Which of the following organs of the endocrine system secretes melatonin?
a. pituitary gland
b. pancreas
c. pineal gland
d. adrenal glands
e. thyroid gland
C
Biology & Microbiology
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The cause of malaria is a ____
a. Pseudomonas b. Phytophthora c. Plasmodium d. Physarum e. Phytophthora
Biology & Microbiology
Simple sugars are linked together to form polysaccharides by
1.hydrolysis reactions. 2.condensation reactions. 3.ionic bonds. 4.hydroxyl groups.
Biology & Microbiology
Actin is a structural subunit of
a. myosin. b. microtubules. c. intermediate filaments. d. microfilaments. e. all of these.
Biology & Microbiology
________ wrap aroung neurons in the preiheral nervous system, covering them with layers of plasma membrane.
A. Schwann cells B. oligodendrocytes C. microglia D. astrocytes
Biology & Microbiology