Chap.6 concept checks

Chap.6 concept checks - Functions include storage breakdown...

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Lauren Wells Chapter 6 Concept Checks 1-3 Ap bio - 6-1 1. What type of microscope would you use to study: a. The changes in shape of a living white blood cell i. Light microscope b. The details of surface texture of a hair i. Scanning electron microscope c. The detailed structure of an organelle i. Transmission electron microscope - 6-2 2. After carefully reviewing Figure 6.9, briefly describe the structure and function of each of the following organelles: nucleus, mitochondrion, chloroplast, central vacuole, endoplasmic reticulum, and golgi apparatus. a. Nucleus- i. It includes the nuclear envelope, nucleolus, and chromatin b. Mitochondrion- i. Organelle where cellular respiration occurs and most ATP is generated c. Chloroplast- i. Photosynthetic organelle; converts energy of sunlight to chemical energy stored in sugar molecules d. Central vacuole- i. Prominent organelle in older plant cells ii.
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Unformatted text preview: Functions include storage, breakdown of waste products, hydrolysis of macromolecules; enlargement of vacuole is a major mechanism of plant growth e. Endoplasmic reticulum-i. Network of membranous sacs and tubes; active in membrane synthesis and other synthetic and metabolic processes f. Golgi apparatus-i. Organelle active in synthesis, modification, sorting and secretion of cell products. -6-3 3. What role did the ribosomes play in carrying out the genetic instructions? a. Ribosomes translate the genetic message that was carried by the DNA. 4. Describe the composition of chromatin and of nucleoli and the function(s) of each. a. Chromatin- a complex of proteins and DNA that make up chromosomes i. It appears as a diffused mass. b. Nucleoli- a mass of densely strained granules and fibers adjoining part of the chromatin....
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This note was uploaded on 10/31/2011 for the course BIO 102 taught by Professor Robinson during the Spring '09 term at UPenn.

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