I think the first one is right !.... but the for the other one it's B .
Answer:
c. bivalents.
Explanation:
In Meiosis a bivalents are formed during the first stage of meiosis which is the prophase. The bivalent consist of a paired chromosome and four chromatids i.e two chromosomes in a tetrad. one chromosome comes from each parent.
In mitosis, a bivalent is not formed. There is the presence of chromatids, homologs, centromeres and spindles during mitosis and meiosis.
Answer:
1.) Carbon Dioxide is being used as a greenhouse, preventing the heat from turning into thermal radiation into space.
Answer:
Killer T cells release enzymes that help destroy invading foreign matter (antigens), Helper T cells, on the other hand, stimulate another type of lymphocyte known as B cells. B cells produce antibody, which is a protein made in response to a specific antigen.
What is the average number of white blood cells found per cubic millimeter of blood?
7,000
I'm not sure if right I ask my sister she is a cna
