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If solution bubbles over then place you water + phenolphthalein solution into a cup before bubbling exhaled air into it Standard solution:Number drops NaOH solution to restore pink color
Some fungi cells complete mitosis however they do not complete cytokinesis. This would result in A) large nuclei containing many chromatids B) large cells containing lots of nuclei C) many cells each
An enzyme that follows the MWC (also known as the concerted model) model for allostery has a T/R ratio of 300 in the absence of substrate. Suppose that a mutation were to reverse that ratio(T/R= 1/3
The pKa of that basic functional group on the enzyme is 8.0, and is the only pKa apparent on a plot of kcat vs pH for the activity of this enzyme. The kcat of the fully active form of the enzyme is
the molecular weights (for the hind III fragments) beginning with the fragments nearest the origin are shown below fragment # , size in kilobase pairs (kb)
how will increasing the number of yeast cells affect the rate of ATP production by the cell (in moles ATP/hr) if the sugar concentration in the experiment is held constant
What would happen to respiration if we add a buffer or base to the external environment of the bacteria (assume bacteria is in a closed environment like a tube) How would this affect the mechanism o
he human genome project initially predicted 100,000 genes due to the number of proteins found through western blots. When near completion, computer analysis of the sequence predicted only 30,000 gen
If we add 100 ul of 0.5 mg/ml ConA and 100 ul of 1 M mannose to 800 ul of a dilute suspension of red blood cells in ConA buffer, what should we expect to happen
You want to make one liter of a solution containing 10 mg/ml sodium phosphate, 10 mg/ml sodium chloride, and 10 mg/ml potassium nitrate. How much of each starting solution do you need to use, and ho
The autosomal recessive gene transformer (tra) mutation converts chromosomal females into sterile males. A female Drosophila that is heterozygous for the tra allele is mated with a normal male homoz
If the original black guinea pigs produce an average of 10 offspring per mating, how many matings would you have to make with these same parents before you'd expect to see a white guinea pig
1. What are the subunits and functions of carbohydrates 2. What are monosaccharides, disaccharides, and polysaccharides 3. What are the subunits and functions of lipids 4. Why is a fat a better storag
Gene of unknown function in the mouse genome was investigated with reverse genetic approach Knock out mouse was created was missing particular gene When phenotype of investigated mouse was compared
To determine which protein or proteins, A, B, C, or D, are responsible for the activation of DNA synthesis, you construct mutant versions of the PDGF receptor that retain one or more tyrosine phosph
The gene (cv) is recessive and is known to be 13.7 Map units from the beginning of the chromosome. The recessive gene (f) is 51.7 map units from the beginning of the chromosome.
WHen looking at the observed and expected double cross over frequencies, what does it mean if you calculate a negative interference and what does it mean when you calculate a positive interference
an air conditioning system is used to maintain a house at a constant temperature of 22 when outside is 40 the house is gaining heat from outdoors at a rate of 30000 j and the hat generated in the ho
The crate is then pulled by a hoist a distance of 3.4m across the flat trunk bed in 8 seconds. Determine the work done in moving the crate and the power of the hoist when the coefficient of friction
A robot unloads a finished component from a machine and places it on a gravity convetor, the component accelerates from rest until it reaches the bottom of the conveyor 4.5 seconds later,the compone
Write the entropy balance for a closed system and an open system and identify the various contributions on an example control mass and control volume, respectively. A drawn example is preferred for
A force F = 200i - 400j + FZ k N, is acting through point A(0,0,0) m. If F creates a moment component of -3000 Nm in the direction of a line passing from point B (2,4,5) m to point C(-3,6,8) m, det
What kind of atomic bonding exists in Glasses, Semiconductors, Thermoplastic Polymers, and Thermoset Polymers
We are operating a centrifugal compressor. The gas composition does not change during this excursion. While holding suction pressure and flowrate constant, the inlet temperature rises.
Mary's grandmother slipped on a scatter rug and fell heavily to the floor. Her left lower limb was laterally rotated and noticeably shorter than her right, and when she attempted to get up, she winc