BIOD 101 FINAL EXAM ACTUAL EXAM 2025 | ALL
QUESTIONS AND CORRECT ANSWERS (VERIFIED
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a. Name the three parts of a. sugar, phosphate group, nitrogenous base
a nucleic acid nucleotide.
b. What are the particular b. DNA- deoxyribose- phosphate group- adenine,
types of each of these that guanine, cytosine, thymine
are found in DNA and
what are the RNA- ribose -phosphate group- adenine, guanine,
corresponding types that cytosine, uracil
are found in RNA?
1. DNA contains deoxyribose - RNA is ribose
What are the four major 2. DNA: thymine
differences btw DNA and RNA: uracil
RNA? 3. DNA: double stranded helix
RNA: single strand
DNA is often described as The uprights are the sugar phosphate backbone, and
a coiled ladder. In this the rungs are the bases.
description, what two
parts of a DNA nucleotide
form the uprights? What
part forms the rungs?
, During dehydration condensation biomacromolecules
are synthesized by joining building block monomers.
Explain the 2 differences
A water molecule is lost and energy is used.
btw hydrolysis and
Biomacromolecules are broken down into monomers
dehydration condensation.
during hydrolysis when a water molecule is added
and energy is released.
Tell whether each of the Carbohydrate; used as fuel, is referred to as blood
following is carbohydrate, sugar in humans and animals
lipid, protein, or nucleic
acid. Then explain the use
of each.
GLUCOSE
Tell whether each of the Carbohydrate; the form in which plants store glucose
following is carbohydrate,
lipid, protein, or nucleic
acid. Then explain the use
of each.
Starch
Tell whether each of the Carbohydrate; woody tissue in plants and trees,
following is carbohydrate, indigestible fiber
lipid, protein, or nucleic
acid. Then explain the use
of each.
Cellulose
Tell whether each of the Lipid; the major form of fuel storage that when broken
following is carbohydrate, down produces twice as much energy per gram than
lipid, protein, or nucleic carbohydrates
acid. Then explain the use
of each.
Triglyceride
, Tell whether each of the Lipid; the major constituent of cell membranes
following is carbohydrate,
lipid, protein, or nucleic
acid. Then explain the use
of each.
Phopholipid
Tell whether each of the Protein; carries oxygen in the blood
following is carbohydrate,
lipid, protein, or nucleic
acid. Then explain the use
of each.
Hemoglobin
Tell whether each of the Nucleic Acid; contains genetic material of cells
following is carbohydrate,
lipid, protein, or nucleic
acid. Then explain the use
of each.
DNA
Tell whether each of the Nucleic Acid; part of the protein-synthesizing
following is carbohydrate, operation of the cell
lipid, protein, or nucleic
acid. Then explain the use
of each.
RNA
Tell whether each of the Lipid; component of animal cell membranes that,
following is carbohydrate, when in excess, can form plaque on artery walls
lipid, protein, or nucleic
acid. Then explain the use
of each.
Cholesterol