Question: Q: Crossover occurs between non-sister chromatids of which chromosomes? Choices: - analogous - identical chromosomes - compound chromosomes - homologous A:
Answer: homologous

Question: Q: Which important decomposers are known to live just about anywhere on earth? Choices: - protazoas - viruses - sporozoans - archeans A:
Answer: archeans

Question: Q: What is the name of the protein that is found in hairs and nails? Choices: - cellulose - chromatin - Skin - keratin A:
Answer:
keratin