1) A linear sequence of DNA nucleotides which provides the genetic information for a single characteristic is a _____.
a) chromosome
b) plasmid
c) gene
d) base pair
Answer: c
Difficulty: Easy
Learning Objective 1: LO 7.1 Explain the relationship between DNA, genes, and proteins whose structures are created from genetic instructions.
Section Reference 1: Section 7.1 An Overview of Genetic Processes
2) Genes with different information at the same locus are called _____.
a) chromosomes
b) homologs
c) plasmids
d) alleles
Answer: d
Difficulty: Easy
Learning Objective 1: LO 7.1 Explain the relationship between DNA, genes, and proteins whose structures are created from genetic instructions.
Section Reference 1: Section 7.1 An Overview of Genetic Processes
3) A plasmid is a/an _____.
a) extrachromosomal piece of DNA
b) chromosomal site to which genetic activity can be traced
c) body found in the cytoplasm that directs protein synthesis
d) molecule that carries the genetic message of the chromosomal DNA
Answer: a
Difficulty: Easy
Learning Objective 1: LO 7.1 Explain the relationship between DNA, genes, and proteins whose structures are created from genetic instructions.
Section Reference 1: Section 7.1 An Overview of Genetic Processes
4) A permanent alteration in the DNA of an organism is called a/n:
a) mutation
b) hereditary marker
c) replicon
d) allele
Answer: a
Difficulty: Easy
Learning Objective 1: LO 7.1 Explain the relationship between DNA, genes, and proteins whose structures are created from genetic instructions.
Section Reference 1: Section 7.1 An Overview of Genetic Processes
5) Which nitrogenous base is not normally found in DNA?
a) Guanine
b) Thymine
c) Uracil
d) Adenine
Answer: c
Difficulty: Easy
Learning Objective 1: LO 7.2 Describe the way in which an antiparallel, double-stranded DNA molecule undergoes replication and the role of each enzyme involved in this process.
Section Reference 1: Section 7.2 DNA Replication
6) In DNA, the base adenine always pairs with what other base?
a) guanine
b) adenine
c) uracil
d) thymine
Answer: d
Difficulty: Easy
Learning Objective 1: LO 7.2 Describe the way in which an antiparallel, double-stranded DNA molecule undergoes replication and the role of each enzyme involved in this process.
Section Reference 1: Section 7.2 DNA Replication
7) Replication results in the formation of what type of new molecule?
a) DNA
b) RNA
c) Protein
d) Lipid
Answer: a
Difficulty: Easy
Learning Objective 1: LO 7.2 Describe the way in which an antiparallel, double-stranded DNA molecule undergoes replication and the role of each enzyme involved in this process.
Section Reference 1: Section 7.2 DNA Replication
8) Transcription results in the formation of what type of new molecule?
a) DNA
b) RNA
c) Protein
d) lipid
Answer: b
Difficulty: Easy
Learning Objective 1: LO 7.3 Describe the transcription and translation processes and the roles of the three types of RNA molecules needed for protein synthesis.
Section Reference 1: Section 7.3 Protein Synthesis
9) The process of ________ results in the synthesis of a new protein.
a) replication
b) transcription
c) translation
d) transversion
Answer: c
Difficulty: Easy
Learning Objective 1: LO 7.3 Describe the transcription and translation processes and the roles of the three types of RNA molecules needed for protein synthesis.
Section Reference 1: Section 7.3 Protein Synthesis
10) Reverse transcription occurs when:
a) RNA is used as a template to produce DNA
b) DNA is used as a template to produce RNA
c) Protein is used as a template to produce RNA
d) RNA is used as a template to produce protein
Answer: a
Difficulty: Medium
Learning Objective 1: LO 7.1 Explain the relationship between DNA, genes, and proteins whose structures are created from genetic instructions.
Section Reference 1: Section 7.1 An Overview of Genetic Processes
