What mode of transport do neurotransmitters use to travel acro+g-zz 0v)(9kmj -nspnlv 1ny1ro r ;mnss the synaptic cleft?km-os; zzn 0v n1r1nl)9r-pvgy j +n(m

  What is the name of the organelle on the surface of the roupmk ut5bwq +*vssec2sa;/o21gh endoplasmic reticulum that is needed to synt;2a/pq+c*12 vto 5bkwsuss m ehesise polypeptide chains?

  Which of the following is true of centrifugatio lpj.i g4w:v93rcda: qn?

  The image below is ad vq.42yaq-2:hqvb t*sz3dd dc6 2xti micrograph of 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 prophase, an early stage )r- hno mos-a:b;gpxeq,;w,i q0al :aof mitosis.

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

  The following micrograph shows part of a chl/xic2;f t wez)0)s gdyoride cell. What statement is true about the parts of the celfd e sxyiw)/zg0;ct 2)l labelled X and Y?

  Identify the row which is correct2 aclu 3e7 z:3o)udtr. . rptiex9py)x regarding the components of cells.

  Which of the following substances cannot pass through the poaqe2-5n,khf7w 52njmpis d l:res of the nuclear mj ns,2fmqw-i:l 7 dpae n552hkembrane?

  Which of the following processes occubz:s8;lwl qba.9 gq7h r in prokaryotic cells but not eukaryotic cells?sbghwz7 :ll q9aqb;8.

  Which statement applies to a lyzine9-3wj/do sosome?

  Which technique was firs -ve3,;qugexzi dr l.,t developed to separate cellular components and isolate organelles?,,eu-x gel3 r;d.izqv

  Which of the following acck+w2to px*1a durately describes a key difference in transcription between prokaryotes and eu1tx a p+dkw*2okaryotes?

  The diagram shows the process of pha+)sfna8arxtr4f i/d2n u s -t.gocytosis.

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 function of free and bound rxzmv/ ;/so*04obo nv bibosomes.

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 acvhbm v(z./:ptz(7ka fter translation is completed?

1.Outline how gel electropx (6n0d*wrq i 4slqkv9horesis separates molecules and suggest a use for this s6v4q9nki x w (qlrd0s*eparation technique.

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.