Top answers

Biology
A Level

How do mitosis and meiosis have different outcomes?

The beginning of both of these cell activities are very similar with the 23 pairs (46) chromosomes replicating resulting in 2 sister chromatids. At this point when the spindle fibres attach is when the pr...

TP
Answered by Thomas P. Biology tutor
2257 Views

What are the models for enzyme action and how to remember the differences?

The two models to explain the actions of enzymes with substrates are the Lock and Key model & Induced fit model. In lock and key the enzyme is the lock and the substrate is the key. As with a lock and...

TP
Answered by Thomas P. Biology tutor
44375 Views

How can a diet high in fats lead to heart disease?

A diet high in fat can lead to the formation of atheroma plaques with in blood vessels. These plaques make the walls of vessels rougher which increases the likelyhood of a clot forming. If a clot moves to...

EM
Answered by Ellen M. Biology tutor
2928 Views

What is a neuron and its function?

The neuron is the basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells. Neurons are cells within the nervous system that transm...

MB
Answered by Marie B. Biology tutor
17182 Views

Describe the role of RuBISCO in photosynthesis.

RuBISCO is an enzyme that is involved in the light independent reactions of photosynthesis, specifically, in the Calvin Cycle. This reaction takes place in the stroma. It catalyses the reaction of carbon ...

CD
Answered by Claudia D. Biology tutor
26159 Views

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