CH 11 DNA test

Which sequence of DNA reads ATG TGA CAG. What does the other strand read?

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

Which of the following units are repeatedly joined together to form a strand of DNA? They're also known as the building blocks of DNA.

• amino acids

• nucleotides

• fatty acids

• sugars

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
• because we eat it every day for energy

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

A strand of DNA has 15% Adenine (A). How much Cytosine (C) will it have?

• 15

• 70

• 35

• 30

What sugar is in DNA?

• deoxyribose
• ribose
• oxyribose
• deoxyose

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

What are the three components of a nucleotide?

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

Which of the following will pair with Cytosine?

• Thymine

• Guanine

• Adeine