Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
8th Edition
ISBN: 9780134421377
Author: Charles H Corwin
Publisher: PEARSON
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Chapter 20, Problem 44E
Interpretation Introduction
Interpretation:
The three general components of an RNA
Concept introduction:
Ribonucleic acid (RNA) is responsible for the synthesis of the molecules that carry out essential cellular functions. There are five types of RNA molecules: heterogeneous nuclear RNA (hnRNA), messenger RNA (mRNA), small nuclear RNA (snRNA), ribosomal RNA (rRNA), and transfer RNA (tRNA).
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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
height was a heritable trait.
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
67.5
60
52.5
y = 0.9264x + 4.8519
55
60
65
MidParent Height (Inches)
70
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 20 Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
Ch. 20 - Prob. 1CECh. 20 - Prob. 2CECh. 20 - Prob. 1KTCh. 20 - Prob. 2KTCh. 20 - Prob. 3KTCh. 20 - Prob. 4KTCh. 20 - Prob. 5KTCh. 20 - Prob. 6KTCh. 20 - Prob. 7KTCh. 20 - Prob. 8KT
Ch. 20 - Prob. 9KTCh. 20 - Prob. 10KTCh. 20 - Prob. 11KTCh. 20 - Prob. 12KTCh. 20 - Prob. 13KTCh. 20 - Prob. 14KTCh. 20 - Prob. 15KTCh. 20 - Prob. 16KTCh. 20 - Prob. 17KTCh. 20 - Prob. 18KTCh. 20 - Prob. 19KTCh. 20 - Prob. 20KTCh. 20 - Prob. 21KTCh. 20 - Prob. 22KTCh. 20 - Prob. 23KTCh. 20 - Prob. 24KTCh. 20 - Prob. 25KTCh. 20 - Prob. 26KTCh. 20 - Prob. 27KTCh. 20 - Prob. 28KTCh. 20 - Prob. 1ECh. 20 - Prob. 2ECh. 20 - Prob. 3ECh. 20 - Prob. 4ECh. 20 - Prob. 5ECh. 20 - Prob. 6ECh. 20 - Prob. 7ECh. 20 - Prob. 8ECh. 20 - Prob. 9ECh. 20 - Prob. 10ECh. 20 - Prob. 11ECh. 20 - Prob. 12ECh. 20 - Prob. 13ECh. 20 - Prob. 14ECh. 20 - Prob. 15ECh. 20 - Prob. 16ECh. 20 - Prob. 17ECh. 20 - Prob. 18ECh. 20 - Prob. 19ECh. 20 - Prob. 20ECh. 20 - Prob. 21ECh. 20 - Prob. 22ECh. 20 - Prob. 23ECh. 20 - Prob. 24ECh. 20 - Prob. 25ECh. 20 - Prob. 26ECh. 20 - Prob. 27ECh. 20 - Prob. 28ECh. 20 - Prob. 29ECh. 20 - Prob. 30ECh. 20 - Prob. 31ECh. 20 - Prob. 32ECh. 20 - Prob. 33ECh. 20 - Prob. 34ECh. 20 - Prob. 35ECh. 20 - Prob. 36ECh. 20 - Prob. 37ECh. 20 - Prob. 38ECh. 20 - Prob. 39ECh. 20 - Prob. 40ECh. 20 - Prob. 41ECh. 20 - Prob. 42ECh. 20 - Prob. 43ECh. 20 - Prob. 44ECh. 20 - Prob. 45ECh. 20 - Prob. 46ECh. 20 - Prob. 47ECh. 20 - Prob. 48ECh. 20 - Prob. 49ECh. 20 - Prob. 50ECh. 20 - Prob. 51ECh. 20 - Prob. 52ECh. 20 - Prob. 53ECh. 20 - Prob. 54ECh. 20 - Prob. 55ECh. 20 - Prob. 56ECh. 20 - Prob. 57ECh. 20 - Prob. 58ECh. 20 - Prob. 59ECh. 20 - Prob. 60ECh. 20 - Prob. 61ECh. 20 - Prob. 62ECh. 20 - Prob. 63ECh. 20 - Prob. 64ECh. 20 - Prob. 65ECh. 20 - Prob. 66ECh. 20 - Prob. 1STCh. 20 - Prob. 2STCh. 20 - Prob. 3STCh. 20 - Prob. 4STCh. 20 - Prob. 5STCh. 20 - Prob. 6STCh. 20 - Prob. 7STCh. 20 - Prob. 8STCh. 20 - Prob. 9STCh. 20 - Prob. 10STCh. 20 - Prob. 11STCh. 20 - Prob. 12STCh. 20 - Prob. 13STCh. 20 - Prob. 14STCh. 20 - Prob. 15STCh. 20 - Prob. 16STCh. 20 - Prob. 17STCh. 20 - Prob. 18STCh. 20 - Prob. 19ST
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