DNA Practice

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

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

• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?

• In order for genetic information to be transferred into daughter cells.

• In order for the cell to be able to increase in size.

• In order for the DNA to be contained in the nucleus.

• In order for the cell to re-order the DNA sequencing in the new cells.

Tags

NGSS.HS-LS1-4

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

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

In what phase of the cell cycle does DNA replication take place?

• G1

• S

• G2

• M

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Why does DNA stay in the nueclus?

• To protect it from becoming damaged.

• It is lazy. 

• It is grounded. 

• It cannot move.