Wild mustard was selective bred to produce a group of vegetables notable for their: a. increased yield b. better resistance to pests c. increased nutritional value d. variety in growth or flowers, buds, and stems

D. Variety in growth or flowers, buds, and stems

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

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