BIO 101 Final- Straighterline Questions
And Answers (100% Approved Pass
Rate) 2025
You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of
the ocean?
a. abyssal
b. bathypelagic
c. epipelagic
d. mesopelagic - Ans-bathypelagic
What was the first seed plant to appear?
a. angiosperm
b. bryophytes
c. gymnosperm
d. nonvascular plants - Ans-gymnosperm
In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous
unaffected individuals mate?
a. They will have affected offspring.
b. They will have unaffected offspring.
c. Cannot be determined based on the information given.
d. There is a 25% chance they will have affected offspring. - Ans-They will have unaffected offspring.
Both bacteria and archaea are which of the following types of organism?
,a. eukaryotic
b. prokaryotic
c. nucleoplasmic
d. multicellular - Ans-prokaryotic
Which of the following accurately describes transcriptional control of gene expression in eukaryotes?
a. Activators trigger sequences of DNA transcription factors to be expressed
b. Dependent on interactions of mRNA sequences with ribosomes
c. Promoters help transcription factors bind to RNA polymerases
d. Transcription factors help RNA polymerase bind to promoter sequences - Ans-Transcription factors
help RNA polymerase bind to promoter sequences
Based on their chemical equations, photosynthesis and cellular respiration have which of the following
relationships?
a. equivalent reactions
b. incomplete reactions
c. opposite reactions
d. unrelated reactions - Ans-opposite reactions
Which of the following parts of a plant seed turns into the root system?
a. cotyledon
b. epicotyl
c. hypocotyl
d. radicle - Ans-radicle
,Which of the following equations is often used to show that an enzyme has formed a complex with its
substrate?
Select one:
a. enzyme + product ⇒ substrate + enzyme ⇒ enzyme-substrate complex
b. enzyme + substrate ⇒ product + enzyme ⇒ enzyme-substrate complex
c. product + enzyme ⇒ enzyme-substrate complex ⇒ substrate + product
d. substrate + enzyme ⇒ enzyme-substrate complex ⇒ enzyme + product - Ans-d. substrate + enzyme ⇒
enzyme-substrate complex ⇒ enzyme + product
What type of muscle cell has branching, striated cells, each containing a single nucleus?
a. cardiac muscle
b. rough muscle
c. skeletal muscle
d. smooth muscle - Ans-cardiac muscle
Which of the following cell structures is associated with cellular respiration?
a. Golgi apparatus
b. lysomes
c. mitochondria
d. vacuoles - Ans-mitochondria
Male peacocks having more ornate plumage than their female counterparts is an example of which of
the following features of ecological behavior?
a. monogamy
b. sexual dimorphism
c. sexual selection
, d. territoriality - Ans-sexual dimorphism
Which organic molecule is composed of an amino group, a carboxylic acid group, and an R group?
A. carbohydrate
B. phospholipid
C. amino acid
D. nucleotide - Ans-amino acid
Which step of the photosynthesis pathway produces a carbohydrate from CO2 in the atmosphere?
A. the light reactions
B. ATP production
C. the Calvin cycle
D. the C4 pathway - Ans-the Calvin cycle
Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6 H+, 2 FADH2, and 2 ATP?
A. Glycolysis
B. Fermentation
C. Citric Acid Cycle
D. Electron Transport Chain - Ans-Citric Acid Cycle
Which membranous organelle, present in both animal and plant cells, is primarily used for storage?
A. the vacuole
B. the Golgi apparatus
C. the lysosome
D. the mitochondrion - Ans-the vacuole
And Answers (100% Approved Pass
Rate) 2025
You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of
the ocean?
a. abyssal
b. bathypelagic
c. epipelagic
d. mesopelagic - Ans-bathypelagic
What was the first seed plant to appear?
a. angiosperm
b. bryophytes
c. gymnosperm
d. nonvascular plants - Ans-gymnosperm
In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous
unaffected individuals mate?
a. They will have affected offspring.
b. They will have unaffected offspring.
c. Cannot be determined based on the information given.
d. There is a 25% chance they will have affected offspring. - Ans-They will have unaffected offspring.
Both bacteria and archaea are which of the following types of organism?
,a. eukaryotic
b. prokaryotic
c. nucleoplasmic
d. multicellular - Ans-prokaryotic
Which of the following accurately describes transcriptional control of gene expression in eukaryotes?
a. Activators trigger sequences of DNA transcription factors to be expressed
b. Dependent on interactions of mRNA sequences with ribosomes
c. Promoters help transcription factors bind to RNA polymerases
d. Transcription factors help RNA polymerase bind to promoter sequences - Ans-Transcription factors
help RNA polymerase bind to promoter sequences
Based on their chemical equations, photosynthesis and cellular respiration have which of the following
relationships?
a. equivalent reactions
b. incomplete reactions
c. opposite reactions
d. unrelated reactions - Ans-opposite reactions
Which of the following parts of a plant seed turns into the root system?
a. cotyledon
b. epicotyl
c. hypocotyl
d. radicle - Ans-radicle
,Which of the following equations is often used to show that an enzyme has formed a complex with its
substrate?
Select one:
a. enzyme + product ⇒ substrate + enzyme ⇒ enzyme-substrate complex
b. enzyme + substrate ⇒ product + enzyme ⇒ enzyme-substrate complex
c. product + enzyme ⇒ enzyme-substrate complex ⇒ substrate + product
d. substrate + enzyme ⇒ enzyme-substrate complex ⇒ enzyme + product - Ans-d. substrate + enzyme ⇒
enzyme-substrate complex ⇒ enzyme + product
What type of muscle cell has branching, striated cells, each containing a single nucleus?
a. cardiac muscle
b. rough muscle
c. skeletal muscle
d. smooth muscle - Ans-cardiac muscle
Which of the following cell structures is associated with cellular respiration?
a. Golgi apparatus
b. lysomes
c. mitochondria
d. vacuoles - Ans-mitochondria
Male peacocks having more ornate plumage than their female counterparts is an example of which of
the following features of ecological behavior?
a. monogamy
b. sexual dimorphism
c. sexual selection
, d. territoriality - Ans-sexual dimorphism
Which organic molecule is composed of an amino group, a carboxylic acid group, and an R group?
A. carbohydrate
B. phospholipid
C. amino acid
D. nucleotide - Ans-amino acid
Which step of the photosynthesis pathway produces a carbohydrate from CO2 in the atmosphere?
A. the light reactions
B. ATP production
C. the Calvin cycle
D. the C4 pathway - Ans-the Calvin cycle
Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6 H+, 2 FADH2, and 2 ATP?
A. Glycolysis
B. Fermentation
C. Citric Acid Cycle
D. Electron Transport Chain - Ans-Citric Acid Cycle
Which membranous organelle, present in both animal and plant cells, is primarily used for storage?
A. the vacuole
B. the Golgi apparatus
C. the lysosome
D. the mitochondrion - Ans-the vacuole
