What would the result be if histamine and nitric oxide were NOT secreted during a puncture injury?

A. The blood vessels would dilate.
B. The blood vessels would be more permeable.
C. The blood mast cells would constrict.
D. Healing would be slower.
E. Healing would not take place at all.


D. Healing would be slower.

Biology & Microbiology

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A. true B. false

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The electronic configuration of the noble gas Neon, which has an atomic number of 10, can be written as follows: 1s22s22p6 . What is the electronic configuration of the noble gas Argon, which has an atomic number of 18?

A. 1s22s23p64s25p6 B. 1s22s83p8 C. 1s22s22p63s23p6 D. 1s22s62p23s63p2

Biology & Microbiology

Synthetic auxins are used as

a. pesticides. b. herbicides. c. fungicides. d. insecticides. e. all of these.

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Bacteria are able to increase their genetic variability by reproducing sexually

Indicate whether the statement is true or false

Biology & Microbiology