Which of the following parts of a plant seed turns into the root system?
a. cotyledon
b. epicotyl
c. hypocotyl
d. radicle
Ans: d. radicle
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This tissue lines blood and lymph vessels
a. A b. B c. C d. D e. E
Metanephridial organs are common in:
a. mollusks. b. flatworms. c. cnidarians. d. sponges. e. insects.
Intercalated disks in cardiac muscle
A. are a type of gap junction. B. allow all of the muscle fibers in an area to contract at the same time. C. prevent the cells from pulling apart. D. reduce the electrical resistance between cells allowing APs to pass more easily from cell to cell. E. All of these are correct.
A compound is extracted from a microbial culture and is modified in the laboratory for use as an oral medication. This product would be a(n)
A) antibiotic. B) analog. C) semisynthetic antimicrobial. D) synthetic antimicrobial. E) probiotic.