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HESI A2 Biology Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What process converts DNA into RNA?✔✔Transcription
What process converts mRNA into a protein?✔✔Translation
What organelle is responsible for producing lipids and steroid hormones?✔✔Smooth endoplasmic reticulum
What process describes the engulfing of large particles by the cell membrane?✔✔Phagocytosis
What process describes the cell releasing large substances to the outside?✔✔Exocytosis
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What part of the phospholipid bilayer is hydrophilic?✔✔The phosphate head
What part of the phospholipid bilayer is hydrophobic?✔✔The fatty acid tails
What organelle is responsible for breaking down fatty acids and producing hydrogen peroxide?✔✔Peroxisome
What is the phase of the cell cycle when the cell grows and performs normal functions?✔✔G1 phase
What is the process by which plants convert light energy into chemical energy?✔✔Photosynthesis
What molecule is the primary energy currency of the cell?
✔✔ATP
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What organelle contains its own DNA and ribosomes in both plants and animals?✔✔Mitochondria
What organelle contains its own DNA and ribosomes only in plants?✔✔Chloroplast
What are the repeating units that make up microtubules?✔✔Tubulin
What are the repeating units that make up microfilaments?✔✔Actin
What organelle is responsible for producing most of the cell’s ATP?✔✔Mitochondria
What structure controls the entry and exit of substances in and out of the cell?✔✔Cell membrane
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