Master Biology with Fun Quizzes & Brain Teasers!

Cystic fibrosis is a genetic disorder caused by
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14. The diagrams below are structural formulas that represent organic molecules.Which of the following claims is best supported by the evidence in these structural formulas?Nucleotides can combine with glucose molecules to form cellulose.Glucose can bond together to make larger molecules like cellulose.Dipeptides can bond together to make larger molecules like triglycerideNucleotides can combine with glucose molecules to form dipeptides.
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What did Daniel Branton's freeze fracturing image reveal?A. That the small bumps in the membrane are the proteins.B. The actual color of our cell's membrane.C. That there are actually 3 layers, the middle layer was too small to see before.D. That the membrane is sensitive to the cold, and becomes bumpy when frozen.
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According to the theory of evolution, what will most likely happen to a species in which half the individuals are better suited to eating one kind of food and the other half a different kind of food?A. They will become two different species.B. Both groups will become extinct if there is a food shortage.C. One half of the species will outcompete the other half of the species.D. The two groups will increase their chances of survival by learning to eat both types of food.
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If a true-breeding purple flower pea plant is self-fertilized what would be thephenotype of the offspring?O PurpleO WhiteO PinkO Red
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A protein has the following sequence: ser-his-thr-tyr. What component of protein structure is this?
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In terms of structure, how is the chicken wing similar to the human arm?
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Why does exposure to UV light decrease folate in blood
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Professor snuck this in on my home work. We havent gone over it in lab nor lecture. Nothing in the study guides either. Help!
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Which taxon includes more genera? A class or family?
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Write P if the organelle can be found in plants only, A if in animals only and B if found in both plants and animals.
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Given are plants that produce red flowers and smooth petals. I'd like to produce yellow flowers with serrated petals. The allele for red flower color is RThe allele for yellow flower color is rThe allele for smooth petals is PThe allele for serrated petals is pa) a plant with red flowers and serrated petals has the genotype RRpp or Rrpp.Why are there 2 possible genotypes? b) What is the genotype of plants with yellow flowers and serrated petals?c) What is the phenotype of the flowers with the genotype RrPp?d) Then cross the flowers with the genotype from c). with each other. Is it possible for this cross to generate yellow flowers withserrated petals?
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This Punnett square shows a cross between two organisms that are heterozygous for a particularfur color.Parent 1WwParent 2Www = whiteW = blackBased on this cross, what percentage of the offspring are likely to show the recessive phenotype?A. O percentB. 25 percentC. 50 percentD. 100 percent
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Can you help me put these in the correct column please.
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I need help answering number 12
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Which RNA nucleotide is complementary to adenine?
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This figure shows graphed medical research results from a study on a new vaccine. The research was done in an effort to determine if a new vaccine would be effective in preventing potentially dangerous rotavirus infections in infants Greeh data bars represent occurrence of infant cases that had normal rotavirus strains that aren't critically dangerous Blue data bars represent occurrence of infant cases that had more dangerous rotavirus strains that can hospitalize infants or lead to their fatality in the graph interpret the data that are shown regarding the response of a large number of infants to vaccination from dangerous rotavirin infection Which of the hypotheses is NOT supported by these data results?
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When a heat lamp is heating up a cup of air and a cup of water- do they heat up at the same rate?Why or why not? Which cup would heat up faster? Why?
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An amoeba moves by pushing out small projections called _______ and then pulling the rest of the organism along.A) pelliclesB) pseudopodiaC) bacterial conjugatesD) spores
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Which two factors most likely lead to fertile soil?
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Hi I need to make sure If Im correct with this question if you can help me out please and thank you
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Explain the biological structure hierarchy of the human body and the role of homeostasis in maintaining the body. Include the following key terms: organism, cells, organs, tissues, organ systems, homeostasis, internal environment, external environment.
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Ribosomes help createproteins. Whichmolecule in the cell hasthe instructions forcreating proteins?
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Which type of population growth is shown in this graph?exponentiallogisticLinearLimited
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