Biology B3 topic 1 test

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What is used in Chemotherapy against Cancer?
Taxol, beacause it inteferes with the normal break down of microtubules during cell division.
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What are the uses of Quinine?
Treat Malaria, lowers the body temperature, kills the parasite Plasodium
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How are Cyanogens used in plant defence?
Enzymes in the cytoplasm catalyse the reaction of cyanognes to form hydrogen cyanide. This inhibits cellular respiration, resulting in death.
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Give 3 examples of alkaloids and describe their purposes
Examples include caffeine, nicotine, and quinine. Alkaloids weaken cell structures and inhibit protein synthesis, ultimately disrupting transmission of nerve impulses resulting in paralysis
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What is a disadvantage of plant defence?
Defensive chemicals take a lot of energy and resources
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Where is Aspririn found and what are its uses?
It is found in willow tree bark, from salicylic acid, to reduce fever, joint swelling, and the formation of blood clots
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What are the uses of Honey?
Honey treats MRSA, it contains antibacterials, and it keeps wounds clear of infection
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Other cards in this set

Card 2

Front

What are the uses of Quinine?

Back

Treat Malaria, lowers the body temperature, kills the parasite Plasodium

Card 3

Front

How are Cyanogens used in plant defence?

Back

Preview of the front of card 3

Card 4

Front

Give 3 examples of alkaloids and describe their purposes

Back

Preview of the front of card 4

Card 5

Front

What is a disadvantage of plant defence?

Back

Preview of the front of card 5
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