If a plant is placed on its side, cells on the lower side of the stem will respond to gravity and elongate, making the stem turn so that it continues to grow downward.
Answer the following statement true (T) or false (F)
False
If a plant is laid on its side, cells on the lower side of the stem will respond to gravity and elongate, making the stem turn so that it continues to grow upward, not downward as suggested.
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Which of the following statements about European digger wasps, Philanthus triangulum, is not correct?
A. These wasps live and nest in the sand. B. After mating, each female digs a burrow and lays her eggs in a few chambers at the end. C. After foraging for honeybees to feed her larvae, she finds her nest in the sand using her specialized olfactory sheet. D. After foraging for honeybees to feed her larvae, she finds her nest in the sand using local landmarks around the nest. E. The wasp is capable of learning.
Which of the following are arranged in the sequence in which the various taxa first appeared in time?
A. bacteria, protists, charophyceans, liverworts, lycophytes, gnetophytes, angiosperms B. Archaea, protists, charophyceans, mosses, ferns, conifers, flowering plants C. bacteria, protists, charophyceans, mosses, cycads, angiosperms D. prokaryotes, protists, charophyceans, mosses, ferns, conifers, flowering plants E. All the other choices provided are correct
Triticale is an allopolyploid hybrid between wheat and rye. Some strains of Triticale show agricultural promise because (Select all that apply.)
A) they combine the high yields of wheat with the ability adapt to unfavorable environments like rye. B) the grain is high in protein, especially the amino acid lysine. C) they combine desirable traits from wheat and rye in one crop plant. D) they are sterile because the wheat and rye chromosomes cannot pair during meiosis.
Proteins consist of
a. monosaccharides linked in chains. b. amino acid units. c. polysaccharide units. d. condensed fatty acids.