Endodermis cells of the root secrete a waxy substance on ____
a. all of their walls
b. the walls that lead into the xylem
c. the walls adjacent to the phloem only
d. walls of the endodermis that touch each other
e. their chloroplasts
ANSWER: d
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Which of the following is not a product of the TCA cycle?
A) CO2 B) ATP C) NADH D) acetyl CoA E) FADH2
Which of the following processes takes place in the cytoplasm and involves the transfer RNA (tRNA) mediating the sequential addition of amino acids in a specific sequence that is dictated by the codon sequence of the messenger RNA (mRNA) molecule?
a. Transcription b. Initiation c. Elongation d. Termination
How are clades different from traditional Linnaean taxonomic groups?
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