RNA and Protein Synthesis

Question 1

List the Three differences between DNA and RNA

Answer 1

1.) -DNA- DOUBLE STRANDED -RNA- SINGLE STRANDED
2.) -DNA- has sugar deoxyribose -RNA- sugar ribose
3.) -DNA- Contains thymine -RNA- Contains uracil

Question 2

List Three types of RNA

Answer 2

1.) mRNA
2.) tRNA
3.) rRNA

Question 3

What is the function on rRNA?

Answer 3

-Reading the order of amino acids
-Linking amino acids together

Question 4

What is the function of tRNA?

Answer 4

-Helps decode a messanger RNA sequence into a protein

Question 5

What if the function of mRNA?

Answer 5

Carry protein info from the DNA in a cell’s nucleus to the cells cytoplasm

Question 6

From which molecules are mRNA molecules transcribed?

Answer 6

DNA template

Question 7

What happens during transcription?

Answer 7

A piece of DNA that codes for a specific gene is copied into mRNA in the nucleus of the cell

Question 8

What is the correct sequence of information from most organisms?

Answer 8

DNA- RNA- Protein

Question 9

Define exons

Answer 9

A region of the genome that ends up within an mRNA molecule.

Question 10

Define Irons

Answer 10

A region that resides within a gene nut does not remain in the finial mature mRNA.

Question 11

What are the three main parts of an RNA nucleotide?

Answer 11

Nitrogenous base, ribose, phosphate group

Question 12

What are proteins made of?

Answer 12

Amino Acids containing mostly hydrogen, carbon, nitrogen, and oxygen.

Question 13

What do codons specify?

Answer 13

A specific amino acid

Question 14

How many codons are in the genetic code?

Answer 14

64

Question 15

What is an anticodon?

Answer 15

A trinucleotide sequence located at one end of a tRNA molecule.

Question 16

What does the order of the nitrogenous bases in DNA determine for proteins?

Answer 16

The genetic code

Question 17

What happens during translation?

Answer 17

Proteins are made using the info started in the mRNA sequence