Structures of Ribonucleic Acid

Question 1

What is the structure of ribonucleic acid?

Answer 1

RNA
-Polymer
-Pentose sugar ribose
-Adenine, Guanine, Cytosine and Uracil
-Phosphate group

Question 2

What is the structure and function of mRNA?

Answer 2

STRUCTURE
-Single strand
-A,U,C,G bases
-Shorter strand
-Ribose sugar

FUNCTION
-Enters the cytoplasm and associates with ribosomes
-Acts as a template for protein synthesis

Question 3

What is the structure and function of tRNA?

Answer 3

STRUCTURE
-Small molecule made up of 80 nucleotides
-Single-stranded chain folded into a clover-leaf shape
-Anticodon

FUNCTION
-Transfers appropriate amino acids to the mRNA in order to synthesise a specific polypeptide
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