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During strenuous activities such as exercising, the consumption of oxygen is greater than it's supply. As Oxygen is the final acceptor of electrons in the electron transport chain, without Oxygen the chai...
This process is called transcription. In the nucleus, an enzyme helicase is used to break the hydrogen bonds between the two strands of the double helix. Only o...
This reaction involves a transfer of hydrogen from NADH to pyruvate to produce lactate and NAD+. In order for glycolysis to continue to produce ATP for the cell to use, NAD+ is requi...
The student should give an answer that reflects that eukaryotic cells evolved later and have had lots of time to become different through evolution, for instance: “prokaryotic and eukaryotic cells have ma...
A stimulus excites a neuron by causing the opening of sodium channels. This causes an influx of sodium which causes the opening of other voltage-gated sodium channels. This causes the membrane...
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