Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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What controls the passage of molecules into and out of
the nucleus?
a. endoplasmic reticulum, an extension of the nucleus
b. nuclear pores, which consist of membrane proteins
c. nucleoli, in which ribosome subunits are made
d. dynamically assembled microtubules
e. tight junctions
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- 1. Match the cell structures in column A with their functions in column B. Column A 1. 2. 3. 4. 5. Centrioles Chromatin Cytoplasm Cytoskeleton Rough Endoplasmic Reticulum (ER) 6. 7. 8. 9. 10. 11. Peroxisomes 12. Plasma membrane Golgi apparatus Lysosomes Mitochondria Nucleolus Nucleus 13. Ribosomes Column B a. a selectively permeable barrier between the cell's intracellular and extracellular environments b. includes cellular organelles and cytosol c. contains the cell's genetic material (DNA) d. synthesizes rRNA and assembles ribosomes in the nucleus e. genetic material within the nucleus; consists of uncoiled chromosomes and associated proteins f. synthesizes new proteins destined for the plasma membrane, lysosomes, or secretion from the cell g. sites of protein synthesis; may be bound to the ER ("bound") or found within the cytoplasm ("free") h. a stack of flattened membranes that are the site where proteins from the ER are modified, packaged, and sorted for delivery to other…arrow_forwardWhich of the following contains microtubules? Select one: a. ribosome b. Golgi apparatus C. lysosome d. flagellumarrow_forwardWhich one of the following organelles is considered as the "energy producing" centre of the cell? A. rough endoplasmic reticulum B. Golgi apparatus C. mitochondria D. ribosomesarrow_forward
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