Answer:
They prevent the formation of the phospholipid bilayer
Explanation:
The statement from above which does not describe an antibiotic mechanism of action, thus enabling the antibiotic to kill bacteria is:
It prevent the formation of phospholipid bilayer.
The correct answer choice is option a
Generally, antibiotics are usually administered and prescribed by healthcare professionals for health conditions caused by bacteria.
BacteriaBacteria are microscopic and unicellular organisms which belong to the group of organisms known as Monerans.
They can found on air, in water, in the soil and also even inside living organisms.
However, bacteria are also the causative agents or pathogenic microorganisms of some diseases.
Also, antibiotics are usually administered and prescribed by healthcare professionals for health conditions caused by bacteria.
Some few characteristics of bacteria are:
They are unicellular organismsThey are microscopicThey are either saprophytes or parasitesThey exhibit as- e- x - ual reproductionComplete question:Which statement does not describe an antibiotic mechanism of action, thus enabling the antibiotic to kill bacteria?
a. It prevent the formation of phospholipid bilayer
b. Inhibition of Cell Wall Synthesis.
c. Alteration of Cell Membranes.
d. Inhibition of Nucleic Acid Synthesis
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If the amount of urine produced were different in the two conditions, how would that affect your calculation? Explain.
Yes, the ratio's value will alter if the amounts of urine production are not equal. If the blood osmolarity is higher than the urine osmolality, then the blood contains more solutes than the urine does, and vice versa.
What is Osmotic homeostasis?Weather and temperature have an impact on osmotic homeostasis. When osmoregulation occurs, the amount of salt and water in the blood is kept at a constant level.
Osmoregulation is essential for preserving the concentrations balance (both inside and outside of the cell).
How would it change your computation if the amount of pee generated under the two circumstances varied?Because the blood contains an excessive amount of water or fluid, increased urine production can lower the osmolality of urine. Urine osmolality will rise as the body becomes dehydrated or has less fluid intake.
Antidiuretic hormone will be produced by the body in response to higher urine osmolality. The presence of Addison disease and other disorders may be indicated by urine osmolality readings that are higher than the normal value.
Therefore, it also influences the computations if the environment and urine production are different.
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Wei is experimenting with using gene therapy to silence cancer genes. he hopes to at some point use his discoveries to treat human patients. which model organism should wei use?
The model organism that Wei should use to test the discovery of the experiment of using gene therapy to silence cancer genes is: Mus musculus.
Gene therapy is the technique that involves the treatment of disorders and diseases on the genetic level. It involves the correction of the faulty genes either by addition, substitution or any other possible method. Gene therapy is used to treat various inherited diseases.
Mus musculus is commonly known as the house mice. It is the most widely used model organism for testing various drugs and other experiments that are especially implemented for human benefits. It is the most used model organism because its almost 85 % genome matches with that of the humans.
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A white rabbit with dark ears sitting in the snow. during the winter, this species of hare has white fur, but in the summer, it has brown fur. what environmental change may have led to this hare's fur color? drought snow cover asteroid impact global warming
Answer:
The environmental change that may have led to this hare's fur coloration is snow cover.
Answer:
b
Explanation:
edge 2023
Nucleotides are the building blocks for
a.fats
b.proteins
c. nucleic acids
d.carbohydrates
An enzyme that is catalyzing a reaction at the maximum rate is said to be ______.
An enzyme that is catalyzing a reaction at the maximum rate is said to be saturated.
An enzyme can be described as a biological catalyst that speeds up a reaction. Optimal conditions should be provided to an enzyme in order for it to work best.
The enzymes have a specific site, known as the active site, where a substrate fits in order to speed up a reaction.
As we keep on increasing the concentration of a substrate, more and more active sites of that particular enzyme get filled. At this point, the catalysis activity is at the maximum rate as there are no more active sites left. At this stage, we say that the enzyme is saturated. The rate of a reaction will be maximum when an enzyme is saturated.
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In what way does one activity described for prostaglandins resemble that of a pheromone?
The correct answer is Prostaglandins in semen that induce contractions in the uterus are aiding reproduction as signaling molecules that are transferred from one individual to another of the same species, like pheromones.
A class of lipids called prostaglandins is produced at the sites of injury or infection and is used to treat both disease and injury. They regulate functions like blood flow, blood clot formation, inflammation, and labor induction. Resources for Hormones Glossary of All Hormones.
The production of the inflammatory response is significantly influenced by prostaglandins. Their synthesis is noticeably increased in inflamed tissue, where they contribute to the emergence of the basic symptoms of acute inflammation.
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Unrelated males are most likely to be found in what sort of coalition? in other words, unrelated males have the best chance of a fitness benefit in which type of coalition?
Unrelated males are most likely to be found in a kinship sort of coalition.
Kinship coalition does not describe aptitude benefit because it suggests that this man has both parents and has received their traits from them. It is the connection between adopter and adopted, as well as between persons who are descended from the same trunk or from other trunks.
With this knowledge, we can draw the conclusion that Men without kin are unlikely to be discovered because, according to the definition of kinship, a man is considered to be kin if he has a father and a mother and has inherited their traits; therefore, kinship does not necessarily define an advantage in terms of aptitude.
Male reproductive coalitions are best understood as a particular instance of cooperative competition within the context of traditional male-male conflict.
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How does the shape of red blood cells best represent the relationship between structure and function? long, armlike extensions let blood cells transfer oxygen to the body. long, armlike extensions let blood cells transfer oxygen to the body. being expandable allows red blood cells to hold more oxygen. being expandable allows red blood cells to hold more oxygen. the round shape helps encourage clotting by plugging up vessels. the round shape helps encourage clotting by plugging up vessels. the smooth disc shape lets cells flow smoothly through veins and arteries.
Answer:
D
Explanation:
If any of the traits that mendel worked with were linked genes, his dihybrid crosses would have?
If any of the traits that Mendel worked with were linked genes, his dihybrid crosses would have NOT yielded the phenotypic ratio 9:3:3:1.
What are linked genes?Linked genes are genes found in the same chromosomes, which produce a distortion of the law of segregation proposed by Mendel due they may be inherited as a unit.
In conclusion, If any of the traits that Mendel worked with were linked genes, his dihybrid crosses would have NOT yielded the phenotypic ratio 9:3:3:1.
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The contraction of muscle cells requires the chemical breakdown of atp into adp, which releases energy for the cell. what type of molecule lowers the activation energy required to start the breakdown of atp
Catalysts molecule lowers the activation energy required to start the breakdown of ATP.
Activation energy is the minimum quantity of strength that want to be supplied for compounds to result in a chemical response. The activation power of a reaction is measured in joules consistent with mole, kilojoules per mole or kilocalories consistent with mole. The deliver of activation strength is generally warmth, with reactant molecules soaking up thermal power from their surroundings.
Activation energy is the minimal strength required to motive a response to occur. To apprehend activation energy, we have to first don't forget how a chemical response takes place. everyone who has ever lit a hearth ought to have an intuitive know-how of the gadget, despite the fact that they have got now not linked it to chemistry.
The feature of activation energy in a chemical reaction is to start the response by means of using arranging the reactants appropriately and breaking their cutting-edge bonds. Activation energy is the strength had to begin a reaction and is needed in all chemical reactions.
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How do the processes of
light-dependent and light-
independent reactions
helpthe cell conserve
energy and matter?
Answer:
Explanation:
The manner in which processes of light-dependent and light-independent reactions is it helps the cell to conserve both energy and matter is that the outputs of one reaction are used as the inputs of the other reaction.
Donald macleod of princeton theological seminary tells his seminarians that the maximum time for an effective sermon is?
Donald Macleod of Princeton theological seminary tells his seminarians that the maximum time for an effective sermon is 18 minutes.
Theology is the systematic observe of the character of the divine and, more substantially, of non secular belief. it is taught as an academic situation, generally in universities and seminaries. An instance of theology is the have a look at of God. An organized approach of interpreting non secular works and beliefs into practical shape. The have a look at of God, or a god, or gods, and the truthfulness of religion in widely known.
Theological research is lots more than the examine of a holy text similar to the Bible or the Quran. it's far the systematic have a examine of traditions, observation, and ideas of a specific religion's divine and religious truths. areas of focus may also moreover encompass.
Theology offers the opportunity to attention on the Christian faith in element, through the check of the Bible, the records of Christianity, its key thinkers and its influence on ethical debates and the moves of its believers.
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The surface indentation that separates the atria from the ventricles is known as the?
Atrioventricular septum is the surface indentation that separates the atria from the ventricles.
What is an atrioventricular septum?The interatrial and interventricular septal cross the atrioventricular annular plane and merge with the septum tricuspid and anterior mitral leaflet attachment at the septal atrioventricular junction, which is a critical region of the heart.
The tricuspid and mitral valves seem cruciate on a four-chamber view when both septa are converging, earning the term crux of the heart, cardiac crux, or crux cordis.
The atrioventricular septum, a septal component dividing the atria from the left ventricle, is a distinctive anatomic characteristic of the atrioventricular junction.
Therefore, the atrioventricular septum is the indentation that separates the atria from the ventricles.
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ding information regarding the endocannabinoid system (ecs) and endocannabinoid deficiency syndrome.
ECS has helped in the discovery of many cannabinergic, canned, cannabimimetic drugs.
ECS is the Endocannabinoid System whose main function is to maintain homeostasis i.e. condition of a balanced internal condition. Along with this it also maintains physiological activities such as pain, emotional behavior, pain, anxiety, pregnancy, learning, and memory. It also takes part in cancer and other neurodegenerative disease cases.
The help of ECS genetic manipulation has led to the discovery of many drugs and medicines. Many cannabinergic, canned, cannabimimetic drugs have developed that either inhibit metabolic pathways or antagonize the ECSs receptors and modulate ECS.
All these activities may prove to be beneficial in treating several diseases.
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The nucleophile of the first step of spliceosome-mediated pre-mrna splicing is the?
The nucleophile of the first step of the spliceosome-mediated pre-mRNA splicing is the: A. 2' hydroxyl of the branch to point adenosine.
The spliceosome is the large RNA-protein that complex that catalyses the removal of the introns from the nuclear pre-mRNA. A wide range of the biochemical and the genetical studies shows that the spliceosome was comprises three major form of RNA-protein subunits, the U1, U2 and [U4/U6. Most of the splicing occurs in between the exons on the single the RNA transcript, but they occasionally trans-splicing occurs, in which the exons on the different pre-mRNAs are they ligated together. The splicing is process that occurs in the cellular machines called as spliceosomes, in which the snRNPs are to be found along with additional proteins.
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They eat and drink out of vessels of earth or glass, which make an agreeable appearance, though formed of brittle materials; while they make their chamber-pots and close-stools of gold and silver, and that not only in their public halls but in their private houses. of the same metals they likewise make chains and fetters for their slaves, to some of which, as a badge of infamy, they hang an earring of gold, and make others wear a chain or a coronet of the same metal; and thus they take care by all possible means to render gold and silver of no esteem . . . â€"utopia, thomas more which details develop the central idea by giving examples of ways the utopians make gold and silver less valuable? check all that apply. the utopians drink from glass cups. the utopians make chamber-pots out of gold. the utopians have public halls and private houses the utopians use gold to chain enslaved people. the utopians work hard to make gold and silver seem less valuable.
Answer:
B, and D
The Utopians make chamber-pots out of gold.
The Utopians use gold to chain enslaved people.
Explanation:
Answer:xB and D: The Utopians make chamber-pots out of gold.The Utopians use gold to chain enslaved people.
Explanation:I hope it helps 2023
Although pus is often seen simply as a sign of infection, it is also an indicator of immune defenses in action. Explain.
Pus shows an active and at least partially successful inflammatory response against invasive pathogens since pus contains WBCs, fluid, and cell debris.
What causes inflammatory?Pathogenic microorganisms, such as bacteria, viruses, or fungi. Effects of chemicals or radiation. External injuries such as scratches or injury from external objects (such as a thorn in your finger).
What are the most prevalent inflammatory diseases?A few prevalent inflammatory illnessesFat in the liver. Poor diet, which can produce an inflammatory response, can lead to fatty liver disease.Endometriosis.Diabetes mellitus type 2Diabetes mellitus type 1IBD, or inflammatory bowel diseaseAsthma.Arthritis rheumatica.Obesity.To know more about Inflammatory visit:
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Sensory input from muscles and organs are sent to ____ whereas sensation one gets from holding a cup of hot coffee is sent to _____.
Sensory input from muscles and organs are sent to cerebellum whereas sensation one gets from holding a cup of hot coffee is sent to somatosensory cortex.
The brain is a complex organ that has various important roles to play in the maintenance of the body. One such role is to identify a stimulus and generate a response.
The cerebellum is the part of the brain that is involved in muscle control, ocular reflexes, motor coordination, maintaining balance etc. Hence, sensory input from muscles and organs will be sent to the cerebellum part of the brain.
As the name suggests, the somatosensory cortex part of the brain is the region that is involved in the maintenance of sensory information. As holding a cup requires touching sensations hence somatosensory cortex part of the brain will be involved in such an action.
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When an action potential reaches a nerve terminal, what type of voltage-gated channels are opened and result in the fusion of synaptic vesicles with the cell membrane?
When an action potential reaches a nerve terminal Ca 2+-channels open and result in the fusion of synaptic vesicles with the cell membrane.
What happens when an action potential reaches the nerve terminal ?Neurons communicate with one another via synapses. When an action potential reaches the presynaptic terminal, neurotransmitter is released from the neuron into the synaptic cleft, which is a gap of 20-40nm between the presynaptic axon terminal and the postsynaptic dendrite (often a spine).
Why do voltage-gated potassium channels open?K+ efflux is supported by voltage-gated potassium channels (KV), which open in response to membrane depolarization.
What happens to voltage-gated sodium channels at threshold?Depolarization opens more voltage-gated sodium channels at the threshold. This allows additional sodium to enter the cell, causing it to depolarize further and open even more voltage-gated sodium channels. This positive feedback loop causes the action potential to rise.
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The process by which continuous exposure to a stimulus affects the comprehension of and response to the stimulus is known as _____.
The process by which continuous exposure to a stimulus affects the comprehension of and response to the stimulus is known as habituation.
What is a stimulus?A stimulus is a factor, substance or event which produces a response in an organ or tissue or even cell of living organisms.
Stimulus are received by specialized receptors present in cells which then send the stimulus to he brain for processing resulting in a response to the stimulus.
Continuous exposure to a stimulus will affects the comprehension of and response to the stimulus. This phenomenon is known as habituation.
In conclusion, the response of the body to stimulus can be affected by the frequency of exposure to the stimulus.
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estimating the probability of illness due to swimming in recreational water with a mixture of human- and gull-associated microbial source tracking markers
Numerous sources of feces frequently pollute beaches. Raw and processed wastewater from humans and wildlife, such seagulls, are examples of animal sources.
Different sources of pollution are expected to pose different health risks to swimmers. Genetic Microbial Source Tracking (MST) markers can be used to detect bacteria associated with various animal sources, but the health risks associated with admixture of MST markers are unknown. In this study, we show how to predict these health risks using markers associated with humans and seagulls as examples. A quantitative microbial risk assessment (QMRA) is performed using MST markers as indicators. We find that the risks associated with exposure to specific concentrations of human-associated MST (HF) markers are greater when the HF sources are raw and untreated wastewater. We also found a risk-based threshold for HF from untreated beach wastewater to fall below his predicted disease risk of 3 per 100 swimmers, a function of seagull-associated MST marker (CAT) concentration. It also provides values.
However, using a combination of human- and gull-associated microbial source tracking markers to calculate the likelihood of sickness brought on by swimming in recreational water.
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Differentiation requires __________ of particular genes to produce cell populations with __________ capabilities that form tissues.
Differentiation requires inactivation of particular genes to produce cell populations with limited capabilities that form tissues.
Differentiation is the process by which the stem cells that are dividing to form new cells become specialized to perform a particular function assigned to them.
It is important to produce the different variety of cells that are required for the functioning of the body.
Inactivation is a condition in which certain genes are shut down during embryo development so that the cells differentiates into a particular type of cell. It enables the developing cell to get accommodated with functioning of only certain types of proteins.
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Learning is defined as a change in behavior as a result of experience. In a short essay (100-150 words), describe the role of heritable information in the acquisition of learning, using some examples from imprinting and associative learning.
Learning is the process by which an organism's experience results in a behavioral adaptation.
Behavior of the organism is the environmental component that causes specific alteration.The structure of the nervous system makes learning possible, and each creature has a unique capacity for learning. Imprinting is a sort of learning that fosters species identification. For instance, after hatching, ducks or geese start the process of imprinting. They observe their mother to learn how to swim and get food. It can be learned or it might be innate.A sensitive period is the time when an organism is being imprinted by its adults. But some habits are ingrained; children inherit them from their parents.The kind of learning that comes through experience is known as associative learning. It is not passed on from parents. Associative learning includes, for instance, learning to ride a bike. Bicycle riding skills are not handed down to the next generation.Similar to this, if someone develops an allergy to a certain food, they may come to identify that food with allergies and stop eating it.Every person engages in associative learning on a regular basis when they interact with their environment. The ability to learn, however, may vary amongst species.Learn more about the Associative learning with the help of the given link:
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In some animals, females select males as mates based on their ability to ward off infection as indicated by traits that the males possess. This is an example of ________.
In some animals, females select males as mates based on their ability to ward off infection as indicated by traits that the males possess. This is an example of honest signaling.
When females select males as mates based on their ability to ward off infection as indicated by traits that the male possess is considered signaling. Signaling theory is a corpus of theoretical work that studies communication between individuals, both within and between species, in evolutionary biology.
The key question is whether creatures with competing interests, such as those involved in sexual selection, can be expected to give honest signals instead of deceiving. Mathematical models explain how signaling might support an evolutionary approach that is stable.
Signals are delivered in situations like mate choice by females, which puts selective pressure on the signals of the advertising males. Signals change the behavior of the receiver in favor of the signaller, which causes them to develop. Signals can be honest, providing information that helps the recipient become more fit, or they might be dishonest. A person can lie by sending a deceptive signal.
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One study of 781 men and women age 21 found a clear relationship between elevated blood levels of ________ (which correspond to lower brain levels of the chemical) and violence in men.
One study of 781 men and women age 21 found a clear relationship between elevated blood levels of serotonin (which correspond to lower brain levels of the chemical) and violence in men.
Serotonin is a chemical works as a messenger between the body and the brain. It has an important role in the functions like digestion, sleep, mood, wound healing, blood clotting, nausea and sexual desire.
It is also said to be associated with top to bottom neurobiological cycles associated with aggression. Individuals with elevated level of serotonin in the blood are said to be more prone to aggression and violence in men.
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Mice that experience stress such as a food shortage will sometimes abandon their young. Explain how this behavior might have evolved in the context of reproductive trade-offs and life history.
The animal's fitness may increase if it abandons its current young and survives to generate healthier young at a later time if a parent's survival is significantly damaged by having young during stressful circumstances.
Reproductive trade-offs :A condition known as an evolutionary trade-off occurs when evolution is unable to advance one component of a biological system without causing suffering to a different component.
Given the restricted quantity of resources available, a biological trade-off is typically thought of as a situation where an increase in the performance of one attribute results in a loss in the performance of another (energy, time, space, etc. )
Why does evolutionary trade-off happen ?When organisms develop adapted features for one purpose while doing less well in an unselected trait, genetic trade-offs emerge. Our research demonstrates that under different kinds of selection pressures, viruses frequently suffer evolutionary trade-offs.
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What is the dependent and independent variable of children who learn to read before kindergarten more likely to attend college after high school
Dependent variable – children who will attend college after high school
Independent variable – children who learn to read before kindergarten
A variable might be the cause of a change in another variable, or it can be the force that produces the change. In experiments, these are referred to as dependent and independent variables, respectively.
Analytical health research frequently uses two distinct types of variables. It is anticipated that independent variables will have an impact on dependent variables. The term dependent variable refers to what happens as an outcome of the independent variable.
The definition is where dependent and independent variables diverge most.
In research, independent variables can be changed or controlled to observe how they affect other variables.
Other factors affect the dependent variable. It is the variable being measured or tested by the researcher.
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Person who proposed evolution as a scientific theory was
Answer:
Charles Darwin
Explanation:
Answer:The answer is Charles Darwin
Explanation:Please give brainliest if right.
An action potential is an all-or-none event. This on/off signaling is an evolutionary adaptation of animals that must sense and act in a complex environment. It is possible to imagine a nervous system in which the action potentials are graded, with the amplitude depending on the size of the stimulus. What evolutionary advantage might on/off signaling have over a graded (continuously variable) kind of signaling?
The action potential is produced and the nerve impulse propagates to the following neuron if the membrane potential surpasses the threshold level.
What is evolutionary advantage might on/off signaling?Action potential or nerve impulse generation is an all or nothing reaction in this. The interior of the nerve cell is negatively charged.
The cell is polarized, and there are significant amounts of due positive ions present when the cell is at rest.
If the stimulus falls short of the threshold, the membrane potential levels off, and no impulse is produced.
If the stimulus falls short of the threshold, the membrane potential levels off, and no impulse is produced.
Therefore, evolutionary advantage might on/off signaling have over a graded (continuously variable) kind of signaling.
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The slopes of the flying and swimming lines are very similar. Based on your answer to question 2 , if the energy cost of a 2 -g swimming animal is 1.2 cal/ kg . m , what is the estimated energy cost of a 2-kg swimming animal?
Estimated energy cost of a 2-kg swimming animal will be 1200cal/kg
Estimated cost = 1.2cal/ kg x 2 kg/2 -g
Estimated cost = 1200cal/kg
What Energy is used in swimming ?Potential energy is present in the muscles that will propel you ahead at the beginning, and kinetic energy is present in your movement through the water. You eventually come to a stop as the water uses up all the energy. Heat is created by the energy.
The occurrence of many mechanisms for energy recycling in the muscle cells during exercise underlies the significance of energy zones in swimming. Non-aerobic metabolism (creatine phosphate), anaerobic metabolism (anaerobic glycolysis), and aerobic metabolism are the three basic mechanisms for energy recycling.Learn more about Swimming here:
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