Answer: e. prokaryotic cells lack nuclei.
Explanation: Prokaryotes are unicellular (single-cell) organisms that lack well developed cell internal membrane-bound structures or organelles. They do not have a nucleus but generally, they have a single chromosome that possess a double-stranded DNA located in an area of the cell called the nucleoid. Most prokaryotes have a cell wall outside the plasma membrane.
Answer:
When minute samples of DNA need to be genetically analyzed for identification purposes, which test can be effectively used? Fluorescent dye can be used as a label to trace antibody-antigen reactions in an ELISA assay
Molly's kidney will adapt to this sodium meal by increasing the sodium content of the urine and later decreasing the amount of pure water in the urine. Its accomplished through the hormone aldosterone. as dietary sodium level increases, the secretion of aldosterone decreases resulting in an increase loss of sodium from body and decreases loss of pure water.
