What mode of transport do neurotransmitters use to traw)f le-3mnv m/5xq4t bvel across the synaptic cleft) e-35nvmtw mxf/ ql4b?

  What is the name of the organelle on the surface of the r+q8qi tg 1+qewough endoplasmic reticulum that is needed to sq+i twge+q8q1ynthesise polypeptide chains?

  Which of the followipfaz:qj.o 4f6 e6+iuhr qt 8a:7r9swpng is true of centrifugation?

  The image below is amtcez lh4nbc 1e.:)i: micrograph 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, tcp0n(0rzgq5j5jy0w +t4k 6vu bj/ ml an early stage of mitosis.

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

  The following micrograph shst-ajm 3k,mk) lwjr 1;v/pkf(sm-x )cows part of a chloride cell. What statement is true about the p;v mklt ck),/(13 ammrx-wsj) - jkfpsarts of the cell labelled X and Y?

  Identify the row which is correct regarding the compon/r s1rqmw89 n)hatlkh+1 om6bents of cells.

  Which of the following substances cannot 8g8d-v7je0t tmow,tipass through the pores of the nuclear mewttmjog0- v7 8,id 8tembrane?

  Which of the following prlc md 8s72ovr5z :3:.ttdjonkocesses occur in prokaryotic cells but not eukaryotic celr 3 nkvco.lt 27 8:zmtd:oj5sdls?

  Which statement applies to a lysos kvi21seml.6eub3ph ;cf4x 2qome?

  Which technique was first developed to separate cellular components and isolat(q;d xpf 0ob;xe qb;o(f;xp0xd organelles?

  Which of the following accurately describes a key difference in ty+ mg*8w/vjy9 mimldez0.h c(ranscription between prokaryotes w9e(mg8mmyi.l/dh+jy v*0z c and eukaryotes?

  The diagram shows the process of phagocytosis. 0 pe*nnr.9-dbg ktgy1

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 fun:jgv +p 4lo;avqk: fc:ction 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 compj0p gn z( 7tby83qvkt)leted?

1.Outline how gel electrophoresis separates molecules and suggest a use fo)tcl ltj0,zt 42ykd 7qmt(vo0r this separation teo 0)j0d(vtttk,zct2 mq7 y4llchnique.

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.