At the beginning of each ovarian cycle, which one of the following hormones causes the development of a primary oocyte?
A) estrogen
B) LH
C) prolactin
D) progesterone
E) FSH
E
Biology & Microbiology
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Which of the following is a reactant used in the light-dependent reactions?
a. carbon dioxide b. glucose c. oxygen d. water
Biology & Microbiology
An ________ is a group of organs that work together in the body to perform a particular function.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Hypertension damages the lining of the arterioles of the kidneys, which results in the release of molecules that further raise blood pressure. This is an example of a(n)
A) positive feedback loop. B) uncontrolled mechanism. C) controlling mechanism. D) negative feedback loop. E) electrochemical mechanism.
Biology & Microbiology
Which element is considered a macronutrient needed by plants?
A. Manganese B. Iron C. Copper D. Potassium E. Boron
Biology & Microbiology