What mode of transport do neurotransmitters a+gcix6:exk .6i5 f2bk :kbaki .s a5cuse to travel across the synaptic cleft?cg.k:i5be2ixaa5.kkx: +c6 a6bfks i

  What is the name of the organelle on th4kkhx26 w e3eye surface of the rough endoplasmic reticul6kxwey h 243keum that is needed to synthesise polypeptide chains?

  Which of the following is ooynn-f,r yf0dk1 a.sa+ j0q:true of centrifugation?

  The image below is a mowza0k5xb w(o )s, 2au)1g b3kcuihn:icrograph 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 o hi0 v /)ok5rojq q,.yz3wsur0f mitosis.

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

  The following micrograph shows part of a chloq6s,rjt56 h+ceh pr0b1of1p h ride cell. What statement is true about the parts of the cejorq h,+p scbhr 6h01pf165 tell labelled X and Y?

  Identify the row which is correct regarding the components oxkn;(w ;17 xgj mkqz/lf cells.

  Which of the following substances sz1hzeq :y;.r w:xf2 xuzzz33cannot pass through the pores of the nuclear membrane .uxzf3ez: 2wqrz1y :xzhz s;3?

  Which of the following processes occur in prokaryotic cel8s/yx; ciixo01kr0 bp6fk(jr ls but not eukaryotic celbk1r0x p okfiyisx8 6(0/j;c rls?

  Which statement applies to a lysoso v-v +cdu)nr(gw6fw o,me?

  Which technique was first developed to separate cellular components and iss8+* q -k6tdyee;ro lyshbe, :u/n4xxolate orgs e xsd*48 q xr/ot ey;bun:-lye+hk,6anelles?

  Which of the following accuratelxn8o 9r+/3ujx l9 wjbuy describes a key difference in transcription between prokaryotes and l3+jx w r/u8jx on99bueukaryotes?

  The diagram shows the process of phagocytosiha 4mqkli+k hvrhtl+y 21088 is.

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 tl-zwkf253i zh he 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 co.a646lu7qvn 9kj8zl w6xu n ,rv*x bjgmpleted?

1.Outline how gel electrophoresis separates moleculesw)lkk*o ,h,/fqfv:jgorfi8 t ;h .m4s and suggest a use for this separation ofm .h;s,k),o8f:4 jgvhi ktqf/rlw* 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.