Multiple Choice
In 2009,which of the following did scientists discover was possible on early Earth?
A) abiotic synthesis of RNA monomers
B) bacterial cell walls made mainly of chitin
C) gram-positive bacteria with outer membranes that contain lipopolysaccharides
D) gram-negative bacteria with cell walls composed of a thick layer of peptidoglycan
Correct Answer:
Verified
Correct Answer:
Verified
Q73: The following questions refer to Figure 27.1.<br>In
Q88: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7910/.jpg" alt=" -The predatory bacterium
Q89: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7910/.jpg" alt=" Which photograph in
Q90: The first genetic material on early Earth
Q91: Which of these statements about prokaryotes is
Q92: Several scientific laboratories across the globe are
Q94: On early Earth,what substance is hypothesized to
Q95: Which of the following is likely the
Q96: This bacterium derives nutrition by digesting human
Q97: Which portion of a typical prokaryotic flagellum