Answer the following questions true (T) or false (F)

1. Equilibrium species are usually limited by density dependent factors.

2. Life tables are used to predict how many individuals will be born in any specific year.

3. Total human fertility rates have dropped globally in the past 50 years.


1. TRUE
2. FALSE
3. TRUE

Biology & Microbiology

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A) E site B) P site C) A site D) the small ribosomal subunit

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Rarely, a chromosome’s structure becomes altered

when part of it undergoes __________, __________, __________, or __________. Fill in the blank(s) with the appropriate word(s).

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The voltage across a membrane is called the _____

A) chemical gradient B) membrane potential C) osmotic potential D) electrochemical gradient

Biology & Microbiology

Pepsin digests 

A. carbohydrates. B. proteins. C. nucleic acids. D. fats.

Biology & Microbiology