DNA

Question 1

Main role of RNA is to _

Answer 1

Translate DNA code to manufacture proteins

Question 2

Three types of rna are messenger rna (mRNA) transfer rna (tRNA) and _

Answer 2

Ribosomal RNA (rRNA)

Question 3

RNA found in nucleus and _ of plants and animals

Answer 3

Cytoplasm

Question 4

Chain of RNa is single stranded and _

Answer 4

Shorter than DNA

Question 5

It can be helixed or

Answer 5

Straight

Question 6

RNA can also _ upon itself

Answer 6

Twist

Question 7

There are four possible bases attached to each _ in RNA molecule

Answer 7

Sugar

Question 8

The bases are adenine, cytosine, guanine, and _

Answer 8

Uracil

Question 9

Uracil takes place with _

Answer 9

Thymine

Question 10

Adenine always binds with _

Answer 10

Uracil

Question 11

Cytosine binds with _

Answer 11

Guanine

Question 12

DNA can’t leave nucleus so mRNA acts as messenger between DNA and _

Answer 12

Protein assembly units

Question 13

Protein assembly units are called

Answer 13

Ribosomes

Question 14

Transfer rna brings _ together during translation

Answer 14

Amino acids

Question 15

Ribosome contains _

Answer 15

RNA

Question 16

_ main component of ribosomes

Answer 16

rRNA

Question 17

Ribosomes read mRNA sequence and _ to build protein molecules

Answer 17

Translates it into amino acids

Question 18

RNA makes up _ percent of body weight

Answer 18

5

Question 19

DNA makes up _ percent of body weight

Answer 19

1