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DNA Structure
Test Description: DNA Structure
Instructions: Answer all questions to get your test result.
1) What are the parts that make up a nucleotide?
A
sugar, phosphate, nitrogenous base
B
phosphate, amino acid, deoxyribose
C
sugar, deoxyribose, nitrogenous base
D
nitrogen base, amino acid, phosphate
2) What is the complementary DNA bases for the following strand: TAC CGA CGT
A
AUG GCU GCA
B
TAC CGA CGT
C
ATC GCT GCC
D
ATG GCT GCA
3) The center of the DNA molecule, the rungs of the ladder, are composed of
A
nitrogen bases
B
only phosphates
C
sugars
D
deoxyribose and phosphates
4) Which way do the nitrogenous bases in DNA pair up?
A
A and C; T and G
B
A and A; T and T; G and G; C and C
C
A and T; G and C
D
A and G; T and C
5) The backbone of DNA, (in other words, the sides of the DNA molecule), are composed of
A
phosphates and nitrogen bases
B
deoxyribose only
C
nitrogen bases
D
sugars and phosphates
6) Rosalind Franklin's x-ray diffraction images of DNA gave Watson and Crick information about DNA's
A
structure
B
function
C
location in the cell
D
nitrogen bases
7) The monomer of DNA is a(n)
A
amino acid
B
lipid
C
monosaccharide
D
nucleotide
8) The structure of DNA is referred to as a
A
single strand
B
single helix
C
double helix
D
x-ray diffraction
9) The sugar molecule of DNA is referred to as
A
nucleotide
B
deoxyribose
C
ribose
D
phosphate
10) DNA is found in this organelle within eukaryotic cells.
A
nucleus
B
mitochondria
C
ribosome
D
nucleoid region
*select an answer for all questions
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