DNA

Which sequence of DNA bases would pair with this DNA partial strand?

ATG TGC

• ATG TGC

• TAC ACG

• GTA ACT

• CAT TCA

• UAC ACG

Which of the following best describes a DNA molecule?

• Double Helix

• Contains Ribose

• Made of Amino Acids

• Contains Uracil

• Single Helix

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

• Cytosine

• Guanine

• Thymine

• Uracil

• Ribose

Which of the following units are repeatedly joined together to form a strand of DNA?

• Amino Acids

• Nucleotides

• Fatty Acids

• Polysaccharides

• Phospholipids

In DNA, Guanine always bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

• Ribose

Why is DNA important?

• It is very small & very complicated

• It's in everything

• It serves as the blueprint for traits of all living things

• Because we eat it every day for energy

• Because it helps solve all the worlds problems

What determines the code, or information, of a DNA molecule?

• The shape (structure) of the nitrogen bases

• The order (sequence) of the nitrogen bases

• The color of the nitrogen bases

• The frequency (number) of nitrogen bases

• The Hydrogen Bonds

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

• Deoxyribose Sugars & Nitrogen Bases

• Deoxyribose Sugars & a Hydrogen Bond

• Deoxyribose Sugars & the Nucleus

• Deoxyribose Sugars & Phosphates

Which organelle is DNA usually found in?

• Cell Membrane

• Vacuole

• Chloroplast

• Nucleus

• Nuclear Pore

Nitrogenous bases are joined by which type of bond?

• Polar Bonds

• Ionic Bonds

• Covalent Bonds

• Hydrogen Bonds