BIO 101 FINAL EXAM STRAIGHTERLINE LATEST UPDATED

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BIO 101 FINAL EXAM – STRAIGHTERLINE/ LATEST UPDATED

ACTUAL EXAM/ 2024-2025 Rated A+

You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the following zones of the ocean?

• abyssal
• bathypelagic
• epipelagic
• mesopelagic - ANSWER - bathypelagic

What was the first seed plant to appear?

• angiosperm
• bryophytes
• gymnosperm
• nonvascular plants - ANSWER - gymnosperm

In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous unaffected individuals mate?

• They will have affected offspring.
• They will have unaffected offspring.
• Cannot be determined based on the information given.
• There is a 25% chance they will have affected offspring. - ANSWER - They will have unaffected

offspring.

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pg. 2 Both bacteria and archaea are which of the following types of organism?

• eukaryotic
• prokaryotic
• nucleoplasmic
• multicellular - ANSWER - prokaryotic

Which of the following accurately describes transcriptional control of gene expression in eukaryotes?

• Activators trigger sequences of DNA transcription factors to be expressed
• Dependent on interactions of mRNA sequences with ribosomes
• Promoters help transcription factors bind to RNA polymerases
• Transcription factors help RNA polymerase bind to promoter sequences - 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?

• equivalent reactions
• incomplete reactions
• opposite reactions
• unrelated reactions - ANSWER - opposite reactions

Which of the following parts of a plant seed turns into the root system?

• cotyledon
• epicotyl
• hypocotyl
• radicle - ANSWER - radicle 2 / 4

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Which of the following equations is often used to show that an enzyme has formed a complex with its substrate?

Select one:

• enzyme + product ⇒ substrate + enzyme ⇒ enzyme-substrate complex
• enzyme + substrate ⇒ product + enzyme ⇒ enzyme-substrate complex
• product + enzyme ⇒ enzyme-substrate complex ⇒ substrate + product
• substrate + enzyme ⇒ enzyme-substrate complex ⇒ enzyme + product - ANSWER - d. substrate +

enzyme ⇒ enzyme-substrate complex ⇒ enzyme + product

What type of muscle cell has branching, striated cells, each containing a single nucleus?

• cardiac muscle
• rough muscle
• skeletal muscle
• smooth muscle - ANSWER - cardiac muscle

Which of the following cell structures is associated with cellular respiration?

• Golgi apparatus
• lysomes
• mitochondria
• vacuoles - ANSWER - mitochondria

Male peacocks having more ornate plumage than their female counterparts is an example of which of the following features of ecological behavior?

• monogamy
• sexual dimorphism
• sexual selection 3 / 4

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• territoriality - ANSWER - sexual dimorphism

Which organic molecule is composed of an amino group, a carboxylic acid group, and an R group?

• carbohydrate
• phospholipid
• amino acid
• nucleotide - ANSWER - amino acid

Which step of the photosynthesis pathway produces a carbohydrate from CO2 in the atmosphere?

• the light reactions
• ATP production
• the Calvin cycle
• the C4 pathway - ANSWER - the Calvin cycle

Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6 H+, 2 FADH2, and 2 ATP?

• Glycolysis
• Fermentation
• Citric Acid Cycle
• Electron Transport Chain - ANSWER - Citric Acid Cycle

Which membranous organelle, present in both animal and plant cells, is primarily used for storage?

• the vacuole
• the Golgi apparatus
• the lysosome
• the mitochondrion - ANSWER - the vacuole
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