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HESI A2 V2 Biology Test 2 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which organelle is responsible for producing ATP in eukaryotic cells?
- Ribosome
- Lysosome
- Golgi apparatus
✔✔B) Mitochondrion
Which structure controls the movement of substances into and out of the cell?
- Nucleus
- Ribosome
- Mitochondrion
✔✔B) Plasma membrane
Which process describes the movement of water across a semipermeable membrane?
- Active transport
✔✔B) Osmosis 1 / 3
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- Diffusion
- Endocytosis
Which type of RNA carries amino acids to the ribosome during protein synthesis?
- mRNA
- rRNA
- siRNA
✔✔B) tRNA
Which organelle packages and ships proteins to their destinations?
- Ribosome
- Mitochondria
- Endoplasmic reticulum
✔✔C) Golgi apparatus
What type of bond holds the two strands of DNA together?✔✔A) Hydrogen bond
- Ionic bond 2 / 3
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- Covalent bond
- Peptide bond
Which phase of the cell cycle is characterized by DNA replication?
- G1 phase
- G2 phase
- M phase
✔✔B) S phase
Which organelle contains digestive enzymes that break down waste?
- Mitochondria
- Ribosome
- Nucleus
✔✔B) Lysosome
What is the main function of chloroplasts in plant cells?
- Protein synthesis
- DNA replication
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