Seeds are mature

a. anthers.
b. ovaries.
c. ovules.
d. carpels.
e. pollen sacs.


Answer: c

Biology & Microbiology

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When Mendel crossed true-breeding yellow seed plants with true-breeding green seed plants, the offspring were genotypically:

A. yellow seed. B. green seed. C. a mixture of yellow and green seed. D. made up of a combination of yellow and green alleles.

Biology & Microbiology

Represented by only two living genera, Psilotum and Tmesipteris, ____ resemble the extinct Cooksonia. Having no

true roots or leaves, these seedless vascular plants are essentially forking green stems.

a. mosses b. whisk ferns c. ferns d. club mosses e. horsetails

Biology & Microbiology

Which statement about taste receptors is NOT true?

A. Taste receptors are found only on the tongue in animals. B. Taste receptors generate nerve impulses in associated sensory nerve fibers. C. Taste receptors recognize sweet, sour, bitter, salty and umami sensations. D. Taste receptors are chemoreceptors. E. Taste receptors are located within taste buds in humans.

Biology & Microbiology

Enzymes known as lyases participate in ________ reactions

A) anabolic B) catabolic C) both anabolic and catabolic D) neither anabolic nor catabolic E) oxidation-reduction

Biology & Microbiology