The outer bark of a woody stem is produced by
a. cork cambium.
b. inner bark.
c. parenchyma.
d. vascular cambium.
A
Biology & Microbiology
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Biology & Microbiology
The microtubules making up the mitotic spindle attach to specialized structures called ____ that are found in the centromere region of the chromosome.
a. nucleosomes b. centrosomes c. kinetochores d. chromatids e. centrioles
Biology & Microbiology
The size of DNA is often given in the number of ________ that it contains.
A. triplets B. genes C. base pairs D. proteins E. codons
Biology & Microbiology
Ingenhousz showed that plants produce oxygen bubbles when exposed to
a) ATP. b) carbon dioxide. c) light. d) a burning candle.
Biology & Microbiology