The discharge of blood during the human female's period indicates that the 

A. egg is being released from the ovary.
B. lining of the uterus is being shed.
C. ovarian follicles have developed into the corpus luteum.
D. corpus luteum has developed into the ovarian follicle.


B. lining of the uterus is being shed.

Biology & Microbiology

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Substrate-level phosphorylation transfers

phosphate groups from a. substrate. b. coenzyme. c. the electron transfer chain. d. ATP. e. the Krebs cycle.

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Which one of the following is NOT a morphological type of virus?

a) Helical b) Polymorphic c) Polyhedral d) Enveloped

Biology & Microbiology

Why does DNA replication proceed continuously on the leading strand and discontinuously on the lagging strand?

a. because DNA polymerase synthesizes DNA in only one direction b. because DNA ligase operates in only one direction c. because DNA polymerase contains more than one subunit d. because DNA polymerase synthesizes DNA in two directions

Biology & Microbiology

Define induction, and describe two general types of regulatory circuits involving induction

What will be an ideal response?

Biology & Microbiology