Which human excretory structure aids in the maintenance of normal body temperature?
(1) sweat gland.
(2) liver.
(3) nephron.
(4) urinary bladder.

Which would be the outcome in a fertilized egg if the process of meiosis did not occur? twice as many chromosomes as the parents half as many chromosomes as the parents same number of chromosomes as the parents triple the number of chromosomes as the parents?

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content