What mode of transport do * mzg5iscbj 6-7e:g; 2dqmllnneurotransmitters use to travel across the synaptic cleft;lilmn6g qde:s-b m 7*2 zc5gj?

  What is the name of the organelle on the mub 3o1+//bqy c-g 3q8kubc losurface of the rough endoplasmic reticu3 bc-bou bmuygokq3/+/l8 cq1lum that is needed to synthesise polypeptide chains?

  Which of the following is trfc 3)i7qhcl /rue of centrifugation?

  The image below is a micrograb7:ct-h+nk:u kf2gatnd3 sg 3a9lsh, ph 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 prophass/ ,aez nvt8)ge, an early stage of mitosis.

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

  The following micrograph shows part of -c1g.siq9i jza chloride cell. What statement is true about the parts of the cellc-i.j qgi zs19 labelled X and Y?

  Identify the row which isd78hvc 5z-c s1bwplvg 6:islubme3 5u /4g)ct correct regarding the components of cells.

  Which of the following substances cannot pass through the pores of the ng( i6lhm vad.bb7+ks.uclear membs7bhl6im+.gd bkv (a.rane?

  Which of the following processzh +hhes*o +4des occur in prokaryotic cells but not eukaryotic cells?+dhe z* h+4osh

  Which statement applies to a ue :f8j(5kd nuykc ;jn,kw* o :+xdd+rlysosome?

  Which technique was first develt em9n59skj ,gs;:w0u; vdpl joped to separate cellular components and isolate organelles?mvwp:, ;sd;slej 5 9u0n 9jtgk

  Which of the following accurately deselv5iwzj1s4 7p)aav1 zc w:ti6 ) mc)lcribes a key difference in transcription between prokaryotei 6 cep1)4 az5cw7t))lwj:1zlamsivv s and eukaryotes?

  The diagram shows the process of phagocyzcrl2v mqjos7 51zy-.tosis.

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 str5+b8k bu-+aqk)9ng dev.wcu0o gm (vn ucture 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 comw*tu)89 lfc4g7.hdfx4oru x ypleted?

1.Outline how gel electrophoresis separkfnyy eymc0vw cr2() 1 +fxz6*ates molecules and suggest a use for this separatimkfzy yf w0x6e()y nc*12r+ cvon 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.