Veins in leaves are composed of:
a. xylem and phloem
b. ground tissue
c. mesophyll
d. parenchyma
e. dermal tissue
e
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Why would all protozoa be expected to require large amounts of water in their habitats?
A. They require water to avoid dehydration and death. Without being in water, they would quickly dehydrate (due to their small size) and die. B. They require water to help them during photosynthesis by providing an electron source. C. They require water to move around in to seek food particles. Without water, they would be unable to move at all. D. All of the above are correct.
The portion of the DNA molecule that is ultimately translated is composed of
a. introns. b. anticodons. c. exons. d. transcriptions. e. regulatory proteins.
He structure labeled __________ in Figure 35-1 is formed in the leaf scars by vascular tissue that extends from the stem out into the leaf
T
a. 5
b. 6
c. 7
d. 8
e. 9
Which of the following medications does NOT shift potassium into the cells?
A) Insulin B) Albuterol C) Bicarbonate D) 50% dextrose