Question 1

Which of the following represents the correct order in the flow of genetic information?

Accepted Answer

A)  mRNA → DNA → proteins
B)  mRNA → tRNA → proteins
C)  DNA → mRNA → proteins
D)  rRNA → mRNA → proteins

Question 2

The genetic code is based on a total of ___ codons.

Accepted Answer

A)  3
B)  9
C)  16
D)  64

Question 3

What symptoms should an individual that has been stung by an insect exhibit that indicate anaphylactic shock?

Accepted Answer

A)  the area about the sting becoming red and a tightening of the skin
B)  shortness of breath and swelling in the throat
C)  coughing, headache, and nausea
D)  All of these responses are symptoms of anaphylactic shock.

Question 4

​ Explain how one DNA molecule differs from another.

Accepted Answer

In a DNA molecule, the sugar-phosphate c...

Question 5

Each amino acid in a protein synthesis is specified by only one codon in the genetic code.

Accepted Answer

A) True 
 B)False

Question 6

In RNA, the complement to the base guanine is cystine.

Accepted Answer

A) True 
 B)False

Question 7

DNA and RNA are polymers produced from monomers containing specific sugar molecules.

Accepted Answer

A) True 
 B)False

Question 8

Which nucleic acid carries the codons?

Accepted Answer

A)  DNA
B)  mRNA
C)  tRNA
D)  rRNA

Question 9

The DNA molecule contains complementary nitrogen bases. There are four bases, but they pair as A-T and G-C with no cross pairing. How is this accomplished?

Accepted Answer

A)  A and G are polar leaning heavily to the positive. T and C are negative. A-G and T-C repel each other and cannot pair.
B)  A and G do not have their polar sites in the appropriate location to pair, and the same is true of T and C.
C)  A and T have two matching but opposite polar sites. G and C have 3 polar sites. The two poles will not attract and maintain attraction for three poles.
D)  There is more than one correct response.

Question 10

With recombinant DNA work, a type of DNA has been used as a means of introducing a new gene into bacteria.  Shown below, this type of DNA is referred to as a(n) _____.

Accepted Answer

A)  plasmid
B)  vector
C)  DNA polymerase
D)  intron

Question 11

Which of the following correctly describes the segment of the nucleic acid shown?

Accepted Answer

A)  This is a segment of DNA.
B)  It has a 3' → 5' phosphodiester linkage.
C)  The sugar involved is deoxyribose.
D)  All of the responses are correct.

Question 12

Adenine is a purine base

Accepted Answer

A) True 
 B)False

Question 13

To which of the following do amino acids bind during protein synthesis?

Accepted Answer

A)  DNA
B)  tRNA
C)  rRNA
D)  mRNA

Question 14

The monomers that are chemically linked together to form nucleic acids are called

Accepted Answer

A)  purine bases.
B)  sugar-phosphoric residues.
C)  nucleotides.
D)  nucleosides.

Question 15

Which of the following drugs should a mother avoid while pregnant?

Accepted Answer

A)  ethanol
B)  opiates
C)  testosterone
D)  all the choices

Question 16

The function of the mRNA molecule is to carry information from the DNA in the nucleus of the cell to locations outside the nucleus.

Accepted Answer

A) True 
 B)False

Question 17

How many three-letter combinations are present in the genetic code?

Accepted Answer

A)  32
B)  64
C)  16
D)  88

Question 18

Genetically modified foods have been produced and used by people for centuries.

Accepted Answer

A) True 
 B)False

Question 19

The base shown below is one of the pyrimidine bases found in nucleic acids.

Accepted Answer

A) True 
 B)False

Question 20

Match between columns
                        Premises:  RNA that carries genetic information from the DNA in the cell nucleus to the site of protein synthesis in the cytoplasm

Accepted Answer

The Answer of Ribosome and Ribosomal RNA and Transfer RNA is...

Exam 21: Nucleic Acids and Protein Synthesis

DNA and RNA are polymers produced from monomers containing specific sugar molecules.

Correct Answer
verified

With recombinant DNA work, a type of DNA has been used as a means of introducing a new gene into bacteria. Shown below, this type of DNA is referred to as a(n) _____.

Correct Answer
verified

Which of the following drugs should a mother avoid while pregnant?

Correct Answer
verified

The base shown below is one of the pyrimidine bases found in nucleic acids.

Correct Answer
verified

Match the terms with their descriptions.

The DNA molecule contains complementary nitrogen bases. There are four bases, but they pair as A-T and G-C with no cross pairing. How is this accomplished?

Correct Answer
verified

Each amino acid in a protein synthesis is specified by only one codon in the genetic code.

Correct Answer
verified

Which of the following represents the correct order in the flow of genetic information?

Correct Answer
verified

In RNA, the complement to the base guanine is cystine.

Correct Answer
verified

Genetically modified foods have been produced and used by people for centuries.

Correct Answer
verified

To which of the following do amino acids bind during protein synthesis?

Correct Answer
verified

The genetic code is based on a total of ___ codons.

Correct Answer
verified

The monomers that are chemically linked together to form nucleic acids are called

Correct Answer
verified

Explain how one DNA molecule differs from another.

Correct Answer
verified
In a DNA molecule, the sugar-phosphate c...
View Answer

Which nucleic acid carries the codons?

Correct Answer
verified

Which of the following correctly describes the segment of the nucleic acid shown?

Correct Answer
verified

How many three-letter combinations are present in the genetic code?

Correct Answer
verified

What symptoms should an individual that has been stung by an insect exhibit that indicate anaphylactic shock?

Correct Answer
verified

The function of the mRNA molecule is to carry information from the DNA in the nucleus of the cell to locations outside the nucleus.

Correct Answer
verified

Adenine is a purine base

Correct Answer
verified

Exam 21: Nucleic Acids and Protein Synthesis

DNA and RNA are polymers produced from monomers containing specific sugar molecules.

Correct AnswerverifiedShow Answer

With recombinant DNA work, a type of DNA has been used as a means of introducing a new gene into bacteria. Shown below, this type of DNA is referred to as a(n) _____.

Correct AnswerverifiedShow Answer

Which of the following drugs should a mother avoid while pregnant?

Correct AnswerverifiedShow Answer

The base shown below is one of the pyrimidine bases found in nucleic acids.

Correct AnswerverifiedShow Answer

Match the terms with their descriptions.

The DNA molecule contains complementary nitrogen bases. There are four bases, but they pair as A-T and G-C with no cross pairing. How is this accomplished?

Correct AnswerverifiedShow Answer

Each amino acid in a protein synthesis is specified by only one codon in the genetic code.

Correct AnswerverifiedShow Answer

Which of the following represents the correct order in the flow of genetic information?

Correct AnswerverifiedShow Answer

In RNA, the complement to the base guanine is cystine.

Correct AnswerverifiedShow Answer

Genetically modified foods have been produced and used by people for centuries.

Correct AnswerverifiedShow Answer

To which of the following do amino acids bind during protein synthesis?

Correct AnswerverifiedShow Answer

The genetic code is based on a total of ___ codons.

Correct AnswerverifiedShow Answer

The monomers that are chemically linked together to form nucleic acids are called

Correct AnswerverifiedShow Answer

​ Explain how one DNA molecule differs from another.

Correct AnswerverifiedIn a DNA molecule, the sugar-phosphate c...View AnswerShow Answer

Which nucleic acid carries the codons?

Correct AnswerverifiedShow Answer

Which of the following correctly describes the segment of the nucleic acid shown?

Correct AnswerverifiedShow Answer

How many three-letter combinations are present in the genetic code?

Correct AnswerverifiedShow Answer

What symptoms should an individual that has been stung by an insect exhibit that indicate anaphylactic shock?

Correct AnswerverifiedShow Answer

The function of the mRNA molecule is to carry information from the DNA in the nucleus of the cell to locations outside the nucleus.

Correct AnswerverifiedShow Answer

Adenine is a purine base

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Explain how one DNA molecule differs from another.

Correct Answer
verified
In a DNA molecule, the sugar-phosphate c...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified