A human blastocyst normally implants in _____

a. an oviduct c. the uterus
b. a seminferous tubule d. the vagina


C

Biology & Microbiology

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Which of the following is NOT important for the adherence of bacteria to other bacteria as well as to host tissue?

A) adherence polymers B) capsule C) glycocalyx D) slime layer

Biology & Microbiology

In the respiration of terrestrial animals, “ventilation”

refers to a. the bulk movement of air in and out of the organism. b. the diffusion of gases across a membrane. c. the diffusion of gases in and out of blood cells. d. the transport of gases to and from body cells. e. all of these.

Biology & Microbiology

Describe the double-strand break model of homologous recombination

What will be an ideal response?

Biology & Microbiology

Select the type of T cell that plays a role in diminshing an immune response.

A. TH1 B. TC C. TREG D. TH17

Biology & Microbiology