What mode of transport do neurotransmitters use to trav6ls1waip8kv 4 iysvuzshq/rf8/ 7+. kel across the synaptic cleft?iqlv 8us 8z17/ah s /6vkwr +ksfyp4i.

  What is the name of the organelle on the surface of th: wxp+0pmvo4glxm6 o dpsujv;t v+k0()f:w .ye rough endoplasmic reticulum that is needed to synt vo.t;)xx o:u wm0vkld+p + :w(4fp0vgy6j spmhesise polypeptide chains?

  Which of the following is true of centrifugation?f ts 9aods);,iv: .cta

  The image below is a microgoer n9:5 t,ja/va7 eyrraph 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 stages2w r r(l397 husz-pab of mitosis.

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

  The following micrograph shows part of a chcnuz*wc,4q 2mloride cell. What statement is true about the parts of tqz* 4,2 nwccmuhe cell labelled X and Y?

  Identify the row which is co 5ww1prndo+a b+wcj 93rrect regarding the components of cells.

  Which of the following substances cannot pass through the pores pn+. za *mv4xca.:nj rz9lh1e of the nuclear membrane?1*hjz+ 4xanv.zce:a9nl. m rp

  Which of the following processes occur i4uj 6psxs)c9qudq 4;xn prokaryotic cells but not eukaryotic cells? cxq4sd94xqsj ;up )u6

  Which statement applies to a x;m,ulv/j*hwze2 o-fa7, p um2upsj(hg 6qh(lysosome?

  Which technique was first developed to sepaxq j )z-7jjkm4rate cellular components and isolate 7qm-jzj )xj4 korganelles?

  Which of the following accurately describes a key difference in transcriptk(x m9udm +b+. w)jx whb2n+sjion between prokaryotes and eukaryotes?jm9u ++kb2sx x+j(h nb).md ww

  The diagram shows th)kyd0 qu n4 uslqrc wv,fog8)fe; 3t74e process 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 *y ur9ba1jcic.j:n)e the structure and function 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 complet2/m.+-xn0cak) a *qob h kvvuued?

1.Outline how gel electroph+f cffy-ubi6 /oresis separates molecules and suggest a use for this separation tecy-c ub/f+if f6hnique.

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.