PBS

What is the purpose of gel electrophoresis?

• helps cut DNA

• count the genes in DNA

• separates DNA based on size

• allows for an exact replicated organism

"bp" stands for...

• Blood Pressure

• Base Pair

• Body Pressure

• Body Pair

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The drawing shows the structure of what molecule?

• DNA molecule

• lipid molecule

• carbohydrate molecule

• protein molecule

Tags

NGSS.HS-LS1-1

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains uracil

Tags

NGSS.HS-LS1-1

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

• cytosine

• guanine

• thymine

• uracil

Tags

NGSS.HS-LS1-1

According to this gel, who is most likely the child of the dad?

• Child 1

• Child 2

• Both children are his.

• Neither child is his.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• amino acids

• nucleotides

• fatty acids

• polysaccharides

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

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