Which of the following statements about DNA is false?
TUTORIAL CHAPTER 5: EXPRESSION OF BIOLOGICAL INFORMATION

Quiz
•
Biology
•
1st Grade
•
Medium
Noor hazwani Nazri
Used 198+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
DNA is capable of forming many different sequences.
DNA contains thymine instead of uracil.
DNA is double-stranded rather than single-stranded.
DNA is only found in eukaryotic cells.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The information carried by DNA is incorporated in a code specified by the:
phosphodiester bonds of the DNA strand
number of separate strands of DNA.
size of a particular chromosome.
specific nucleotide sequence of the DNA molecule.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The two molecules that alternate to form the backbone of a polynucleotide chain are:
adenine and thymine.
cytosine and guanine.
sugar and phosphate.
base and sugar
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of chemical bond is found between paired bases of the DNA double helix?
Hydrogen
Ionic
Covalent
Phosphate
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following represents a similarity between RNA and DNA?
Bothe are double-stranded and found exclusively in the nucleus.
The presence of uracil.
The presence of an OH group on the 2’ carbon of the sugar.
Nucleotides consisting of a phosphate, sugar and nitrogenous base.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The strands that make up DNA are antiparallel. This means that...
the twisting nature of DNA creates nonparallel strands.
the 5’ to 3’ direction of one strand runs counter to the 5’ to 3’ direction of the other strand.
base pairings create unequal spacing between the two DNA strands.
one strand is positively charged and the other is negatively charged.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What kind of molecule or substance is the primer that is used to initiate the synthesis of a new DNA strand?
RNA
DNA
Protein
phosphate
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