A waxy cuticle is secreted by _____
a. ground tissue c. a stoma
b. epidermal cells d. root hairs
B
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Certain proteins can bind to specific DNA regulatory sequences by entering
A. the major groove of the DNA and reading the nucleotide base pairs. B. the minor groove of the DNA and reading the nucleotide base pairs. C. the major groove of RNA and reading the nucleotide base pairs. D. DNA's major groove by using DNA polymerase and reading the nucleotide base pairs. E. DNA's minor groove by using DNA polymerase and reading the nucleotide base pairs.
Four of the five answers are common traits of pioneer plant species. Select the exception
a. small size b. effective seed dispersal c. brief life cycles d. tolerant of intense sunlight or extreme temperature changes e. requires nutrient rich soil
Application of synthetic gibberellins improves the
quality and marketability of a. oranges. b. grapes. c. celery. d. cabbage. e. all of these.
At the end of the electron transport system, oxygen combines with electrons and hydrogen ions to form ________, a waste product
A) urea B) FAD C) water D) NAD+ E) glucose