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Biology
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Describe DNA replication. Is this process conservative?

DNA Nucleotides are monomers which form phosphodiester bonds during a condensation reaction to become polymer stands. Two polymer strands twist together into a double helix to form the final DNA molecule ...

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Answered by Suvi S. Biology tutor
2981 Views

Explain the difference between ventilation, gas exchange and cell respiration.

ventilation - achieved via breathing, the physical act of exchanging air between the lungs and the atmospheregas exchange - passive diffusion between alveoli and the bloodstream, resulting in the exchange...

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Answered by Izabela S. Biology tutor
2551 Views

What is the difference between competitive and non-competitive inhibition?

Competitive inhibition means the inhibitor molecule is a similar shape to the normal substrate molecule. Because of this similar shape, the inhibitor molecule is also able to bind...

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Answered by Sophie H. Biology tutor
2325 Views

Describe action potential and how it allows for signals to be transmitted along neurons.

To answer this question, we first need to understand what a neuron is and what its components are. A neuron is a nerve cell that transmits electrical impulses between cells to continue an action, to end a...

OM
Answered by Oliver M. Biology tutor
2117 Views

Describe how water moves from the soil into a root hair cell

Higher concentration of water outside the cell/lower concentration of solutes outside. Water moves into the cell, down a concentration gradient and through a selectively permeable membrane via osmosis

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Answered by Jess T. Biology tutor
4839 Views

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