AS Biology Quiz

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  • Created by: Abi.99
  • Created on: 14-03-17 18:16
What causes Benedict's Reagent to change from blue to red?
Reducing Sugars
1 of 21
Why does glycogen have many branches?
Easy access glucose for respiration
2 of 21
What is the test for lipids?
Emulsion Test
3 of 21
What is the positive result of a Biuret test?
Blue -> Lilac
4 of 21
What does 'hypertonic' mean?
The concentration of solutes is greater outside the cell than in it.
5 of 21
How does an enzyme speed up a reaction?
Decreases activation energy
6 of 21
Where is the energy stored in ATP?
Between the bonds of the phosphate groups
7 of 21
What is the first stage of the absorption of fatty acids and monoglycerides in the small intestine?
Fatty acids and monoglycerides are emulsified to form micelles
8 of 21
What is the second stage of the absorption of fatty acids and monoglycerides in the small intestine?
Fatty acids and monoglycerides leave the micelles to enter the epithelial cell
9 of 21
What is the third stage of the absorption of fatty acids and monoglycerides in the small intestine?
Fatty acids link to form triglycerides
10 of 21
What is the fourth stage of the absorption of fatty acids and monoglycerides in the small intestine?
Inside the Golgi apparatus, the fatty globules combine with proteins to form chylomicrons
11 of 21
What is the fifth stage of the absorption of fatty acids and monoglycerides in the small intestine?
Chylomicrons leave the epithelial cell and enter the lacteal
12 of 21
What is the sixth stage of the absorption of fatty acids and monoglycerides in the small intestine?
The lacteal transports the chylomicrons away from the intestine
13 of 21
What is Asthma?
A respiratory condition where the airways become inflamed and irritated.
14 of 21
What happens at the spiracle?
Gases enter and leave
15 of 21
What is the operculum?
A bony covering protecting the gills
16 of 21
What do lysosomes do?
Contain digestive enzymes
17 of 21
What is a virus?
A non-living, acellular particle
18 of 21
What is meant by the term 'universal' when describing the genetic code?
The same sequence of bases code for the same amino acids in all organisms
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What is meant by the term 'degenerate' when describing the genetic code?
More than one triplet codes for the same amino acid
20 of 21
What is meant by the term 'non-overlapping' when describing the genetic code?
Each base is counted once only
21 of 21

Other cards in this set

Card 2

Front

Why does glycogen have many branches?

Back

Easy access glucose for respiration

Card 3

Front

What is the test for lipids?

Back

Preview of the front of card 3

Card 4

Front

What is the positive result of a Biuret test?

Back

Preview of the front of card 4

Card 5

Front

What does 'hypertonic' mean?

Back

Preview of the front of card 5
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