What mode of transport do neurotransmitters use to travel across the synaptic c(jqv4 *ro6immlefti o*4mvm6 q(jr?

  What is the name of the organelle on the surqk:-e rmgpl ro;*s3z/ face of the rough endoplasmic reticulum thar 3lpgeqs mr /;-kz:o*t is needed to synthesise polypeptide chains?

  Which of the following is true of cf9q 3s7kug 1pt2iuc da;()jtzentrifugation?

  The image below is az (mzq rqrh.7(skdiasx88,; b micrograph 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, a h:8+r*6abq gps7tolan early 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 statement is true- v-biwh;niefbm) 1isw6-pg4u 7n3rl about the m-i- -re v)6nu pf7big w3sblh4wni;1 parts of the cell labelled X and Y?

  Identify the row which is correct regarding the components of 1yjl s;l cmy.pf6kh1zn5 nlmu4g8t 1(m e5vt:cells.

  Which of the following substances cannot pass through the pores of thet8pb(oov/3 r t nuclear mem b/tr(p 8v3toobrane?

  Which of the following processes occur in prokaryotic cells but vb1 t :szylf-3wnv5e+ not eukaryotic cells? nv+vye :-5ztwlf13b s

  Which statement applies to a lys0g v0/0ejvt ls ,wbca1osome?

  Which technique was first dev/c3eha7 tf ji*9neua,a7r/c-slc yv3eloped to separate cellular components and isolate org/j/s3l aecev-a,i* afun9 c3h7y r7tcanelles?

  Which of the following accurately describes a key differ6aes )us+nr/ z;ws n9gkt(*b rence in transcription between pr +rnzu6 (ssbegars*; nt)w k/9okaryotes and eukaryotes?

  The diagram shows the process omrz. y+ yl hijskt9nz;,149w tf 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 and bound ribosomes.qve* lkznl9)065wots.ee: uk7r :w vx

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 /bw veackqg y) g1gk-p1/x+0 aa ribosome after translation is completed?

1.Outline how gel electrophoresisu( w82ec4y)q7 *xzts 3ctk pwsb(dk8a separates molecules and suggest a use for this separation techniqes72*3pwwat8q z)yxkd(c4cutb (8ks ue.

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.