Worksheets1.3 Biomolecules
Total questions: 31
Worksheet time: 16mins
4. A single atom of carbon may form up to ____ covalent bonds
a. formation of a macromolecule
b. bond breakage
c. lipid molecule
d. nucleic acids
e. proteins
9. What kind of reaction produces large molecules by linking small molecules
c. dehydration
a. a 1:2:1 ratio
b. carbon, hydrogen and oxygen
c. a backbone of five to six carbon atoms
d. a ring shape
e. the presence of glycerol
e. BOTH monosaccharides and six-carbon sugars
a. form rings with the same number of sides
b. both have two oxygen atoms as part of their ring structure
c. both have identical functional groups
d. contain the same number of carbon atoms
a. have the same number of oxygen atoms
b. have the same structural formulas
c. are the two components of sucrose
e. are both components of RNA
a. two molecules of fructose
b. two molecules glucose
c. a molecule of fructose and a molecules of glucose
d. a molecule of fructose and a molecules of galactose
e. a monosaccharide
16. Glycogen is a polysaccharide used for energy storage in ______
a. a polysaccharide
b. a component of cell membranes
d. formed by hydrolysis
e. a component of invertebrate exoskeletons
18. Which of the following does NOT describe some aspect of polysaccharides?
b. straight or branched
d. contain only carbon, hydrogen, and nitrogen
e. produced by dehydration reactions
a. composed of many linked monosaccharides
b. may be straight and unbranched or highly branched
c. most likely made of glucose molecules
d. may be insoluble due to their large structure
e. are formed by cleavage reactions
a. have no fatty-acid
b. consist of four rings
c. may have different functional groups
d. are a specialized type of lipid
e. are described by all of these
a. has a rigid backbone of four carbon rings
b. is the most common steroid in animal tissue
c. is a lipid without a fatty acid
d. is needed to produce sexual development hormones
24. ____ are long-chain fatty acids attached to alcohols
a. have fewer hydrogen atoms than do saturated fats
b. are more characteristic of animal fats than plant fats
c. have no double bonds
d. are solid at room temperature
a. yield less energy per gram than do carbohydrates.
b. include cartilage and chitin
c. include fats consisting of one fatty-acid molecules and three glycerol molecules.
d. are composed of monosachharides
a. the same number of double bonds.
b. one or more fatty acids.
c. four rings of carbon to which other atoms are attached.
d. the same functional groups.
e. the same number and positions of double bonds.
28. The sequence of amino acids is the ____ structure?
29. Amino acids are linked by what kind of bonds?
30. The interaction of several polypeptide chains in a hemoglobin molecules is it's ______________ structure
31. Denaturation of proteins may result in all of the following EXCEPT
a. breakage of hydrogen bonds
b. loss of three-dimensional structure
c. removal of R groups from amino acids
d. alteration of enzyme fucntion
e. endangerment of a cell's life
b. a phosphate
c. a nitrogenous base
d. a sugar group
34. Which molecule is incorrectly matched with its monomer
e. nucleic acids; Nucleotide
