As a consequence of the work of the biologist Theodor Engelmann, others showed that chloroplasts absorb light mainly in the _________ and _________ part of the spectrum.

A. blue-violet ... red-orange
B. blue-violet ... green
C. infrared ... ultraviolet
D. blue ... red


A. blue-violet ... red-orange

Biology & Microbiology

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This example represents what type of competition?

a. intraspecific b. interspecific

Biology & Microbiology

Steroid hormones are nonpolar molecules derived from cholesterol

a. True b. False

Biology & Microbiology

Asexual reproduction in flowering plants does not usually involve the formation of:

a. plantlets, stolons, or seeds. b. suckers, corms, or rhizomes. c. flowers, seeds, or fruits. d. bulbs, rhizomes, or seeds. e. flowers, bulbs, or stolons

Biology & Microbiology

A circuit of neurons that helps in the automatic response to a stimulus is a(n) ________

Fill in the blank(s) with correct word

Biology & Microbiology