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WorksheetsDNA and RNA
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What does DNA code for?
a)
Genetic instructions
b)
Protein synthesis
c)
Carbohydrate metabolism
d)
Lipid storage
2.
What is the function of RNA?
a)
Storing genetic information in the nucleus
b)
Carrying instructions from DNA for controlling the synthesis of proteins
c)
Producing energy for the cell
d)
Regulating cell metabolism
3.
What nucleotides are the components of DNA?
a)
Adenine, Thymine, Cytosine, Guanine
b)
Adenine, Thymine, Cytosine, Adenosine
c)
Thymine, Uracil, Cytosine, Guanine
d)
Adenine, Uracil, Cytosine, Guanine
4.
What nucleotides are the components of RNA?
a)
Adenine, Thymine, Guanine, Uracil
b)
Adenine, Cytosine, Thymine, Uracil
c)
Adenine, Cytosine, Guanine, Thymine
d)
Adenine, Cytosine, Guanine, Uracil
5.
What holds the two strands of DNA together?
a)
Covalent bonds
b)
Hydrogen bonds
c)
Salt bonds
d)
Ionic bonds
6.
What is the structure of RNA?
a)
Made up of amino acids
b)
Single-stranded molecule composed of nucleotides
c)
Composed of sugar and phosphate molecules
d)
Double-stranded molecule composed of nucleotides
7.
What does a codon code for?
a)
Lipid
b)
Carbohydrate
c)
Amino acid
d)
Nucleic acid
8.
What is the process of transcription?
a)
Creating a protein from an RNA sequence
b)
Replicating a DNA sequence
c)
Making an RNA copy of a gene's DNA sequence
d)
Breaking down a protein into amino acids
9.
What is the process of translation?
a)
The process of converting DNA into RNA
b)
Synthesis of a protein from mRNA using the genetic code
c)
The process of creating energy from glucose
d)
The process of converting RNA into DNA
10.
Define tRNA
a)
Transfer RNA
b)
Tandem RNA
c)
Thymine RNA
d)
Total RNA
11.
Define mRNA
a)
messenger RNA
b)
micro RNA
c)
ribosomal RNA
d)
transfer RNA
12.
What is the function of rRNA?
a)
Synthesis of proteins
b)
DNA replication
c)
Cell division
d)
Energy production
13.
What is the function of tRNA?
a)
Transports lipids to the nucleus
b)
Regulates blood sugar levels
c)
Assists in oxygen transport in the blood
d)
Carries amino acids to the ribosome during protein synthesis
14.
What is the function of mRNA?
a)
Regulates cell division
b)
Stores energy for the cell
c)
Transports oxygen in the blood
d)
Carries genetic information from DNA to the ribosomes
15.
T or F: Nucleotides contain a 5-carbon sugar and a phosphate group.
a)
False
b)
True
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