Chemistry In Context
9th Edition
ISBN: 9781259638145
Author: Fahlman, Bradley D., Purvis-roberts, Kathleen, Kirk, John S., Bentley, Anne K., Daubenmire, Patrick L., ELLIS, Jamie P., Mury, Michael T., American Chemical Society
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 13.5, Problem 13.13YT
Scientific Practices Function Follows Form
In sickle cell anemia, a glutamic acid residue in the sequence of hemoglobin is replaced with a valine residue.
- a. Describe the structural difference between these two amino acids: valine and glutamic acid.
- b. Predict the solubility for each of these amino acids in water.
- c. Explain how these differences could give rise to the deformed cells typified by sickle cell anemia.
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Dr. Mendel asked his BIOL 260 class what their height was and what their
parent's heights were. He plotted that data in the graph below to determine if
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A. Is height a heritable trait? If yes, what is the heritability value? (2 pts)
B. If the phenotypic variation is 30, what is the variation due to additive alleles?
(2 pts)
Offspring Height (Inches)
75
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Experiment:
Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below.
Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization.
Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C
Sample C-Cool the third sample in an ice-bath to 0-2 °C
Results:
weight after recrystalization and melting point temp.
A=0.624g,102-115°
B=0.765g, 80-105°
C=1.135g, 77-108
What is the percent yield of A,B, and C.
Chapter 13 Solutions
Chemistry In Context
Ch. 13.2 - Skill Building Small, but Important Differences...Ch. 13.2 - Prob. 13.2YTCh. 13.2 - Prob. 13.3YTCh. 13.2 - Prob. 13.4YTCh. 13.3 - Skill Building Complementary Base Sequences...Ch. 13.3 - Prob. 13.6YTCh. 13.3 - Prob. 13.7YTCh. 13.3 - Prob. 13.8YTCh. 13.4 - Prob. 13.9YTCh. 13.4 - Prob. 13.10YT
Ch. 13.5 - Scientific Practices How Is Hamburger Like Nylon?...Ch. 13.5 - Prob. 13.12YTCh. 13.5 - Scientific Practices Function Follows Form In...Ch. 13.6 - Prob. 13.14YTCh. 13 - The theme of this chapter is that DNA guides the...Ch. 13 - Prob. 2QCh. 13 - Prob. 3QCh. 13 - Consider the structural formulas in Figure 13.1....Ch. 13 - Prob. 5QCh. 13 - Prob. 6QCh. 13 - Prob. 7QCh. 13 - Prob. 8QCh. 13 - Prob. 9QCh. 13 - a. What does each letter in DNA stand for? b....Ch. 13 - Here is the structural formula for the base...Ch. 13 - Prob. 12QCh. 13 - Prob. 13QCh. 13 - Prob. 14QCh. 13 - Prob. 15QCh. 13 - Polar amino acids can be classified as acidic,...Ch. 13 - Prob. 17QCh. 13 - Prob. 18QCh. 13 - Explain one similarity and one difference between...Ch. 13 - Prob. 20QCh. 13 - Diagram the steps to produce insulin from a cow or...Ch. 13 - Prob. 22QCh. 13 - Prob. 23QCh. 13 - Prob. 24QCh. 13 - Prob. 25QCh. 13 - Prob. 26QCh. 13 - Prob. 27QCh. 13 - Prob. 28QCh. 13 - Almost all organisms use the same four bases and...Ch. 13 - Prob. 30QCh. 13 - Consider the idea of mixing genes as an...Ch. 13 - Prob. 32QCh. 13 - Prob. 33QCh. 13 - Prob. 34QCh. 13 - List two advantages and two disadvantages of...Ch. 13 - Prob. 37QCh. 13 - Prob. 38QCh. 13 - Prob. 39QCh. 13 - Recently developed techniques have dramatically...Ch. 13 - Find a transgenic organism not discussed in the...Ch. 13 - You are the head of a government facing another...
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