The Cell Cycle 4.5 / 5 based on 2 ratings ? BiologyCellular processesASEdexcel Created by: RosieHolmiumCreated on: 15-10-14 18:55 38251694710 Across 1. The name given to G1, S and G2, in which DNA is replicated, the cell grows and new organelles and proteins are synthesised. (10) 4. Composed of peptidoglycan (a polysaccharide and peptidoglycan combined) this structure helps to keep bacterial cells rigid. (4, 4) 7. A small infolding of the cell surface membrane in a bacterial cell which is the site of respiration. (8) 8. The mitotic phase in which the chromosomes move to the cell equator and spindle fibres attach themselves to the centromeres. (9) 9. Thin hollow tubes which allow bacterial cells to adhere to surfaces (4) 10. A double membrane-bound organelle which has a membrane perforated with pores and contains DNA and the nucleolus. (7) Down 2. Found on the outer surface of rER and in the cytoplasm, these organelles are the site of protein synthesis. (9) 3. Double membrane-bound organelles which are the site of aerobic respiration and have a folded inner membrane which forms inwards projections called cristae, to maximise surface area. (12) 5. The single membrane surrounding the vacuole (9) 6. Thin hollow tubes which rotate in order to allow movement of a bacterial cell (8)
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