Tetrazolium chloride is used by the seed industry to indicate
a. if a seed is undergoing photosynthesis.
b. if seeds are undergoing aerobic respiration.
c. if seeds are alive.
d. both b and c.
d
Biology & Microbiology
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The smallest branches of ____ end with a large flame cell
a. nephrons b. hepatic tubules c. metanephridia d. Malpighian tubules e. protonephridia
Biology & Microbiology
What do mosses and other nonvascular plants
have that seed plants don’t have?
a. spores b. gametes c. gametophytes d. sporophytes e. flagellated sperm
Biology & Microbiology
Which of the following would be more likely to affect an animal's habitat than its niche?
a. rainfall b. prey abundance c. predators d. defense mechanisms e. species interactions
Biology & Microbiology
In the establishment of rhizobia in a legume, infection threads are found in the:a
stele. b. cortex. c. root hairs. d. xylem. e. phloem.
Biology & Microbiology