ch. 11 Snow Day DNA

After DNA replication, the two DNA molecule that are made

• are opposite

• B. are identical

• C.leave the nucleus

• D. cannot replicate again

Which scientists produced X ray patterns that showed the fibers of DNA to be twisted?

• A.Crick and Franklin

• B. Watson and Crick

• C. Wilkins and Franklin

• D. Chargaff and Wilkins

Cytosine and Thymine are

• A. Phosphates

• B. Nucleic Acids

• C. Purines

• D. Pyrimidines

The two strands of a DNA double helix are

• A. Purines

• B. Pyrimidines

• C. Complementary

• D. Identical

A nucleotide does NOT consist of a

• A. Nitrogen Base

• B. 5 Carbon Sugar

• C. phosphate group

• D. polymerase

Nitrogen bases are connected by

• Strong hydrogen Bonds

• Strong Nitrogen Bonds

• Weak Nitrogen Bonds

• Weak hydrogen Bonds

DNA is wound around a protein called...

• Histone

• Nucleotide

• Nucleosome

• Chromatin

DNA stands for...

• Deoxyribose Acid

• Deoxynucleic Acid

• Deoxyribonucleic Acid

• Ribonucleic Acid

DNA is a long thin molecule made up of __________ with the sugar deoxyribose.

• Glycerol

• Polypeptide Chains

• Polysaccharides

• Nucleotides

What are the four different types of nucleotides that are found in DNA?

• Adenine (A)

• Cytosine (C)

• Thymine (T)

• Uracil (U)

• Guanine (G)