Curriculum
Course: AQA A Level Biology 7402
Login

Curriculum

AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

1.2.7 Disaccharides – 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?
Cancel Submit
  • Questions count: 12
  • Passing grade: B+
Start Quiz
1.
According to the comparison table in this lesson, what is the RNA of Types?
According to the comparison table in this lesson, what is the RNA of Types?
DNA vs RNA
mRNA, tRNA, rRNA
Single
A, U, C, G
Ribose
2.
At low temperatures, enzyme activity is slow because:
There is no substrate
The active site is destroyed
Molecules have less kinetic energy
The enzyme is denatured
3.
In the apparatus shown, what is being measured to find the rate of catalase activity?
Dr Dabour Hub Academy - figure 1
Mass of liver
Temperature of the trough
Volume of oxygen gas collected in a set time
Colour of the liver
4.
According to the comparison table in this lesson, what is the Prokaryotes of Histones?
According to the comparison table in this lesson, what is the Prokaryotes of Histones?
Genome organisation
Circular
Rare
No
Nucleoid
5.

A noncompetitive inhibitor

binds to the active site
binds to a site other than the active site and changes the enzyme’s shape
is the substrate
has no effect
6.
In the sequence covered in this lesson, which step comes immediately after Peptide bond?
In the sequence covered in this lesson, which step comes immediately after Peptide bond?
Stop codon
tRNA anticodon pairs
Ribosome moves
Ribosome reads codon
7.
The diagram shows water rising in tubes. Which two properties cause capillary action?
Dr Dabour Hub Academy - figure 2
Surface tension and freezing
Buffering and polarity of glass only
Ice floating and specific heat
Adhesion to the tube and cohesion between water molecules
8.
Which of the following is a macromolecule composed of amino acid subunits?
SAT Biology - Question 287
A
B
C
D
E
9.
Cells of the pancreas that secrete many enzymes would be expected to have large amounts of
chloroplasts
central vacuoles
rough endoplasmic reticulum and Golgi
smooth endoplasmic reticulum only
10.
Pepsin works in the stomach at pH 2. If moved to the small intestine at pH 8, it would
work faster
stop working because its shape changes
change into trypsin
work at the same rate
11.

Most enzymes in the human body work best at a pH near

7
1
14
3
12.
Uses NADPH, ATP, and CO2 as the inputs to its reactions.
Uses NADPH, ATP, and CO2 as the inputs to its reactions.
Transpiration
Calvin cycle
CAM photosynthesis
Cyclic photophosphorylation
Noncyclic photophosphorylation
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Part of 1. Biological Molecules — see every lesson and quiz in this unit.
Accepted payment methods