WorksheetsGenes and Proteins
Total questions: 13
Worksheet time: 9mins
Name
Class
Date
1.
Which is a part of the DNA that consists of a sugar, a phosphate, and a nitrogenous gas?
a)
DNA
b)
nucleotide
c)
base
d)
mutation
2.
Which is a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live?
a)
DNA
b)
nucleotide
c)
base
d)
mutation
3.
Which are the 4 DNA bases?
a)
RNA, adenine, thymine, guanine
b)
uracil, adenine, guanine, thymine,
c)
adenine, thymine, cytosine guanine
d)
RNA, DNA, ribosome, protein
4.
Each molecule of DNA consists of smaller segments called genes.
a)
True
b)
False
c)
True and False
d)
What's a molecule?
5.
These long molecules carry out most cell functions.
a)
DNA
b)
RNA
c)
Amino Acids
d)
Proteins
6.
These molecules are made up of amino acids.
a)
proteins
b)
bases
c)
ribosomes
d)
nucleii
7.
This is a change in the DNA sequence of a gene.
a)
change
b)
mutation
c)
bond
d)
tomorrow
8.
1. The DNA unwinds. 2. The bonds between the nucleotides breaks. 3. The info. is converted from DNA to RNA. 4. The mRNA carries the code from the DNA in the cell's nucleus to the parts of the cells that make the proteins. What is this process?
a)
Genes are being created.
b)
Mutations are occuring.
c)
DNA is being copied.
d)
Too many things.
9.
How many nucleotides in DNA or mRNA code for a specific amino acid?
a)
1
b)
2
c)
3
d)
4
10.
What are the three adjacent nucleotides in DNA or mRNA that code for amino acids called?
a)
codon
b)
transcription
c)
translation
d)
replication
11.
In a DNA molecule, which of the following bases pair together?
a)
adenine and cytosine
b)
thymine and adenine
c)
thymine and guanine
d)
cytosine and thymine
12.
A gene can be all of the following EXCEPT
a)
a set of instructions for a trait
b)
a complete chromosome
c)
instructions for making a protein
d)
a portion of a strand of DNA
13.
Which of the following statements about DNA is NOT true?
a)
DNA is found in all organisms.
b)
DNA is made up of five subunits.
c)
DNA has a structure like a twisted ladder.
d)
Mistakes can be made when DNA is copied.
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