What mode of transport do neurotransmiumwn9 k 6+6gmitters use to travel across the synaptic cleft +g mw69kunm6i?

  What is the name of the organelle on the surface of the rough endoplasmic reticuq9nit7h 0-acu7r *udewnv2 u-lum that is needed c - 9nrw70 id*vu72 auntquhe-to synthesise polypeptide chains?

  Which of the following is l p+41(m5;f93gqw2nv0 oplfqazlmyqtrue of centrifugation?

  The image below is a micrograpi:3m 1c9dkdu4bka x+ vh 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 * 2cg 08s k kg--p0*wdm ic1yfdwuac(yearly stage of mitosis.

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

  The following micrograph shows part of a chloride cell. What statemect ncwe2q dm a)fw s;ia.fu1*.n)* my)nt is true about the parts ofm )awe1sm ftn.w.afidc*cn2q) *; )uy the cell labelled X and Y?

  Identify the row which is correct rean6, g7cst, k3mb- cq.zjf,k rgarding the components of cells.

  Which of the following substances canntk ;3 -ppdv1g26glvh5zj jw f+ot pass through the pores of the nuclear memgdv +jzfk-3 62phv; j5tpwgl1 brane?

  Which of the following processes occur in prokaryotic cells b20fpr ffkjq4lf,p+( a ut not eukaryotic celf 4+(jf20lafq,prp f kls?

  Which statement applies to a lb4s wjn(oq4x rz(eu4t j59t4 kysosome?

  Which technique was k88 bvam tiw(/first developed to separate cellular components and isolate organekbai mvt8/8 w(lles?

  Which of the following accurately describes a key difference in transcrl6 qfensr+ :jaepy/;*iption between prokaryotes afe/:s ly pe aj6;n+rq*nd eukaryotes?

  The diagram shows the process of p8q(l,yvsood 4hagocytosis.

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 ni7/;wsvjy+hdqh 8 ,oand 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 translawx c 9.tnvsl9wl 87g2ction is completed?

1.Outline how gel electrophoresis separates molecules and suggebzld 920ui8g yst a use for this separation te8giu0 zl9b2dy chnique.

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.