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CelI/DNA Review Lÿ f-- Cell Diagram and Organelles: //7//ÿÿ 1 .Which are projections of the cell membrane and increase the membrane surface area? 2.These function in cell division? (29ÿ0ÿg.-ÿ - tÿ;lÿ0.. Oÿ cÿ ,ÿ\ÿ50lÿ ('ÿt0.£Oÿ\€_O 3.The dense mass within the nucleus that contains ribonucleic acid is referred to as the? ÿ).l)O.ÿ't . 4• The structure that regulates what enters and leaves nucleus is called the? 4^ J\ -,ÿ'ÿ I"Oÿo-£tÿ I_ÿ ^ , the ' -,--. ", 5. How is thee endop!asmic rÿiculum described? ÿY.ÿtÿ.,yÿ-x _ _ÿVÿ'x ÿ ÿ.lÿ.ÿXÿcC.,kÿ. 4-4dÿ€_ÿ o_.rÿ, 6.Proÿe.ln'ÿsÿntheÿslSÿlnÿoeÿccurÿsÿatÿtÿ0..ÿ-ÿJÿO cÿ0t ÿ.¢,5i ÿ ÿtXÿ o.] 0AIÿ0.ZlX 'ÿ1'oÿ'o'-ÿ1ÿ5 7.These organelles are notable because they contain many digestive enzymes? ÿfÿ;lf:,ÿ 8. The organelle where energy is released from carbohydrate molecules? lÿ.ÿ-ÿXOl'ÿf'kOFk 9. Why is the plasma membrane considered a semipermeable membrane? ÿ:,ÿOtÿXÿoÿTÿO'ÿtO'ÿ'5 °¢x# ÿu4ÿ" 10. When ribosomes are present on the endoplasmic reticulum, the endoplasmic reticulum is sai'd to be? ÿ'Ck)Oÿ 11.These are areas for processing and packaging proteins? ÿÿ"4""ÿ'Iÿ ..... rÿa ÿ95 @ ÿ & 12.Before beinÿ sent to their final destinations, proteins(enzymes)and lipids are processed in a cellular organelle calledthe? .eÿO,ÿ ;ÿ,-ÿ,ÿ6 ~, DNA - " \ \ 13.What type of bond hold the two strands of a DNA molecule together? lX°,oOÿ-Jÿ 14.The backbone of the DNA helix is composed of alternating ? and ? ,.ÿOOtO.X' ÿ ÿOf:'l2:r-aÿ'X'O--ÿ 15. In the DNA, each nucleotide is composed of (3 things) Ak)ÿXOo.g") ÿ'ÿkÿkÿa.ÿ"- --ÿ_ÿ','ÿA--xk,(ÿ.ÿ, 16. The strands of DNA are said to be complementary. List the pairs. Jÿ-ÿ'- ÿ__.,-ÿ- "" 17. Which part of the nucleotide forms the rungs of the DNA ladder? ÿ\ÿ"Oÿae.A ÿ.z.ÿo,_- 6- Mitosis _ ÿ 18. All the structures needed for theprocess ofmitosis are formed when? ÿ)0JA'ÿ -k- ÿ-ÿrog., (OaCh, O-X'-ÿ!" 19. The interphase is the phase of a cell cycle in which? ÿ)0XÿQ'fÿ CJÿ\ ¢ÿ.X'\'ÿxÿoÿ ÿ2) 0ÿ\ cÿ.ÿ,k)ÿ-ÿOn -- 21. Activities occurring at the end of mitosis would be which phase? -'ÿ-ÿOÿ:ÿqCh_5ÿ 22. Cytokinesisaphaseof? ¥ ÿv°ÿeÿ - O)ÿ::ÿ ÿ °Fÿ 23. Chromatids, chromosomes, and chromatins are all similar to one another because?'ÿ C.!ÿ.ÿtÿ.ÿ]0 24. During which phase of the cell cycle_does the DNA within the nucleus undergoes replication ÿ" pÿ3o.ÿ25. The stage of mitosis when the centrioles and spindle fiber disappear and the nuclear membrane and nucleolus reappear? 'ÿ0ÿ0 eÿo..ÿ 26. When do the chromosomes move to the equator? I"ÿOAÿX'XCtÿ'ÿL 27. The stage of mitosis when the centromeres break and chromosomes begin migration toward opposite poles? ÿ'Mÿtÿfÿ Oÿq--28. During prophase, the microscope bodies that migrate to opposite sides of the cell are the ? 31. The phase of the cell cycle during which the cell divides to form two daughter cells is called? Draw and Label the phases of the cell cycle. ÿ Draw and Label the correct sequence for mitosis. -% THE CELL Label and color the structures listed below. Plasma (cell) membrane - yellow Mitochondrion - dark green Centrioles - light blue Ribosomes - orange Rough endoplasmic reticulum (ER) -purple/orange Smooth endoplasmic reticulum (ER) - purple Nuclear membrane - light green Vacuole - dark blue Chromatin threads - black Golgi bodies (apparatus) - pink Microvilli - light purple Lvsosome - brown CYtoplasm - grey Nucleolus - red: storehouse and assembly site for ribosomes