What mode of transport do neurvv3mfyiddww0yi 9, 7b( 5+imaotransmitters use to travel across the synaptic clef0 v ,ba5miiif vmydw3d9+wy( 7t?

  What is the name of the organelle on the surface of the rough endopvwg,x +fovg(+/y pk+plasmic reticulum that is needed to synthesise polypeptide chainso g+(+vpv,/kgw p+fxy?

  Which of the following is,+ ec h0xdqc2j true of centrifugation?

  The image below is a micro-iwen5xrr+v skt5k q759r9 ocgraph 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 ek9u xmc*w *ldt2(yne7arly stage of mitosis.

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

  The following micrograph shows part of a chloriddiv b g0fizo(ke.01dls zbm2 /s 3m(/ve cell. What statement is true about the parts of the celli z3kdsefv 2z0/1 m(lsi(g v.d0bbo/m labelled X and Y?

  Identify the row which)1vz y6bllv6 .iz/cwa is correct regarding the components of cells.

  Which of the following substa:4 +ylru +dfdences cannot pass through the pores of the nuclear membrad+e +u:r 4yldfne?

  Which of the following processes occur in prokaryotic cells but not eukaryotiw)mmql* dhi -et+hi(7m/v1 fsndem6zh: 8 0fcc cells?mfqc07m(i:d/im hewhn6-h1* zmlv fs +d8t)e

  Which statement applies to ,r p)*yh 9l6ry6bc o)s,hanvma lysosome?

  Which technique was first developed to separate cellular components and+m fsikln. h my13s8f/ wh6rv, isolate .ni61hhrf,ms sw y /+fmk 83lvorganelles?

  Which of the followingtqf c.9 rl 2s)iy6-nqh.3vekqiog0 6l accurately describes a key difference in transcription betwey0rn osqc6g2 - q.llh k.t93feqv6) iien prokaryotes and eukaryotes?

  The diagram shows the p jap9 :/k:v2sgcm w3derocess 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 strucw b:w4p5w k*eyture 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 trayp: dqg3y/ o ah3amjg.ewimh5h+b x36.;*map nslation is completed?

1.Outline how gel electrophoresis separates molecules and suggest a use fol o2 fzi8)yk+mr this sep io8yf+m)2zlkaration 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.