Prokaryotes reproduce by means of meiosis.
a. true
b. false
b. false
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Elements that are required in relatively large amounts by microorganisms are called
A. macronutrients. B. meganutrients. C. multivitamins. D. macromolecules.
An embryo with one X and one Y chromosome will develop male characters because of
a. the presence of female hormones in development. b. the absence of testosterone during early embryology. c. the SRY regions of the Y chromosome. d. maternal substances passed to the zygote during fertilization. e. human chorionic gonadotropin.
The graphs below show data relating to seasonal differences in the amount of pigment molecules present in leaves and how this is related to leaves changing colors
a) the season in which the measurements were taken b) the difference in pigment between spring and fall c) the measure of the amount of each pigment molecule presents in leaves d) time at which the amount of pigment was measured e) the wavelengths of light reflected by each photosynthetic pigment
In photosynthesis, an H+ ion gradient forms across the ________
A) thylakoid membrane B) outer chloroplast membrane C) endomembrane D) inner chloroplast membrane