HESI A2 Biology 2024

Which organelle is the site of energy production?

A. Mitochondrion B. Vacuole C. Cell membrane D. Ribosome

Whose energy efficiency is greater?

A. Herbivore B. Carnivore C. Omnivore D. Decomposer

What happens to messenger RNA when it reaches the cytoplasm?

A. It attaches to a ribosome. B. It unzips, exposing nitrogen bases. C. It pairs with the DNA bases. D. It pulls free of the DNA strand.

Which is an example of a gymnosperm?

A. Red cedar B. Japanese cherry C. Flowering dogwood D. American chestnut

Which structure might be described as a core of nucleic acid surrounded by a protein coat?

A. RNA B. Virus C. Blue-green alga D. Saprophyte

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