At rest, a cell has a ________ charge inside the plasma membrane and a ________ charge outside the plasma membrane
Fill in the blank with correct word.
Answer: negative; positive
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A 45-year-old man living in the western United States begins experiencing headache, fever, and body aches, which he attributes to the flu. His symptoms, however, become worse, and he later develops kidney disease and acute respiratory failure. He is most likely infected with which vi-rus?
a. Rabies virus b. Adenovirus c. Norovirus d. Hantavirus
During S phase, replicated chromosomes are joined at their
A) centrosomes. B) centromeres. C) middlemeres. D) telomeres.
Which of the following is suggested by the fact that all eukaryotes have either functional mitochondria or mitochondria-like organelles?
a. Mitochondria evolved before plastids. b. Plastids evolved before mitochondria. c. Mitochondria and plastids are both chloroplasts. d. Chloroplasts are related to mitochondria but not plastids.
Marine reptiles eliminate excess NaCl by means of _____________ located near the nose or the eye.
A. Malpighian tubules B. antennal glands C. salt glands D. protonephridia E. nephrons