To express Tat Protein in CD4 T cells without pre-activation
Hello All My experiment plan: To express Tat protein in CD4 T cell without pre-activation. I have tried different vectors and virus such as MND-AAV6 EGFP, CMV-AAV6 EGFP, AdRGD EGFP, SFFV-Lentivirus EGFP, MSCV-Lentivirus EGFP , HIV-VSV-G-Luc and
An unknown amount of He gas occupies 30.5 L at 2.00 atm pressure and 300 K. What is the weight of ...
An unknown amount of He gas occupies 30.5 L at 2.00 atm pressure and 300 K. What is the weight of the gas in the container? a. 2.48 g c. 9.91 g b. 4.95 g d. 19.8 g
Which of the following is formed when a strong acid reacts with dimethylamine, (CH3)2NH?
Which of the following is formed when a strong acid reacts with dimethylamine, (CH3)2NH? a. CH3NH3 c. (CH3)2NH2+ b. CH3NH3+ d. None of these, no reaction occurs.
If the y-intercept of a Lineweaver-Burk plot = 1.91 (sec/millimole) and the slope = 75.3 L/sec, Vmax ...
If the y-intercept of a Lineweaver-Burk plot = 1.91 (sec/millimole) and the slope = 75.3 L/sec, Vmax equals: a. 0.0254 millimoles per second. b. 0.523 millimoles per second. c. 5.23 millimoles per second. d. 39.4 millimole
The enzyme curease catalyzes the conversion of L-mendit to alpha-ketowhatsit. Assume that you have ...
The enzyme curease catalyzes the conversion of L-mendit to alpha-ketowhatsit. Assume that you have used the proper conditions and have obtained the following data:Concentration of L-mendit (mM) Micromoles of alpha-ketowhatsit produced per minute 1.0
Which of the following biologically important compounds is achiral?
Which of the following biologically important compounds is achiral? a. 3-aminopropanoic acid b. 2,3-dihydroxypropanoic acid c. 3,5-dihydroxy-3-methylpentanoic acid d. None, they are all chiral.
table sugar is placed into a negative control flask. Explain the effect this would have
For this question, im a little confused as to what the effects would be on the other nutrients. For example, I think the sugar might reduce but I still think I'll need an explanation for the answer as I'm confused as to how it would effect
Anomers can be interconverted ________. (Multiple Choice)
Anomers can be interconverted ________. A) by rotation about carbon-carbon bonds B) via a linear intermediate C) by an isotopic exchange reaction D) None of the above. Anomers cannot be interconverted.
Which of the following solutions will have the highest electrical conductivity?
Which of the following solutions will have the highest electrical conductivity? a. 0.1 M NaCl c. 0.1 M AlCl3 b. 0.1 M BaCl2 d. All have the same conductivity.
The name for the process of interconversion of alpha and beta forms of D-glucose is
The name for the process of interconversion of alpha and beta forms of D-glucose is a. pyranosization b. epimerization c. hydrolysis d. esterification e. mutarotation
The formula of a particular compound can be written as (i) C4H10 (ii) CH3CH2CH2CH3 (iii) ...
The formula of a particular compound can be written as (i) C4H10 (ii) CH3CH2CH2CH3 (iii) CH3(CH2)2CH3 Which of the following is true? a. All of these provide exactly the same amount of information. b. Formula (ii) provides more informat
Consider the following system at equilibrium:SO2Cl2(g) ⇔ SO2(g) + Cl2(g) Identify ...
Consider the following system at equilibrium: SO2Cl2(g) ⇔ SO2(g) + Cl2(g) Identify which combination of the following changes will shift the equilibrium to the product side. I. Addition of SO
Given the R-groups in the peptide, ALA-GLN-ARG-SER-HIS, it would likely be:
Given the R-groups in the peptide, ALA-GLN-ARG-SER-HIS, it would likely be: A) Very water soluble B) Somewhat water soluble C) Not very water soluble D) Not soluble at all E) You cannot tell from the sequence
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 reactions will consume the most oxygen?
Which of the following reactions will consume the most oxygen? a. complete combustion of one mole of 3-ethylheptane b. complete combustion of one mole of 3,5-dimethylheptane c. complete combustion of one mole of 2,2-dimethyloctan
Which of the following is true as a student slides down a water slide?
Which of the following is true as a student slides down a water slide? a. kinetic energy decreases c. total energy increases b. potential energy increases d. none of the above
Which combination contains atoms or ions with complete valence shells?
Which combination contains atoms or ions with complete valence shells? A) Ne, O2-, Ca2+, Fe2+ B) F-, Na+, Sn2+, Ar C) P3-, Mg2+, He, Sc3+ D) Kr, K+, Cu+, Al3+
Dry air is 78.08 nitrogen, 20.95 oxygen and 0.93 argon with the 0.04 being other gases. If the ...
Dry air is 78.08 nitrogen, 20.95 oxygen and 0.93 argon with the 0.04 being other gases. If the atmospheric pressure is 760.0 torr, what is the partial pressure of nitrogen in dry air? a. 78.08 torr c. 593.4 torr b. 166.6 torr d. 760.0 t
An ammonia buffer contains NH3:NH4+ in a ratio of 0.4 moles:0.6 moles (pK = 9.75). What will be the ...
An ammonia buffer contains NH3:NH4+ in a ratio of 0.4 moles:0.6 moles (pK = 9.75). What will be the pH if you add 0.01 moles of HCl to this buffer? a. 8.98 b. 9.04 c. 9.25 d. 9.46 e. 9.52
An ammonia buffer contains NH3:NH4+ in a ratio of 0.4 moles:0.6 moles (pK = 9.75). What will be the ...
An ammonia buffer contains NH3:NH4+ in a ratio of 0.4 moles:0.6 moles (pK = 9.75). What will be the pH if you add 0.01 moles of HCl to this buffer? A) 8.98 B) 9.04 C) 9.25 D) 9.46 E) 9.52
A piece of zinc placed in hydrochloric acid results in a fierce effervescence and the zinc ...
A piece of zinc placed in hydrochloric acid results in a fierce effervescence and the zinc eventually dissolves, yielding a solution of zinc chloride. A glowing splint gives a "popping" sound, indicating the presence of hydrogen gas. What t
When an insect is crushed, it creates a crunching sound. What carbohydrate is the most likely source ...
When an insect is crushed, it creates a crunching sound. What carbohydrate is the most likely source of this sound? A) glycogen B) chitin C) peptidoglycan D) cellulose E) starch
What is the purpose of the slow loading procedure from steps 1-4? Why do we put small quantities of ...
What is the purpose of the slow loading procedure from steps 1-4? Why do we put small quantities of buffer on top of the column? What will be an ideal response?
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
Assuming the oligopeptide ALPHAHELICKS forms one continuous -helix, the carbonyl oxygen of the ...
Assuming the oligopeptide ALPHAHELICKS forms one continuous -helix, the carbonyl oxygen of the glutamic acid residue is hydrogen bonded to the amide nitrogen of a. leucine. b. isoleucine. c. cysteine. d. lysine. e.
Which of the following statements describe a mixture?
Which of the following statements describe a mixture? a. A mixture does not contain a fixed ratio by mass of the component elements. b. Chemical techniques are required to separate the components of a mixture. c. both a and b
