Tuesday, January 24, 2012

Please please help?

Cell Organelle Review Sheet:

______1. an extensive tubular membrane system found throughout the cytoplasm of the cell.



______2. this structure contains the cells hereditary information; “brains” of the cell.

______3. this organelle plays an important part in the protein sysnthesis; makes

ribosomes and transfer RNA.



______4. these structures only appear in a mitotic cell; composed of DNA molecules.

______5. the physical state of DNA within the interphase nucleus; granular appearance.

______6. packets of digestive enzymes; used in intracellular digestion.

______7. this organelle concentrates and packages cellular products (i.e. proteins)

______8. a porous, double-layered membrane which disappears during mitosis



______9. the majority of the cell’s DNA is found within this important structure; may also

contain no nucleoli or as many as 20 nucleoli within its boundary.



______10. site of protein synthesis

______11. composed of nucleoplasm; the synthesis of messenger RNA occurs in this structure

______12. composed primarily of cellulose; provides support and protection to plant cells

______13. identical pairs of these structures are called chromatids; centromeres fasten

______14. this organelle controls all of the cell’s activities

______15. the “powerhouse” of plant and animal cells.

______16. there are 46 of these structures in a diploid (2n) human cell

______17. functions in the transport of materials throughout the cytoplasm and storage.

______18. probably the most active structure of the entire cell; it controls everything that enters and leaves the cell.



______19. separates to either end of the cell during prophase

______20. ribosomes attached to this structure make proteins connected to membranes

______21. found only in plant cells; contain the pigment chlorophyll; glucose is made here

______22. produces lysosomes

______23. site of photosynthesis; radiant energy converted to chemical energy

______24. used to engulf materials into the cell; “cell drinking”

______25. connects the plasma membrane to the nuclear envelope; “smooth” and “rough”

______26. the site of cellular respiration

______27. 23 in a human, monoploid (n) cell; genes are located on these structures

______28. used for the storage of substances within the cell (i.e. water, food, wastes…)



Letter Bank

(A) nucleus (K) spindle fibers (T) chromosomes

(B) centrioles (L) golgi complex (U) lysosomes

(C) plasma membrane (M) nucleolus (V) equatorial plate

(D) microtubules (N) cell wall (W) spherosomes

(E) spindle fibers (O) chloroplasts (X) cell poles

(F) ribosomes (P) asters (Y) nuclear envelope

(G) pinocytic vesicle (Q) centromeres (Z) cleavage furrow

(H) sieve tube (R) chromatin (!) vacuoles

(I) endoplasmic reticulum (S) mitochondrion

(J) cell plate
Please please help?
Haha you wish.
Reply:Ha ha ha my son and I are still working on it and its 1am
Reply:Oh man...did you at least tryyy to do some of them?



Impressed that you took the time to post all of them here.



Try to do these yourself, and if there's any specific one that you don't get, I'm glad to help you out. :)
Reply:ahaha i have this too but i also need help

i did some but not sure...

try cellsalive.com

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