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