Which of the following DNA sequences is complementary to the base sequence ACCGTAT?

TGGCATA is the complementary DNA strand.

Explanation:

A=T  C=G  G=C  T=A

this is the key

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.

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