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GCSE

Outline the main differences between an artery and a vein? (6 marks)

An artery carries blood away from the heart. The blood is oxygenated with the exception of the pulmonary and umbilical artery. The vessel must cope with high pressure demands and therefore has thick, elas...

KB
Answered by Katy B. Biology tutor
2942 Views

When do we use the present tense?

We use the present tense when we're describing what we're doing now or something we do regularly. Examples: Je vais au cinema Je joue au foot Phrases we use with the pres...

NA
Answered by Natasha A. French tutor
2763 Views

What is the difference between genotype and phenotype?

Genotype is the alleles that you have for a specific gene

Phenotype is the physical expression of the genotype (think phenotype, physical expression to remember which is which!)

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AC
Answered by Abigail C. Biology tutor
12126 Views

Explain the difference between a receptor and an effector using examples.

Receptors  have the abilty to detect a stimuli which include changes in surroundings such as pressure on the skin. This stimuli is then converted into an impulse.  Examples of receptors include the retina...

MS
Answered by Mohini S. Biology tutor
18519 Views

What does it mean to say that a philosophical theory is deontological?

Deontoligoal ethics, also known as duty-based ethics, are concerned with what people do, not with the consequences of their actions. Deontology teaches that some actions are right or wrong in themselves, ...

SN
Answered by Svenja N. Philosophy tutor
3238 Views

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