What information is used to calculate the age-specific fertility rate, mx?

A. the net reproductive rate of females
B. total number of offspring born to females within a reproductive age class
C. the per capita growth rate of all females
D. number of female offspring born to females within a reproductive age class
E. the average age of first reproduction for females


D. number of female offspring born to females within a reproductive age class

Biology & Microbiology

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Metaproteomics is a more developed field than metatranscriptomics due to the high sensitivity of mass spectrometry

Indicate whether the statement is true or false.

Biology & Microbiology

While wastewater is in an activated sludge tank, much of the organic matter is

A) oxidized. B) adsorbed to the floc. C) incorporated into microbial cells. D) oxidized, adsorbed to the floc, and incorporated into microbial cells.

Biology & Microbiology

Morphine mimics natural pain killers called _____

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following statements concerning tumor necrosis factors (TNF) is FALSE?

a. TNF can be secreted by macrophages. b. TNF may stimulate the inflammatory response. c. The release of large amounts of TNF brings down a high fever. d. TNF kills cancer cells. e. TNF can be secreted by lymphocytes.

Biology & Microbiology