1. Dying star
2. B
3. A and D
4. A
5. A
6. D
7. C
8. C
9. A
C. Sperm is produced in a male organism by meiosis
Answer: A. The alleles that a person has.
All cells share four common components: (1) a plasma membrane, an outer covering that separates the cell’s interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell; and (4) ribosomes, particles that synthesize proteins. However, prokaryotes differ from eukaryotic cells in several ways.
