The process by which glands release enzymes to aid in digestion is ____
a. motility
b. secretion
c. digestion
d. absorption
e. elimination
ANSWER: b
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Where do the carbon atoms in glucose come from?
A. Sunlight B. Carbon dioxide C. Water D. NADPH
Linked genes, by definition, are genes that Select one:
a. have more alleles than usual. b. are found in the same species. c. are alleles that are found in different daughter cells. d. are found on the same chromosome. e. have no alleles.
What are alleles?
A. the dominant form of a gene B. the locations of genes on a chromosome C. genes for different traits, such as hair color or eye color D. alternative forms of a gene for a single trait, such as blue eyes or brown eyes E. the recessive form of a gene
The cells that surround each stoma and control its opening and closing are
A. sieve tube cells. B. vascular cells. C. companion cells. D. pith cells. E. guard cells.