Glucagon is produced by the
a. adrenal cortex.
b. adrenal medulla.
c. thyroid.
d. kidneys.
e. pancreas
E
Biology & Microbiology
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Sperm
(a) are male gametes. (b) are female gametes. (c) contain yolk. (d) are produced in the ovaries.
Biology & Microbiology
Each cell contains two chromosomes with genes for the same traits; these chromosomes are called ________
Fill in the blank(s) with correct word
Biology & Microbiology
The atomic number of nitrogen is 7. Nitrogen-15 has a greater mass number than nitrogen-14 because the atomic nucleus of nitrogen-15 contains _____
A) 7 neutrons B) 8 neutrons C) 8 protons D) 15 protons
Biology & Microbiology
A population of fungi in a yard produces 10 mushrooms in year 1, 20 in year 2, and 40 in year 3. If this trend continues, by year 5 there will be ________ mushrooms
A) 40 B) 80 C) 160 D) 320
Biology & Microbiology