Biod 101 Exam 1 Questions And
Answers With Verified Solutions 100%
Correct!!! Latest Updated 2024/2025
a. Name the three parts of a nucleic acid nucleotide.
b. What are the particular types of each of these that are found in DNA and what
are the corresponding types that are found in RNA? - ANSWER✔✔ a. sugar,
phosphate group, nitrogenous base
b. DNA- deoxyribose- phosphate group- adenine, guanine, cytosine, thymine
What are the four major differences btw DNA and RNA? - ANSWER✔✔ 1. DNA
contains deoxyribose - RNA is ribose
2. DNA: thymine
RNA: uracil
3. DNA: double stranded helix
RNA: single strand
DNA is often described as a coiled ladder. In this description, what two parts of a
DNA nucleotide form the uprights? What part forms the rungs? - ANSWER✔✔
The uprights are the sugar phosphate backbone, and the rungs are the bases.
Explain the 2 differences btw hydrolysis and dehydration condensation. -
ANSWER✔✔ During dehydration condensation biomacromolecules are
synthesized by joining building block monomers. A water molecule is lost and
energy is used.
Biomacromolecules are broken down into monomers during hydrolysis when a
water molecule is added and energy is released.
, Tell whether each of the following is carbohydrate, lipid, protein, or nucleic acid.
Then explain the use of each.
GLUCOSE - ANSWER✔✔ Carbohydrate; used as fuel, is referred to as blood
sugar in humans and animals
Tell whether each of the following is carbohydrate, lipid, protein, or nucleic acid.
Then explain the use of each.
Starch - ANSWER✔✔ Carbohydrate; the form in which plants store glucose
Tell whether each of the following is carbohydrate, lipid, protein, or nucleic acid.
Then explain the use of each.
Cellulose - ANSWER✔✔ Carbohydrate; woody tissue in plants and trees,
indigestible fiber
Tell whether each of the following is carbohydrate, lipid, protein, or nucleic acid.
Then explain the use of each.
Triglyceride - ANSWER✔✔ Lipid; the major form of fuel storage that when
broken down produces twice as much energy per gram than carbohydrates
Tell whether each of the following is carbohydrate, lipid, protein, or nucleic acid.
Then explain the use of each.
Phopholipid - ANSWER✔✔ Lipid; the major constituent of cell membranes
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