Biology 1551 Quiz 2 Spring 2018 Name: Due Wed Feb. 28th in class, No Exceptions.
ID: 202216 • Letter: B
Question
Biology 1551 Quiz 2 Spring 2018 Name: Due Wed Feb. 28th in class, No Exceptions. Worth 25 Total Points Worth 2 Points each: 1. Which layer of the epidermis is where keratinocytes begin to lose their nucleus and keratirn appears 'grainy (a) Stratum baseal (b) Stratum spinosum (c) Stratum granulosum (d) Stratum corneum (e) Stratum lucidum 2. There is an abundant blood suply wthin ll l'pes of comective tissues. (a) True (b) False 3. The type of membrane surrounding the body cavity containing the abdominal organs is (a) Basement membrane (b) Cutaneous membrane (c) Serous membrane (d) Mucous membrane 4. The function of keratin is to (a) Forms a strong, waterproof barrier of epidermis (b) Provides nourishment to epidermis (c) Provides pigmentation to the skin and hair (d) All of the above are true about keratin (e) B and C are correct statements 6 The nrimary function of osteoclasts is toExplanation / Answer
1. Stratum granulosum is the layer of the epidermis where keratinocytes begin to lose nucleus and keratin appear grainy.
2. True there is the abundant supply of blood among all the connective tissues.
3. A serous membrane surrounds the body cavity containing abdominal organs.
4. The function of keratin is to form a strong, waterproof barrier of the epidermis. It is an important protein in the epidermis.
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