What mode of transport do neurotransmittel lxw3ig+9-fgrs use to travel across the synaptic cleft?+3 lgixgfwl9-

  What is the name of the oricol(c.m4jv48w j 5mrganelle on the surface of the rough endoplasmic reticulum that is needed to synthesise pv c c.4r j(omwi85jml4olypeptide chains?

  Which of the following is true of centrifugatioo; wig( xwgo 4j /l8kq06ich3tn?

  The image below is a micrograph of blood fel4r r v,kbq4(l. -br-x3rjt.


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 early stagej)o6j6wuykr3 xe(sqb +ghop9q) f-l+ of mitosis.

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

  The following micrograxp qt9+-v55 xrvyt05ie2en0 zykvf5 ;dbf4zmph shows part of a chloride cell. What statement is true about the parts of the cell labelled X and xin5 eqp9febx rmd4; yt y-t z5 05vkvf+v520zY?

  Identify the row which is correct regarding the compu.vb ;4*r tgoise,t7donents of cells.

  Which of the following sug:lc 4pka;lwxa :k5,-rf(cr n bstances cannot pass through the pores of the nuclear membran: gp ,f:xk5l(k4-a lrca ;cnwre?

  Which of the following pmppzau 7j5ga(w*5 q 1nrocesses occur in prokaryotic cells but not eukaryotic cellz (wp1m5aga *njq pu57s?

  Which statement applies to a lyso1e36 n q.0),wngxsll:l/u2p z j dhlupsome?

  Which technique was first developed to separate cellular com7dm/d ,;d,gw/oi3 4-pmt*x ybbmdjmr ponents and isolate organell m di go4b,xm*3m bd/td;,-prmj7dy/w es?

  Which of the following accurately describes a key dif+vonu7jwt0 k(ference in transcription between prokaryotes andko j+nu(twv0 7 eukaryotes?

  The diagram shows the procez .8w3col dhz4j2m9i -;qtnfess 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 functi)/qa*.;xc6 ax:zs daezkz ln 4on 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 completepq27.l9f5 qhw n1( vu/ziny trd?

1.Outline how gel electrophoresis separates mole(e4 m xz 93gm9nkch1ckcules and suggest a use for this separation technim93 (xce zkkh 9cn4mg1que.

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.