What is true of all genes? A:They use the same kinds of tRNA during protein synthesis b:They have the same DNA sequence c:They have the same mRNA sequence d:They code for proteins with the same amino acid sequence

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

true                                                                                                       true true true true true true

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.