Bio1334 Genetics - Molecular Genetics - DNA And Chromosomes (Lecture One)
Quiz on content from Lecture One of Genetics module.
- 1.Name the Scientist that isolated nuclein (now nucleic acid) from human pus.
- A.
Friedrich Miescher
- B.
Rosalind Franklin
- C.
Alfred Hershey
- D.
Francis Crick
- 2.
![Which of the following did Rosalind Franklin conclude about the structure of DNA?(Select more than one answer) - ProProfs]( "Which of the following did Rosalind Franklin conclude about the structure of DNA?(Select more than one answer)")
Which of the following did Rosalind Franklin conclude about the structure of DNA?(Select more than one answer)- A.
The structure is double-helical
- B.
Phosphate groups lie on the outside of the molecule
- C.
The helix is 20 nanometers in diameter
- D.
DNA has directionality (5' and 3' ends)
- E.
DNA has four nitrogenous bases
- 3.
![Name the sugar in DNA. - ProProfs]( "Name the sugar in DNA.")
Name the sugar in DNA. - 4.
![Sugar + base + phosphate(s) = ? - ProProfs]( "Sugar + base + phosphate(s) = ?")
Sugar + base + phosphate(s) = ? - 5.
![Sugar + base = ? - ProProfs]( "Sugar + base = ?")
Sugar + base = ? - 6.
![Deoxyribose + adenine = ? - ProProfs]( "Deoxyribose + adenine = ?")
Deoxyribose + adenine = ? - 7.
![Deoxyribose + guanine = ? - ProProfs]( "Deoxyribose + guanine = ?")
Deoxyribose + guanine = ? - 8.
![Deoxyribose + cytosine = ? - ProProfs]( "Deoxyribose + cytosine = ?")
Deoxyribose + cytosine = ? - 9.
![Deoxyribose + thymine = ? - ProProfs]( "Deoxyribose + thymine = ?")
Deoxyribose + thymine = ? - 10.
![5' and 3' ends give DNA molecules directionality.True or False: DNA is synthesised in the 3'-to-5' direction. - ProProfs]( "5' and 3' ends give DNA molecules directionality.True or False: DNA is synthesised in the 3'-to-5' direction.")
5' and 3' ends give DNA molecules directionality.True or False: DNA is synthesised in the 3'-to-5' direction.- A.
True
- B.
False
- 11.
![True or false: In a DNA double-helix, the 5' end of one strand is opposite the 3' end of another strand. - ProProfs]( "True or false: In a DNA double-helix, the 5' end of one strand is opposite the 3' end of another strand.")
True or false: In a DNA double-helix, the 5' end of one strand is opposite the 3' end of another strand.- A.
True
- B.
False
- 12.
![Which of the following statements is true? - ProProfs]( "Which of the following statements is true?")
Which of the following statements is true?- A.
Two hydrogen bonds form between adenine and thymine, whereas three form between cytosine and guanine. Bonding is therefore stronger between C and G.
- B.
Two hydrogen bonds form between cytosine and guanine, whereas three form between adenine and thymine. Bonding is therefore stronger between A and T.
- C.
Two hydrogen bonds form between both adenine and thymine, and cytosine and guanine. Bonds between the two bases are equally as strong.
- D.
Three hydrogen bonds form between both adenine and thymine, and cytosine and guanine. Bonds between the two bases are equally as strong.
- 13.
![Which of the following statements is correct? - ProProfs]( "Which of the following statements is correct?")
Which of the following statements is correct?- A.
Adenine and thymine are purines. Cytosine and guanine are pyrimidines.
- B.
Adenine and guanine are purines. Cytosine and thymine are pyrimidines.
- C.
Guanine and cytosine are purines. Adenine and thymine are pyrimidines.
- D.
Cytosine and thymine are purines. Adenine and guanine are pyrimidines.
- 14.
![Which of the following images shows a right-handed double helix? - ProProfs]( "Which of the following images shows a right-handed double helix?")
Which of the following images shows a right-handed double helix?- A.
This one!
- B.
This one!
- C.
Option 3
- D.
Option 4
- 15.
![True or false: DNA is a right-handed double helix. - ProProfs]( "True or false: DNA is a right-handed double helix.")
True or false: DNA is a right-handed double helix.- A.
True
- B.
False
- 16.
![Fill in the blank:DNA is a _______ code, because it has four possible bases. - ProProfs]( "Fill in the blank:DNA is a _______ code, because it has four possible bases.")
Fill in the blank:DNA is a _______ code, because it has four possible bases. - 17.
![Match the following to its complementary strand: 5′-TGGTCGGAATT-3′ - ProProfs]( "Match the following to its complementary strand: 5′-TGGTCGGAATT-3′")
Match the following to its complementary strand: 5′-TGGTCGGAATT-3′- A.
5′-AATTCCGACCA-3′
- B.
5′-ACCAGCCTTAA-3′
- C.
5′-TGGTCGGAATT-3′
- D.
5′-TTAAGGCTGGT-3′
- 18.
![Fill in the blank:A ______ is the complete set of genes for an organism. - ProProfs]( "Fill in the blank:A ______ is the complete set of genes for an organism.")
Fill in the blank:A ______ is the complete set of genes for an organism. - 19.
![How many base pairs can be found in every human cell? - ProProfs]( "How many base pairs can be found in every human cell?")
How many base pairs can be found in every human cell?- A.
6 x 10^9 base pairs
- B.
6 x 10^6 base pairs
- C.
6 x 10^12 base pairs
- D.
6 x 10^3 base pairs
- 20.
![What is the name given to the protein that DNA wraps around in order to 'package' the DNA? - ProProfs]( "What is the name given to the protein that DNA wraps around in order to 'package' the DNA?")
What is the name given to the protein that DNA wraps around in order to 'package' the DNA? - 21.
![Which of the following statements is correct? - ProProfs]( "Which of the following statements is correct?")
Which of the following statements is correct?- A.
DNA wraps twice around 8 histone proteins to form nucleosomes.
- B.
DNA wraps once around 8 histone proteins to form nucleosomes.
- C.
DNA wraps twice around 8 histone proteins to form nucleotides.
- D.
DNA wraps once around 8 histone proteins to form nucleotides.
- 22.
![When DNA wraps around the histone protein, what is the name of the structure formed? - ProProfs]( "When DNA wraps around the histone protein, what is the name of the structure formed?")
When DNA wraps around the histone protein, what is the name of the structure formed? - 23.
![There are 5 histone proteins - 4 of these histone proteins are core histone proteins (the DNA wraps around them in order to package the DNA).True or False:The names of the four core histone proteins are: H1, H2, H3 and H4. - ProProfs]( "There are 5 histone proteins - 4 of these histone proteins are core histone proteins (the DNA wraps around them in order to package the DNA).True or False:The names of the four core histone proteins are: H1, H2, H3 and H4.")
There are 5 histone proteins - 4 of these histone proteins are core histone proteins (the DNA wraps around them in order to package the DNA).True or False:The names of the four core histone proteins are: H1, H2, H3 and H4.- A.
True
- B.
False
- 24.
![Fill in the blank:Histone protein H1 is known as a ______ protein. - ProProfs]( "Fill in the blank:Histone protein H1 is known as a ______ protein.")
Fill in the blank:Histone protein H1 is known as a ______ protein. - 25.
![Fill in the blank:Histone H1 brings the nucleosomes together to form a _________________. - ProProfs]( "Fill in the blank:Histone H1 brings the nucleosomes together to form a _________________.")
Fill in the blank:Histone H1 brings the nucleosomes together to form a _________________.
Questions: 10 | Attempts: 373 | Last updated: May 20, 2019
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Sample QuestionIn genetics a "wild" type is
Questions: 10 | Attempts: 167 | Last updated: May 20, 2020
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Sample QuestionHow many base pairs can be found in the human Y chromosome?
Questions: 10 | Attempts: 51355 | Last updated: Sep 30, 2021
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Sample QuestionWhich part of the cell has the genetic material and is often called the "brain of the cell?"
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