Protein carrier-mediated transport of molecules display ________.

specificity
competition
saturation
All of the choices are correct.


all of the choices are correct

Biology & Microbiology

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Cerebrospinal fluid occupies the space between the:a

dura mater and skull. b. dura mater and pia mater. c. arachnoid and pia mater. d. pia mater and brain. e. dura mater and arachnoid.

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Which of the following statements is true regarding Frederick Griffith's experiments?

a. He demonstrated that proteins serve at the genetic/hereditary material. b. He demonstrated that DNA serves as the genetic/hereditary material. c. He demonstrated that (only) dead virulent bacteria cause pneumonia in mice. d. His experiments relied on RNase and DNase to identify the genetic/hereditary material. e. None of the above

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The zoonosis known as RMSF is the result of infection with Rickettsia (prowazekii/rickettsii/typhi)

What will be an ideal response?

Biology & Microbiology

Mutation rates:

A) are equal in all species; this is why we can accurately calibrate a molecular clock. B) can be synonymous or non-synonymous. C) tend to be higher in E. coli than in Homo sapiens. D) can be affected by environmental factors. E) are generally unimportant in evolution.

Biology & Microbiology