All the following describe the general mechanism of DNA synthesis, except:
All the following describe the general mechanism of DNA synthesis, except: a. From the perspective of the DNA template strands, one strand is made 5' 3' while the other strand is made 3' 5'. b. The strands become separated during synt
Which of the following statements concerning active transport is true?
Which of the following statements concerning active transport is true? a. It takes place in the same direction as a concentration gradient. b. It requires no expenditure of energy by the cell. c. It can be compared to water runni
Compare the advantages and disadvantages of using AMP-Sepharose vs. Cibacron blue Sepharose for the ...
Compare the advantages and disadvantages of using AMP-Sepharose vs. Cibacron blue Sepharose for the purification of LDH. What will be an ideal response?
A gas is expanded from an initial volume of 20.5 L at 0.92 atm at 23 C to a final volume of 34.6 L. ...
A gas is expanded from an initial volume of 20.5 L at 0.92 atm at 23 C to a final volume of 34.6 L. During the expansion the gas cools to 12 C. What is the final pressure? a. 0.28 atm c. 0.57 atm b. 0.52 atm d. 1.9 atm
A gas has a pressure of 540. torr when the temperature is 127 C. When the temperature changes to 27 ...
A gas has a pressure of 540. torr when the temperature is 127 °C. When the temperature changes to 27 °C, what is the new pressure, if there is no change in volume or amount of gas?
What type of synapse occurs between an axon terminal of one neuron and the axon from another neuron?
What type of synapse occurs between an axon terminal of one neuron and the axon from another neuron? A) axosomatic B) axodendritic C) dendroaxonic D) axoaxonic E) somatoaxonic
The space between the pia mater and the arachnoid mater that contains cerebrospinal fluid is called
The space between the pia mater and the arachnoid mater that contains cerebrospinal fluid is called the A) ventricle. B) choroid plexus. C) subarachnoid space. D) interventricular foramen. E) central canal.
Sulfites, salts of the anion, SO32 are found in wines as preservatives. The acid associated with the ...
Sulfites, salts of the anion, SO32 are found in wines as preservatives. The acid associated with the sulfite ion is H2SO3 . What is the name of H2SO3? a. hydrosulfuric acid c. sulfuric acid b. hydrosulfuous acid d. sulfurous acid
Calculate the [H3O+] and the pH of a 0.021 M HNO3 solution.
Calculate the [H3O+] and the pH of a 0.021 M HNO3 solution. A) 4.8 × 10-13 M and 12.32 B) 4.8 × 10-13 M and -12.32 C) 0.021 M and 1.68 D) 0.021 M and -1.68
The key reaction of eyesight (in dim light) involving vitamin A is:
The key reaction of eyesight (in dim light) involving vitamin A is: A) Reaction of the protein complex called Rhodopsin. B) A cis-trans isomerization of a double bond. C) Bleaching of a pigment in the retina. D) Reactio
The key reaction of eyesight (in dim light) involving vitamin A is:
The key reaction of eyesight (in dim light) involving vitamin A is: a. Reaction of the protein complex called Rhodopsin. b. A cis-trans isomerization of a double bond. c. Bleaching of a pigment in the retina. d. Reaction o
In a reaction between an alkyl halide and methoxide, doubling the alkyl halide concentration doubles ...
In a reaction between an alkyl halide and methoxide, doubling the alkyl halide concentration doubles the rate of the reaction. Which of the following is a reasonable conclusion? 1.The reaction is an SN2 process. 2.The reaction proceeds
Phosphoric acid, H3PO4, serves to buffer the intracellular fluid of cells at physiological pH ...
Phosphoric acid, H3PO4, serves to buffer the intracellular fluid of cells at physiological pH because: a. it is a naturally occurring amino acid b. phosphate is only found in an organic form in biological molecules c. its pK2 lie
Which of the following solutions is isotonic with a 0.15 M NaCl solution?
Which of the following solutions is isotonic with a 0.15 M NaCl solution? a. 0.15 M glucose, C6H12O6 c. 0.10 M aluminum chloride, AlCl3 b. 0.30 M glucose, C6H12O6 d. none of these
Which of the following correctly describes exons and introns?
Which of the following correctly describes exons and introns? a. Both exons and introns code for proteins, but they code for different types of proteins. b. Exons are coding sections of DNA and introns are noncoding sections. c.
An intravenous maintenance solution that is 5.0% dextrose contains 15 mEq/L HPO42-. If a patient ...
An intravenous maintenance solution that is 5.0% dextrose contains 15 mEq/L HPO42-. If a patient receives 1750 mL of this solution to maintain their electrolyte solution, how many equivalents of the HPO42- are in this amount?
Diffusion of membrane proteins was demonstrated by fusing human cells and mouse
Diffusion of membrane proteins was demonstrated by fusing human cells and mouse cells that had membrane proteins labeled with ________ of different colors. A) radioactivity B) fluorescent dyes C) fluorescent antibodies D) fluoresc
Which of the following occurs when an acid reacts with an active metal?
Which of the following occurs when an acid reacts with an active metal? a. The metal is reduced. c. both a and b b. The water is oxidized. d. neither a nor b
