Question 1

If you could neither synthesize nor acquire deoxyribose in any way, you could not make the nucleic acid ________.

Accepted Answer

The answer of If you could neither synthesize nor acquire...

Question 2

If there are 64 potential codons that code for various amino acids but only about 20 specific amino acids, what must be true about the genetic code?

Accepted Answer

A)  Most of the codons are not used. 
B)  There are two codons for each amino acid, and the rest are stop codons. 
C)  All are used, but bacteria and plants each have 20 different amino acids. 
D)  Multiple codons code for the same amino acid. 
A)  Most of the codons are not used. 
B)  There are two codons for each amino acid, and the rest are stop codons. 
C)  All are used, but bacteria and plants each have 20 different amino acids. 
D)  Multiple codons code for the same amino acid.

Question 3

DNA fingerprinting is now widely used to tie a particular suspect to the DNA samples found at a crime scene. What benefits can be derived from this technology in fighting crime?

Accepted Answer

A)  "Persons of interest" can be excluded more rapidly as suspects, so police can focus on other leads. 
B)  A jailed convict can be proven to have no connection to evidence found at a crime scene. 
C)  Solid matches can aid a district attorney's case in proving guilt to a jury. 
D)  All of the above are true. 
A)  "Persons of interest" can be excluded more rapidly as suspects, so police can focus on other leads. 
B)  A jailed convict can be proven to have no connection to evidence found at a crime scene. 
C)  Solid matches can aid a district attorney's case in proving guilt to a jury. 
D)  All of the above are true.

Question 4

Match each definition to the correct term
-The RNA "words" are called this.

Accepted Answer

A) Thymine 
B) DNA polymerases 
C) RNA polymerase 
D) Codons 
E) Guanine
F)Gene therapy
G)Epigenetics
H)Biotechnology
I)Genome 
A) Thymine 
B) DNA polymerases 
C) RNA polymerase 
D) Codons 
E) Guanine
F)Gene therapy
G)Epigenetics
H)Biotechnology
I)Genome

Question 5

In which part of the molecule does tRNA pair with mRNA?

Accepted Answer

A)  rRNA 
B)  codon 
C)  anticodon 
D)  gene 
A)  rRNA 
B)  codon 
C)  anticodon 
D)  gene

Question 6

The following is a part of a gene sequence: ATCAGC. What would be the resulting product of transcription?

Accepted Answer

A)  TAGTCG 
B)  UAGUCG 
C)  GACGTC 
D)  CUGCUA 
A)  TAGTCG 
B)  UAGUCG 
C)  GACGTC 
D)  CUGCUA

Question 7

The nitrogenous base found in RNA but not DNA is ________.

Accepted Answer

The answer of The nitrogenous base found in RNA but...

Question 8

The text says that bovine somatotropin can be given to cows to boost milk production. Suppose that it would be possible to alter the genes of cows so that the animals always made excess somatotropin. What concerns do you think people might have about this procedure?

Accepted Answer

Some possible answers include the follow

Question 9

The base sequences that are left behind after the introns have been spliced out by enzymes are the ________.

Accepted Answer

A)  genes 
B)  anticodons 
C)  exons 
D)  phosphates 
A)  genes 
B)  anticodons 
C)  exons 
D)  phosphates

Question 10

Which of the following is the signal that functions to begin transcription and consists of a sequence on the DNA?

Accepted Answer

A)  mRNA 
B)  promoter 
C)  vector 
D)  exon 
A)  mRNA 
B)  promoter 
C)  vector 
D)  exon

Question 11

Match each definition to the correct term
-According to base-pairing rules, adenine will pair only with this.

Accepted Answer

A) Thymine 
B) DNA polymerases 
C) RNA polymerase 
D) Codons 
E) Guanine
F)Gene therapy
G)Epigenetics
H)Biotechnology
I)Genome 
A) Thymine 
B) DNA polymerases 
C) RNA polymerase 
D) Codons 
E) Guanine
F)Gene therapy
G)Epigenetics
H)Biotechnology
I)Genome

Question 12

Match each definition to the correct term
-According to base-pairing rules, cytosine will pair only with this.

Accepted Answer

A) Thymine 
B) DNA polymerases 
C) RNA polymerase 
D) Codons 
E) Guanine
F)Gene therapy
G)Epigenetics
H)Biotechnology
I)Genome 
A) Thymine 
B) DNA polymerases 
C) RNA polymerase 
D) Codons 
E) Guanine
F)Gene therapy
G)Epigenetics
H)Biotechnology
I)Genome

Question 13

Why do transcription and translation take place in two different locations?

Accepted Answer

A)  DNA is located in the nucleus, whereas the ribosomes needed for translation are not in the nucleus. 
B)  DNA is located in the nucleus, whereas the ribosomes needed for translation are found outside the cell. 
C)  DNA is located in the nucleus, whereas the ribosomes needed for transcription are found outside the cell. 
D)  Translation takes place in the nucleus, whereas the DNA is located elsewhere. 
A)  DNA is located in the nucleus, whereas the ribosomes needed for translation are not in the nucleus. 
B)  DNA is located in the nucleus, whereas the ribosomes needed for translation are found outside the cell. 
C)  DNA is located in the nucleus, whereas the ribosomes needed for transcription are found outside the cell. 
D)  Translation takes place in the nucleus, whereas the DNA is located elsewhere.

Question 14

Which chemical carries the DNA's instructions for synthesizing a particular protein from the nucleus to the cytoplasm?

Accepted Answer

A)  transfer RNA 
B)  messenger RNA 
C)  RNA transcriptase 
D)  ribosomal RNA 
A)  transfer RNA 
B)  messenger RNA 
C)  RNA transcriptase 
D)  ribosomal RNA

Question 15

Which of the following brings tRNA with an amino acid close enough to mRNA to permit interaction and the assembly of amino acids to form a protein?

Accepted Answer

A)  DNA polymerase 
B)  RNA polymerase 
C)  ribosome 
D)  mRNA 
A)  DNA polymerase 
B)  RNA polymerase 
C)  ribosome 
D)  mRNA

Question 16

A new antibiotic is developed that interferes with the way tRNA fits into bacterial ribosomes. How would this kill the bacteria?

Accepted Answer

A)  The bacteria would be unable to produce necessary enzymes to carry out basic metabolism. 
B)  The tRNA would be unable to carry out transcription. 
C)  Ribosomes would not be able to produce mRNA, and cell functions would halt. 
D)  tRNA would not unwind the DNA to allow DNA polymerase to copy it; thus, cell division would stop. 
A)  The bacteria would be unable to produce necessary enzymes to carry out basic metabolism. 
B)  The tRNA would be unable to carry out transcription. 
C)  Ribosomes would not be able to produce mRNA, and cell functions would halt. 
D)  tRNA would not unwind the DNA to allow DNA polymerase to copy it; thus, cell division would stop.

Question 17

Some tRNA often contains sections of noncomplementary, unusual bases (i.e., other than U, C, A, and
G), which are added after transcription. What area of the tRNA would never contain such odd bases in a living organism?

Accepted Answer

They would never be found in t

Question 18

Point mutations can occur in any given cell type, but they mostly affect only that one cell and cells produced by it. What cell type, if mutated, would allow the mutation to be passed on to family members for generations?

Accepted Answer

A)  glial cells, such as those that produce a myelin sheath 
B)  skin cells 
C)  white blood cells 
D)  gametes, such as an egg or sperm 
A)  glial cells, such as those that produce a myelin sheath 
B)  skin cells 
C)  white blood cells 
D)  gametes, such as an egg or sperm

Question 19

Why is DNA replication semiconservative?

Accepted Answer

DNA is replicated in a semiconservative

Question 20

The end product of transcription is the production of a(n) ________.

Accepted Answer

The answer of The end product of transcription is the...

Exam 30: DNA and Biotechnology

If you could neither synthesize nor acquire deoxyribose in any way, you could not make the nucleic acid ________.

If there are 64 potential codons that code for various amino acids but only about 20 specific amino acids, what must be true about the genetic code?

DNA fingerprinting is now widely used to tie a particular suspect to the DNA samples found at a crime scene. What benefits can be derived from this technology in fighting crime?

Match each definition to the correct term -The RNA "words" are called this.

In which part of the molecule does tRNA pair with mRNA?

The following is a part of a gene sequence: ATCAGC. What would be the resulting product of transcription?

The nitrogenous base found in RNA but not DNA is ________.

The text says that bovine somatotropin can be given to cows to boost milk production. Suppose that it would be possible to alter the genes of cows so that the animals always made excess somatotropin. What concerns do you think people might have about this procedure?

The base sequences that are left behind after the introns have been spliced out by enzymes are the ________.

Which of the following is the signal that functions to begin transcription and consists of a sequence on the DNA?

Match each definition to the correct term -According to base-pairing rules, adenine will pair only with this.

Match each definition to the correct term -According to base-pairing rules, cytosine will pair only with this.

Why do transcription and translation take place in two different locations?

Which chemical carries the DNA's instructions for synthesizing a particular protein from the nucleus to the cytoplasm?

Which of the following brings tRNA with an amino acid close enough to mRNA to permit interaction and the assembly of amino acids to form a protein?

A new antibiotic is developed that interferes with the way tRNA fits into bacterial ribosomes. How would this kill the bacteria?

Some tRNA often contains sections of noncomplementary, unusual bases (i.e., other than U, C, A, and G), which are added after transcription. What area of the tRNA would never contain such odd bases in a living organism?

Point mutations can occur in any given cell type, but they mostly affect only that one cell and cells produced by it. What cell type, if mutated, would allow the mutation to be passed on to family members for generations?

Why is DNA replication semiconservative?

The end product of transcription is the production of a(n) ________.

Humans in the World of Biology

Becoming a Patient: a Major Decision

Chemistry Comes to Life

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Body Organization and Homeostasis

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Neurons: the Matter of the Mind

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Special Topic: Drugs and the Mind

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Special Topic: Diabetes Mellitus

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Special Topic: Cardiovascular Disease

Body Defense Mechanisms

Special Topic: Infectious Disease

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Special Topic: the Obesity Epidemic

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Special Topic: Sexually Transmitted Diseases and Aids

Development Throughout Life

Special Topic: Autism Spectrum Disorder

Chromosomes and Cell Division

Stem Cellsa Repair Kit for the Body

Genetics and Human Inheritance

Special Topic: Cancer

Evolution and Our Heritage

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Human Population, Limited Resources, and Pollution

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