Bio 6A/C - DNA Components and Changes/Mutations (Part 2 - Ch. 9 HOLT Biology)
Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
Griffith’s transformation experiments a. | changed proteins
into DNA. | b. | caused harmless bacteria to become
deadly. | c. | resulted in DNA molecules becoming
proteins. | d. | were designed to show the effect of heat on
bacteria. | | |
|
|
|
2.
|
Avery
and his research team concluded that a. | RNA was the genetic material. | b. | protein bases
were the genetic material. | c. | DNA and RNA were found in the human
nucleus. | d. | DNA was the genetic material. | | |
|
|
|
3.
|
All
of the following are true of the viruses Hershey and Chase used in their study
except a. | they consisted
of DNA surrounded by a protein coat. | b. | they injected their DNA into cells. | c. | they destroyed
the DNA of the infected bacteria. | d. | they caused infected bacteria to make many new
viruses. | | |
|
|
|
4.
|
The
scientist who worked with Martha Chase to prove that genetic material is composed of DNA
was a. | Alfred
Hershey. | c. | Francis
Crick. | b. | Oswald Avery. | d. | Rosalind Franklin. | | | | |
|
|
|
5.
|
Molecules of DNA are composed of long chains of a. | amino
acids. | c. | monosaccharides. | b. | fatty acids. | d. | nucleotides. | | | | |
|
|
|
6.
|
Which
of the following is not part of a molecule of DNA? a. | deoxyribose | c. | phosphate | b. | nitrogen base | d. | ribose | | | | |
|
|
|
7.
|
A
nucleotide consists of a. | a sugar, a protein, and adenine. | b. | a sugar, an
amino acid, and starch. | c. | a sugar, a phosphate group, and a nitrogen
base. | d. | a starch, a phosphate group, and a nitrogen
base. | | |
|
|
|
8.
|
The
part of the molecule for which deoxyribonucleic acid is named is the a. | phosphate
group. | c. | nitrogen
base. | b. | sugar. | d. | None of the above | | | | |
|
|
|
|
|
|
9.
|
The
entire molecule shown in the diagram above is called a(n) a. | amino
acid. | c. | polysaccharide. | b. | nucleotide. | d. | pyrimidine. | | | | |
|
|
|
10.
|
Watson and Crick built models that demonstrated that a. | DNA and RNA have
the same structure. | b. | DNA is made of two strands that twist into a double
helix. | c. | guanine forms hydrogen bonds with
adenine. | d. | thymine forms hydrogen bonds with
cytosine. | | |
|
|
|
11.
|
The
scientists credited with establishing the structure of DNA are a. | Avery and
Chargaff. | c. | Mendel and
Griffith. | b. | Hershey and Chase. | d. | Watson and Crick. | | | | |
|
|
|
12.
|
Watson and Crick : DNA a. | Avery : nucleotides | c. | Wilkins and Franklin : DNA | b. | Hershey and
Chase : protein | d. | Chargaff : X
rays | | | | |
|
|
|
13.
|
Which
of the following is not true about DNA replication? a. | It must occur
before a cell can divide. | b. | Two complementary strands are
duplicated. | c. | The double strand unwinds and unzips while it is being
duplicated. | d. | The process is catalyzed by enzymes called DNA
mutagens. | | |
|
|
|
14.
|
The
enzymes responsible for adding nucleotides to the exposed DNA template bases are a. | replicases. | c. | helicases. | b. | DNA polymerases. | d. | None of the above | | | | |
|
|
|
15.
|
The
enzymes that unwind DNA are called a. | double helixes. | c. | forks. | b. | DNA
helicases. | d. | phages. | | | | |
|