IB Bio SL Topic 2 Review 2022

Front

What is glucose?

Back

A simple sugar (monosaccharide) that is an important energy source in living organisms.

Front

What type of bond is formed between two amino acids?

Back

Peptide bond.

Front

What is a dipeptide?

Back

A molecule formed from two amino acids linked by a peptide bond.

Front

What type of bond is a covalent bond?

Back

A strong chemical bond formed by the sharing of electrons between atoms.

Front

What is a codon?

Back

A sequence of three nucleotides on mRNA that corresponds to a specific amino acid.

Front

What is ribose?

Back

A five-carbon sugar that is a component of RNA.

Front

What is a fatty acid?

Back

A carboxylic acid with a long aliphatic chain, which can be saturated or unsaturated.

Front

What is an amino acid?

Back

The building blocks of proteins, consisting of an amino group, a carboxyl group, and a side chain.

Front

What is the role of mRNA?

Back

To carry genetic information from DNA to the ribosome for protein synthesis.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar and is double-stranded, while RNA contains ribose sugar and is usually single-stranded.