Question 1

Which of the following is not true regarding ribosomes?

Accepted Answer

A) They are composed of two subunits. 
B) They contain both RNA and protein. 
C) They contain an A site and a P site. 
D) They translate RNA into protein. 
E) They function within the nucleus. 
A) They are composed of two subunits. 
B) They contain both RNA and protein. 
C) They contain an A site and a P site. 
D) They translate RNA into protein. 
E) They function within the nucleus. E

Question 2

Which of the following is not an application of PCR?

Accepted Answer

A) study evolutionary history 
B) study mummies 
C) crime scene investigations 
D) treat cancer 
E) detect a genetic disorder 
A) study evolutionary history 
B) study mummies 
C) crime scene investigations 
D) treat cancer 
E) detect a genetic disorder D

Question 3

The start codon for translation is a

Accepted Answer

A) UAG. 
B) UAA. 
C) AAA. 
D) AUG. 
E) AGU. 
A) UAG. 
B) UAA. 
C) AAA. 
D) AUG. 
E) AGU. D

Question 4

When was the Human Genome Project completed?

Accepted Answer

A) 1999 
B) 2001 
C) 2003 
D) 2005 
E) 2010 
A) 1999 
B) 2001 
C) 2003 
D) 2005 
E) 2010

Question 5

Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

Accepted Answer

Transcription would produce the followin

Question 6

When the sequence CGCAAUGCAAGGA is translated,the corresponding protein will be arginine-asparagine-alanine-arginine.

Accepted Answer

A) True 
 B)False

Question 7

How many stop codons are there for translation?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 8

Researchers found 3 genes on chromosome 22 in chimpanzees that,when compared to our human genes,have given us insight into our
Evolution.What were those three genes?

Accepted Answer

A) genes for speech development,hearing,and smell 
B) genes for chest size,cranial size,and leg length 
C) genes for taste,opposable thumbs,and bipedalism 
D) genes for speech development,opposable thumbs,and leg length 
E) genes for food preference,bipedalism,and cranial size 
A) genes for speech development,hearing,and smell 
B) genes for chest size,cranial size,and leg length 
C) genes for taste,opposable thumbs,and bipedalism 
D) genes for speech development,opposable thumbs,and leg length 
E) genes for food preference,bipedalism,and cranial size

Question 9

If the codon is CCA,what is the anticodon and what amino acid will be inserted?

Accepted Answer

A) CCA,proline 
B) GGU,proline 
C) GGT,glycine 
D) ACC,threonine 
E) UGG,tryptophan 
A) CCA,proline 
B) GGU,proline 
C) GGT,glycine 
D) ACC,threonine 
E) UGG,tryptophan

Question 10

The 3-base sequence in a mRNA molecule is called a(n)

Accepted Answer

A) codon. 
B) transcriptome. 
C) initiator. 
D) mutation. 
E) transposon. 
A) codon. 
B) transcriptome. 
C) initiator. 
D) mutation. 
E) transposon.

Question 11

More than 50% of the entire human genome codes for functional proteins.

Accepted Answer

A) True 
 B)False

Question 12

Mouse models for human diseases,such as cystic fibrosis,have been created by recombinant DNA technology.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is not a requirement for the genetic material of the cell?

Accepted Answer

A) It must be able to replicate. 
B) It must be able to store information. 
C) It must be able to undergo mutations. 
D) It must be able to change conformations. 
E) It must be able to provide genetic variability. 
A) It must be able to replicate. 
B) It must be able to store information. 
C) It must be able to undergo mutations. 
D) It must be able to change conformations. 
E) It must be able to provide genetic variability.

Question 14

All of the RNAs

Accepted Answer

A) can be found in the ribosomes. 
B) are translated into proteins. 
C) are transcribed from DNA. 
D) function within the nucleus. 
E) interact with amino acids. 
A) can be found in the ribosomes. 
B) are translated into proteins. 
C) are transcribed from DNA. 
D) function within the nucleus. 
E) interact with amino acids.

Question 15

In ex vivo gene therapy,therapeutic DNA is injected into body cells with the use of a vector or carrier molecule.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is not an amino acid?

Accepted Answer

A) glycine 
B) tryptophan 
C) alanine 
D) valine 
E) uracil 
A) glycine 
B) tryptophan 
C) alanine 
D) valine 
E) uracil

Question 17

How does modern day sequencing detect dyes on the nucleotides?

Accepted Answer

A) radioactivity 
B) dye terminator chemicals 
C) DNA breakage 
D) laser 
E) by eye 
A) radioactivity 
B) dye terminator chemicals 
C) DNA breakage 
D) laser 
E) by eye

Question 18

List and explain the 5 steps involved in DNA replication.

Accepted Answer

1.The enzyme DNA helicase unwinds and un

Question 19

How many genes did researchers think the human genome contained? How many did it contain?

Accepted Answer

A) 3 billion;80,000 
B) 1 million;1 million 
C) 25,000;80,000 
D) 80,000;25,000 
E) 125 million;1 million 
A) 3 billion;80,000 
B) 1 million;1 million 
C) 25,000;80,000 
D) 80,000;25,000 
E) 125 million;1 million

Question 20

To transcribe something is to make an identical copy,i.e. ,if the original is DNA,the transcribed copy is also DNA.

Accepted Answer

A) True 
 B)False

Exam 22: DNA Biology and Technology

Which of the following is not true regarding ribosomes?

Which of the following is not an application of PCR?

The start codon for translation is a

When was the Human Genome Project completed?

Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

When the sequence CGCAAUGCAAGGA is translated,the corresponding protein will be arginine-asparagine-alanine-arginine.

How many stop codons are there for translation?

Researchers found 3 genes on chromosome 22 in chimpanzees that,when compared to our human genes,have given us insight into our Evolution.What were those three genes?

If the codon is CCA,what is the anticodon and what amino acid will be inserted?

The 3-base sequence in a mRNA molecule is called a(n)

More than 50% of the entire human genome codes for functional proteins.

Mouse models for human diseases,such as cystic fibrosis,have been created by recombinant DNA technology.

Which of the following is not a requirement for the genetic material of the cell?

All of the RNAs

In ex vivo gene therapy,therapeutic DNA is injected into body cells with the use of a vector or carrier molecule.

Which of the following is not an amino acid?

How does modern day sequencing detect dyes on the nucleotides?

List and explain the 5 steps involved in DNA replication.

How many genes did researchers think the human genome contained? How many did it contain?

To transcribe something is to make an identical copy,i.e. ,if the original is DNA,the transcribed copy is also DNA.

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