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May 3, 2015

Posts by josh


Total # Posts: 1,611

Science
Given seccant of thata = 3, use trigonometric identities to find the exact value of a- Cos thata b- tan squre of thata c csc (90 degree - thata) d- sin squre thata secTheta=3 but secTheta= 1/cosTheta solve for cosTheta Then, sin^2theta+ cos^2Theta=1 solve for sinTheta. then, ...
August 30, 2006

CellBiology
The number _____ and _____ sign are assigned to the first nucleotide of a transcriptional unit. a. 0, positive b. 1, negative c. 1, positive d. 0, no sign I would choose "d". Please check.
July 31, 2006

CellBiology
For membrane-associated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt. a. pribnow, replication b. signal peptidase, transcription c. stop-transfer peptide, transcription d. stop-transfer sequence, translation e. stop-...
July 31, 2006

CellBiology
Enhancers and promoters are ______. In contrast, the heterodimer "TFIIA and TFIIB" are examples of __________. a. trans-acting elements, cis-acting factors b. cis-acting elements, trans-acting factors c. cis-activating factors, trans-acting elements d. trans-...
July 31, 2006

cellbio
Griffith's experiments along with Avery, MacLeod and McCarty helped to determine the transforming factors of Pneumococcus bacteria. Using heat-killed S-strain bacteria and one particular fraction of the cell lysates, they were able to demonstrate that _____ and not ______ ...
July 21, 2006

cell bio
The entire ATP apparatus is also called the ATP_______ I think it is Synthesis but not sure. ATP synthesis is a process. apparatus is a noun. you need a noun. ATP----------------? I can't seem to think of an appropriate word. Sometimes I seriously wopnder about the ...
July 20, 2006

Cell bio
The driving force of ATP synthesis at the location of the ATP synthesis complex is the _________________? I believe it is the matrix but am not sure and it is just a guess. please help. You are right, but I think they want mitochondria for an answer. If I was the teacher, I&#...
July 20, 2006

Bio
Insulin, antibodies, enzymes and progesterone are four of many molecules found in and around cells. Of these four__________ are/is not a protein. (Points: 4) a. antibodies b. insulin and antibodies c. antibodies and progesterone d. progesterone The reason you aren't ...
June 17, 2006

Biology
184 nucleotides are bonded in a linear array, forming a nucleic acid. How many molecules of water were formed as a result of this polymerization? (Points: 4) a. 183 b. 185 c. 92 d. 368 Hint: Nucleotides are linked together by dehydration synthesis to form polynucleotides. This...
June 17, 2006

Bio
One way to determine the concentration of protein in a solution is to perform a "protein assay". There are several assay kits on the market that one can use, but they all rely on the common paradigm that the aromatic amino acid residues of a protein combine with the ...
June 17, 2006

science
What is carbon cycling? http://www.elmhurst.edu/~chm/vchembook/306carbon.html A thing made out of carbon. It is in a shape like a circle.
June 14, 2005

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