Carbohydrates
What is the ratio of CHO in all carbohydrates ?
CX(H2O)Y
Exchange
Pick a group, rock scissors paper, winner gets to decide exchange or not
N (Nitrogen)
Which property of water makes it a universal solvent?
polarity
Monomer of nucleic acids
nucleotide
Bomb
Cut your current score by half
lower
How many types of bonds may be present in a tertiary structure?
5
Power of sharing
Combine your score with another group, then split it
Which type of biological molecule is NOT a polymer or macromolecule?
lipid
the type of polysaccharide that contain most branched chains
carboxyl group and hydroxyl group
Bonus
Double this score
a property of water which is responsible for moderating temperature in the earth oceans.
high specific heat capacity
Power of doubling
Double your current score
Two differences between cellulose and amylose
1,4 / 1,6 glycosidic bond; rotation or not; store energy or structural support ...
Why do lipids provide more energy than carbohydrates (same amount)?
they contain more carbon-hydrogen covalent bonds
Three features of haemoglobin
soluable in water, compact, contain haem group/ iron ....
cooling down by sweating, less chance of dehydration, transpiration...
Which bonds are covalent bonds?
glycosidic, ester, peptide, disulfide....
A student wrote four statements about what happens during hydrolysis of a carbohydrate.
1. disaccharides are formed from monosaccharides
2. glycosidic bonds are broken
3. molecules of water are released
4. monosaccharides can be formed
Which two statements are correct?
2 and 4
Which statements about phospholipids and triglycerides are correct?
1. They both contain ester bonds
2. They both have three fatty acid chains per molecule
3. They both may have saturated and unsaturated fatty acid cains
4. They are both used only as storage molecules
1, 3
Which features affect the tensile strength of collagen?
1. the helical structure of collagen chains
2. the small R group of the amino acid in collagen
3. the insoluble nature of collagen
4. the bonds between collagen molecules
1, 2, 4
Which statement about the properties of water is correct?
A. bonds between hydrogen atoms cause water to have a high specific heat capacity
B. the high latent heat of vaporisation of water is due to the presence of hydrogen bonds
C. the high specific heat capacity of water causes cooling during evaporation
D. water can dissolve amylopectin as it has hydrophillic side chains
B
Which molecules are formed by condensation which involves a carboxyl group?
A. amylopectin, collagen, triglyceride, sucrose
B. amylopectin, collagen, triglyceride
C. amylopectin, beta-globin, sucrose
D. collagen, beta-globin, triglyceride
D