Lignified, tube-like structures that branch throughout the body of some plants, conducting water and solutes, are called
____.
a. vascular tissues
b. apical meristems
c. root systems
d. rhizomes
e. shoot systems
ANSWER: a
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Removing which of the following glands would have the most wide-reaching effect on bodily functions of an adult human?
A) adrenal glands B) pituitary gland C) thyroid gland D) ovaries (in female) or testes (in male)
Chloroplasts are the site of ____
a. DNA synthesis b. cellular digestion c. protein synthesis d. photosynthesis e. lipid synthesis
At night, assuming no artificial lights, primarily ____
a. Pr absorbs red light and is converted to Pfr b. Pr absorbs far-red light and is converted to Pfr c. Pfr absorbs red light and is converted to Pr d. Pfr absorbs far-red light and is converted to Pr e. Pfr is converted to Pr
A(n) ___ is an embryonic form with three
primary tissue layers.
a. zygote b. gastrula c. blastula d. mesoderm e. embryo