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What happens during mitosis?

Mitosis consists of four stages: prophase, metaphase, anaphase and telophase. During prophase, the chromosomes that have already been replciated during interphase become condensed, making them visible under ...
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Answered by Valentina G. • Biology tutor
11946 Views

How does the kidney produce concentrated urine?

There are various mechanisms by which the kidney produces concentrated urine. The most important of these are the loop of Henle and the role of ADH, anti-diuretic hormone. Let's examine each of these in turn...
AH
Answered by Amy H. • Biology tutor
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How does vaccination provide immunity?

Pathogens are microorganisms that can cause disease. If they enter the body, they can start an immune response. On their surface, they have antigens, which are substances that start that immune response. Ant...
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Answered by Lana F. • Biology tutor
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How is information passed across a synapse?

A synapse is a junction between neurons. For neurons to communicate signals to each other, it is vital that information can cross the synapse when appropriate. The neuron before the synapse (the presynaptic ...
AT
Answered by Alex T. • Biology tutor
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Which of these is a correctly balanced equation for respiration? C6H12O6 + 3O2 → CO2 + 3H2O C6H12O6 + 6O2 → 6CO2+ 6H2O C6H12O6 + 6O2 → 6CO2 + 3H2O

Teaching points: Go through balancing equations Formalae of glucose Different types of Respiration - and how to balnce other equations Respiration in animals vs plants By product of Lactic acid - what it is ...
AP
Answered by Anish P. • Biology tutor
9530 Views