In order to enzymatically digest lipid molecules, the digestive process first breaks those huge droplets of fat into smaller droplets using lipases, an enzyme.
What specific enzymes are involved in the breakdown of lipids?Enzymes known as lipases are present in pancreatic juice (enzymes that break down lipids). Lipases have relatively limited surface area to work with when the lipid in the chyme clumps into big globules, rendering lipid digestion ineffective.
Which enzyme, according to this quizlet, digests lipids most frequently?Triglyceride digestion takes place mostly in the small intestine, where bile and pancreatic lipase work to break down the fats into forms that may be absorbed.
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Bees use a combination of visual and chemical cues within flowers to locate those same flowers that contain nectar. All BUT ONE choice is a cue that aid bees in finding food.
A waggle dancewaggle dance
B floral scentsfloral scents
C nectar guidesnectar guides
D nectaries
The option that will not help the bees to find food will be the floral scents, so the correct option is B.
What is the function of the floral scents?Sometimes the floral scent will help to be olfactory signals for pollinators, but this can also disorient the bees due to the aromas that can be changeable in the flowers, such as when the plant may lack water and stress it, making it defensive, altering its scent.
This can then upset the bees and disorient them as to where they need to go to pollinate.
Therefore, we can confirm that the correct option is B. floral scents.
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during what phase are chromatids stretched back out as chromatin
During Telophase chromatids are stretched back out as chromatin
What is Telophase ?The fifth and final stage of mitosis, known as telophase, is the division of the duplicated genetic material contained in a parent cell's nucleus into two identical daughter cells. Once the duplicated, paired chromosomes have been moved to the cell's poles or opposing sides, or segregated, telophase has begun.
In order to relax once more into a stretched-out chromatin structure, the chromosomes approach the opposing poles and start to decondense (unravel).New nuclear membranes envelop both sets of chromatids during telophase, and the chromosomes decondense into chromatin. Telophase is followed by cytokinesis, which involves the division of the cell's cytoplasm into two.Learn more about Telophase here:
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what does the term biogenesis mean?what does the term biogenesis mean?formation of self-replicating moleculesformation of life from nonliving chemicalsformation of life from preexisting cellsformation of chemicals from organic monomers
In contrast to the theory of spontaneous generation, which states that living things evolved from nonliving matter, biogenesis explains how living organisms evolved from other living organisms.
One of this theory's strengths is that it is well supported by other studies. Biogenesis refers to all living things that originate from other living things. This gave birth to the cell, cell theory, and theories about the origin of life. Louis Pasteur proposed the Biogenesis theory. Life, according to the theory, arises from pre-existing life. The theory of biogenesis holds that living things can only come from other living things. Rudolf Virchow proposed it in 1858 as a counter-hypothesis to spontaneous generation. Prior to Virchow, it was widely assumed that microorganisms appeared by chance.
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Explain the difference between a law and a theory.
Answer:
Explanation:
Law and theory are two terms that are often used in context of scientific terminology. The main difference between a law and a theory is that a theory tries to explain the reasoning behind something that occurs in nature, whereas scientific laws are just descriptive accounts of how something occurs in nature.
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Which is true of all marine ecosystems?
Answer:
Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean.
Explanation:
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If I feel sick but haven’t thrown up and have ate and still feel sick am I actually sick?
Answer:
If you feel sick, I recommend just lying down on your bed for a few hours, it has always helped me. My mom always had me lie down on my bed like all day it seemed, and just relax and watch television, and even though I didn't want to go to bed, it really helped. I thank my mom for helping me. So, I highly recommend doing that if you feel sick. And, you should see if you have a thermometer to use to see how hot you are. If you are exceeding 99.8 degrees, that means you are most likely ill, and should lie down. But, if below that, you should be fine. But, if you still feel ill, just do what I suggested. It really helps.
Explanation:
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How is meiosis similar to mitosis?
Both produce two daughter cells.
Both occur in somatic cells.
Both involve two divisions of a cell.
Both are forms of cell reproduction.
Answer:
both are forms of cell reproduction
Explanation:
meiosis makes 4 unidentical daughter cells
mitosis makes 2 identical daughter cells
not A
somatic only occurs in mitosis, not meiosis
not B
mitosis makes body cells, meiosis makes sperm and egg cells, both a type of cell division but mitosis does it only once, meiosis has two divisions or does it twice.
not C
meiosis is sexual reproduction
mitosis is asexual reproduction
both forms of cell reproduction therefore,
it's D :)
(can go more indepth if needed)
In which direction does heat always flow
protein shape is crucial to its proper function. students have difficulty grasping this idea and how the specific sequence of amino acids determines the shape and how that, in turn, affects protein function. as an example, sickle cell disease is a lethal disorder caused by just a single amino acid change in the primary structure of the protein hemoglobin. briefly explain how the words tasty and nasty can serve as a good analogy for a teacher trying to explain this concept to students.
The words tasty and nasty serve a good analogy for explaining the concept or protein shape and its essentiality for the function. This is because the word tasty creates image of some delicious food in the mind. However, replacing just one letter 't' from the word with 'n' changes the entire meaning and depiction. This is how the primary structure of proteins functions. Change in a single amino acid can change the complete primary sequence.
Amino acids are the organic molecules that are essential for protein formation in the living organisms. The basic structure of amino acids i s composed of a amino group, a carboxylic group, a hydrogen atom and a variable R group all attached to the alpha carbon atom.
Primary structure of proteins is composed of a linear chain of sequence of amino acids all boned together by peptide bonds. The primary structure sequence is very crucial for the structure and function of the protein.
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what is the general term used to describe the viral component that binds to a host cell for attachment?
Viral receptors are the general term used to describe the viral component that binds to a host cell for attachment purposes.
When referring to a particular molecule or structure that aids in viral attachment on the surface of host cells, the word "receptor" should be used. The molecule(s) on the surface of the virus that binds to the receptor is referred to as "ligands." The term "viral envelope" refers to the structure that surrounds the capsid of certain viruses. All viruses use a specific type of glycoprotein to bind to viral receptors on their host cells, which are cellular molecules.
Once a virus has attached itself to and entered the host cell by breaking through the cell wall or membrane, viral replication can start. The protein covering the viral genome is removed, and the viral genome is then injected into the host cell.
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An occult blood test is a fecal test to determine gastrointestinal ______________ that is not visible.
Though not all tumours or polyps bleed, occult blood in the stool may be an indication of colon cancer or polyps in the colon or rectum.
What is occult gastric blood?A quick screening test called Gastroccult is intended to find hidden blood in gastric aspirate or vomitus. Doctors can diagnose and treat a variety of disorders, including gastrointestinal secretions, hernatemosis, and abnormal stomach acid, with the help of gastric content analysis.
What is the most frequent source of occult blood in stools?Some of the more common causes are small bowel tumours, esophagitis, peptic ulcers, gastritis, inflammatory bowel disease, vascular ectasias, portal hypertensive gastropathy, and colon cancer.
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Where do human cells get most of the energy they need for metabolism?
Answer:
As we have just seen, cells require a constant supply of energy to generate and maintain the biological order that keeps them alive. This energy is derived from the chemical bond energy in food molecules, which thereby serve as fuel for cells.
Explanation:
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is movement of carbon from the atmosphere to living things decreased
Answer:
Yes
Explanation:
it is because of the atmosphere goes up the carbon decreases to living things. a living thing cannot go up 50,000 ft and have no carbon movement. in some spots the animals run out of carbon such as sand dunes ( on top ) so the answer is yes
which of the following is unique to cardiac muscle cells? only cardiac muscle contains a sarcoplasmic reticulum. only cardiac muscle has gap junctions. only cardiac muscle is capable of autorhythmicity only cardiac muscle has a high concentration of mitochondria.
Only cardiac muscle cells shows autorhythmicity The unique feature of cardiac muscle cells is autorhythmicity .
Cardiac muscle cells (cardiomyocytes) are striated, branched, have a large number of mitochondria, and are controlled involuntarily.
Specialized cardiac muscle cells known as autorhythmic cells are where action potentials (electrical impulses) in the heart are thought to begin. These cells have the capacity to self-excite and produce an action potential without external nerve cell activation. The autorhythmic cells offer a conduction system to coordinate the contraction of muscle cells throughout the heart and act as a pacemaker to start the cardiac cycle (the heart's pumping cycle).
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in the uvr excision repair system in e. coli, which enzyme routinely synthesizes dna to replace the excised strand?
DNA polymerase I an enzyme routinely synthesizes DNA to replace the excised strand.
An enzyme called DNA polymerase to takes a role in the replication of bacterial DNA. It was the first known DNA polymerase, and Arthur Kornberg discovered it in 1956. It was first identified in E. coli and is found in all prokaryotes.
During lagging-strand synthesis, DNA polymerase I (pol I) processes RNA primers and fills up tiny gaps during DNA repair events. By extending the 3′ ends of an existing nucleotide chain and adding new nucleotides that are identical to the template strand one at a time using the formation of phosphodiester bonds, DNA polymerase adds a new strand of DNA.
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soils of the spodosol order have a distinctive light-colored horizon of leached material beneath the dark upper horizon of weathered organic material. in what region do soils of the spodosol order occur?
The region where the soils of Spodosol order are present are: coniferous forests of cool temperate or wetter regions.
Spodosol are the acidic soils. Their appearance is a little ashy and gray. The subsurface of these soils has the accumulation of humus, Al and Fe oxides. The soil is found in cool and moist type of climates. Their pH ranges from around 4.5 to 5.5.
Coniferous forests are a biome of terrestrial habitat. These habitats have warm summers and cool winters. The trees rich in coniferous forests are called conifers that have needle like leaves. They also do not have flowers but have conifers. Coniferous forests are generally evergreen.
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B cells have antigen receptors that bind to antigens that are either freely dissolved or present on the surface of invading/foreign cells. T cells have antigen receptors that.
T cells have antigen receptors that: bind to antigen fragments presented on major histocompatibility complexes by host cells.
T cells are a type of lymphocytes. They are an essential component of immune cells and are of two types: Helper T cells and Cytotoxic T cells. The helper cells help in the activation of other immune cells like B cells to fight against infection, while the cytotoxic cells directly kill the foreign invaders.
Major Histocompatibility Complexes are the genes that encode for proteins that help in the presentation of foreign antigens onto the surface of infected cells so that they can be recognized by immune cells. They are present in all of the higher vertebrate animals.
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what would be the effect of swapping the dna-binding domain of a eukaryotic activator with a different dna-binding domain? multiple choice question.
The activator's ability to activate a target promoter is unaffected by the replacement of the DNA binding domain, which just changes the site at which it will function.
An activator protein binds to something, but what happens after it binds?The DNA regulatory sites close to the promoter regions, which function as on/off switches, are where activator proteins interact. This binding promotes the activity of the RNA polymerase and the transcription of adjacent genes.
How do activator proteins function in eukaryotic cells?Gene expression in a eukaryotic cell must be activated by transcriptional activators. RNA polymerase II can be drawn to the promoter or extended with the help of activators attached to the enhancer.
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which antibody isotype to antigen can inhibit naive b lymphocyte activation of pre existing (already present)?
IgG antibody isotype to antigen can inhibit naive b lymphocyte activation of pre existing (already present).
What is Antibody ?Proteins called antibodies defend you when your body comes into contact with an unwelcome chemical. Antibodies, which are made by your plasma, bind to these foreign substances and drive them out of your body.
Immunoglobulin is another name for an antibody.
Antigens have molecules on their surfaces that are different from those your body naturally produces. Therefore, as soon as an antigen enters your body, your immune system immediately recognises it. Your immune system requests antibody defence in order to combat this antigen invader.
The B cell produces antibodies (specialized white blood cells). A B cell multiplies and clones when it comes into touch with an antigen. These plasma cells, also known as cloned B cells, unleash countless amounts of antibodies into your lymphatic and blood systems.
Your body has antibodies in a number of places, including your skin, lungs, tears, saliva, and even breast milk. In actuality, colostrum contains significant amounts of antibodies. Because of this, breast- or chest-feeding can strengthen your baby's immune system.
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When a pacific sea horse’s body loses water to its environment, which process is responsible?.
A Pacific sea horse’s body loses water to its environment, through the osmosis process. Thus the correct answer is option (D).
While the sea is hypertonic, the cell is hypotonic.
The solute concentration in the hypertonic solution is higher than that of the cell's interior.
Osmosis is the process that happens when two dilutions of different concentrations are separated by a semipermeable membrane, such as the interior of a cell and salt water.
Water can travel across the membrane, but not a solute. Water can thus go from the side that is most diluted (the cell) to the side that is less diluted (the sea).
When the concentrations on both sides are identical, water has a tendency to go from the hypotonic solution to the hypertonic one.
Thus a Pacific sea horse’s body loses water to its environment, through the osmosis process.
The complete question is:
Read the paragraph.
Despite its name, the Pacific sea horse is actually a type of fish. Its horse-shaped head gives it its name. This creature lives in the Pacific waters off the west coast of the Americas, from Peru to Southern California. Like many other ocean fish, sea horses face the constant challenge of losing water to their saltier environment.
When a Pacific sea horse’s body loses water to its environment, which process is responsible?
(A). endocytosis
(B). exocytosis
(C). active transport
(D). osmosis
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Are Africanized honey bees a direct or indirect threat? Why?
Alien bee genus aid in pollination, but the Africanized honey bee is a danger to human health.
What are Africanized honey bees?The African honey bee is of native to most of the central and southern parts of Africa. Its sting is no more menacing than other bees, but it is unusual. It is much more aggressive as compared to other bees, with a propensity to pursue and send many attackers after any perceived threat. Africanized honey Bees are killer bees that are very dangerous because they attack intruders in much greater as compared than European Honey Bees. In Brazil, they have killed some 1,000 humans with victims receiving ten times as compared to the European bees.
So we can conclude that Honeybees help provides us with most of the food we eat, either straightly by pollinating food crops or indirectly by pollinating food sources consumed by domestic.
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xhegg which phase of the action potential would be most affected by poisoning of the sodium-potassium atpase?
When the sodium-potassium at phase is poisoned, the action potential's rising phase is most likely to be impacted.
What impact does action potential have on sodium-potassium pump?The action potential created by nerve cells is significantly influenced by the sodium-potassium pump. The reason this pump is known as a P-type ion pump is that the ATP interactions phosphorylate the transport protein, changing its shape.
Why do potassium channels block affect the action potential?Action potentials are terminated, hyperpolarization occurs, and excitability decreases as a result of activation, which also increases conductance. When the channels are blocked, on the other hand, depolarization, prolonged action potentials, repetitive firing, and increases in transmitter release and endocrine activity result.
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Which of the following is not one of the media plates you will be using?
O THR-
O LEU-
O HIS-
OURA-
The one which is not the media plates you will be using is Val-Ser-Thr-Val and Val-Ser-Asp-Met. Thus, option A is correct.
Whom the organisms Val-Ser-Thr-Val" and "Val-Ser-Asp-Met" are associated with?The organisms "Val-Ser-Thr-Val" and "Val-Ser-Asp-Met" are most likely and closely associated and the reason behind this association is that they share similarities in their structures("Val-Ser") and the charges in their series of chains carried by them.
The term Central Dogma has been defined as the term that refers to the two step process through which information flows from the sequence of DNA into a sequence of RNA (the process of transcription) and finally takes the form of proteins (the process of translation).
Therefore, The one which is not the media plates you will be using is Val-Ser-Thr-Val and Val-Ser-Asp-Met. Thus, option A is correct.
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causes of atherosclerosis include: group of answer choices plaques. stiffening of the arteries. twisted arteries. all of these are correct.
These are all accurate.
Is there a cure for atherosclerosis?Plaque fragments that come loose can result in blood clots that can cause a stroke or a heart attack. Atherosclerosis cannot currently be cured, however it can be slowed down by statin medications and dietary modifications.
When does atherosclerosis typically begin?Cardiologist Matthew Sorrentino, MD, a professor at The University of Chicago Medicine, says that atherosclerosis typically begins in the teen and early 20s, and that most people start to see changes by their 30s. Your heart-related tests, such as cholesterol checks, may still provide normal results in the early stages.
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coevolution of plants and insects occur by: group of answer choices either beneficial or antagonistic interactions that result in evolutionary change of both species. involving fungal symbionts in the interaction to cause evolutionary change of both plant and animal species. only insects changing in response to plant evolutionary changes. only plants changing in response to insect evolutionary change
Coevolution of plants and insects occur by : a.)either beneficial or antagonistic interactions that result in evolutionary change of both species.
How does coevolution of plants and insects occur?Many animals such as insects have adapted to feeding only on plants with particular defensive chemistry. If the plants have evolved secondary chemistry to avoid insects and insects evolved to handle the plant's chemistry then plant and insect coevolution has occurred
Many cases of coevolution has been found between plants and the insects. The process of reciprocal evolutionary change that occur between pairs of species or among groups of species as they interact with one another is known as Coevolution.
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Some insects can walk on the surface of water. Their feet push against the surface of the water and the water surface bends down under their weight but does not break. What do the individual water molecules do that makes this possible?
Answer:it is surface tension
Explanation:
where does the diver have the highest amount of potential energy?
A. while at the highest point in the air.
B. After jumping into the water.
C. While standing on the edge of the diving board.
D. After resurfacing from the water.
Answer:
A. while at the highest point in the air
Explanation:
because the diver is at a more higher point. that gives the diver potential energy
1. Any chemical digestion changes __ to___
Any chemical digestion changes nutrients to smaller parts
Chemical digestion break down nutrients such as protein, carbohydrates as well fats into even smaller parts and fast break down into fatty acids and monoglycerides and nucleic acid break down into nucleotides and polysaccharides or carbohydrates sugar, break down into monosaccharides and chemical digestion is also called as mechanical digestion in which involve physically breaking down food substances into the smaller particles to more efficiently undergo chemical digestion and the role of chemical digestion is to further degrade the molecular structure of the ingested compound by digestive enzymes into a form that is absorbable into the bloodstream
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increased lumbar curvature, which compensates for the enlarging uterus in pregnant women, is called what?
Lordosis due to pregnancy is an increase in the lumbar curvature, which compensates for the enlargement of the uterus in pregnant women.
Pregnancy can cause a lot of discomfort. The increased burden due to the weight gain and size of the fetus can cause pain.
Not only that, pregnant women are also at risk of experiencing lordosis. This is a condition in which there is an excessive inward curvature of the lower back.
Lordosis Can Be Caused by Pregnancy
Pregnancy is clearly a risk factor for developing lordosis and other postural changes.
As the uterus grows larger, the body experiences a shift in its center of gravity. This puts a lot of strain on the lower back muscles as they have to compensate for the extra load.
In addition, the growing uterus causes the abdominal muscles to stretch and weaken. This further exacerbates the problem because the abdominal muscles help keep the pelvis in a neutral position.
Ultimately, the imbalance between the abdomen and lower back tilts the pelvis forward creating lordosis.
Lordosis can occur in the late second and early third trimesters of pregnancy. This is when the fetus grows the fastest and the uterus expands rather rapidly.
The larger the pregnancy, the more shifts in the center of gravity are experienced.
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In considering the water quality in and around the U. S. , the EPA analyzes critical chemical and physical states: oxygen, nutrients, pH, salinity, other chemicals and temperature, light, and hydrology including rainfall, flow rates, and sea level. All BUT ONE could be a pressure that results in the changes in chemical and physical states
Wastewater and fertilizer runoff can cause the changes in the EPA analyzes chemical and physical states. So option (c) is the correct answer.
Factors such as temperature, pH, electrochemical potential (redox), and air and water clarity can affect the chemical and physical properties of ecosystems. This is due to activities such as climate change, water pollution and changes in water runoff.
Sewage and fertilizer runoff reduce dissolved oxygen levels in water, affecting biotic communities and circulatory systems, leading to changes in chemical and physical conditions.
An EPA method for the analysis of 16 dissolved and total recoverable elements in a variety of water bodies, sediments, soils and sludges. The EPA method is a widely used performance-based guide for the analysis of 31 trace elements in groundwater, soils, sediments and solid wastes.
Complete question:
In considering the water quality in and around the U. S. , the EPA analyzes critical chemical and physical states: oxygen, nutrients, pH, salinity, other chemicals and temperature, light, and hydrology including rainfall, flow rates, and sea level. All BUT ONE could be a pressure that results in the changes in chemical and physical states
a) changes in sea level
b) water used for cooling purposes
c) wastewater and fertilizer runoff
d)eutrophication of bodies of water
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