DNA Structure Warm Up 2
Welcome to the electronic classroom frontier of the 21st century. This warm up 2 will concentrate questions on the DNA Structure and the scientists involved in the research. As "fill-in" questions appear during the bell ringers, please enter your answers using all lower case letters. Unless, the HINT has provided you with new instructions. This warm up has an unlimited number of attempts to better serve your LEARNING and TEST-TAKING skills. Also, each attempt of the warm up generates new questions. I wish you the very best and earn high marks on this warm up.
- 1.Identify the American biologists that teamed with a British graduate student from Cambridge University in the 1950's?
- A.
Alfred Nobel
- B.
James Watson
- C.
Francis Crick
- D.
Oswald Avery
- E.
Martha Chase
- 2.Which team of biologists received the nobel peace in 1962, for the work on the DNA molecule?
- A.
Crick and Watson
- B.
Franklin and Avery
- C.
Chase and Hershey
- D.
Franklin and Crick
- 3.Each DNA nucleotide consists of a five-carbon sugar, a phosphate group, and a nitrogenous base.
- A.
True
- B.
False
- 4.A _____ bond holds the nitrogenous bases together.
- A.
Ionic
- B.
Polar
- C.
Hydrogen
- D.
Metallic
- E.
Covalent
- F.
Polar covalent
- 5.Adenine, a nitrogenous base is classified as a(n)_____.
- A.
Nucleic acid
- B.
Pyrimidine
- C.
Protein
- D.
Purine
- E.
Carbohydrate
- 6.Guanine, a nitrogenous base is classified as a(n)_____.
- A.
Nucleic acid
- B.
Pyrimidine
- C.
Protein
- D.
Purine
- E.
Carbohydrate
- 7.Thymine, a nitrogenous base is classified as a(n)_____.
- A.
Nucleic acid
- B.
Pyrimidine
- C.
Protein
- D.
Purine
- E.
Carbohydrate
- 8.Cytosine, a nitrogenous base is classified as a(n)_____.
- A.
Nucleic acid
- B.
Pyrimidine
- C.
Protein
- D.
Purine
- E.
Carbohydrate
- 9.Erwin Chargaff observed that one purine and one pyrimidine composes a nitrogenous base pair. Which pair below are correctly bonded?
- A.
Adenine : Cytosine
- B.
Adenine : Guanine
- C.
Adenine : Thymine
- D.
Adenine : Adenine
- 10.Erwin Chargaff observed that one purine and one pyrimidine composes a nitrogenous base pair. Which pair below are correctly bonded?
- A.
Adenine : Cytosine
- B.
Adenine : Guanine
- C.
Cytosine : Thymine
- D.
Guanine : Cytosine
- 11.Complete the base sequence of the following: Adenine, Guanine, Thymine, Guanine, Cytosine, Cytosine.
- A.
Thymine, Cytosine, Adenine, Thymine, Adenine, Guanine,
- B.
Thymine, Cytosine, Adenine, Cytosine, Guanine, Guanine
- C.
Uracil, Adenine, Thymine, Thymine, Cytosine, Guanine
- D.
Thymine, Cytosine, Uracil, Cytosine, Guanine, Guanine
- 12.Adenine has _____ ring structure.
- A.
Single
- B.
Double
- C.
Triple
- D.
Six
- 13.Guanine has _____ ring structure.
- A.
Single
- B.
Double
- C.
Triple
- D.
Six
- 14.Thymine has _____ ring structure.
- A.
Single
- B.
Double
- C.
Triple
- D.
Six
- 15.Cytosine has _____ ring structure.
- A.
Single
- B.
Double
- C.
Triple
- D.
Six
- 16.What piece of information did Franklin and Wilkins have that helped Watson and Crick determine the double helix structure of DNA?
- A.
X-ray diffraction photographs
- B.
C.A.T. Scans
- C.
Ultraviolet photographs
- D.
LASER photographs
- E.
Bases have chemical signature
- 17.Name the three parts of a nucleotide. (NOTE: this is a multiple answer question.)
- A.
Sugar
- B.
Phosphate
- C.
Nitrogenous base
- D.
Option4
- 18.Given a short base sequence of DNA, provide the complementary base pairs. A-C-T-G-C-A-A-G-T (NOTE: Please use the format in your answer.)
- 19.State the base-pairing rules in DNA. (NOTE: there are two (2) correct answers.)
- A.
Guanine and Cytosine Pair
- B.
Thymine and Adenine Pair
- C.
Guanine and Adenine Pair
- D.
Thymine and Uracil Pair
- E.
Uracil and Guanine Pair
- 20.If 5.50 picograms of DNA could be extracted from a certain number of human muscle cells, about how many picograms of DNA could be extracted from the same number of human gamete cells?
- A.
2.75
- B.
5.50
- C.
16.5
- D.
22.0
- E.
27.5
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