What mode of transport do neurotransmzwbs 26c k- mn1wwtr2iz,k2 r+itters use to travel across the synaptic cle 2-26nz bwwizkwm sc +r,t2kr1ft?

  What is the name of the organelle on the surftwckjcj6/xiqv;,h x+ b03 9 zmace of the rough endoplasmic reticulum that is needed to synthesise polypeptide chai jbxhc3w/zt;6i,kcmqj+9v x 0ns?

  Which of the following is true of cenjtl t j52 kq7p;6pv:iqp wvq-0trifugation?

  The image below is a micrographssqx0z.m;j yw-g(wt9 a n: a3h 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, an1n;gy 1vi*da9r ;l6 yyfph8go early stage of mitosis.

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

  The following micrograph shows parts/dkdog+3 a /b of a chloride cell. What statement is true about the parts of the cell labelled X andbos/ k+3d/ gad Y?

  Identify the row which is correct regarding th+a :g jwawgo/cc28 v;ae components of cells.

  Which of the followi9 t okt2bofw7l7rs-tfi; xx )0ng substances cannot pass through the pores of the nuclear mowtkr7t-7 sf0lb;29i t)fox xembrane?

  Which of the following procesg g) lbue4kh35h7l* sqses occur in prokaryotic cells but not eukaryotic cell3g4uql7 h5l)bges*h k s?

  Which statement applies to a lysosoe+uztleq3c 80 *3qalpme?

  Which technique was first developed tohl3b+-2 ys f*tid1x mi separate cellular components and isolate ordh*yl-3 i +x 1tf2ibsmganelles?

  Which of the following accurately de/ qv k9os l97j-iyq.h0 dwpft6jr ;gr)scribes a key difference in transcription between prokaryotes and eukaryotej py0 ;6rt7qlork-j9w.f/h9) vgis qds?

  The diagram shows the process of phagocynsym690 g7so (tjfi:rs 7m,ictosis.

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 s , m,/e a xwg-c+/jdnmtlx- 48dc+olghtructure and function 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 drbjbof 4 7x2;completed?

1.Outline how gel electrophoresis separates m8vhjngf5 *itp. ia5m7olecules and suggest a use for thisg* pt8hi5ja7im.n5 vf separation 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.