____ nucleotides form the code for one amino acid
a. Two
b. Three
c. Six
d. Nine
e. Twelve
b
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Deinococcus radiodurans is capable of withstanding especially high levels of radiation, and the carotenoids they produce enhance this resistance
Indicate whether the statement is true or false.
Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called
A. xylem. B. spongy mesophyll. C. pneumatophores. D. aerenchyma. E. epidermal tissue.
In most animals, the sperm and egg contribute an equal __________ to the zygote
a. amount of cytoplasm b. number of chromosomes c. number of enzymes d. number of mitochondria e. number of ribosomes
The sample size equals the number of fish in each stream
a. true b. false