Lesson 3: Nucleic Acid

Question 1

DNA stands for?

Answer 1

Deoxyribonucleic acid

Question 2

RNA stands for?

Answer 2

Ribonucleic Acid

Question 3

Nucleic acid are macromolecules composed of units called __________?

Answer 3

Nucleotides

Question 4

Its a process where tRNA molecules bring amino acids to mRNA build a protein.

Answer 4

Translation

Question 5

It is a process where mRNA is formed from agene on a DNA strand.

Answer 5

Transcription

Question 6

Nucleotides consists of ?

Answer 6

Pentose sugar
Nitrogen - containing base
Phosphate

Question 7

It has a nitrogen base linked by a glycosidic bond to C1 of a sugar ( ribose or deoxyribose).

Answer 7

Nucleosides

Question 8

It forms a phosphate ester with the C5 ‘ OH group of sugar ( ribose or deoxyribose).

Answer 8

Nucleotides

Question 9

Nucleosides of Adenine?

Answer 9

Adenosine
Deoxyadenosine

Question 10

Nucleosides of Guanine?

Answer 10

Guanosine
Deoxyguanosine

Question 11

Nucleotides of Adenosine?

Answer 11

Adenosine 5’ monophosphate ( AMP)
Adenosine Deoxyguanosine 5’ monophosphate (dAMP)

Question 12

Nucleotides of Guanosine?

Answer 12

( GMP) Guanosine 5’ monophosphate
(dGMP) Guanosine 5’ monophosphate

Question 13

It transmits information from DNA to make proteins.

Answer 13

RNA

Question 14

It carries genetics information from DNA to the ribosome.

Answer 14

Messenger RNA ( mRNA)

Question 15

It brings amino acids to the ribosome to make the protein.

Answer 15

Transfer ( tRNA)

Question 16

It makes up 2/3 of ribosomes where proteins synthesis takes place.

Answer 16

Ribosomal RNA ( rRNA)

Question 17

It has a triplet called an ________ that complements a codon on mRNA.

Answer 17

Anticodon

Question 18

It is a sequence of amino acids in mRNA that determine the amino acid order for the protein.

Answer 18

Genetic Code