S08#1 - BMS 300 Exam 1C Spring 2008 1. The first stages of...

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BMS 300 Name Exam 1C Spring 2008 C.S.U. ID# 1. The first stages of protein glycosylation occur in the: a. In the lysosomes. b. In the ribosome. c. In the cytoplasm. "c£~In the endoplasmic reticulum. e. b and c are correct. 2 An experiment is performed in which the sequence of bases coding for the signal peptide is deleted from an mRNA molecule. When this mRNA is expressed, the resulting protein would be expected to be found in the: a. lysosomes. b. Golgi apparatus. c. endoplasmic reticulum. drcytoplasm. e. All except d are true. 3. In comparison to eukaryotes, prokaryotes lack: laTendoplasmic reticulum. b. ribosomes. c. DNA. e. RNA. d. protein. 4. In the nucleus the mRNA is from DNA and edited. In the cytoplasm the of the edited mRNA are . a. translated, exons, transcribed. b. x transcribed, exons, translated. c. edited, exons, translated d. transcribed, introns, translated e. edited, introns, transcribed 5. The role of negative feed back in the endocrine system is to: a. stimulate secretion of releasing hormones by the hypothalamus. b. inhibit hormones from binding to receptors. c. increase the number of receptors on target cells. d. prevent secretion of neurotransmitters from neurons. / et prevent continuous secretion of hormones by the hypothalamus, pituitary, and endocrine tissue. 6. Two important functions of the adrenal gland are: a. regulating blood glucose levels and blood calcium levels. b. regulating body temperature and breast development. c. regulating growth and metabolic rate. : cL regulating the body's response to stress, and regulating sodium reabsorption. "e. regulating milk ejection and milk synthes o V \> V
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BS300 Exam 1 February 15,2008 14. Which of the following is NOT a hormone? a. testosterone b. thyroid hormone c. tyrosine d. insulin e. follicle stimulating hormone 15. In a condition called achondroplastic dwarfism, the long bones of the limbs stop growing in childhood even as the head and trunk continue to grow normally. Because the restriction of growth is confined to the limbs, you can conclude that this form of dwarfism likely results from abnormal cell division of: a. chrondrocytes in the growth plates. b. chrondrocytes in compact bone. c. osteoclasts in compact bone. d. osteocytes in compact bone. e. c and d are correct. 16. The intracellular filaments in epithelial cells that attach hemidsmosomes and desmosomes to the cytoplasm are made of: a. glycosaminoglycan b. collagen c. microtubules. d. elastin e x keratin. 17. Following a bad cut in the skin, a scar often forms. Upon microscopic examination, you find that the scar is composed mostly of collagen-like proteins covered by an epithelium. Based on this information you would expect that these proteins are: a. extracellular proteins secreted by fibrocytes located in the epidermis. b. extracellular proteins secreted by keratinocytes located in the stratum basale.
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This note was uploaded on 02/07/2011 for the course BMS 300 taught by Professor Walrond during the Spring '07 term at Colorado State.

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S08#1 - BMS 300 Exam 1C Spring 2008 1. The first stages of...

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