Top answers

Biology
A Level

Describe the properties of primary protein structure.

The main component of primary protein structure is that it is composed of amino acids. 

The amino acids are connected via covalent chemical bonds more specifically called the peptide bond.

A...

AV
Answered by Alysha V. Biology tutor
3288 Views

Explain what happens in the body when a Polio vaccine is administered.

The vaccine contains a weakened or inactivated form of the virus. The viral particle displays an antigen on its surface specific to poliovirus. Once in the blood, a specific helper T cell will detect the ...

FG
Answered by Freddie G. Biology tutor
3087 Views

Describe the components of the fluid mosaic model (6).

The fluid mosaic model describes the typical plasma membrane as a phospolipid bilayer (1), composed of phosphates with fatty acid tails, which face each other inwardly. Within the phospholipid bilayer are...

GC
Answered by Gregor C. Biology tutor
14531 Views

What is the difference between respiration and breathing?

Respiration is the biochemical breakdown of glucose in the cell to prouce energy in a usable form of ATP (the body's energy currency). Respiration can be in the presence of oxygen (aerobic) or without oxy...

OW
Answered by Ollie W. Biology tutor
10939 Views

How are the alveoli adapted to allow efficient gas exchange within the lungs?

The efficiency of gas exchange across a surface is determined by Fick's Law. Fick's Law states that, for the diffusion of a gas to be efficient, three conditions should be met. Firstly, the surface area o...

OP
Answered by Olivia P. Biology tutor
25820 Views

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