Answer: 19 Chromosomes in each sperm cell
Explanation:
You'd start off with 38 chromosomes from a Gamete, then it'd enter the phases of Meiosis, which during it's cell division; It splits it's chromosomes so each sperm (Or egg cell if it was a female, but not important to this question) would have 19 chromosomes. (An egg has 19, the sperm has 19)
The duplication of centrioles occurs at the same time as DNA duplication for the cell cycle; that is, in the S phase of interphase.
Answer:
1. Reusing, 2. biodegradable
Explanation:
1. Reusing waste of disposal reduces our garbage.
2. Wastes that are made up of biodegradable materials need to be recycled.
Answer:Uracil. Uracil is present in RNA and binds to adenine where as thymine is present in DNA and binds to adenine.
