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Biology
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Explain Darwins theory of evolution by natural selection (5 marks)

A mutation will randomly occur in individuals within a species, providing a larger variation in genes. This mutated gene may produce characteristics which are beneficial for the individual in their enviro...

ER
Answered by Elisha R. Biology tutor
9464 Views

What is the role of the synapse in neuronal transmission, and why is it important?

The synapse is a structure that permits a neuron to send an electrical or chemical signal to another neuron. It is where neurones can communicate with each other.

It contains a pre-synapti...

CM
Answered by Connor M. Biology tutor
3185 Views

What is mitosis?

Mitosis is the process of division of a single cell to create two identical daughter cells. It involves four distinct phases: prophase, metaphase, anaphase and telophase, followed by cytokinesis. Each of ...

KR
Answered by Kerry R. Biology tutor
2634 Views

Mom has blood type A and father has blood type B. a) If mom has AA and dad B.B. genotype, determine their children’s genotype. b) If mom has AO and father has B.B. genotyoe, determine their children’s genotype and the likelihood.

If the mom has blood type A, her genotype could either be AA or AO. She has at least one copy of A allele. 

If the father has blood type B, his genotype could either be BB or BO. He has at least on...

ML
8032 Views

Explain the importance of neurones and synapses in the reflex arc

The reflex arc is essential in producing a quick involuntary response aimed to prevent injury in an individual. In response to a stimulus (such as intense heat/fire), the sensory neuron detects this and t...

HR
Answered by Hanin R. Biology tutor
16978 Views

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