Gene Expression Hei Mahi

Metabolic pathways are controlled by ------

Label the following nucleotide for RNA

a

b

c

Ribose sugar

Base

Deoxyribose sugar

Phosphate

Organize these options into the right categories

Groups:

(a) DNA

,

(b) RNA

• Singe stranded

• Uracil base

• Can leave nucleus

• Thymine base

• Cannot leave nucleus

• Double stranded

A single chain of amino acids is called

• Polypeptide chain

• Enzyme chain

• Peptide chain

• Amino acid chain

Transcription is the process of ​ (a)   genetic information from ​ (b)   to ​ (c)   .

Translation is the process where a ​ (d)   is synthesised from​ mRNA in the form of an ​ (e)   chain .

• copying
• DNA
• mRNA
• protein
• amino acid

Match the following

• End product inhibition

• Photosynthesis

• Degenerate code

• Respiration

• Codon

• More than one codon can code for a particular amino acid

• Catabolic

• Triplet of bases that codes for an amino acid

• Anabolic

• The end product of a pathway inhibits an enzyme within the pathway.