Approximately how many olfactory receptors do humans have in their olfactory epithelium?

a. 10 million
b. 100,000
c. 200 million
d. 50 million
e. 500,000


A

Biology & Microbiology

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Substrate level phosphorylation reactions occur in the process of chemiosmosis

__________________ Indicate whether the statement is true or false.

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Which row represents the correct association?


A. Row 1
B. Row 2
C. Row 3
D. Row 4

Biology & Microbiology

Which of the following statements about the epicotyl is true?

A. It forms immediately above the secondary roots of a seedling. B. It remains in the ground after a seed has germinated. C. It is the portion of the stem axis that is directly below the cotyledons. D. It takes up most of the volume within a monocot or dicot seed. E. The shoot apical meristem of a seedling is located just above it.

Biology & Microbiology

Which virus employs the use of an RNA-dependent RNA polymerase?

a. dsDNA viruses b. Retroviruses c. ssDNA viruses d. +RNA viruses

Biology & Microbiology