Cells Random Retrieval

This quiz contains all the questions in the Cells section. The website will pick 20 questions at random.

1 / 20

A doctor vaccinated a group of patients against poliomyelitis. He gave each patient two doses of vaccine, 3 months apart. Explain the differences between the mean concentrations of antibodies in blood samples 2 and 3.

Second dose caused memory cells to secrete more antibodies, quicker.

Second dose contained more antibodies.

Second dose caused T cells to divide by mitosis.

2 / 20

Which is the variable region on the above diagram?

A

B

D

3 / 20

Which of the following is a similarity between diffusion an osmosis?

Both are passive processes.

Both do not use energy.

Both use energy.

4 / 20

Which of the following is a similarity between diffusion an osmosis?

Both are a movement of a substance across a concentration gradient.

Both are a movement of a substance down a concentration gradient

Both are a movement of a substance along a concentration gradient.

5 / 20

In the above diagram, there are three membrane proteins: A, B and C. Which represents where co-transport occurs?

A

B

C

6 / 20

Which molecules are found in A?

Saturated Fatty Acids

Unsaturated Fatty Acids

Both Saturated and Unsaturated Fatty Acids

7 / 20

Name the part of molecule J, which makes up part B.

Fatty Acid Head

Glycerol Head

Phosphate Head

8 / 20

Which phase of mitosis is when the chromosomes line up along the equator?

Metaphase

Prophase

Anaphase

9 / 20

The diagram shows the cell cycle. What does 'M' stand for in the diagram? ( Spell it correctly)

10 / 20

Which organelle will be found in pellet A?

Mitochondria

Ribosomes

Nucleus

11 / 20

To look at a fresh sample under a light microscope, you'll need to prepare a temporary mount. What is NOT used to stick the specimen to the microscope slide?

Water

Glue

Oil

12 / 20

Which type of electron microscope produced this image?

TEM

SEM

13 / 20

Which type of electron microscope produces a 2D image?

TEM

SEM

TEM & SEM

14 / 20

How are the circular chromosomes separated in prokaryotic reproduction?

As the cell grows, the chromosomes are attached to the membrane, and are pulled apart.

Spindle fibres retract, pulling the chromosomes apart.

Histone proteins 'wind' the chromosomes into two separate poles.

15 / 20

Which of these structures is completely absent in eukaryotic cells?

C

D

E

16 / 20

Are structures 'E' found on rough endoplasmic reticulum in prokaryotes?

Yes

No

17 / 20

Why might structure 'A' be useful in gut bacteria ?

Lubricates; so it can move between endothelium cells.

Allows it to replicate

Protects against the acid

18 / 20

What is the function of this organelle?

Production of ATP

Production of energy

Production of dNTP

19 / 20

Name this organelle.

Chloroplast

Mitochondrion

Nucleus

20 / 20

Name this organelle.

Rough Endoplasmic Reticulum

Smooth Endoplasmic Reticulum

Golgi Body

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