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DNA
Test Description: DNA
Instructions: Answer all questions to get your test result.
1) What shape does a DNA molecule take?
A
double ladder
B
single helix
C
stair case
D
double helix
2) Adenine, Thyamine, Guanine, and Cytosine are the 4 __________ of DNA.
A
phosphate groups
B
sugars
C
nitrogenous bases
D
forces
3) Which base pairing below is INCORRECT?
A
G-C
B
A-G
C
A-T
D
C-G
4) The monomers of a DNA molecule are known as _______.
A
nucleotides
B
nucleosomes
C
amino acids
D
chromosomes
5) Long strands of tightly wound DNA are known as _________.
A
genes
B
nucleotides
C
chromosomes
D
genomes
6) Genes and chromosomes are made of _________.
A
proteins
B
amino acids
C
traits
D
DNA
7) A single gene codes for a single _________.
A
chromosome
B
protein
C
DNA strand
D
nucleotide
8) Adenine complements ____________ and Guanine compliments ___________ in a double strand of DNA.
A
Thyamine, Cytosine
B
Thyamine, Guanine
C
Guanine, Cytosine
D
Thyamine, Adenine
9) What type of bond holds the complimentary strands of DNA together?
A
covalent
B
really strong ones
C
ionic
D
hydrogen
10) The 3 parts of a nucletide are _______________.
A
sugar, phosphate group, nitrogenous base
B
sugar, phosphate group, amino acid
C
nitrogen, sugar, nitrogenous base
D
protein, sugar, nitrogen
11) What would the complimentary piece of DNA made during replication be for ATTCGC
A
TTTGGG
B
None of the options
C
TAAGCG
D
ATTCGC
12) Who is credited with describing the shape of DNA?
A
Jacob Burskey
B
Larry S., Curly S., Moe S.
C
James Watson, Francis Crick, and Rosalind Franklin
D
Charles Darwin and Gregor Mendel
13) Genes are located on _____________.
A
chromosomes
B
clothes racks
C
proteins
D
nucleotides
14) In the ladder anology of the DNA molecule, the rungs or steps of the ladder are:
A
sugars
B
phosphates
C
paired nitrogenous bases
D
paired sugar and phosphate
15) When does DNA replication occur?
A
before cellular respiration
B
before cell division
C
after cell division
D
after cellular respiration
*select an answer for all questions
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