Biology Definitions Advanced Quiz 4
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Advanced Quiz 4
1. What is apoptosis?
Cell proliferation
Necrosis
Programmed cell death
2. Which structure coordinates balance and movement?
Cerebellum
Cerebrum
Medulla
3. What is the function of tRNA?
Carries genetic code
Transfers amino acids to ribosome
Forms ribosome structure
4. Which enzyme unwinds DNA during replication?
Helicase
Primase
Topoisomerase
5. What is the role of the lac operon?
DNA replication
Protein folding
Regulates lactose metabolism genes
6. Which organelle performs photosynthesis?
Chloroplast
Mitochondrion
Nucleus
7. What causes genetic drift?
Natural selection
Random allele frequency changes in small populations
Gene flow
8. Which structure is the site of light-dependent reactions?
Thylakoid membranes
Stroma
Grana
9. What connects cerebral hemispheres?
Brainstem
Thalamus
Corpus callosum
10. Which process fixes atmospheric nitrogen?
Nitrogen fixation
Nitrification
Ammonification
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