Top answers

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
92350 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
69208 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
81249 Views

Explain the formation of a new species

Speciation (the formation of a new species) can be broken down into a few concise steps. The most important step is the isolation of two populations. This usually occurs because of physical factors such as a...
AJ
Answered by Aidan J. • Biology tutor
13067 Views

How are chloroplasts adapted to their function?

Many grana, large surface area for photosynthetic pigments, electron carriers and ATP synthase enzymes. Photosynthetic pigments are arranged into structures called photosystems, allows maximum absorption of ...
MA
Answered by Matthew A. • Biology tutor
119863 Views