DNA Structure and Function (post)

Name this structure

• double helix

• nucelotide

• Amino acid

• monosaccharide

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine

• guanine

• thymine

• uracil

Which organelle is DNA usually found in?

• cell membrane

• vacuole

• ribosome

• nucleus

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

The two strands of DNA are held together by:

• Hydrogen Bonds

• Phosphodiester Bonds

• Glycolsyl Bonds

• Glycosidic Linkages

The term used to describe DNA Replication is:

• Semi-Conservative

• Conservative

• AntiParallel

• Dispersive

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

The rungs of the DNA ladder contain

• Deoxyribose sugars

• Phosphates

• Nitrogenous bases

• the double helix

Who discovered that A=T and C=G?

• Franklin and Wilkins

• Watson and Crick

• Miescher

• Chargaff