Pandas have a particular sort of population distribution known as a uniform distribution, which indicates equal probability for a continuous distribution throughout a certain range.
What does it mean to distribute resources evenly?When referring to a sort or probability distribution in statistics, a uniform distribution is one in which all possible outcomes have an equal likelihood. The probability of getting a heart, club, diamond, or spade is equally likely, hence a deck of cards has uniform distributions within it.
How can one explain the term "uniform distribution"?Since all outcomes have the same probability, the uniform distribution receives its name from this property. A uniform distribution has no mode, unlike with a normal distribution with a center hump or a chi-square distribution. Instead, there is a 50/50 chance that each option will happen.
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At what point on a roller coaster is the gravitational potential energy (GPE) the highest?
A- at the top of the highest drop
B-at the lowest point of the roller coaster
C-at the top of the second hill
D- when the coaster stops
Answer:
A at the top
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give a description of the endosymbiont theory of plastid origin. how many times might chloroplasts have arisen?
Chloroplasts have arisen three times according to the endosymbiont theory.
According to the endosymbiotic theory, some of the organelles in eukaryotic cells of the present day were once prokaryotic microorganisms. The host cell and the endosymbiont each have a set of cell membranes that enclose the chloroplasts that resulted from primary endosymbiosis. When a eukaryotic cell absorbs a cell that has already experienced primary endosymbiosis, secondary endosymbiosis takes place. They surround the chloroplasts with more than two sets of membranes, as in chloroplasts of brown algae. When a eukaryotic cell assimilated another eukaryotic that was the product of an earlier secondary endosymbiosis, this process is known as tertiary endosymbiosis.
Therefore, chloroplast, as well as mitochondria, have occured thrice and are very different from the current prokaryotes like cyanobacteria.
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Enzymes are proteins. Summarize in 2 or 3 paragraphs the structure and functions of proteins in living things. Include the types of chemical bonds and specific information about enzymes.
Enzymes are protein structures that will have the function of catalyzing chemical reactions, that is, they make these chemical reactions faster.
What are enzymes?Chemical reactions can be carried out without the need for these enzymes, but they will not be carried out with the same speed, but will take much longer. In our body the function of enzymes is very important as it helps us maintain a good metabolism within the cell. Almost all biochemical reactions in our body need these reactions so that the rate of formation of substrates to products is correct.
As for their structure, being proteins, they will acquire a three-dimensional conformation which collaborates with their functioning. One of its characteristics is that it has a specific site called the active center in which the substrates are going to join so that they are catalyzed.
Therefore, we can confirm that enzymes are protein structures that will have the function of catalyzing chemical reactions, that is, they make these chemical reactions faster.
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Blood flows from the renal artery into the interlobar arteries then into the ______ arteries, which then branch into the afferent arterioles.
The interlobar arteries are the first places where blood enters after leaving the renal artery.
How do interlobular arteries and veins exchange blood?Afferent arterioles flow into the interlobular arteries that feed into the glomeruli through each arcuate artery. The blood passes through a tiny network of venules that converge into interlobular veins once filtering has taken place.
How do the interlobar veins send blood to the inferior vena cava?Interlobar vessels allow arcuate veins to exit the renal parenchyma and converge into four to six trunks close to the kidney's hilum (Fig. 64.2). The primary renal veins discharge into the inferior vena cava; the left renal vein is three times longer than the right (7.5 cm versus 2.5 cm).
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ecologists, and archaeologists, interested in biodiversity and animal populations, often refer to species richness in particular environments. species richness refers to
Species richness (S) is the number of species within a defined region. It's merely a numerical characteristic of an ecosystem. The species richness of a region is obtained through sampling or via a census.
Because a region is defined by the observer, species richness has been further categorized into three components to account for changes in spatial scale. They are Alpha diversity, Beta diversity and Gamma diversity.
One important thing to keep in mind is the difference between species richness and species diversity. Several factors affect small-scale species richness, including geographic factors such as the regional species pool, dispersal distance and ease of dispersal, biological factors such as competition, facilitation, and predation as well as environmental factors such as resource availability etc.
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Are Africanized honey bees a direct or indirect threat?
Africanized honey bees are Indirect threat.
Honey bees can thrive in herbal or domesticated environments, although they choose to stay in gardens, woodlands, orchards, meadows and different regions where flowering plant life are considerable. Inside their natural habitat, honey bees construct nests inside tree cavities and underneath edges of items to cover themselves from predators.
Bees feed on nectar and pollen amassed by means of foragers — older worker bees with beefy flight muscle tissues. Some foragers gather nectar, which they store in an elastic pouch in the gut called a “honey belly”; others gather pollen grains, packing them in “baskets” on their rear legs.
Queen honey bees stay on average 1–2 years whereas employees stay on average 15–38 days within the summer and one hundred fifty–two hundred days in the iciness.
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significant damage to which of the following parts of the brain will most likely cause a person to fall into a deep coma from which the person will be unable to awaken? responses hypothalamus hypothalamus frontal lobe frontal lobe reticular formation reticular formation amygdala amygdala thalamus
Significant damage to reticular formation of the brain will most likely cause a person to fall into a deep coma from which the person will be unable to awaken.
The reticular formation, a long, slender network of neurons, runs through the medulla and the pons. The reticular formation is crucial for walking, eating, having sex, and sleeping. When an animal's reticular formation is electrically stimulated, it awakens instantly, and when the reticular formation is cut off from higher brain regions, the animal enters a deep coma.
The reticular formation's function is to transport the remaining impulses to different parts of the brain while filtering some of the stimuli entering the brain via the spinal cord. The medulla, the pons, the thalamus, and the reticular formation are all parts of the brain stem, which is an extension of the spinal cord.
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Based on current climate trends, which technological innovation could help solve an environmental issue that is likely to threaten Australia in the future?
A.
Water catchments could help stop overfishing.
B.
Water catchments could help slow climate change.
C.
Using electric cars could help slow climate change.
D.
Using electric cars could help lessen droughts.
The technological advancement that might help Australia overcome its drought problem would be "Catchments for water would slow climate change".
A protracted deficit in a region's water supply is referred to as a drought. Lack of air, surface, or groundwater causes droughts. Therefore, water catchments could help slow climate change" would be the technical advancement that could assist in resolving an environmental problem that is projected to endanger Australia inside the future based on existing climatic trends.
Therefore, the correct answer will be option (B).
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would a chimeric translation system with e coli ribosome small subunit and yeast ribosome large subunit be able to function for protein synthesis? why or why not?
Most ribosomal protein (r-protein) synthesis in Escherichia coli is coordinated with rRNA synthesis via a translational feedback mechanism: when r-protein levels exceed rRNA levels, particular r-proteins bind to their own mRNAs and prevent operon expression.
How does translation bring the ribosome's large and small subunits together?Ribosomal subunits form a sandwich-like structure on the strand of mRNA during translation, where they then draw in tRNA molecules bound to amino acids. The ribosome converts the decoded mRNA sequence into a polypeptide, or new protein, which is composed of a lengthy chain of amino acids.
Which protein in E. coli triggers transcription?More than a hundred genes in Escherichia coli are controlled by the flexible transcriptional regulator known as the cAMP receptor protein, also referred to as the catabolite activator protein.
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during mid-pregnancy, the brain increases about six times in size and develops many new neurons in a process called .
Answer:
During mid-pregnancy, the brain increases about six times in size and develops many new neurons in a process called
neurogenesis
Explanation:
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space between the lungs in the chest: a.trachea b.peritoneum c.pleura d.mediastinum e.bronchial tubes
The space between the lungs in the chest: (c) pleura.
Lungs are the respiratory organs that are involved in the exchange of gases from the body. They are connected to the respiratory tract that mediates the passage of air to and from the outer environment. On the lungs are very small air sacs that increase the surface area of lungs in order to maximize the exchange.
Pleura is actually a thin layer of tissue surrounding the lungs. Its function is to protect the lungs from sudden shock and injury. The cells of pleura also produce a fluid that functions to cushion the lungs.
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which of the following characteristics of the structure of dna was determined directly from x-ray diffraction photographs of crystallized dna? question 7 options: the frequency of a versus t nucleotides the sequence of nucleotides the double helical structure the length of a given dna molecule
The following characteristics of the structure of DNA were determined directly from x-ray diffraction photographs of crystallized DNA is the double helical structure.
Early X-ray diffraction results showed that DNA is composed of two strands of helically twisted polymers. The observation that DNA is double-stranded is significant and provided one of the key clues leading to the Watson-Crick structure of DNA.
Fiber diffraction is a method for determining molecular structural information from X-ray scattering data. Rosalind Franklin used this technique to discover structural information in his DNA. In this experiment, the fiber is placed perpendicular to the trajectory of her X-ray beam. Rosalind Franklin's X-ray diffraction pattern of the DNA molecule provided important evidence that DNA has a double-helical structure.
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the rapid depolarization phase of the action potentials of myocardial contractile cells is due to which ion(s)?
The rapid depolarization phase of the action potentials of myocardial contractile cells is due to Na⁺ ion.
The depolarization is caused when Na⁺ ions rapidly enters into neuron through open sodium channels. Sodium ions plays important role in various physiological process such as regulating blood volume, ph regulation, maintaining blood pressure, energy metabolism,osmotic equilibrium, excitation-contraction coupling, maintenance of cellular homeostasis, development and growth.
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Which rna is a copy made from a dna strand that can be transported to a ribosome?.
Answer:
mRNA
Explanation:
also known as messager RNA
made from DNA template
takes it to rRNA
translated by the rRNA
also known as ribosomal RNA
they help translate the codons
make protein when stop codon is sent out
a wound in which the epidermis is scraped away with minimal bleeding, such as commonly occurs when a child falls on his knees on a sidewalk, is called ano:
A wound in which the epidermis is scraped away with minimal bleeding, such as commonly occurs when a child falls on his knees on a sidewalk, is called a(n): abrasion.
What is abrasion?Abrasion is a wear that occurs on the skin due to frictional friction. A slight injury occurs that can cause a small bleeding or secretion in the injury. It is not a serious type of wound, it is something very superficial and minimal that can be treated with certain care.
Therefore, we can confirm that the correct option is: abrasion.
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A wound in which the epidermis is scraped away with minimal bleeding, such as commonly occurs when a child falls on his knees on a sidewalk, is called a(n):
Abrasion.
Contusion.
Avulsion.
Evisceration.
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which arteries connect the basilar artery and the internal carotid artery forming the posterior aspect of the cerebral arterial circle?
A posterior communicating artery connects the ipsilateral internal carotid artery to the two posterior cerebral arteries, which were created by dividing the basilar artery.
A member of the cerebral vascular circle of Willis is the posterior communicating artery (PComm), a branch of the internal carotid artery. The internal carotid and the posterior cerebral arteries are linked by the posterior communicating artery, uniting the anterior and posterior cerebral circulations.
At the back of your brain lies a blood vessel called the basilar artery. It nourishes your brain and central nervous system with oxygen-rich blood. The primary artery that supplies blood to the back of your brain is called the basilar.
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Write a short essay
explaining at least 2
problems and 2 benefits
that may result from genetic
engineering. Include
examples of each. Must be
at least 2 paragraphs (8-10
sentences)
Genetic engineering is the process in which uses laboratory based technologies to alter the DNA makeup of an organism
Genetic engineering are the artificial manipulation and modification and recombination of DNA or other nucleic acid molecule in order to modify an organism or population of organism and for examples genetic engineering may involve adding a gene from one species to an organism from different species to produce a desired trait and it is used in research and industry
Genetic engineering has been applied to the production of cancer therapies and brewing yeast and genetically modified plants and livestock's
For example
Corn has been modified by food engineer to be resistant to specific bugs
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accessing the insertion of serrated anterior by curling your fingers around the medial border of the scapula, your fingers will inherently have to work through the bellies of
To access the insertion of serrated anterior by curling fingers around the medial border of the scapula, your fingers will have to work through the bellies of : trapezius and rhomboids.
What are trapezius and rhomboids?The rhomboids consists of two separate muscles that are the major and minor muscles which are present immediately deep to the trapezius. It inserts at medial border of scapula, near the base of the spine of the scapula.
Middle trapezius and rhomboids are the two major scapular retractors but these two muscles vary in their actions. The middle fibers of the trapezius functions as pure scapular retractors while the rhomboids acts to retract scapula and also rotate it to depress the glenoid fossa.
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Resistant and nonresistant E. coli bacteria samples were spread on the agar plates below and incubated for 24 hours. Select the true statements from the list below.
The resistant E. coli strain grows on streptomycin negative plates.The resistant E. coli strain grows on streptomycin negative plates.
The nonresistant E. coli strain grows on streptomycin negative plates.The nonresistant E. coli strain grows on streptomycin negative plates.
The nonresistant E. coli strain grows the same on streptomycin positive or negative plates.The nonresistant E. coli strain grows the same on streptomycin positive or negative plates.
The resistant E. coli strain grows on streptomycin positive plates.The resistant E. coli strain grows on streptomycin positive plates.
Both resistant and nonresistant E. coli strain show no growth on streptomycin positive plates.Both resistant and nonresistant E. coli strain show no growth on streptomycin positive plates.
The nonresistant E. coli strain shows more growth on the streptomycin positive than the resistant E. coli strain.
The true sentences are:
(A). The resistant E. coli strain grows on streptomycin-negative plates. The nonresistant E. coli strain grows on streptomycin-negative plates.
E. coli is a type of bacterium that is frequently found in the intestines of people and other animals. Some strains of this bacterium have the potential to cause extremely serious food poisoning.
The population of E. coli that is highly streptomycin resistant belongs to the streptomycin-positive strain, whereas the negative strain has the reverse effect.
That's why it's imperative to only choose a streptomycin-positive strain of the E. coli bacterium if you wish to grow up a significant number of streptomycin-resistant bacteria.
Therefore, you would need to select a colony of the bacteria from the streptomycin-positive plate and allow it to develop on a streptomycin-positive plate if you wanted to build up a big quantity of streptomycin-resistant E. coli.
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which of the following about the law of segregation is false? question 15 options: a) it is a method that can be used to determine the number of chromosomes in a plant. b) it states that each of two alleles for a given trait segregate into different gametes. c) it can be explained by the segregation of homologous chromosomes during meiosis. d) it can account for the 3:1 ratio seen in the f2 generation of mendel's crosses.
The statement that is false about the law of segregation is that it is a method that can be used to determine the number of chromosomes in a plant. That is option A.
What is law of segregation?The law of segregation is one of the Mendelian law which states that each individual that is a diploid has a pair of alleles (copy) for a particular trait.
The difference parts of law of segregation include the following:
The first part defines the alleleThe second part states that organisms inherit one allele from each parent.The third part states that gametes only carry one allele for each trait.The fourth part defines the difference between dominant and recessive genes.Therefore, the law of segregation has nothing to do with determination of the number of chromosomes in a plant.
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ultimately how do enzymes lower activation energy? a) enzymes help force substrate into a form closely resembling the transition state b) increasing km by altering the catalytic perfection state c) achieve catalytic perfection at a reduced rate d) all of the above e) none of the above
All of above option is correct .
In order for the reactants to convert to the products, a minimum amount of energy is required activation energy.
Enzymes are biological catalyst that catalyze a chemical reaction .Catalysts lower the activation energy for reactions. When the activation energy is lowered the the reaction rate becomes faster. Hence , enzyme speeds the reaction by lowering the activation energy .
In the process of chemical reaction, the reactants bind to the active site of the enzyme, that forms an enzyme-substrate complex, this complex has lower activation energy than the substrate.
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Why are zygotes considered unique?
Answer:
Each zygote has its own combination of genes
Explanation:
the closest relatives of fungi and animals are group of answer choices amoebozoans. chlorophytes. alveolates. stramenopiles. none of these.
A group of amoebozoans are the closest living relatives of fungi & animals.
Fungi are either bacteria or plants.A lot of people think that fungus are plants. Fungi, on the other hand, are organisms that belong to their own order of life and are neither plant nor animals. They do not carry out photosynthesis like plants or consume their food like animals, which distinguishes them from other species in this regard.
What do mushrooms eat?Since they feed on decaying or decaying matter, most fungus are saprophytes. The accumulation of leaf litter or other trash on the ground is reduced as a result. The nutrients that the fungus has taken subsequently become available to other species that may consume fungi.
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What model organism are you using for the genetic mutation experiments?
Answer: zebrafish
Explanation:
Since the 1960s, the zebrafish has become increasingly important to scientific research. It has many characteristics that make it a valuable model for studying human genetics and disease.
glucose-6-phosphate dehydrogenase deficiency (g6pd) is inherited as an x-linked recessive allele in humans. a woman whose father suffered from g6pd marries a normal man. what proportion of their sons is expected to be g6pd?
0.25 of their sons is expected to be g6pd.
Because the sons will inherit only one of their mother's two X chromosomes. The father is normal, so he will pass on a normal allele. The mother has an X-linked recessive allele, so she can only pass on that allele to her daughters, who will not have G6PD deficiency.
The sons will have a 50% chance of inheriting the X chromosome from their mother—that is, they'll get either the normal or G6PD-deficient allele from her. If they get the normal allele from her, then they'll be fine and won't be affected by G6PD deficiency. If they get the G6PD-deficient allele from her, then they'll have G6PD deficiency themselves and be affected by it.
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bacitracin is made naturally by the bacterium bacillus subtilis and is primarily only used to target skin infections caused by gram-positive bacteria. this type of chemotherapeutic drug would best be characterized as a(n) .
bacitracin is made naturally by the bacterium bacillus subtilis and is primarily only used to target skin infections caused by gram-positive bacteria. this type of chemotherapeutic drug would best be characterized as a narrow-spectrum antibiotic.
What is narrow-spectrum antibiotic?Antibiotics with a narrow spectrum are effective against a certain subset of bacterial species. They are only able to affect gramme +ve or gramme -ve, not both.
When the etiological organism is identified, special narrow-spectrum antibiotics are administered. They won't eradicate as many common microorganisms as broad-spectrum antibiotics do. They prevent the spread of illnesses with medication resistance because they only affect a small number of extremely particular bacteria.
antibiotics that are particular to one type of bacteria, such as those that only kill gram-positive or gram-negative bacteria.
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is human evolution over? if not, what directions might human evolution take in the future? what do you imagine will be the main selective forces future humans face? describe some potential cultural adaptations and some potential genetic adaptations
Evolution is defined as gradual change to the DNA of a species over many generations.
Palaeoanthropology is the scientific study of human evolution
Human evolution is the lengthy process of change by which people originated from apelike ancestors
It can occur by natural selection, when certain traits created by genetic mutations help an organism survive/reproduce. These mutations will pass onto next generation.
On our recent study of DNA, we can see evidence that natural selection has recently made changes, so evolution will never stop.
There are several signs of human evolution-
1. The adaptation to the threat of infectious diseases and High prevalence of diseases like sickle cell disease and thalassemias
2. Also. deviations from expected allele frequencies provide clues that genes have undergone selection.
Human activity has altered our atmosphere with time. Also, humans now have the capability to take a direct hand in evolution of species it includes with artificial selection , animal and plant breeding, genetic engineering and genome editing etc.
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what is found in plant cells but not yeast cells
Answer:
The plant cell wall is made up of cellulose but that of the yeast is a fungi and its cell wall is made up of chitin
Answer:
Yeast cells lack chloroplasts.
Explanation:
As heterotrophs, yeasts. They cannot make their own food through photosynthesis. Chloroplasts are absent in yeast cells.
____________________
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in the arctic region, the arctic fox and the ptarmigan (a small bird species) both grow a snowy white coat during the winter for camouflage. these similar phenotypes are an example of: group of answer choices vestigial structures homologous structures convergent evolution homologous recombination
In the arctic region, the arctic fox and the ptarmigan both grow a snowy white coat during the winter for camouflage these similar phenotypes are an example of analogous structures.
The proof of the Convergent Evolutionary relationship among the species is provided by Analogous Structure. Convergent evolution played a role in the development of the species' common features. These are the architectural forms that serve similar purposes. However, these structures are not comparable anatomically. This indicates that their anatomical structures are distinct.
We can use the difference between a bat and a butterfly as an illustration. Both a bat's and a butterfly's wings serve the same purpose. They assist in flying them. Thus, the purpose remains the same. However, the anatomical makeup is different. Bones and skin are used in the development of Wings of Bat. However, the butterfly's wings are made entirely of different materials.
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Which macromolecule would serve as an energy source for the cell and is used as a component in the cell wall of plants?.