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What is the Krebs cycle?

Photosynthesis has four stages: Glycolysis. The Link Reaction. 3. The Krebs Cycle. Oxidative Phosphorylation. Photosynthesis converts glucose from food into energy that the body can use called ATP. In the fi...
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Answered by Megan S. • Biology tutor
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Name the first stage of respiration. How many net ATP molecules are produced?

Glycolysis - 2 ATPs (net) are produced. 2 are input into the reaction and 4 are produced as a result.
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Answered by Lydia W. • Biology tutor
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How does the body's response to a second infection by a bacterial pathogen differ from the first? (3 marks)

faster response due to the presence of memory cells there are many more cells specific for this pathogen therefore clonal selection and expansion of B cells is quicker - antibody production is quicker theref...
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Answered by Beth T. • Biology tutor
3102 Views

Explain the role of inorganic ions in the body.

The resting membrane potential of cells is maintained by the actions of Na+ and K+. A resting cell is impermeable to Na+ so the concentration of Na+ is greater outside the cell than in it. However the cell i...
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Answered by Callum D. • Biology tutor
7845 Views

During succession the species present changes. Explain why.

The pioneer species (or any other species) changes the environment, making it less hostile. Also some species are better competitors and out-compete others.
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Answered by Alfie B. • Biology tutor
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