What mode of transport do neurotransmitters use to travel acrosmx1jkasf/1 t,3pm0kh s the synaptic cleft?1k/0jmth k,a 1mps3 fx

  What is the name of the or:k 8.bjgpt;z 3teqs hve 7w42cganelle on the surface of the rough endoplasmic reticulum that is needed to synthesise tj2 g.8tee;7w hqp3k v4cbs:zpolypeptide chains?

  Which of the following is true of c.mrmicf3*n 3m entrifugation?

  The image below is a micrograpa+c99 j,2fxqazosb j:c 6n hp5s,yb6l h 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 proz )paxe.6m9lhphase, an early 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. W364 wqw.ogye n/5r w0mqd0rrlhat statement is true about rg6 qlreq3wn w 0or.ywmd/504the parts of the cell labelled X and Y?

  Identify the row which is correct regarding the components of cellszh 79qd/l-c or.

  Which of the following substances cannot pass thrv- oz he(ratt32 n7*uqough the pores of the nuclear membrt-hnotz v*q3r(e72auane?

  Which of the following processes occur in prokaryl4m;ecouq, x:hgd 6 m6fd1;jp otic cells but not eukaryotic celxdcpmhmuq d; ojg lf1 :4,;6e6ls?

  Which statement appliee -2uatczwd9woe, 4f: s to a lysosome?

  Which technique was first dev scs)q4pod m1 k(bz2zuh-rf-+eloped to separate cellular components and isolate orrm osqz-pufz+2bcs-k( 4)1h dganelles?

  Which of the following accurately describes a key difference in tr4 n.9cddf tqtfnqt ck2 g;4z,-anscription between prokaryotes and9qnd t4.-nc,tz;kt2fg dq4cf eukaryotes?

  The diagram shows the proces-sih4qxixb0-( ms: vgs 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 function of f++yfo5lli/z,ym n st7 ree 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 trans1embw52 s8 1cwlbrgf /lation is completed?

1.Outline how gel electrophoresis separates molecules and suggsj(ncab;x0gl+n e o)8est a use for this sel(onag n0s ;+)ejx8cb paration 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.