Biology

ou are conducting an experiment and remove calcium ions from the system. what would be a likely consequence of the lack of calcium on muscle contraction?
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Which of the following represents the factorization of the polynomial function graphed below? (Assume it has no constant factor.) O A. y = (x+3)(x+5) B. y = (x-3)(x +5) C. y = (x-3)(x-5) O D. y = (x+3)(x-5)
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Cladistics makes hypotheses based on genetic and morphological differences?Which of the following scenarios will be favored by the principle of parsimony?
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what is a critical morphogen derived from the notochord that specifies ventral neuron fates in the spinal cord?
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Which of these choices best describes probability?a comparison that shows the relationship between quantitiesthe most likely outcome of a given crosshow likely a given outcome will happen compared to all possible outcomesa way to calculate exactly which allele an offspring will inherit from its parents
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cells are almost always microscopic in order to maximize their surface area to volume ratio (sa:v). (a) what is one reason cells can't have too low a sa:v? (b) what is one way cells can improve their sa:v (besides simply being smaller)?
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a pcr set up with a dna template not known to have the phosphatase gene is a [ select ] and you expect to see
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the np is percussing the seventh right intercostal space at the midclavicular line over the liver. which sound should the np expect to hear?
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what does a flatworm do to obtain its food? responses it eats decaying leaves. it eats decaying leaves. it filters pond water. it filters pond water. it hunts and eats other organisms. it hunts and eats other organisms. it undergoes photosynthesis.
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for female catsOO allele =oo allele =Oo allele =
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the main function of cellular respiration is the question 20 options: conversion of energy stored in the chemical bonds of glucose to an energy form that the cell can use. recovery of nad from nadph. conversion of kinetic to potential energy. creation of energy in the cell. elimination of excess glucose from the cell.
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Coral skeletal structures are built out of calcium carbonate, also known as __________.
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Which of the following could best explain the increase in the frequency of the B allele in the population after five years? The frequency of the B allele increased due to the selective pressures of the environment.
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the conversion of organic waste to mulch or humus usable for enriching soil by encouraging natural biological processes of decomposition in a controlled manner is called .
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select all that apply select all the habitats where one could expect to find archaea or bacteria. multiple select question. very high in the atmosphere hot springs sterilized surfaces in the deepest parts of oceans intestines of animals
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in the ouchterlony test, where will a precipitin line form when bovine serum albumin is mixed with the antibodies for horse albumin, bovine albumin, and swine albumin?
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What are the main functions of the ear? Please respond in 1-2 complete sentencesusing your best grammar.
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a mutation in the e. coli sigma70 protein results in a increased interaction or stability between sigma70 and rna polymerase. what is the most likely
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Define the definition: Heterozygous
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Energy from cellular metabolism is converted to ATP by respiring organisms. Place the following steps in the correct order. Events (5 items) (Drag and drop into the appropriate area) - Influx of Hthrough ATP synthase drives ATP - NADH and FADH are oxidized by electron transport proteins. - An electrochemical gradient - Glycolysis and TCA cycle of protons is established (Ap. generate NADH & FADH. - Electron transport releases energy that is used to translocate H. production .order of event12345
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In CAFOs, animals are confined at _____ densities in _____ spaces than in traditional farms.low, smallerhigh, smallerlow, largerhigh, larger
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3. which of the following is not an important ecosystem service provided by wetlands? flood control breeding habitat for birds migratory habitat for birds water filtration seed dispersal
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manatees and seals both share some phenotypic similarities that are adaptations to an aquatic environment. however, seals evolved from a bearlike carnivore and manatees evolved from a hoofed mammal. this example shows that
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which is an immediate effect of nicotine? group of answer choices reduced blood sugar reduced heart rate inhibition of urine production
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