I'm not completely sure, but I'd say D.
Answer:
Photosynthesis releases oxygen
Explanation:
and oxygen is used for breathing if you didn't know :D
Answer: B
Explanation:
A - not correct since polypeptide chains are formed in ribosomes which exist in the cytoplasm
C. not correct -protein function is determined by DNA
D. not correct - 3 nucleotides aka a codon is encoded into a single amino acid.
The gametes are formed by cellular reproduction process of meiosis.
Meiosis is the cell division that splits the chromosomes into half the number resulting in four haploid cells. The daughter cells are completely different from the parent cell.
Hence the option Meiosis is the right answer
85% of adults are grandparents by age 65. This estimation has been made in the U.S. from the surveying of the elderly. So, the correct choice is the third option: 85.
Let me know if you need further info. :)
- Dotz
