Choose the letter of the best match from the following:A. birth control pillB. intrauterine deviceC. diaphragmD. foams and jelliesE. vasectomyPrevention of embryo implantation.

Fill in the blank(s) with the appropriate word(s).


Answer: B

Biology & Microbiology

You might also like to view...

Chemokines are a group of small proteins that

A) attract T cells to sites of injury. B) function as chemoattractants for phagocytes and lymphocytes. C) potentiate specific immune responses. D) attract T cells, phagocytes, and lymphocytes, as well as potentiate specific immune responses.

Biology & Microbiology

In the light-independent reactions, _____

a. carbon dioxide is fixed d. CO2 accepts electrons b. ATP forms e. ATP forms and sugars form c. sugars form f. carbon dioxide is fixed and sugars form

Biology & Microbiology

Adjustable gastric band procedure

What will be an ideal response?

Biology & Microbiology

The rate of extinction picks up dramatically during a(n) __________, when a large proportion of Earth's organisms become extinct in a relatively short period of geologic time.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology