Answer the following statements true (T) or false (F)
1.Calcitonin and parathyroid hormone have effects which generally oppose one another.
2.Neurotransmitters and hormones never share the same target cells.
3.The two hormones produced by the thyroid are thyroxine and triiodothyronine.
4.Exercise leads to weaker muscles due to the repeated strain, which damages the muscle.
5.The temporalis muscle is critical for chewing.
1.TRUE
2.FALSE
3.TRUE
4.FALSE
5.TRUE
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Most of the following species are invasive exotics. Select the exception
a. Atlantic cod b. kudzu c. starlings d. hemlock wooly adelgid e. Africanized honeybee
An action potential is a brief reversal of the __________ potential. Fill in the blank(s) with the appropriate word(s)
What role do the alpha subunits of RNA polymerase play in promoter binding?
a. They bind to UP elements. b. They bind to both the -10 element and -35 box. c. They bind only to the -35 box. d. They bind to the startpoint. e. They bind only to the -10 element.
Please match the descriptions with the correct bacterial genus to test your understanding of curve-shaped bacteria.
S-shaped spiral bacterium A) Helicobacter B) Campylobacter C) Vibrio