In the representation of hydrogen gas, H-H, the dash represents two electrons being shared equally
Indicate whether the statement is true or false.
ANSWER: True
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Which of the following has the highest photosynthetic efficiency in hot and dry environments?
A. C3 plants B. C4 plants C. plants undergoing photorespiration D. plants that use oxygen to produce sugars E. plants that only produce sugar in the dark
The correct microbiological term for the sample of specimen that is put into a nutrient medium to produce a culture is ________.
A. streak B. colony C. loop D. inoculum
Selection of mates based on appearance or some other characteristic is termed:a
zygotic choice. b. sexual selection. c. postzygotic selection. d. gametic preference. e. sexual orientation
Pulmonary surfactant functions by:
a. increasing the cohesive forces of water molecules. b. increasing the surface tension of water. c. moving water across respiratory surfaces. d. preventing the alveoli from expanding. e. increasing the energy required to stretch the lungs.