Cells And Heredity Chapter 4 (DNA) Review: Question Preview (ID: 28418)


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