Biology L 104 Exam 1 Questions with
correct Answers
1. An example of a saturated fat is
a. olive oil
b. corn oil
c. animal fat
d. margarine
e. soybean oil - Answer -c. animal fat
2. During the folding of DNA into discrete chromosomes, DNA is first condensed into
small repeating units called ___________.
a. nucleosomes
b. lysosomes
c. ribosomes
d. centrosomes
e. nucleotides - Answer -a. nucleosomes
3. The final product of glycosis is ____________.
a. glucose
b. fructose
c. one molecule of water
d. two molecules of pyruvate
e. two molecules of carbon dioxide - Answer -d. two molecules of pyruvate
4. The ultimate source of energy for living things on earth is ___________.
a. stomach fat
b. fossil fuels
c. the sun
d. glycogen stored in muscles and liver
e. aerobic respiration - Answer -c. the sun
5. These contain enzymes and are referred to as garbage disposals of the cell.
a. golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. endoplasmic reticula - Answer -d. lysosomes
, 6. You know that cellular respiration produces lots of energy. Identify which of the steps
produces the most energy.
a. oxidation of NADH during electron transport
b. glycolysis
c. pyruvate transition into the citric acid cycle
d. conversion of FADH2 to FAD during electron transport - Answer -a. oxidation of
NADH during electron transport
7. A substance that cannot be broken down into simpler substances by ordinary
chemical or physical techniques is an ___________.
a. molecule
b. chemical
c. compound
d. element
e. all of these - Answer -d. element
8. The cytoskeleton is involved in all of the following except:
a. movement of vesicles
b. maintenance of cell shape
c. movement of chromosomes
d. movement of molecules in and out of the nucleus
e. muscle contraction - Answer -d. movement of molecules in and out of the nucleus
9. _____________________ are responsible for the synthesis of lipids in the cell.
a. smooth endoplasmic reticulum
b. Golgi apparatus
c. rough endoplasmic reticulum
d. lysosomes
e. none of these - Answer -a. smooth endoplasmic reticulum
10. These contain enzymes used in the breakdown of glucose and generation of ATP.
a. Golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. endoplasmic reticula - Answer -c. mitochondria
11. Which product of photosynthesis is used for animal cellular respiration?
a. oxygen
b. cellulose
c. carbon dioxide
d. ATP
e. nucleic acids - Answer -a. oxygen
12. Which of the following exhibits a tertiary structure?
a. amino acids
correct Answers
1. An example of a saturated fat is
a. olive oil
b. corn oil
c. animal fat
d. margarine
e. soybean oil - Answer -c. animal fat
2. During the folding of DNA into discrete chromosomes, DNA is first condensed into
small repeating units called ___________.
a. nucleosomes
b. lysosomes
c. ribosomes
d. centrosomes
e. nucleotides - Answer -a. nucleosomes
3. The final product of glycosis is ____________.
a. glucose
b. fructose
c. one molecule of water
d. two molecules of pyruvate
e. two molecules of carbon dioxide - Answer -d. two molecules of pyruvate
4. The ultimate source of energy for living things on earth is ___________.
a. stomach fat
b. fossil fuels
c. the sun
d. glycogen stored in muscles and liver
e. aerobic respiration - Answer -c. the sun
5. These contain enzymes and are referred to as garbage disposals of the cell.
a. golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. endoplasmic reticula - Answer -d. lysosomes
, 6. You know that cellular respiration produces lots of energy. Identify which of the steps
produces the most energy.
a. oxidation of NADH during electron transport
b. glycolysis
c. pyruvate transition into the citric acid cycle
d. conversion of FADH2 to FAD during electron transport - Answer -a. oxidation of
NADH during electron transport
7. A substance that cannot be broken down into simpler substances by ordinary
chemical or physical techniques is an ___________.
a. molecule
b. chemical
c. compound
d. element
e. all of these - Answer -d. element
8. The cytoskeleton is involved in all of the following except:
a. movement of vesicles
b. maintenance of cell shape
c. movement of chromosomes
d. movement of molecules in and out of the nucleus
e. muscle contraction - Answer -d. movement of molecules in and out of the nucleus
9. _____________________ are responsible for the synthesis of lipids in the cell.
a. smooth endoplasmic reticulum
b. Golgi apparatus
c. rough endoplasmic reticulum
d. lysosomes
e. none of these - Answer -a. smooth endoplasmic reticulum
10. These contain enzymes used in the breakdown of glucose and generation of ATP.
a. Golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. endoplasmic reticula - Answer -c. mitochondria
11. Which product of photosynthesis is used for animal cellular respiration?
a. oxygen
b. cellulose
c. carbon dioxide
d. ATP
e. nucleic acids - Answer -a. oxygen
12. Which of the following exhibits a tertiary structure?
a. amino acids
