Question 1Triglycerides are1. formed by combining a total of four molecules2. the major components of cell membrane3. informational molecules4. held by hydrogen bonds between OH and COOH groupsA. 1 onlyB. 2 and 3 onlyC. 4 onlyD. All of the aboveAnswer:Question 2Which 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 stainingC. Prokaryotic and eukaryotic cells can be differentiatedD. Gram-negative cells also gain a colorAnswer:Question 3Typically, the most abundant macromolecule and element that can be found ina cell belong to