Curriculum
Course: Cambridge AS & A Level Biology 9700 ...
Login

Curriculum

Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/33

17-18 · Selection, Evolution, Classification and Conservation

0/70

19 · Genetic Technology

0/44
Quiz

2.3.2 The Four Levels of Protein Structure – Unit exam questions

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
1.
AS BIOLOGY 2.2.4 - Past paper questions - Q1
A
B
C
D
2.
Normal and sickle-cell haemoglobin differ as shown. What does this demonstrate?
Primary structure has no effect
Haemoglobin is a lipid
Changing one amino acid can change protein shape and function
Denaturation changes the sequence
3.
Secondary structure is held by hydrogen bonds between
R groups only
C=O and N–H groups of the backbone
cysteine residues
haem groups
  • 1
  • 2
  • 3
Accepted payment methods