To survive, grow, and reproduce, plants must maintain a ________ carbon balance
Fill in the blank(s) with correct word
positive
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Early microscopes did not allow clear visualization of cells because they were limited by
A) magnification. B) number of kernels. C) resolution. D) refraction. E) both choices A and C
The purpose of the light reactions is to produce ____.
A. O2, ATP, and NADP+ B. O2, ATP, and NADPH C. ATP and NADP+ D. ATP and NADPH E. CO2 and ATP
If cowbird eggs are laid in an oropendola nest in the open woodlands of Central America, what would be the expected
outcome?
a. The cowbird eggs would be ejected from the nest to eliminate the competition. b. The cowbird eggs would be ejected from the nest due to a reaction of the mother bird's immune system. c. The cowbird eggs would not be ejected from the nest because they provide an additional food source. d. The cowbird eggs would not be ejected from the nest because they provide protection from large predators. e. The cowbird eggs would not be ejected from the nest because they provide protection from parasites.
The drug diethylstylbestrol, or DES, mimics estrogen and interferes with the development of the fetal uterus. What is this drug considered?
A) a hormone B) as good as estrogen C) an endocrine disruptor D) a good form of birth control