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Tenshi
Questions and answers by
Tenshi
Questions (26)
1) tan(sin^-1(5/6)-cos^-1(1/7)
2) tan(è + ); cos è = − 1/7,è in Quadrant III, sin = 1/2, in Quadrant II
2 answers
642 views
PCR Amplification Question:
Should we worry about contamination from our own DNA? What about the DNA from other pathogens?
1 answer
324 views
if f(x)= x+(1/x), find f'(x) using the limit definition of derivative.
Please show steps!!! Thank you!!!
4 answers
1,890 views
Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years
2 answers
858 views
The curve y = x/(1 + x^2)is called a serpentine. Find an equation of the tangent line to this curve at the point (4, 0.24).
Round
4 answers
1,171 views
c) Estimate the instantaneous rate of growth in 2006 by measuring the slope of the tangent line through
(2005, 10237) and (2007,
4 answers
4,346 views
Each of the following statements is false. Rewrite each so that it makes a correct statement about free energy.
a. ΔGuniverse >
2 answers
530 views
Each of the following statements is false. Rewrite each so that it makes a correct statement about free energy.
a. ΔGuniverse >
1 answer
506 views
find y' and y” by implicit differentiation.
2x^3 + 3y^3 = 8
1 answer
441 views
Use a linear approximation (or differentials) to estimate the given number.
(1.999)^4
4 answers
1,803 views
A curve passes through the point (0, 2) and has the property that
the slope of the curve at every point P is three times the
2 answers
577 views
When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C room its temperature has
1 answer
897 views
When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C room its temperature has
4 answers
5,924 views
Consider the implicit function
ln(xy)-cos^-1(x-1)=x a. Find dy/dx. b. Find y when x = 1. c. Find the equation of the tangent line
5 answers
616 views
If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height
s = 93t – 1.86t^2 after t
1 answer
441 views
If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height
s = 93t – 1.86t^2 after t
2 answers
616 views
The marginal cost of manufacturing x yards of a certain fabric is
C'(x) = 3 − 0.01x + 0.000012x2 (in dollars per yard). Find
5 answers
4,867 views
1 ) A temperature-sensitive mutation in the lacI gene of E. coli creates a repressor protein that has wild-type function at
1 answer
676 views
Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Terms can be used once, more than
3 answers
2,195 views
1) A transcriptional fusion of regulatory sequences of a particular gene with a reporter gene results in relatively uniform
3 answers
903 views
1) You are going to make 1800ml of a 25uM solution using a compound whose MW= 60.06 Daltons. How many grams do you need of this
1 answer
462 views
1) You are going to make 1800ml of a 25uM solution using a compound whose MW= 60.06 Daltons. How many grams do you need of this
1 answer
471 views
You discover a new cell type that contains measurable amounts of silver ions (Ag+) in it. You find that the concentration of Ag+
2 answers
574 views
Explain how a ligand can be both sigma donating and pi donating and give an example of a ligand that does both. Is this ligand a
1 answer
437 views
What is the molar concentration of water in a solution of 10mM glucose?
What types of ions are formed when water dissociates at
1 answer
382 views
1) How does the pH of a solution affect its solubility and structure of weak organic acids and bases, such as proteins and
2 answers
516 views
Answers (1)
2nd question: Water dissociated into H+ and OH- ions. This is the basis for acid-base chemistry. 1st question: need help!
