What mode of transport do neurotz-nf)tm b-.r1 ioer -lransmitters use to travel across the synaptic cleft)nt.1mfb -l-reo- rzi?

  What is the name of the orh7j; * sjkz6dxganelle on the surface of the rough endoplasmic reticulum thjzj; *h sdkx67at is needed to synthesise polypeptide chains?

  Which of the following is trv(hrj yw9 3 s;z);h*)bjtjmoaue of centrifugation?

  The image below is a u9 hkrt6)62; cv9.lgsc nfddlmicrograph 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 s+8y( qm,w8x nxsac,;+ qxvoo2p zlv;rtage of mitosis.

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

  The following micrograph show8zg c.de7/,.euo0 j hdhm)d whs part of a chloride cell. What statement is true about the parts of ,dchee zd. u )odw/m8g.h7 0jhthe cell labelled X and Y?

  Identify the row whipbvg81v3k kxo+um.q 3 alo-yii9y-y- - 2tkfjch is correct regarding the components of cells.

  Which of the following substances cannot pass through the/ gzf m4au+gv0 pores of the nuclear memu+m zf0/vga g4brane?

  Which of the following prow-n:kjy +xo9uucx g h;4w tl/9cesses occur in prokaryotic cells but not eukaryotic celo/jux;+g9ct l xy9-4k :whw nuls?

  Which statement applies to a lysosz8w/m orf31azome?

  Which technique was first developed to sei7m w-:kt:z yjparate cellular components and isolate orgt -jk7my::wiz anelles?

  Which of the following accurately describes a key difference in trz38 3kahvjyey d j)d*py70f+qanscription between prokar3jvd*h ykp7+8e0a3) dzy fjqy yotes and eukaryotes?

  The diagram shows the process mvd 19u.mw 2gvof 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 td/( kjgmo 7u*o g5u*10ol c w4i5ik*(suoil iand 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 af1uimh wb8qpl3b(,0wj ter translation is completed?

1.Outline how gel electrophoresis separates molecules and suggest a use for tu f zap xxuim 5)(;.z81kks8nghis separa ugkz8s 5;zp x(ufnx8aki.1m) tion 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.