When plants are produced by cloning, which process is most directly involved?
a. mitotic cell division
b. binary fission
c. meiotic cell division
d. gamete production
e. budding
ANSWER: a
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A muscle type that provides voluntary movement and is composed of long, cylindrical cells with multiple nuclei and obvious striations
A) Muscular
G) Respiratory
B) Reproductive
H) Skeletal
C) Digestive
I) Nervous
D) Cardiovascular
J) Endocrine
E) Integumentary
K) Lymphatic
F) Urinary
Answer the following statements true (T) or false (F)
1. Damage to the seminal vesicles would prevent sperm from becoming motile. 2. Erectile dysfunction can be treated by drugs that increase levels of nitric oxide. 3. FSH stimulates the activity of Leydig cells and LH stimulates the activity of Sertoli cells. 4. A human female has the largest number of primary oocytes at the onset of puberty. 5. FSH secreted by the pituitary stimulates fluid secretion into the antrum of the follicle.
If you wanted to stop the function of the sodium-potassium pump in a neuron, you could starve the cell of ATP because this pump is driven by
A. simple diffusion. B. active transport. C. osmosis. D. phagocytosis. E. facilitated diffusion.
Beginning with a newly formed daughter cell, what is the order of the other stages of the eukaryotic cell cycle?
A) G1, S, G2, mitosis B) Mitosis, G1, G2, S C) G1, G2, mitosis, S D) Mitosis, S, G1, G2