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

Tags

NGSS.HS-LS3-2

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