All of the following contraception techniques are aimed at preventing fertilization EXCEPT
a. withdrawal.
b. intrauterine device.
c. vasectomy.
d. rhythm method.
e. tubal ligation.
B
Biology & Microbiology
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Which structure is part of the brain stem?
A. thyroid B. hypothalamus C. adrenal cortex D. Medulla Oblongata
Biology & Microbiology
Compare and contrast the structure of an herbaceous eudicot stem and that of a monocot. What will be an ideal response?
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Veins primarily depend upon which of the following forces to return blood to the heart?
A. valves to prevent blood back flow B. skeletal muscle contraction C. force of blood entering from the arteries D. All of the choices apply.
Biology & Microbiology
If you observe rod-shaped red cells after the Gram stain, you can assume their cell walls contain endotoxin
Indicate whether the statement is true or false
Biology & Microbiology