Top answers


Name the three components of a nucleic acid

pentose sugar and phosphate group backbone nitrogenous base
GS
Answered by George S. Biology tutor
4643 Views

How do humans regulate their body temperature?

The hypothalamus in the brain controls the body temperature. If the temperature gets too high: receptors in the hypothalamus detect the change. the heat loss centre is stimulated causing 3 things: vasodialat...
OH
Answered by Ollie H. Biology tutor
5121 Views

What are the differences between fast and slow twitch skeletal muscle fibres?

We have two types of muscle in our body with each having different properties, functions and distributions in the human body. Fast twitch muscle fibres (also known as type II muscle fibres) are able to contr...
JB
Answered by Jack B. Biology tutor
92007 Views

What is the role of auxin in plant phototropism?

Starting with the basics: 1. Auxin is a plant hormone, so it is a chemical substance involved in regulating the action of certain cells within an organism. 2. Phototropism is the process by which plant grow ...
TD
Answered by Tiago D. Biology tutor
68868 Views

What is the difference between cells, tissues, organs and organ systems?

You can think of these 4 things as a hierarchy, where each 'element' is a building block for the next level. The smallest 'unit' are cells . There are trillions of cells in your body and these cells together...
CG
Answered by Callum G. Biology tutor
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