BIO 1108 EXAM 1 QUESTIONS AND ANSWERS
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population - CORRECT ANSWERS any group of organisms coexisting at the
same time and place that are capable of interbreeding with one another
gene pool - CORRECT ANSWERS all of the alleles at all loci in the population
allele fixation - CORRECT ANSWERS when a gene has only one allele. when one
allele of a gene becomes the only allele, while the alternatives are eliminated
from the population.
Why does meiosis result in more genetic variation than can be explained by
mutation alone?
A. meiosis II
B. The egg and sperm have more chromosomes.
C. crossing over
D. Not all the DNA gets replicated.
E. The mutation rate is always higher than expected. - CORRECT ANSWERS C.
crossing over
At the end of mitosis, daughter cells are ___, whereas at the end of meiosis,
daughter cells are ___.
A. haploid; diploid
B. diploid; haploid
C. diploid; polyploid
D. polyploid; haploid
E. haploid; haploid - CORRECT ANSWERS B. diploid; haploid
,BIO 1108 EXAM 1 QUESTIONS AND ANSWERS
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A zygote is:
A. diploid.
B. haploid.
C. polyploid.
D. All of the above.
E. None of the above. - CORRECT ANSWERS A. diploid
A parent cell divides to form two genetically identical daughter cells in the
process of mitosis. For mitosis to take place _____.
A. the parent cell must first dissolve its nuclear membrane
B. the parent cell must first replicate its entire genome
C. the parent cell must first achieve a specified size
D. the parent cell must divide its DNA in half so that each daughter cell gets
only the genes it needs - CORRECT ANSWERS C. the parent cell must first
achieve a specified size
Which one of the following statements best represents the relationship
between cellular respiration and photosynthesis?
A. Photosynthesis stores energy in organic molecules, while respiration
releases it.
B. Photosynthesis occurs only during the day and respiration occurs only at
night.
C. Respiration occurs only in animals and photosynthesis occurs only in plants.
D. Respiration stores energy in organic molecules, while photosynthesis
releases it.
, BIO 1108 EXAM 1 QUESTIONS AND ANSWERS
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E. Photosynthesis reverses the biochemical pathways of respiration. - CORRECT
ANSWERS A. Photosynthesis stores energy in organic molecules, while
respiration releases it
When photosynthesis is fully operational under conditions of intense light, the
pH of the thylakoid lumen may be as much as three full pH units lower than the
stroma of the chloroplast. That means that there are ____________ hydrogen
ions in the thylakoid compared to the stroma.
A. 1,000 times more
B. 100 times more
C. 3 times more
D. 3 times fewer - CORRECT ANSWERS A. 1,000 times more
Photosynthesis is the pathway used to synthesize carbohydrates from:
A. sunlight.
B. carbon dioxide.
C. oxygen.
D. sunlight, water and carbon dioxide.
E. sunlight, carbon dioxide, and oxygen. - CORRECT ANSWERS D. sunlight,
water and carbon dioxide
Arrange the steps in the Calvin cycle in order from earliest to latest.
A. carboxylation, reduction, regeneration
B. reduction, regeneration, carboxylation
C. regeneration, carboxylation, reduction
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population - CORRECT ANSWERS any group of organisms coexisting at the
same time and place that are capable of interbreeding with one another
gene pool - CORRECT ANSWERS all of the alleles at all loci in the population
allele fixation - CORRECT ANSWERS when a gene has only one allele. when one
allele of a gene becomes the only allele, while the alternatives are eliminated
from the population.
Why does meiosis result in more genetic variation than can be explained by
mutation alone?
A. meiosis II
B. The egg and sperm have more chromosomes.
C. crossing over
D. Not all the DNA gets replicated.
E. The mutation rate is always higher than expected. - CORRECT ANSWERS C.
crossing over
At the end of mitosis, daughter cells are ___, whereas at the end of meiosis,
daughter cells are ___.
A. haploid; diploid
B. diploid; haploid
C. diploid; polyploid
D. polyploid; haploid
E. haploid; haploid - CORRECT ANSWERS B. diploid; haploid
,BIO 1108 EXAM 1 QUESTIONS AND ANSWERS
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A zygote is:
A. diploid.
B. haploid.
C. polyploid.
D. All of the above.
E. None of the above. - CORRECT ANSWERS A. diploid
A parent cell divides to form two genetically identical daughter cells in the
process of mitosis. For mitosis to take place _____.
A. the parent cell must first dissolve its nuclear membrane
B. the parent cell must first replicate its entire genome
C. the parent cell must first achieve a specified size
D. the parent cell must divide its DNA in half so that each daughter cell gets
only the genes it needs - CORRECT ANSWERS C. the parent cell must first
achieve a specified size
Which one of the following statements best represents the relationship
between cellular respiration and photosynthesis?
A. Photosynthesis stores energy in organic molecules, while respiration
releases it.
B. Photosynthesis occurs only during the day and respiration occurs only at
night.
C. Respiration occurs only in animals and photosynthesis occurs only in plants.
D. Respiration stores energy in organic molecules, while photosynthesis
releases it.
, BIO 1108 EXAM 1 QUESTIONS AND ANSWERS
NEWEST DOWNLOAD 2024/2025 ALL ANSWERS
100% CORRECT VERIFIED BEST RANKED TO
SCORE A+ FOR SUCCESS IN BIOLOGY
E. Photosynthesis reverses the biochemical pathways of respiration. - CORRECT
ANSWERS A. Photosynthesis stores energy in organic molecules, while
respiration releases it
When photosynthesis is fully operational under conditions of intense light, the
pH of the thylakoid lumen may be as much as three full pH units lower than the
stroma of the chloroplast. That means that there are ____________ hydrogen
ions in the thylakoid compared to the stroma.
A. 1,000 times more
B. 100 times more
C. 3 times more
D. 3 times fewer - CORRECT ANSWERS A. 1,000 times more
Photosynthesis is the pathway used to synthesize carbohydrates from:
A. sunlight.
B. carbon dioxide.
C. oxygen.
D. sunlight, water and carbon dioxide.
E. sunlight, carbon dioxide, and oxygen. - CORRECT ANSWERS D. sunlight,
water and carbon dioxide
Arrange the steps in the Calvin cycle in order from earliest to latest.
A. carboxylation, reduction, regeneration
B. reduction, regeneration, carboxylation
C. regeneration, carboxylation, reduction
