What mode of transport do neurotransmqtrw( rw 4d/ iq*v*j5iitters use to travel across the synaptic clef (tw *rq4vird w*qji5/t?

  What is the name of the organelle on the surfacl)hr v /4l6*lzl u7*pt *tqptze of the rough endoplasmic reticulum that is needed to r/ltqz tllu4 *t h6)l**7vzppsynthesise polypeptide chains?

  Which of the following is true of centrueifp l7h8o)23 cfi0s ifugation?

  The image below is a micrograph of blil77ovf .o;xf ood.


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 e5 vud9,wo s3xkarly 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 is ta9 3ngurycb0rw70lrb.(up6j6gmrsb 0 io 4;jrue about the parts of the cell lyn40bu owjrs6g.r pa7jl00 ; ri93rbb(ug6mc abelled X and Y?

  Identify the row which is correct regarding thek3l+,xq kf (um components of cells.

  Which of the followingfol 47hsv3)8 tw1lcora: pbpln yn-2v9gv.9 f substances cannot pass through the pores of the nuclear membrane?t blnop82sv-79lh.fvf3go19a: pn4c y)lrv w

  Which of the following processes occur in prokaryotig5 uj8p1 /lr5r/tt :ateo-h fgc cells but not eukaryotic cel/h ggtft 15:-8uo t5pejarl/rls?

  Which statement applies to )v stramy/l vfn 74k03g /9nfoa lysosome?

  Which technique was first developed to 3ul.em5i*lzgb b nz qw7a4. l5separate cellular components and isolate organellesmz.abg4.wb5375 il uqlenzl*?

  Which of the following acc-t6p .qanv-nwyvy5*/g noso4 urately describes a key difference in transcription between proka/vn sq a-.46y5ntno yov wp*-gryotes and eukaryotes?

  The diagram shows the process ofyn )8,nz 15s,ckpsoiy 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 a8 76os xlydv31d5hcn end 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 afterndc v7 :ky 5mn0;xye.j translation is completed?

1.Outline how gel electroph i732 dy.1 .tmk piw9maifka mpa3,.zroresis separates molecules and suggest a use for this sep . 1m7aii.pt9,mz 3 pywm fakr32k.idaaration 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.