Microorganisms do not generally reproduce sexually; therefore, species are usually defined by phenotypic and genotypic similarities.
Answer the following statement true (T) or false (F)
True
You might also like to view...
In a bacterium, we will find DNA in _____
A) a membrane-enclosed nucleus B) mitochondria C) the endoplasmic reticulum D) the nucleoid E) ribosomes Answer: D
Electrons move between PSII and PSI via __________
A. cytochrome b6f B. water C. chlorophyll D. NADP+ E. NADPH
Which of the following statements is true regarding the wavelengths of light used in photosynthesis?
A. The smaller the wavelength of light, the more energy associated with it, so plants only use the lowest wavelengths of light in order to be most efficient at photosynthesis. B. The smaller the wavelength of light, the more energy associated with it. However, the pigments in plants can only absorb light within specific ranges of wavelengths, some smaller and some larger. C. The larger the wavelength of light, the more energy associated with it, so plants use only the highest wavelengths of light in order to be most efficient at photosynthesis. D. The pigments in plants can absorb all wavelengths of light and do so for maximum photosynthetic efficiency.
A group of chemicals that at low doses reduces
fatigue and heightens awareness but at high doses elicits anxiety and irritability are a. depressants. b. stimulants. c. analgesics. d. hallucinogens. e. antipsychotics.