Question

8. All of the following are examples of fibrous proteins except A) wool. B) fingernails. C skin.D) insulin. E) bones.F. collagen 9. Identify the missing species in the nuclear equation e. 15 10. A particular polypeptide can be represented as Gly-Ala-Phe-Cys-Gly-Ala-Phe-Cys. How many peptide bonds are there in this polypeptide? a.2 b. 4 c.7 d. 8 e. 9 f. cannot determine 11. Identify whether the following represent the microscopic, macroscopic, or atomic scale. i. Hemoglobin ii. Person ii, Red blood cell i. microscopic ii. macroscopic ii. atomic ii. Macroscopic ii. atomic ii. atomic ii. macroscopic iii. microscopic ii, macroscopic a. i. atomic b. i. atomic d. i. microscopic macro 12.In the health sciences, learning and understanding how to accurately convert chemical quantities is of utmost importance, as it keeps your patiens and your practice safe. At home medicines are som dispensed by the teaspoon (tsp) or tablespoon (tbsp). If there are 3 tsp in 1 tbsp and I thsp is equal to 15 mL, how many milliliters are 2 tsp? ) 45 ml b) 5 ml ) 10 ml d) 2.5 ml e) none of the above 13. Glycerol changes its shape to conform to its container and has a fairly high density. Glycerol is a. a solid. b. a liquid c. gaseous d. either b or c e.none of the above 14. When iron is exposed to moist air, it rusts. Rust is the common name for ferric oxide, formed by two iron atoms and three oxygen atoms. The correct chemical formula for rust would be: a) Fe,O, b) FeO c) Fe,O, d) FeO e) 2FeO 15. Fish get the oxygen they need from oxygen gas dissolved in the tank water. In this case, oxygen is д) a solution b)the solvent C) a liquid d) the solute e)dissolved in a gas 16. Which of the following models does NOT contain a carbon atom with tetrahedral geometry or a bonding capability of 4? Assume that all atoms in all structures are visible. b. d. a. 17. Which of the following diagrams of an atom best represents the scale of the nucleus and electrons?

Answer 1

"All of the following are fibrous protein except: - Insulin Identify the missing species in the nuclear equation: ^55_26 Fe +^0_7 e rightarrow^55_25 Mn {Electron capture) ^55_25 Mn A particular peptide can be represented as: - Gly - Ala - Phe - Cys - Gly - Ala - Phe - Cys No of pepetde bond = 7 7 Haemoglobin downarrow atomic person downarrow macroscopic Red blood cell downarrow microscopic 1 tbsp = 15 mL 1 tbsp = 3 tbsp 3 tbsp = 15 mL rightdoublearrow 1 tbsp = 5 mL 2 tsp = 10 mL 10 mL Glycerol is a ""liquid"" a liquid Rust is Fe_2 o_3 Fe_2 o_3 \r\n In tank water Oxygen gas is dissolved in water hence here Oxygen is ""solute"" The solute "