Populations of all organisms change from one generation to the next because their DNA changes over time. This is

known as ____.



a. developmental selection
b. cellular respiration
c. experimental variables
d. genomics
e. biological evolution


e

Biology & Microbiology

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When membrane proteins on an olfactory neuron are stimulated by the binding of a specific chemical, what is the immediate result?  

A.  membrane depolarization B.  membrane repolarization C.  active ion transport D.  membrane hyperpolarization E.  neurotransmitter release

Biology & Microbiology

T-even phages ________.

A. have helical capsids B. include the poxviruses C. enter host cells by engulfment D. infect Escherichia coli cells

Biology & Microbiology

In heterozygous crosses, the phenotypic and genotypic ratios differ for completely dominant traits but

are the same for traits showing incomplete dominance. Indicate whether the statement is true or false.

Biology & Microbiology

Jason and Ellen have had sexual problems recently. Based on past relationships, he expects that women want to have more aggressive, even "rough" sex. She, however, believes a man should be gentle, loving, and romantic during lovemaking. This is an example of _____.

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

Biology & Microbiology