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