Sunday
May 19, 2013

Posts by Arthur


Total # Posts: 48

bioloy
Which fraction of the genome contains the most information? Explain.

Biology
The original high estimate of the number of protein-coding genes in humans was based partly on the number of different known proteins made by the human organism. How can the small number of genes now thought to be present account for this larger number of proteins synthesized ...

Biology
Stem height in the pea plant is one of the traits studied by Mendel. The tall allele is dominant to the short stem allele. What is the probability of a tall offspring if two heterozygous plants are mated? What proportion of the tall offspring is likely to be homozygous?

Chemistry
Show the steps necessary to transform acid on left to compound on right... Make sure you use SOCl3.................. (CH3)3CCH2C(=O)OH ----------> (CH3)3CCH2C(=O)OCH2CH=CH2 (CH3)3CCH2C(=O)OH-----------> (CH3)3CHC(=O)N(CH2CH3)2

Chemistry
Show the steps necessary to transform the compound on the left into the acid on the right (CH3)3CCH2BR ------------------>(CH3)3CCH2C(=O)OH

Chemistry
Number these in order of ease of hydrolysis. 1= easiest to hydrolyze 4=hardest to hydrolyze C6H5C(=O)OC66H5 C6H5C(=O)OCl C6H5C TRIPLE BOND N C6H5(=O)NHC6H5

Chemistry
NAME THESE COMPOUNDS a)HOC(=O)CH(OCH3)CH=CHCH3 B)LiOC(=O)C(OCH3)HCH=CHCH3 C)C6H5OC(=O)C(OCH3)HCH=CHCH3 D)CH3CH2NHC(=O)C(OCH3)HCH=CHCH3

GEOL 108
Do you have the answers to exercise 30 in Darrel Hess's Physical Geography Laboratory Manual tenth edition?

history
Which of the following statements about President Andrew Johnson is true? A. He was raised under conditions of extreme poverty B. He was well educated, but he was a poor stump speaker. C. he was impeached and forced from office. D. He defended the planter aristocracy

math
a 45 inch rope is cut into 3 pieces. the first piece of rope is 3 inches longer than the other pieces of rope. what is the length of the longest piece of rope.

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