What mode of transport do neur n+fe1w edmw-yb.4y /r;lz 1is,jxw +votransmitters use to travel across the synaptic cleft?jl w 1++xzf,.iyw41/m ewnsr;dvbe y-

  What is the name of the organelle on t1ye1lla o) av43zz hg,he surface of the rough endoplasmic reticulum that is needed to synthesise polypepti11a 4glyzl za,h3)evode chains?

  Which of the following is x s) t :930kuxg+t-lunbq(kagtrue of centrifugation?

  The image below is a microgrxq,6ttj9.9c fsgv va3aph 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 proh:,hf+ on lzr*phase, 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. What statement q/exusu) x/km2k 2pf( is true about the parts of the cell labelled X and Y?fm2eu )k x2(/quxs/kp

  Identify the row which is cbx8: +m8- qmj;pyxntzf/d)d h kl7pk;orrect regarding the components of cells.

  Which of the following substances ca wff 4l2f1m rkv.d.4oynnot pass through the pores of the nuclear membdv 4k.mfl2yf o14f w.rrane?

  Which of the following processes o47amjykqh7 v- ccur in prokaryotic cells but not eukaryotic cells-ha4y j77mkq v?

  Which statement applies to fz6hf6swxj; j+g(nee.k5y +yf z qy9 2a lysosome?

  Which technique was first def 0men6u d32mq gim(z:veloped to separate cellular components and isolate oeznfuid 62qm 0m(g:3mrganelles?

  Which of the following accurately describes a key difference it ;,hsbmj66 wen transcription between pr6h bswm,jte6;okaryotes and eukaryotes?

  The diagram shows the w,--,hl nh:rr7 j wm xgpg qq0sx5m7;xprocess 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 functi3ss.zwr 5x- kbon 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 compltm0oqc barcf6* ih1 19eted?

1.Outline how gel electrophores fm./(u knfnzyyomcl2l3-. /sis separates molecules and suggest a use for this sepan-mf3cmzs.fyoy2lu k( /n. /lration 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.