What mode of transport do neurotransmitters use to travel across the synaptilt5x gycrw::* bm 2q;dc clcy xlw:g ;r52 *dmqtb:eft?

  What is the name of the or,ch;s clw/u8 yganelle on the surface of the rough endoplasmic reticulum that is neede sc/ul8w ,chy;d to synthesise polypeptide chains?

  Which of the following is trbuo8jh9fz ( ;mry7h i,ue of centrifugation?

  The image below is ai)0kdgetj g1- 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 proy q jj/:kc+3jxmby3 3rphase, an early stage of mitosis.

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

  The following micrograph shows part of a chloride cell. (7y7qo .9w msbfd9 cgcWhat statement is true abou(fo9g.myw79d bq s c7ct the parts of the cell labelled X and Y?

  Identify the row which is correct6nfv 0z ak 19yu)vxfg7 regarding the components of cells.

  Which of the following substances cannot pass through the pores ofyb o,tpwsfkwc va0e )f( au0sq .(jrzch: 4;78 the nuclear membyq:sw pwa)vk 8 .,e(h0j(ba tofc;szrc 047uf rane?

  Which of the following processes occucx9:a zxnb :p/r in prokaryotic cells but not eukaryotic c p:cna9zxx :/bells?

  Which statement applies to a lyu6 s i kh ).73txdp1c7l-ni*e ctai4jlsosome?

  Which technique was first developed tx2qgnb 7+ zy:co separate cellular components and isolate orga+ x7y2g:bqz ncnelles?

  Which of the following accurately describes a kmu /zpe ,g40lh4nxk7n ey difference in transcription between prokaryotes and eukaryotesnxk0m 7 4/ehgz4up ,ln?

  The diagram shows the procedsr64 kkg/cu7ue( o9wa 5vb+ hss of phagocytosis.

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 functy d7,;f-7v-g2lmgnhhocq, nr ion 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 after7nhg9-4w5prqojakv) (,km xm translation is completed?

1.Outline how gel electrophoresisc0u *9;a fwwo 7oafvx;mr6z-y separates molecules and suggest a use for this separation tzwaoxuy- 9cvar0;*;f 7o wf6 mechnique.

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.