What mode of transpor;squ t2+mi4v (i+.tn /xhq3nl)mt sxx- swv0zt do neurotransmitters use to travel across the synaptic cle;ixn4 mx .wx +)qmsh+t-z 3ntv0qls i2s(t u/vft?

  What is the name of the;kq+lfqn zpp;8c a* k- organelle on the surface of the rough endoplasmic reticulum that is needed to synthesise polypeptide c z-ka;*kq+ fq8 npp;lchains?

  Which of the following itigk bk5*nl(xxs/g s39j3 5hw t:ut, ss true of centrifugation?

  The image below is a micrograph of 40,+p xtw 0 icxwyynksu8t (6a: due8gblood.


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 stagwvaes81rm7 i.ed-y m ;e 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 true9 3mzj ebxc68tfqerd3b 4ase 5( jxk5/ about the parts of the cell labelled X and Yf3crjaq mjde 56 bsbk3e 8e xx/5t4z9(?

  Identify the row which is correct regarding the components of v;x*h6gum+h3 gr9p5 v0 sou-qu dfr7hcells.

  Which of the following sub,)hupl kvp1 lhxv5nz650 c z4cstances cannot pass through the pores of the nuclear membrane4xc0lz )cp k 16n,lzh5 ph5vvu?

  Which of the following processes occur ilru6qi5q v3:4u1h3 nru8wfc zn prokaryotic cells but not eukaryotic cell54:u1fr 3v8 wurc3qqnh6izu ls?

  Which statement applien m sm fr4wh)0z65y5kls to a lysosome?

  Which technique was first develofy 8tr3eu :2ufd(4pxcped to separate cellular components and isolate orpfe u284ft: x cy3rd(uganelles?

  Which of the following accurately describes a key diffflf cr v)+fg7dn58n46b wmnd* erence in transcription between prokaryotes and eukadnlnd5bv7rfcg *n4 f8)w+ 6mfryotes?

  The diagram shows the process of phagocytosis.bqab l5j u krv;xre9-w*s56l :

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 function of free and bound vggh g7ckfx0*a -u5 9+igt+ 0w0h ylgoribosomes.

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 av37 p+ejx deiknvbg /7,h- p8ufter translation is completed?

1.Outline how gel electrophoresis separates molecules and suggest a usixvj2vequpc)+)qtt n6 .35 a je for this separation techniquq3t ucv)tpax5nj qi)ve.6 2+j e.

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.