Top answers

Biology
A Level

What are the differences between the different sturctures of proteins?

There are 4 different structural forms of proteins; Primary, Secondary, Tertiary and Quaternary. The primary structure is a chain of amino acids joined by peptide bonds. The secondary structure is a chain...

MW
Answered by Max W. Biology tutor
5078 Views

Describe and explain two features of starch that make it a good storage molecule.


One feature is its compact shape. Starch molecules consists of two components: Amylose and Amylopectin. Amylose is the straight chained part and amylopectin is the branch chained part. Both these st...

IB
Answered by Iulia B. Biology tutor
42953 Views

Which organelle in the cell is responsible for supporting its 3D structure?

Cytoskeleton

MC
Answered by Morgan C. Biology tutor
2569 Views

Explain the process of Glycolysis and the products required and formed at each stage?

Glycolysis takes place in the cytoplasm and is anaerobic (requires no oxygen). 2ATP molecules are needed for the phosphorylation of glucose, forming hexose phosphate. Hexose phosphate is unstable and form...

AL
Answered by Abu L. Biology tutor
3806 Views

Explain how a deletion mutation in a strand of DNA can affect the primary, secondary and tertiary structures of the protein for which it codes.

A deletion in a strand of DNA would result in a frameshift mutation, where the other base pairs following the deletion would move 'to the left' which would change the base pairs throughout the rest of the...

WS
Answered by William S. Biology tutor
12184 Views

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