DNA

Which of the following best describes a DNA molecule?

• contains Uracil

• double helix

• made of amino acids

• found in the mitochondria of all cells

Tags

NGSS.HS-LS1-1

Why is DNA important?

• It is very small and very complicated.

• It's in everything.

• It serves as the blueprint for traits

  of all living things.

• We eat it every day for energy.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The base Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

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

• the shape (structure) of the bases

• the order (sequence) of the bases

• the color of the bases

• the frequency (number) of bases

Tags

NGSS.HS-LS1-1

Which two scientists are accredited with correctly deducing the double helix model of DNA?

• Watson and Crick

• Wilkins and Franklin

• Mendel and Crick

• Chargoff and Mendel

Which series is arranged in order from smallest to largest in size?

• gene, chromosome, cell, DNA, nucleotide

• cell, nucleus, DNA, gene, nucleotide

• nucleotide, gene, DNA, nucleus, cell

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

What are the 4 nitrogen bases?

• adipose, thymine, cytoplasm, and glucose

• adenine, thymine, cytosine, and guanine

• adenine, turacil, cytosine, and gylcerol

Which sequence of DNA bases would pair with this partial strand

ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

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