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Biology
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What is the protein synthesis pathway in the cell?

A certain gene on a chromosome in the nucleus is transcribed, and the mRNA coding for the protein found on said gene moves to the rough endoplasmic reticulum where it enters a ribosome. The desired protei...

Answered by Eloise S. Biology tutor
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Meselson & Stahl grew E. coli cells in a dense N15 nitrogen medium, then transferred to a lighter N14 nitrogen medium. Describe the observations of their experiment (until the third generation) and use it to explain the mechanism of DNA replication.

Observations:- After each generation, the amount of DNA will be doubled during the S phase of interphase- At the start, all DNA will be labelled N15- In...

Answered by Biology tutor
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Outline how neurons generate a resting potential

Neurons use a sodium potassium pump to maintain a resting potential in the body. Inside a cell normally, there are more sodium in the cell and fewer potassium outside the cell, and hence there is a negati...

Answered by Biology tutor
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Where in the nephron does osmoregulation occur?

In the Loop of Henle. Here a salt gradient is established as the loop of Henle is permeable to both water and salts such as sodium.

Answered by Biology tutor
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Describe the Process of DNA Replication

During DNA Replication, the existing molecule gets replicated, resulting in two semi-conservative DNA molecules. The enzyme helicase unwinds and unzips the double helix of the DNA, while ...

Answered by Biology tutor
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