A large polymeric molecule that is nonpolar over most of its structure but very polar at one end:

BIOL 101 Quiz 3

1. A large polymeric molecule that is nonpolar over most of its structure but very polar at one end:
2. A condensation reaction joins two organic molecules together creating an H+ ion and an –OH ion. These then
3. In a protein, the sequence of amino acids often folds initially into alpha helices and/or beta pleated sheets. These helices and sheets are two examples of
4. A common form of energy storage in the roots of plants:
5. The polymer _______ enables the cell’s information to flow from DNA out into the cell cytoplasm in a more expressible form.
6. Lipids are a class of molecules defined by
7. The four major classes of biomolecules are:
8. A fat molecule consists of:
9. Each of the following is the name of a class of monomers used as building blocks in the polymers of living organisms except for
10. The structure of testosterone could best be described as
11. A sugar is a carbohydrate because a sugar molecule
12. The bases in a DNA molecule include all of the following except
13. Polymers are degraded by the cell into monomers in a process in which the __________ from a water molecule stabilize the broken _________ in the polymer molecule.
14. Which of the following is not a lipid?
15. The function of glycogen is to
16. The carbon atom is uniquely suited to building large molecules because it:
17. Polymers of amino acids that are linked in linear chains and that contain atoms of nitrogen are called:
18. The tertiary structure of a protein describes its
19. Which base is used in RNA but not DNA?
20. A five‐carbon sugar that is bonded to a nitrogen‐containing base and to either one, two or three phosphate groups is known as a(n) _________ monomer.
21. A single‐stranded polymer whose monomers contain the sugar ribose and the nitrogenous base uracil:
22. Animal fats tend to be _______________ hydrogen atoms.
23. Which of the following molecules is a polymer?
24. The structure of a phospholipid molecule admirably suits it to the function of
25. When a single hemoglobin subunit picks up an oxygen molecule