Gravitropism is a result of:
A. seed orientation at time of germination.
B. auxin concentration.
C. abscisic acid concentration.
D. decreased availability of light as you go
deeper into the soil.
E. the movement of starch-filled organelles
called statoliths.
F. auxin concentration and the movement of
starch-filled organelles called statoliths.
F
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A new dicotyledon vegetable has just been imported into the United States from Ecuador. The edible portion is a succulent stem. When you eat this tasty treat you notice a flexible stringy tissue located just inside the epidermis. Even though this new vegetable is tasty, this "stringy stuff" tends to gets caught in your teeth. Discuss several plant tissues that fit the description of this "stringy
stuff." What will be an ideal response?
An individual with nonidentical alleles for a gene is called ________ for that gene
a. recessive b. heterozygous c. hemizygous d. homozygous
What are structural homologies?
What will be an ideal response?
As radiation strikes molecules in cells, it creates ____
a. charged atoms called isotopes b. charged atoms called ions c. excess storage of tRNA d. excess copies of mRNA e. excess DNA polymerase