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Hesi A2 Biology Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What organelle in plants stores water and nutrients?✔✔Central vacuole
What molecule is the main component of cell membranes?✔✔Phospholipids
What term describes a membrane that allows some substances to pass but not others?✔✔Selective permeability
What organelle is sometimes called the "powerhouse of the cell"?✔✔Mitochondria
What process converts glucose into ATP inside the mitochondria?✔✔Cellular respiration
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What process converts sunlight into glucose inside chloroplasts?✔✔Photosynthesis
What is the name of the pigment in chloroplasts that captures light energy?✔✔Chlorophyll
What type of bond connects the phosphate and sugar backbone in DNA?✔✔Covalent bond
What type of bond connects complementary base pairs in DNA?✔✔Hydrogen bond
What are the building blocks of proteins?✔✔Amino acids
What are the building blocks of nucleic acids?✔✔Nucleotides
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What organelle contains digestive enzymes that can break down old organelles?✔✔Lysosomes
What is the network of fibers that helps the cell maintain its shape and move?✔✔Cytoskeleton
What is the role of messenger RNA (mRNA)?✔✔Carry genetic instructions from DNA to ribosomes
What is the role of transfer RNA (tRNA)?✔✔Bring amino acids to the ribosome during protein synthesis
What is the basic unit of life in all living organisms?✔✔The cell
What organelle is responsible for producing ATP in eukaryotic cells?✔✔Mitochondria
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