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Explain the events that occur in cells that result in the production of genetically identical nuclei (8 marks)

This process of events is called mitosis (1) Mitosis includes these stages: Interphase, Prophase, Metaphase, Anaphase, Telophase/Cytokinesis (1) DNA replication occurs in Interphase (1) Prophase - chromosome...
RR
Answered by Rebecca R. • Biology tutor
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Discuss the bonds which comprise the tertiary structure of protein.

Bonds in a protein's tertiary structure occur entirely between the highly variable R-groups of the amino acyl residues. Firstly, hydrogen bonds further to those in the secondary structure may form between th...
JB
Answered by Jamie B. • Biology tutor
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What is the difference between aerobic and anaerobic respiration?

Aerobic respiration needs oxygen. It is the release of a relatively large amount of energy in cells by the breakdown of food substances in the presence of oxygen: glucose + oxygen → carbon dioxide + water Ae...
DH
Answered by Dan H. • Biology tutor
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Name and describe the 4 steps involved in aerobic respiration

Glycolysis- This is the first step which occurs in the cytosol. glucose broken down into pyruvate yielding 2 net atp and 2 pyruvate molecules per glucose. This is the only step in anaerobic respiration. Link...
UO
Answered by Uchenna O. • Biology tutor
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How is information transmitted across a chemical synapse?

By neurotransmitters. At a neuromuscular junction, the neurotransmitter is Acetylcholine released from vesicles in the pre-synaptic neurone. Receptors on the muscle cell surface bind acetylcholine in the pro...
UO
Answered by Uchenna O. • Biology tutor
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