BIOD 101 FINAL EXAM WITH VERIFIED ANSWERS

BIOD 101 FINAL EXAM WITH VERIFIED |\ |\ |\ |\ |\ |\




ANSWERS

a. Name the three parts of a nucleic acid nucleotide.
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b. What are the particular types of each of these that are found
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in DNA and what are the corresponding types that are found in
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RNA? - CORRECT ANSWERS ✔✔a. sugar, phosphate group,
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nitrogenous base |\




b. DNA- deoxyribose- phosphate group- adenine, guanine,
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cytosine, thymine |\




RNA- ribose -phosphate group- adenine, guanine, cytosine, uracil
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What are the four major differences btw DNA and RNA? -
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CORRECT ANSWERS ✔✔1. DNA contains deoxyribose - RNA is
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ribose |\




2. DNA: thymine
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|\ RNA: uracil |\ |\




3. DNA: double stranded helix
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RNA: single strand
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DNA is often described as a coiled ladder. In this description,
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what two parts of a DNA nucleotide form the uprights? What part
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forms the rungs? - CORRECT ANSWERS ✔✔The uprights are the
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sugar phosphate backbone, and the rungs are the bases.
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,Explain the 2 differences btw hydrolysis and dehydration
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condensation. - CORRECT ANSWERS ✔✔During dehydration |\ |\ |\ |\ |\ |\


condensation biomacromolecules are synthesized by joining |\ |\ |\ |\ |\ |\


building block monomers. A water molecule is lost and energy is
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used. |\




Biomacromolecules are broken down into monomers during |\ |\ |\ |\ |\ |\ |\


hydrolysis when a water molecule is added and energy is
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released.


Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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GLUCOSE - CORRECT ANSWERS ✔✔Carbohydrate; used as fuel, is
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referred to as blood sugar in humans and animals
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Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Starch - CORRECT ANSWERS ✔✔Carbohydrate; the form in which
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plants store glucose|\ |\




Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Cellulose - CORRECT ANSWERS ✔✔Carbohydrate; woody tissue in
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plants and trees, indigestible fiber
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,Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Triglyceride - CORRECT ANSWERS ✔✔Lipid; the major form of fuel
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storage that when broken down produces twice as much energy
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per gram than carbohydrates
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Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Phopholipid - CORRECT ANSWERS ✔✔Lipid; the major constituent
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of cell membranes
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Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Hemoglobin - CORRECT ANSWERS ✔✔Protein; carries oxygen in|\ |\ |\ |\ |\ |\ |\ |\


the blood |\




Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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DNA - CORRECT ANSWERS ✔✔Nucleic Acid; contains genetic
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material of cells |\ |\




Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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, RNA - CORRECT ANSWERS ✔✔Nucleic Acid; part of the protein-
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synthesizing operation of the cell |\ |\ |\ |\




Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Cholesterol - CORRECT ANSWERS ✔✔Lipid; component of animal
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cell membranes that, when in excess, can form plaque on artery
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walls


Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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ATP - CORRECT ANSWERS ✔✔Nucleic Acid; releases energy
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through the breaking of high-energy phosphate bond
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Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Glycogen - CORRECT ANSWERS ✔✔Carbohydrate; the form in
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which animals and humans store glucose
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Tell whether each of the following is carbohydrate, lipid, protein,
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or nucleic acid. Then explain the use of each.
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Insulin - CORRECT ANSWERS ✔✔Protein; a hormone
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