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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 structures ...
IB
Answered by Iulia B. • Biology tutor
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Which organelle in the cell is responsible for supporting its 3D structure?

Cytoskeleton
MC
Answered by Morgan C. • Biology tutor
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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 forms t...
AL
Answered by Abu L. • Biology tutor
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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 st...
WS
Answered by William S. • Biology tutor
12486 Views

Explain what is meant by counter current exchange in fish? Describe how it works and what adaptations the gills have to assist it.

Counter current exchange is the mechanism in which oxygen enters the blood in fish. Blood flows in the opposite direction to the water that flows over the fish's gills. Fish gills have gill filaments and the...
KF
Answered by Katie F. • Biology tutor
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