Topic 1 - biomolecules

Question 1

what is the formula for glucose

Answer 1

C6 H12 O6

Question 2

what type of chain is in amylose

Answer 2

unbranched

Question 3

what type of chain does amylopectin have

Answer 3

branched

Question 4

what are triglycerides made up of

Answer 4

three fatty acids and a glycerol molecule

Question 5

all amino acids have a central C joined to what

Answer 5

a hydrogen
an amino group
a carboxyl group
r group

Question 6

what bonds hold the tertiary shape together?

Answer 6

ionic bonds
disulfide bonds
h bonds

Question 7

what are the two chains that go together to make the quaternary structure

Answer 7

two polypeptide chains

Question 8

two types of secondary structures

Answer 8

alpha helix
beta pleated sheets

Question 9

the structure of alpha helix

Answer 9

peptide bonds form back bone
r groups stick out

Question 10

structure of beta pleated sheets

Answer 10

two or more parallel polypeptide chains form regular pleats

Question 11

where is haemoglobin found

Answer 11

in red blood cells

Question 12

what is haemoglobin responsible for

Answer 12

the binding and release of oxygen

Question 13

what kind of protein is haemoglobin

Answer 13

globular

Question 14

structure of haemoglobin

Answer 14

globular
four polypeptide chains
two alpha two beta
four haem prosthetic groups

Question 15

structure of collagen

Answer 15

fibrous
three polypeptide chains
two alpha1
one alpha2

Question 16

what are the base pairs

Answer 16

c-g
a-t

Question 17

where does translation take place

Answer 17

in the cytoplasm

Question 18

where does transcription take place

Answer 18

nucleus

Question 19

where do u find ester bonds

Answer 19

lipids

Question 20

where do u find glycosidic bonds

Answer 20

carbohydrates

Question 21

what is RNA mostly involved in

Answer 21

synthesising proteins

Question 22

what does mRNA do

Answer 22

transfers information from nucleus to the ribosomes