Cell membrane

Question 1
Triglycerides are

1. formed by combining a total of four molecules
2. the major components of cell membrane
3. informational molecules
4. held by hydrogen bonds between OH and COOH groups
   A. 1 only
   B. 2 and 3 only
   C. 4 only
   D. All of the above
   Answer:
   Question 2
   Which of the following descriptions regarding Gram staining is correct?
   A. A purple dye is used to stain the lipopolysaccharides (LPS)
   B. An electron microscope is a necessary tool for Gram staining
   C. Prokaryotic and eukaryotic cells can be differentiated
   D. Gram-negative cells also gain a color
   Answer:
   Question 3
   Typically, the most abundant macromolecule and element that can be found in
   a cell belong to

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