DNA And RNA

Question 1

1. DNA

Answer 1

Deoxyribonucleic acid; the genetic material that
carries information about an organism and is passed from
parent to offspring.

Question 2

2. Chromosomes

Answer 2

threadlike structures within a cell’s nucleus
that contain DNA that are passed on from one generation to
the next.

Question 3

3. Double Helix

Answer 3

the twisted ladder structure of DNA.

Question 4

4. Nitrogen Base

Answer 4

molecules that contain nitrogen and other

elements that makes up the rungs (middle section) of DNA.

Question 5

5. Adenine

Answer 5

one of the four nitrogen bases that make up the

rungs of DNA; it is abbreviated A.

Question 6

6. Thymine

Answer 6

one of the four nitrogen bases that make up the

rungs of DNA; it is abbreviated T.

Question 7

7. Guanine

Answer 7

one of the four nitrogen bases that make up the

rungs of DNA; it is abbreviated G.

Question 8

8. Cytosine

Answer 8

one of the four nitrogen bases that make up the

rungs of DNA; it is abbreviated C.

Question 9

9. Gene

Answer 9

a section of a DNA molecule that contains the

information to code for one specific protein.

Question 10

10. DNA replication

Answer 10

the process in which an identical copy

of a DNA strand is formed for a new cell.

Question 11

11. RNA

Answer 11

Ribonucleic acid; the genetic messenger that
carries the genetic code from DNA inside the nucleus to the
cytoplasm.

Question 12

12. Uracil

Answer 12

a nitrogen base found in RNA instead of thymine;

abbreviated U.