BIOD 101 FINAL EXAM(ACTUAL EXAM)
WITH CORRECT 250+ QUESTIONS AND
ANSWERS LATEST 2024 – 2025 GOOD
SCORE IS GUARANTEED GRADE A+
A light microscope has an eye piece magnification of 10X, and the
objective lens is set to 30X. What is the total magnification? -
ANSWERS-300X
What three parameters are vital to microscopy? - ANSWERS-1.
Magnification
2. Resolution
3. Contrast
Adding stains or dyes to specimens increases: - ANSWERS-Contrast
What are the four major differences btw DNA and RNA? - ANSWERS-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? - ANSWERS-The uprights are the sugar phosphate backbone,
and the rungs are the bases.
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? -
ANSWERS-a. sugar, phosphate group, nitrogenous base
b. DNA- deoxyribose- phosphate group- adenine, guanine, cytosine,
thymine
,Explain the 2 differences btw hydrolysis and dehydration condensation.
- ANSWERS-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 - ANSWERS-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 - ANSWERS-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 - ANSWERS-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 - ANSWERS-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 - ANSWERS-Lipid; the major constituent of cell membranes
Tell whether each of the following is carbohydrate, lipid, protein, or
nucleic acid. Then explain the use of each.
Hemoglobin - ANSWERS-Protein; carries oxygen in the blood
Tell whether each of the following is carbohydrate, lipid, protein, or
nucleic acid. Then explain the use of each.
DNA - ANSWERS-Nucleic Acid; contains genetic material of cells
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