AP Bio Unit 1 Test- Practice Test Part 3
This flashcard set focuses on identifying and comparing types of chemical bonds, such as hydrogen, ionic, and covalent bonds. It aids in understanding bond strength and electron sharing in molecular structures.
DNA contains _____ type(s) of nucleotide(s).
a. one
b. two
c. three
d. four
four
Key Terms
DNA contains _____ type(s) of nucleotide(s).
a. one
b. two
c. three
d. four
four
The thymine nucleotide is always paired with the adenine nucleotide in DNA.
a. True
b. False
True
Which of the following is considered a macromolecule?
a. nucleic acid
b. amino acid
c. fatty acid
d. none of the above
nucleic acid
Organic molecules are ones that always contain __________.
a. carbon and nitrogen
b. hydrogen and carbon
c. hydrogen and phosphorus
d. carbon and potassium
b. hydrogen and carbon
Which of the following is NOT one of the classes of primary organic molecules?
a. carbohydrates
b. proteins
c. salts
d. nucleic acids
salts
Molecules that contain only carbon and hydrogen mix easily with water.
a. True
b. False
False
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| Term | Definition |
|---|---|
DNA contains _____ type(s) of nucleotide(s). | four |
The thymine nucleotide is always paired with the adenine nucleotide in DNA. | True |
Which of the following is considered a macromolecule? | nucleic acid |
Organic molecules are ones that always contain __________. | b. hydrogen and carbon |
Which of the following is NOT one of the classes of primary organic molecules? | salts |
Molecules that contain only carbon and hydrogen mix easily with water. | False |
Since carbon has four electrons in its outermost shell it can bind to as many as | four |
Functional groups of organic molecules __________. | all of the above |
The process by which polymers are turned into monomers is called__________. | hydrolysis |
During condensation(dehydration synthesis), water and a bond are formed. | True |
Which is the INCORRECT association between monomer and polymer? | nucleic acid - polypeptide |
During hydrolysis, _____ is used to break a bond. | water |
Isomers are molecules that are identical to each other in every way. | False |
Carbohydrates typically have twice as many hydrogen atoms as they do carbon and | True |
Carbohydrates include all of the following EXCEPT ______. | phospholipid |
A dissacharide contains two monosaccharides that were hooked together by ______. | condensation |
Which of the following is an isomer of glucose? | fructose |
Dairy products contain the disaccharide _____, which some people are unable to digest. | lactose |
Plants store sugars in the form of _____ in their roots. | starch |
Which of the following functions is performed by carbohydrates? | all of the above |
Which of the following polysaccharides is found in the exoskeletons of crabs | chitin |
Cellulose is easily digested by humans. | False |
Animal cells store extra glucose as _____. | glycogen |