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Bio 101 Final Exam - Straighterline Fall 2022 with complete solution
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Bio 101 Final Exam - Straighterline Fall 2022 with complete solutionYou 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 Correct answer - bathypelagic
What was the first seed plant to appear?
a. angiosperm
b. bryophytes
c. gymnosperm
d. nonvascular plants Correct answer - 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. Correct answer - 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 Correct answer - 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 Correct answer - 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 Correct answer - opposite reactions
Which of the following parts of a plant seed turns into the root system?
a. cotyledon
b. epicotyl
c. hypocotyl
d. radicle Correct answer - 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 Correct answer - 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 Correct answer - cardiac muscle
Which of the following cell structures is associated with cellular respiration?
a. Golgi apparatus
b. lysomes
c. mitochondria
d. vacuoles Correct answer - 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 Correct answer - 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 Correct answer - 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 Correct answer - 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 Correct answer - 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 Correct answer - the vacuole
Plants are capable of growth throughout their entire lifespan because of specialized tissue known as the
A. petiole
B. cotyledon
C. xylem
D. meristem Correct answer - meristem
Which group of hominids had an appearance similar to modern man and hunted cooperatively using advanced stone tools?
A. Homo habilis
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