Top answers

Biology
A Level

What is co-transport and why do I sometimes hear it being called active transport?

Example: absorption of sodium ions (Na+) and glucose by cells lining the ileum (a part of the small intestine)  1. Na+ actively transported into the blood from epithelial cells, by...

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Answered by Olivia L. Biology tutor
8204 Views

What is the role of the rough endoplasmic reticulum and the Golgi apparatus in protein transport within cells?

Firstly, during protein synthesis, the DNA is transcribed into mRNA in the nucleus, which then can move out of the nucleus into the cytoplasm. This is where translation occurs, where the mRNA is read and ...

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Answered by Mary-Jane G. Biology tutor
4849 Views

Why is glycogen suitable for energy storage in cells?

Glycogen is the storage form of glucose found in liver and muscle cells. It is formed during glycogenesis when excess blood glucose is taken up into liver and muscle cells via insulin release. When blood ...

MO
Answered by Mahdia O. Biology tutor
17777 Views

How does synaptic transmission across a neuromuscular junction work?

In order to answer the question, it is important to understand the terminology used. The neuromuscular junction refers to the communication between a neuron (neuro) and muscle cell (muscular). There are m...

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Answered by Ellie T. Biology tutor
8045 Views

How does homeostasis work to control temperature in the body? (high temperature example)

Homeostasis works as a negative feedback mechanism meaning when a certain factor goes too high or too low the body will work to reverse it and bring it back to normal i.e. if temperature ...

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Answered by Alex H. Biology tutor
8651 Views

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