Question 1 Why was DNA originally called \"nuclein\"? It was radioactive. It was

Question

Question 1
Why was DNA originally called "nuclein"?

It was radioactive.
It was isolated from fish.
It was found by a Swiss scientist.
It was found in the nucleus.
Question 2
DNA wasn't definitively shown as the carrier of inheritance until which year?

1901
1886
1978
1952
Question 3
In a DNA molecule, the nitrogenous base pairs are to the

outside.
inside.
front.
none of the above
Question 4
Which of the following is NOT a nitrogenous base in a DNA molecule?

thymine
cytosine
uracil
adenine
Question 5
The number of which base is equal to the number of thymine in a DNA molecule?

guanine
adenine
cytosine
none of the above
Question 6
In DNA, adenine is always paired with

cytosine.
guanine.
thymine.
uracil.
Question 7
The number of adenine in a DNA molecule equals the number of

guanine.
cytosine.
thymine.
all of the above
Question 8
How is a DNA molecule "unzipped"?

An enzyme breaks the hydrogen bonds.
It is heated until it splits.
New nucleotides lodge themselves between bases.
none of the above
Question 9
Nucleotides used for DNA replication in eukaryotic cells are made where?

nucleus
mitochondria
Golgi apparatus
smooth ER
Question 10
Which of the following is NOT a likely method of DNA replication as determined by the structure of DNA?

conservative replication
semiconservative replication
dispersive replication
none of the above

Explanation / Answer

1) It was found in nucleus 2)1952 3)Inside 4)Uracil 5)Adenine 6)Thymine 7)Thymine 8) An enzyme breaks the Hydrogen bonds. 9) Nucleus 10) None of the above

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