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Biology

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Question

What part of the nervous system is not involved in producing reflex actions?

answer

Brain

Spinal cord

Receptors

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Question

What is one of the functions of white blood cells?

answer

To carry oxygen in the bloodstream.

To produce heat.

To ingest and destroy pathogens.

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Question

You need two copies of the faulty allele to have cystic fibrosis. This means that the allele is:

answer

Recessive

Dominant

Sex-linked

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Question

How do antibiotics work?

answer

They can stop bacteria from reproducing.

They can stop viruses from reproducing.

They can stop toxins poisoning the tissues of the host.

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Question

Identical twins are very similar to each other mainly because:

answer

They were born within minutes of each other.

They have identical genetic information.

They have the same parents.

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