What mode of transport do neurotransmitters use to travel acr.j 8* htb8cxbujv3 j)qoss the synaptic cleftjub)cj8h* .q8 btvxj3?

  What is the name of the organelle on the surface of the rough endoplasmic retic yl8ezx5yplj*n(n41k/s 6ar pugcs02 ulum that is needeja cplx5*p 24nkrgyz/ ey lun(6s80s1d to synthesise polypeptide chains?

  Which of the following is true of centrif6 9hje-i86slnn8pkum g2te( wugation?

  The image below is a microgr1yzljm(s e1jr4,/yrj aph 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 mitosis. -u3wb6 t(k jb qb/o8bj

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

  The following micrograph shows part of a chloridaf(v:xz9aucbs tjs.y7tr1*96*s deke cell. What statement is true about the parts of the cel jea d1t7s9kt y:9.xs6(z*uv*sc rfabl labelled X and Y?

  Identify the row which is correctoie jmrb,--qm.b j2s 29,t vdj regarding the components of cells.

  Which of the following substances cannot9-3e7nez i:j/bsxvab y+* gv k pass through the pores of the nuclear membrb-kv*+ e x gszay 7ev/:9inbj3ane?

  Which of the following processes occur in prokaryotic cell(vy;x :wz5mb3)qhnc gs but not eukaryotic cellvxbn3 :;g)ycz5wm q(hs?

  Which statement applies to l38l:;wwb aq6g ;q, .ry)xhdd7 pjwfwnh/5re a lysosome?

  Which technique was first developed to separate cellular components and isolateqsqm7 +r- fy:o organeyqrfm7s+ q- o:lles?

  Which of the following accurately describes a key differencej*xsonvm31kfd7sy nt49b +5o in transcription betsv3* x79bmk ny4f1dot5ojn+sween prokaryotes and eukaryotes?

  The diagram shows the process of pht4v ls 1c4yx+5h;g+zo glf-rragocytosis.

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 fre e )l2ldk8qq5de 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 transl4 )3s; v, +ypnwfk *ygb2e3on qr9onctation is completed?

1.Outline how gel eleczz ju;un8 .k-wtrophoresis separates molecules and suggest a use for thisuz ;kw-un .jz8 separation 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.