OCR AS BIOLOGY: Biological Molecules and their tests.

OCR AS BIOLOGY F212

Teacher recommended

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Water is susceptible to a type of bonding called;
Hydrogen Bonding
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The Bonds mentioned give water a;
High Specific Heat Capacity
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Proteins are (A) chains of (B)
(A) Long (B) Amino Acids
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These monomers have non-variable groups, what are they?
NH2 and COOH
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These monomers are joined together by ______ bonds to form the polymer.
Peptide
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In the process of making these bonds, what molecule is given off?
H2O
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The reverse of this reaction is know as what?
Hydrolysis
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Proteins have 4 structural levels, in which level do proteins form Alpha Helix's and Beta Pleated Sheets due to Hydrogen Bonding?
Secondary
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This Level occurs in proteins of more than 1 polypeptide chain.
Quaternary
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An example of such molecule is
Haemoglobin
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The _________ structure is the final 3D structure for many enzymes.
Tertiary
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Collagen is a fibrous protein found in animalian tissue so it needs to be strong, it is formed of _ polypeptide chains
3
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Haemoglobin is a globular protein. The structure is curls so that the ________ side-chains are on the outside, and the ________ on the inside.
Hydrophillic, Hydrophobic,
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Carbohydrates are made of
Monosaccharides
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Glucose is one of the answers above, it contains _ Carbon atoms
6
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The Formula for Glucose is
C6H12O6
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Polysaccharides contain A molecules, Disaccharides contain B molecules and Monosaccharides contain C.
A)2+ B)2 C)1
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The Saccharides are joined by _______ bonds
Glycosidic
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During Synthesis,
One H2O molecule is released
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Triglycerides are a type of
Lipid
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Lipids are composed of
3 Fatty Acids and a Glycerol Molecule
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A Phospholipid has _ fatty acid chains
2
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Cholesterol has a hydrocarbon ring structure and a hydrocarbon tail. Attached is a
OH
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To test for reducing sugars, you perform which test.
Benedict's
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To test for proteins, you perform which test.
Biuret
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To test for lipids, you perform which test.
Emulsion
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To test for starch, you perform which test.
Iodine solution
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If the test for starch is positive, the sample turns/forms
Black
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If the test for lipid is positive, the sample turns/forms
Milky White
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If the test for proteins is positive, the sample turns/forms
A Purple Layer
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If the test for reducing sugars is positive, the sample turns/forms
Orange
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Other cards in this set

Card 2

Front

The Bonds mentioned give water a;

Back

High Specific Heat Capacity

Card 3

Front

Proteins are (A) chains of (B)

Back

Preview of the front of card 3

Card 4

Front

These monomers have non-variable groups, what are they?

Back

Preview of the front of card 4

Card 5

Front

These monomers are joined together by ______ bonds to form the polymer.

Back

Preview of the front of card 5
View more cards

Comments

Bethanie

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Good quiz but some of the questions are quite confusing to what they are actually asking

Tom

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Quite a good quiz, it also tests your ability to comprehand what you are asking.

Poppy Woods

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Great test thanks it really helped me :)

harry

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Ahhhh! I got 77% on my test :D

This is a great test! It gives you a idea of what you really need to work on!

Thanks! :)

tiffany quinn

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this was soo gooood! thankyou!

Piers Baker

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great!

Josephine

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I thought the answer to 6 was just peptide bonds. Not dipeptide bonds.

Byakushix

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88%  REALLY GOOD, NOW I KNOW WHICH PARTS IM **** AT X'D

alex

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Good test 

:)

Chloe Fellows

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cholesterol has an insoluble nature - because its used in cell membranes

haemoglobin has the hydrophobic part on the inside and hydrophilic part on the outside because it needs to be water soluble

Bridie

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Really helpful, and loads of questions too which is good!!! Thankyou:)

Swallowtail

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A popular and straightforward  quiz to check your understanding of biological molecules and biochemical tests. I have edited some questions to improve clarity.  The correct plural for helix is helices.

Anneka

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This is a really great test!

DamonHo

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Thank for for making this, really helping me remember what I've learnt. 

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