Gram-negative bacteria have _____ in their lipid bilayer, but this component is not found in the lipid bilayer of Gram-positive bacteria.
A) lipoteichoic acid
B) peptidoglycan
C) phospholipid bilayer
D) lipopolysaccharide (LPS)
Ans: D) lipopolysaccharide (LPS)
Biology & Microbiology
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Which of the following is correct?
1.dragonfly and bat wings are homologous
2.dragonfly, bat and bird wings are homologous
3.dragonfly and bat wings are an example of divergent evolution
4.none of these
The membranes inside the chloroplast are called the
1.cristae. 2.stroma. 3.thylakoid membrane. 4.golgi. 5.endoplasmic reticulum.
Biology & Microbiology
What type of DNA supercoiling is the most common?
What will be an ideal response?
Biology & Microbiology
The biological species concept is inadequate for grouping
A) plants. B) parasites. C) asexual organisms. D) animals that migrate. E) sympatric populations.
Biology & Microbiology