AND ANSWERS 2024 UPDATE A+ (SPRING)
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 - Correct Answer-bathypelagic
What was the first seed plant to appear?
• angiosperm
• bryophytes
• gymnosperm
• 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?
• 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. - Correct Answer-They
will have unaffected offspring.
Both bacteria and archaea are which of the following types of organism?
• eukaryotic
• prokaryotic
• nucleoplasmic
• multicellular - Correct 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 -
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?
• equivalent reactions
• incomplete reactions
• opposite reactions
• unrelated reactions - Correct Answer-opposite reactions
Which of the following parts of a plant seed turns into the root system?
• cotyledon
• epicotyl
• hypocotyl
• 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:
• 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 -
Correct 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 - Correct Answer-cardiac muscle
Which of the following cell structures is associated with cellular respiration?
• Golgi apparatus
• lysomes
• mitochondria
• 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?
, • monogamy
• sexual dimorphism
• sexual selection
• territoriality - Correct 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 - Correct 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 - Correct 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 - Correct 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 - Correct Answer-the vacuole
Plants are capable of growth throughout their entire lifespan because of specialized
tissue known as the
• petiole
• cotyledon
• xylem
• meristem - Correct Answer-meristem