1 Answers
Call
Talk Doctor Online in Bissoy App
where are embryonic stem cells found, how are they harvested? where are adult stem cells found, how are they harvested? references?
Embryonic stem cells were found in the blastocyst. Theyare harvested from the inner cell mass of the blastocyst. Adult stem cells werefound in blood, central and spinal brain, liver, pancreas,...
1 Answers 1 views
The polypeptide consists of the following amino acids: valine - alanine - glycine - lysine - tryptophan - valine - serine - glutamic acid - determine the amino acid sequence using the genetic code.
Assuming that the question requires us to determine the base sequence using the genetic code;We will use the RNA genetic codeThe answer will be;AUGGUAGCAGGAAAGUGGGUAUCAGAGUAAThe first and the last codons being...
1 Answers 1 views
How many millitters would you inject into a 175 pound patient if they needed 2.50 grains of medication per 25.00 kg of body mass if the stock solution is 5.00 grains per 10.00 mL? (1kg=2.2lbs)
Mass of the patient in KG=175pounds×0.454kg/pound=79.45KGGrains needed=(79.45÷25)×2.5=7.945 grainsMillimeters to be injected=(7.945÷5)×10=15.89 millimeters
1 Answers 1 views
Explain why pi-pi* transitions are the most useful transition in UV-Vis spectroscopy?
There are several possible electronic transitions in molecules. According to the molecular orbital theory, the energy levels of a molecule are located in such order: σ, π, n, π*, σ*....
1 Answers 1 views
Up-vis adsorption spectra are broad band spectra. Explain
Electronic excitations are usually accompanied by vibrational transitions which are usually not resolved. As a consequence broad bands result. This is pretty much the same situation as if you investigate...
1 Answers 1 views
Distinguish between UV-VIS spectrophotometry, IR spectrometry, and atomic spectroscopy
IR spectroscopy gives a good indication of the functional groups present in a molecule.UV-vis spectroscopy is a much more quantitative technique.
1 Answers 1 views
Which one of the following energy levels are occupied upon absorption of UV-Vis energy? 1. Excited V0 2. Excited V1 3. Ground state V2 A) 1 and 3 B) 1 and 2 C) only 2 D) 2 and 3 E) 1,2 and 3
Ultraviolet and visible radiation interacts with matter which causes electronic transitions (promotion of electrons from the ground state to a high energy state). The ultraviolet region falls in the range between 190-380 nm,...
1 Answers 1 views
How many kilograms are equal to 3.3 scruples? (In apothecaries’ measures: 1 scruple = 20 grains, 1 ounce = 480 grains, 1 gram = 0.03215 ounce)
1 scruple = 20 grains1 grain = 64.79891 milligrams = 0.065 g = 0.000065 kg3.3 scruples is equal to: 3.3 x 20 x 0.000065 = 0.0043 kg
1 Answers 1 views
How many milliliters would you inject into a 175 pound patient that needs 2.50 grains of medication per 25.00 kg of body mass if the stock solution is 5.00 grains per 10.00 mL? (1kg=2.2lbs)
Mass of the patient in KG=175pounds×0.454kg/pound=79.45KGGrains needed=(79.45÷25)×2.5=7.945 grainsMillimeters to be injected=(7.945÷5)×10=15.89 millimeters
1 Answers 1 views
To find concentration of Fe2+, we use UV-vis.
Why we make Fe2+ to [Fe(Phen)3]2+ to use UV-vis ?
Fe2+의 농도를 알아내기 위해 UV-vis를 사용하는데, UV-vis를 사용하기 위해서 왜 Fe2+를 [Fe(Phen)3]2+로 만드나요?
Since the iron current in the water mainly exists as Fe3+, it is vital to, first of all, reduce Fe3+ to Fe2+. To achieve this process is by adding the...
1 Answers 1 views