What mode of transport do ns7 7qytr u9 wde6e9j,0 s)i9xryrud 37qm w:wmeurotransmitters use to travel across the synaptic cl r t dq0u m7wes9w7u)je7srwyyd6 9,mir3:9qxeft?

  What is the name of the organelle t+28i mwb bybal(j p;/ )7 .mdsol)tmson the surface of the rough endoplasmic reticulum that is needed to synthesise polypeptide chainss; m 2li8dmmt. bby7+ w)stp) /o(ablj?

  Which of the followii+ 3lk6rref t8f.-vb ing is true of centrifugation?

  The image below is a micrograph zxuu :*th9, q(ys ,elrof 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 propha3 p4oe (nfq+i -5qepev3nni)fse, an early stage of mitosis.

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

  The following micrograph shows part of a chlornbmz ;oyryf99.;d n +jide cell. What statement is true about t; yrnyb jf9z.mnd9o;+ he parts of the cell labelled X and Y?

  Identify the row which is corre+9g8 gnz.ghinct regarding the components of cells.

  Which of the following sh5xw( a4z3dt jubstances cannot pass through the pores of the nuclear membra5w xa(z 4jd3thne?

  Which of the following ps, a (khd ,imcsb)1k0hrocesses occur in prokaryotic cells but not eukaryotic cellbcs ,ih,k)adskmh1 0( s?

  Which statement applies to a lyth**8mz mj*(vlzhudbg 7md 6-sosome?

  Which technique was fircyb)i * gqi,d9r 9 +dd08qlnumst developed to separate cellular components and isolate organelles?90 d 8yd9bqmqci*i+d,n )rgul

  Which of the following accurately describes 0:w xtc(m9tfba key difference in transcription between prokaryotes and eukaryoteswb:c(0mt 9ftx ?

  The diagram shows the prozf7+3n6b o9nq1 w 8 gp2pksffwcess 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 the structure anrkhhv0kv44z:l/j xw)d 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 translatioq+(zwuoai:d +u1zlx;n is completed?

1.Outline how gel electrophoresis separates molecules and suggest a use fqhwsz /fygt*35xdy2*z xq5jw 7 q4h6 tor this separation /dj 67sxhhz qxqw 5wg4t2f*5ztqyy3*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.