A portion of the heme group of a dead red blood cell is converted to bilirubin and mixed with

a. plasma.
b. bile.
c. HCl.
d. mucus.
e. urine.


B

Biology & Microbiology

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A random change in allele frequency over time that is brought about by chance alone is known as ____

a. genetic drift b. gene flow c. natural selection d. disruptive selection e. balanced polymorphism

Biology & Microbiology

Protein is typically part of the globular filtrate.

a. true b. false

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An organism's fitness is measured by 

A. the number of offspring it has. B. the size of the population of which it is a member. C. how long it lives compared to others in its species. D. All of these answers are true.

Biology & Microbiology

A disease of birds that can be transmitted to humans is (campylobacteriosis/Lyme/ornithosis).

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

Biology & Microbiology