What mode of transport do neurotransmitters us23lxwwf,b ce/:ro 78vv4e wtf e to travel across the synaptic clef3bwwwe4t,vv:f 8re flcx /72o t?

  What is the name of the organelle on the surface of the rough1 oll xf4:(c;eeep he+ endoplasmic reticulum thax 1ch;loe lpf +:ee(e4t is needed to synthesise polypeptide chains?

  Which of the following is true/)vjrnq19v . fbq 6taf of centrifugation?

  The image below is a micrograph ofeyi1(keb-hg+, c dj. f blood.


1.Identify the part of the cells labelled A and B.
arrow    points to the nucleus; arrow   points to the plasma membrane
2.Outline why blood is classified as a tissue.

3.State where the stem cells needed to produce red blood cells are located.

4.Progenitor cells are produced by dividing stem cells. These cells will eventually differentiate even further. Blood cells have a common progenitor cell. Describe the process that happens to these progenitor cells.

  The diagram shows prodq l,di6;nzcwtuu)8jyr y,8 4 phase, an early stage of mitosis.

What is the fate of the nuclear membrane immediately after prophase is complete?

  The following micrograph shmt 6bgki8*./go6l eze lo4gpz/3rrp , ows part of a chloride cell. What statement is true about the parts of the celli.oelrt8gg 6gk /,b lp/e6zpz*r mo43 labelled X and Y?

  Identify the row which is correct regarding the components of cells.+c8wc5ocn gqeaexo1+ 0jqz: .

  Which of the following substances u8a i ze l427:8comoqwcannot pass through the pores of the nuclear meew78loouz28 q:c 4ami mbrane?

  Which of the followiwqt4 1ugi.f+2 qay-i v(9yc rm vyd8l6ng processes occur in prokaryotic cells but not eukaryotic cells fq 4+iv9mq6y( rau1wgtyd8vc. -il y2?

  Which statement applies 3xbm6 )jvnlflp6)4uqux4n0q/s5 id qto a lysosome?

  Which technique was first developed to sepk.y nj22 k4 p7ec se4u3bwhvw.arate cellular components and isolate organej e2.up.2wnk4bc3s eh4 kvy7wlles?

  Which of the following accurately describes a key differ ze(i uc83v41se 5+iifvv0indence in transcription between prokaryotes and eukaryoteszeivu(ni 58e vfis 3i4cd1+ 0v?

  The diagram shows the process of 0f : mjzfi5v+lphagocytosis.

1.On the diagram, label a lysosome using the letter L.

2.State, with a reason, whether a lysosome is an organelle or not.
A lysosome is an    because it is adapted to perform a specific function
3.Predict, with a reason, how a cell might be affected if the enzymes present in lysosomes were not stored within a phospholipid bilayer.

4.Describe how ultracentrifugation is used in the study of organelles.

5.Distinguish between prokaryotes and eukaryotes, in terms of compartmentalisation.

6.Explain how compartmentalisation is beneficial during phagocytosis.

1.Compare and contrast the structure and functio39fb9tcv v/(bib b9ia5.b yvan of free and bound ribosomes.

2.Describe the steps in the initiation of translation.

3.Explain how the bonds between amino acids contribute to the structure of proteins.

  What is the fate of a ribosome after translation is coy7g.fzuaf: u kl0:n+ vmpleted?

1.Outline how gel electrophoresis separates molecules and suggest a,) emum vy(anuo2d;h 6 use for this separation technayhmmv( dnu o ;26eu,)ique.

2.Explain how compartmentalisation is advantageous to eukaryotic cells.

3.In eukaryotic cells, transcription occurs in the nucleus and translation occurs in the cytoplasm. Explain the benefits to the cell of this physical separation.