Dispersion force’s interaction energy is proportional to (take “r” as the distance between the two particles) ___________

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#Question id: 2874

#Unit 2. Cellular Organization

Match one item from numbered group A with a lettered item from group B.

GROUP I	GROUP II
1. Yeast artificial chromosomes	a. They are more stable
2. Bacterial artificial chromosome	b. It is very hard to construct
	c. It is not so hard to construct
	d. They are unstable
	e. are used to clone the DNA inserts up to 300kb
	f. are used for cloning very large (1000-2000kb) DNA segments

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#Question id: 4130

#Unit 3. Fundamental Processes

Which of the following is not true of tRNA molecules?

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#Question id: 33365

#Unit 1. Molecules and their Interaction Relevant to Biology

An antibody binds to an antigen with a Kd of 5 X10^-8 M. At what concentration of antigen will θ be 0.6

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#Question id: 9206

#Unit 9. Diversity of Life Forms

To better comprehend the magnitude of current extinctions, it will be necessary to ________.

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#Question id: 636

#Unit 1. Molecules and their Interaction Relevant to Biology

DNA polymerase contains a lysine residue that is important for binding to DNA. Mutations were found that converted this lysine to either glutamate, glycine, valine, or arginine. Which mutations would be predicted to be the most and least harmful to the ability of the enzyme to bind DNA?

	Most	Least
(A)	Valine	Aspartate
(B)	Glycine	Arginine
(C)	Arginine	Glycine
(D)	Glutamate	Arginine