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Cells And Heredity Chapter 4 (DNA) Review
Test Description: This is your review for chapter test over DNA.
Instructions: Answer all questions to get your test result.
1) What is the difference between transfer RNA and messenger RNA?
A
tRNA carries and adds amino acids to proteins and mRNA copies and carries the message
B
mRNA tells the DNA when to copy and tRNA carries and adds amino acids to proteins
C
mRNA carries amino acids to proteins and tRNA copies and carries the message
D
tRNA carries and adds amino acids to proteins and mRNA tells the DNA when to copy
2) What the difference between mutations?
A
A harmful mutation reduces chances for survival and a helpful mutation increases the changes for survival
B
A negative mutation reduces chances for survival and a positive mutation increases the changes for survival
C
A helpful mutation reduces chances for survival and a harmful mutation increases the changes for survival
D
A old mutation reduces chances for survival and a new mutation increases the changes for survival
3) A mutation in which cell can be passed to offspring?
A
sex
B
skin
C
body
D
eye
4) What grows in an abnormal way?
A
Body cells
B
Cancer cells
C
Big Cells
D
Skin Cells
5) What is a mass of abnormal cells that develop when cancerous cells divide uncontrollably?
A
Tumor
B
Mutation
C
DNA
D
tRNA
6) Normal cells are __________ affected by radiation than cancerous cells.
A
similarly
B
less
C
more
D
sort of
7) What is spread by the bloodstream throughout the body?
A
Colds
B
Virus
C
Bacteria
D
Cancer
8) One amino acid protein is equal to what?
A
four bases
B
three bases
C
one base
D
two bases
9) What is a mutation?
A
A new piece of DNA
B
A change in transfer RNA
C
A change in the DNA
D
A change in messneger RNA
10) The nitrogen bases along a gene creates what?
A
The replicated DNA
B
The replicated RNA
C
The new nitrogen bases
D
The genetic code
11) Cells grow and divide uncontrollably in what disease?
A
DNA Mutation
B
RNA Mutation
C
Cancer
D
DNA Deletion
12) Which base in NOT in DNA, but in RNA?
A
thymine
B
uracil
C
guanine
D
adenine
13) What copies the coded message from DNA and carries it to cytoplasm?
A
replicated DNA
B
DNA
C
messenger RNA
D
transfer RNA
14) What's a mass of abnormal cells called?
A
Mole
B
Tumor
C
Skin Cells
D
Bump
15) What takes place in the ribosome in the cytoplasm of the cell?
A
DNA Replication
B
Mutations
C
Protein Synthesis
D
RNA replication
16) What is the use of drugs to treat a disease?
A
Radiation
B
Surgery
C
Chemotherapy
D
Drug Treatment
17) The way amino acids are put together to form a protein is determined by the order of what?
A
The order of RNA in the gene
B
The order of DNA in the gene
C
The amount of nitrogen in the bases
D
The order of bases along a gene
18) When a mutation occurs in DNA scientists believe that what may happened?
A
The person may will have less proteins in their blood
B
The person may develop cancer
C
The person may develop a tumor
D
The person will have mutated RNA
19) There over 100 types of what?
A
Cancer
B
Protein Synthesis
C
RNA Mutations
D
DNA Mutations
20) Which bases always pair together?
A
Adenine paris with Thymine and Guanine pairs with Cytosine
B
Adenine paris with Cytosine and Guanine pairs with Thymine
C
Adenine paris with Thymine and Guanine pairs with Uracil
D
Guanine paris with Thymine and Adenine pairs with Cytosine
*select an answer for all questions
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