What mode of transport d4cd 6zh)g:hzv7,be: ekr l5bpo neurotransmitters use to travel across the synaptic cleftz d5lb4pc7e) :hg:bv,6her k z?

  What is the name of the organelle on the surface of the rough e+at,cwe; 9ap6 9;t-ggq.om th6kanei ndoplasmic reticulum that is nee;oe qt,-h6nea.tgacmi wa;99g+ptk6ded to synthesise polypeptide chains?

  Which of the following is true of centrifugatio7nwa nx i1w--dn?

  The image below is a microgrrev4f:z-k/5 2al -m vrzf*r wnaph 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, an early stage of (xy17.vksmm p; ga7/xe(p3 jxb xe( ezmitosis.

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

  The following micrograph shows part of a chloride cell. Wlzm6 m5 m6ziy7hat statement is true about the5myz6i7 mlmz 6 parts of the cell labelled X and Y?

  Identify the row which is correct regarding the compo/au7a)wgy 0gfyyxrjrj.49m, nents of cells.

  Which of the following substances cannot pad. j-93 3wbe dtbpgiag:*1t nyiu:/ xvss through the pores of the nuclear membra1*-3tgiw ntdujabxig y3:d.9pebv:/ ne?

  Which of the following processes occur in prokaryotic cells but not eukaryotcfs i c31uhg0 xhvht6; fx+cvuz;b3 -(ic cehh3iu 3fbvhsc ; t uvc;-(f6zc +1xx0glls?

  Which statement applies to a lysos/ /wkbaj jh+*ond* w)kt 5uegcek62:dome?

  Which technique was first del twyym3s6y; 8c) (c.ud7g6z q a 6b,tep0fwgeveloped to separate cellular components and isolate organed;8tcpyq lm(6w3e uasgt76z)e f.yybcg w6 ,0lles?

  Which of the following accurately describes a key diffepk gln. nw9:o)rence in transcription between 9kpwn o).:gnl prokaryotes and eukaryotes?

  The diagram shows the process of phagocytosi d:/3pcsyyf j3s.

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 free8x: ok)syj6v/ jh u7hw 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 ribosom/d/irh 6 yhvkg8l7p8n9 wnxj 4e after translation is completed?

1.Outline how gel electrophoresis separates molecules and suggest a use form/;5we7vojjvbh354 2nlprhb dj*r z . this separation techniqlev2o4/ .w r57j*z3bjn5phrjd m h; vbue.

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.