Physiology: Chemistry Questions

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How would you describe chemical elements?
some elements will react together to form compounds
1 of 13
An atom of Carbon contains?
6 protons, 6 electrons and either 6, 7, or 8 neutrons
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What is the molecular weight of C21H30O2?
(21X12)+(30X1)+(2X16) = 314
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W.Conotoxin has a molecular weight of 3037. How much is needed to make 100mls of a 1mM solution?
3037 = 1M /1000 to get mM=3.037 /10 to get 100mls=0.3037g
4 of 13
How would you describe W.Conotoxin?
it is a toxic protein produces by a deadly killer snail
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What does this picture of W.Conotoxin show?
tertiary protein structure
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A marine work respires at 10mmol O2 p/m/p/g or worm at 10'C, and 22 mmil O2 p/m/p/g at 20'C. Calculate the Q10.
22/10 = 2.2
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If the worm was cooled to 0'C, estimate the respiration rate.
it depends on what temperatures the worm is adapted to living at
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Which adaptations have evolved for animals that live at deep-sea hydrothermal vents?
symbiotic bacteria, heat tolerant proteins
9 of 13
Which of the following is true?
some animals have photosynthetic or chemosynthetic symbionts to make sugars and don't need to eat food
10 of 13
Which statement best describes photosynthesis?
it uses CO2 ad H2O to produce glucose and O2
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Which description of haemocyanin is correct?
it is a blue oxygen carrying blood pigment
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Which two blood cell types have similar functions?
macrophages and haemocytes
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Other cards in this set

Card 2

Front

An atom of Carbon contains?

Back

6 protons, 6 electrons and either 6, 7, or 8 neutrons

Card 3

Front

What is the molecular weight of C21H30O2?

Back

Preview of the front of card 3

Card 4

Front

W.Conotoxin has a molecular weight of 3037. How much is needed to make 100mls of a 1mM solution?

Back

Preview of the front of card 4

Card 5

Front

How would you describe W.Conotoxin?

Back

Preview of the front of card 5
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