What mode of transport do neurotransmitters use to travel across the synapti egdc)*f/*ynp c cley*g e /)p*fcndft?

  What is the name of the organelle on the suye 1gur0+jupz5o //norface of the rough endoplasmic reticulum that is needed to synthesise polypeptide cha/ 5ry+1pu 0 goezj/uonins?

  Which of the following is true of ce0, (3re6jc hmk df6fcy )8nkxbntrifugation?

  The image below is a micrograph of blood.yz gvyap7r15d:q s5is- c/a9b


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 st.k:cp-9-: ax wzt6 ewqabj k8rage of mitosis.

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

  The following micrograph sh7no;u21qo/6sey)/pe xs nn*gs/ 7r 5xmjsdo dows part of a chloride cell. What statement is true about the part oxqeeu/n *or d7yss;d5gn7s2 pxo6 sj/1m/) ns of the cell labelled X and Y?

  Identify the row which is correct regarding the covow/a z+ u4 mx sss)tmcvo/)y)/j1mi6mponents of cells.

  Which of the following substances cannot pass through the pores ofukn;rr /+akj axb1+c9 the nuclear membrane?a jc+; rx r1a+n/bu9kk

  Which of the following processes occur in prokaryotic celvbe5ihtd*3h g+kq+ )kls but not eukaryotic c 5ht e+3bkdk*hi)+ gvqells?

  Which statement applies to a lysosomkp,fx lt-vkrq3 105mu0( q7lxkg5 rt ze?

  Which technique was firstsn*dm)0x y.g- euqfc8 developed to separate cellular components and isolate org- ) qcm .8u*fe0nsdyxganelles?

  Which of the following accurately describes a key difference in ;+k +de:zsrcsda 7wizh6ihdy 1k(6d :transcription betwr hh+dss67:kdd ky: iwzzica( de61+ ;een prokaryotes and eukaryotes?

  The diagram shows the pnkhd5t hz;v :-rocess 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 free and bound ribosomes.h*72i n-hiqajds wil8, -en r0

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+kcy nt u+4ppfri7h6y:,5 -z xqsbve: completed?

1.Outline how gel electrophoresis separates molecules and suggest a uss ot 00+nw ihf0kz9pdhd 4.3kne for this separation techniqdk0s ihh39fko0w0tp z.nn +d4 ue.

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.