click below
click below
Normal Size Small Size show me how
Cells 1
Cell Macromolecules
Question | Answer |
---|---|
In a condensation (synthesis) reaction, ________, and in this process water is __________. | monomers are assembled to produce a polymer.....produced |
The __________ __________ is made up of two concentric membranes and is continuous with the membrane of the endoplasmic reticulum. | nuclear envelope |
All cells have all the following structures except: | Cell wall |
The alpha helix and the beta pleated sheet are both common forms found in which level of structure of proteins? | secondary |
Cells of different types can have different chemical requirements. | True |
Which type of lipid is most important in biological membranes? | phospholipids |
Glycerol is a three-carbon compound that connects the fatty acid tails with the polar head group in phospholipids. | True |
Which of the following is a characteristic of eukaryotes but NOT of prokaryotes? | The genetic material is surrounded by its own phospholipid bilayer, distinct from the phospholipid bilayer that surrounds the cell |
Amino acids in a polypeptide chain (primary protein structure) are linked by: | Peptide bonds |
All of the following molecules are proteins EXCEPT | ribozymes |
Disaccharides consist of a sugar covalently linked to another molecule such as an amino acid or a nucleotide. | False |