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Biology
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Is respiration the same thing as breathing?

No, they are not the same (although they do both involve the respiratory system!).

The key differences:Breathing is the process of moving air in and out of the lungs - like when you take a bre...

RL
Answered by Rhiannon L. Biology tutor
27225 Views

What are the four levels of protein structure?

Primary - The sequence of amino acids in the Protein, defined by the DNA sequence coding for the protein. 

Secondary - Any folding or coiling within the protein which are stabilised by hy...

TN
Answered by Theo N. Biology tutor
5594 Views

How do B-Lymphocytes Work?

B-Lymphocytes remain in the bone marrow until they mature and then spread throughout the body, concentrating in the lymph nodes and the spleen.They express a specific intrinsic protein called a B-cell rec...

MJ
Answered by Michael J. Biology tutor
9634 Views

How can I learn all the difficult memory facts if I am not good at memorisation?

Don't panic! This is a thought that goes through every student who does IB or A Level Biology, and the answer is that there are an endless number of techniques and tricks that can help every different ...

AG
Answered by Ana G. Biology tutor
2571 Views

What happens in the process of eutrophication?

1. Fertilisers are washed into waterways by rain or irrigation.

2. The increased availability of nutrients causes aquatic plant life to grow rapidly.

...
AA
Answered by Alexander A. Biology tutor
11292 Views

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