Which of the following is true?
a. bacteria tumble more when moving towards an antibiotic
b. bacteria runs when the flagella turns counter clockwise
c. the proton motive force powers the flagells
d. A and B
e. All of the above
Answer: e. All of the above
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Which of the following have young which feed on milk?
A. marsupials B. monotremes C. placental mammals D. placental mammals and marsupials E. placental mammals, marsupials, and monotremes
Due to character displacement, two closely related species may differ most morphologically when they
A. occupy the same niche. B. are sympatric. C. occupy different niches. D. share a common ancestor. E. are allopatric.
A cycle of biological activity that repeats around every 24 hours.
A. Circadian rhythm B. Photosynthesis C. Respiration D. Glycolysis E. Photorespiration
The promiscuity of the CRISPER-Cas9 system likely benefits bacteria by ________
A) continuing the evolutionary process B) increasing the safety of medical applications C) enabling faster search of large genomes D) facilitating defense against new viral attacks