A. Density is individuals per unit area or volume.B. Carrying capacity can limit logistic growth.C. Exponential growth assumes unlimited resources.D. A community contains only one species.
Correct Answer: A|B|C
Explanation:
A community contains interacting populations of multiple species.
A. Peptide bonds join amino acids.B. Primary structure is the amino-acid sequence.C. Denaturation always cleaves every peptide bond.D. Enzymes can be proteins.
Correct Answer: A|B|D
Explanation:
Denaturation usually disrupts higher-order structure, not primary bonds.
A. DNA polymerase synthesizes in the 5′→3′ direction.B. The lagging strand contains Okazaki fragments.C. Helicase unwinds the duplex.D. Both new strands are synthesized continuously.
