Which of the following plant nutrients is
mismatched with its function?
a. nitrogen--component of nucleic acids
b. phosphorous--component of proteins
c. sulfur--component of chlorophyll
d. iron--enzyme cofactor
e. all of these plant nutrients are matched
correctly with their functions
C
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Explain why infertility in women increases with advancing age, and how ART methods can overcome this problem in older women
What will be an ideal response?
The parathyroid gland ____
a. functions in regulation of sodium levels in the blood b. produces numerous hormones active in regulating downstream endocrine glands c. is the largest gland outside the hypothalamus d. produces only a single hormone, the thyroid regulating hormone e. produces only a single hormone, the parathyroid hormone
If a couple is planning on having two children, what is the probability that both will be male?
a. 0 b. 1/4 c. 1/2 d. 3/4 e. 1
A-T base pairs in a DNA double helix
A: are of a substantially different length than G-C base pairs. B: are chemically distinct from G-C base pairs. C: are not accessible to DNA binding proteins. D: are more heat stable than G-C base pairs. E: form three hydrogen bonds with each other.