Which of the following is an example of potential rather than kinetic energy?
A) the muscle contractions of a person mowing grass
B) water rushing over Niagara Falls
C) light flashes emitted by a firefly
D) a molecule of glucose
E) a crawling beetle foraging for food
Answer: D
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A _______ uses the lytic cycle to begin the immediate manufacture of new phages in the host cells
A. virulent phage B. temperate phage C. bacteria D. eukaryotic cell
All types of internal fertilization require
A. specialized anatomical structures. B. physical joining of male and female. C. transfer of a spermatophore to the female reproductive tract. D. a terrestrial environment. E. both a terrestrial environment and accessory sex organs.
Which of the following statements about deserts and the organisms that live there is true?
A) Air temperatures in cold deserts, such as those west of the Rocky Mountains, may never fall below 30 degrees C. B) Growth and reproduction occur year-round in deserts. C) Deserts typically occur at the equator. D) Desert plants typically produce very few seeds. E) Many desert animals are nocturnal.
Infections with some viruses may induce chromosomal changes that alter the growth properties of host cells
Indicate whether the statement is true or false