Which of the following conditions if present in the
earth’s primitive atmosphere would have made the
emergence of life impossible?
a. low concentration of carbon dioxide
b. high concentration hydrogen sulfide
c. high concentration of oxygen
d. high concentration of hydrogen
e. high concentration of nitrogen
Answer: c
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What is a function of prokaryotic common pili?
a. biofilm formation b. transfer of DNA c. protein polymerization d. energy production e. lipid synthesis
An individual is unable to detect any chemicals. Which of the following would retain function?
1.free nerve endings 2.hair cells 3.taste receptors 4.olfactory receptors
Fill in the blanks to complete the following statements. ?
Organisms that carry a disease agent to the host are referred to as _______________.? Fill in the blank(s) with correct word
Compare and contrast the ways in which animal, plant, and bacterial viruses gain entry into their host cells
What will be an ideal response?