Questão 1
Questão
A person who is malnourished:
Questão 2
Questão
Inherited factors affect metabolic rate but cannot affect cholesterol levels.
Questão 3
Questão
The WBCs help defend against pathogens by:
Questão 4
Questão
What is the max temp a petri dish culture in a school should be kept at?
Responda
-
20ºC
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25ºC
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30ºC
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35ºC
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40ºC
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45ºC
Questão 5
Questão
In the synapse between the sensory and the motor neurone, a chemical is released across the synapse, that causes an impulse to be sent along the motor neurone.
Questão 6
Questão
Many modern oral contraceptives are . . . . or . . . . .
Responda
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mainly progesterone
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mainly oestrogen
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mainly LH
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mainly FSH
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progesterone only
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oestrogen only
Questão 7
Responda
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The plant's response to light
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The plant's response to gravity
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is controlled by auxin
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is controlled by ethylene
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The plant's response to lack of glucose
Questão 8
Questão
The way that auxin works is that when in contact with the plant cells it causes them to grow more rapidly. It is present in the tips of the plants.
Questão 9
Questão
How many different organisms are used for testing new drugs before it is released commercially?
Questão 10
Questão
Thalidomide was developed as a morning sickness pill
Questão 11
Questão
Lichen are a particularly useful as an indicator of what?
Questão 12
Questão
Invertebrate animals can be used as water pollution indicators of . . . . in water
Responda
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oxygen
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CO2
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SO2
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nutrients
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nitrates
Questão 13
Questão
Microorganisms digest fastest in warm, dry, aerobic conditions.
Questão 14
Questão
In genetic engineering how are the genes 'cut out'?