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Prasha M

Numerade Educator

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Educator Statistics

Numerade tutor for 4 years
207 Students Helped

Prasha's Quick Ask Videos

07:50
Chemistry 101

Refer to the following equation:
How many molecules of water are produced if 1.76 mol of
NO2 is given off?
a.
31.7
b.
none of these
c.
1.59 × 1024
d.
2.12 × 1024
e.
1.06 × 1024
2)The reactant that runs out first and limits the amounts of
products that can form is called the _____.
3)
Consider the
following unbalanced equation:
How many moles of water are needed to react with 219. g of
Al4C3?
a.
1.52 mol
b.
0.657 mol
c.
0.127 mol
d.
329. mol
e.
18.3 mol
04:45
Biology

Why is genetic drift more likely to
occur in small populations, as compared to large populations?
a.) Small populations are more likely to have high levels of
gene flow, through immigration and emigration.
b.) Small populations are less likely to live in areas
affected by random events, like wildfires.
c.) Alleles that only exist within a few individuals, as
compared to many individuals, are more likely to be lost from a
population due to random events.
d.) Individuals are less likely to show non-random mating
in large populations, as compared to small populations.

04:09
Biology

1) How are the two products of glycolysis connected
to the reactions of the TCA cycle?
2) Why is the TCA cycle considered to be the
central pathway in the energy metabolism of a cell?
3) Describe the mechanism by which NADH produced in the
cytosol by glycolysis is able to feed electrons into the TCA
cycle.
0:00
Biology

1. This type of agar is not selective or differential.
Group of answer choices
EMB agar
Mannitol salt agar
Sheep blood agar
Tryptic soy agar

2. Imagine you streaked an unknown bacteria onto EMB agar
and put it in the incubator for 24 hours. However, nothing grew.
What is the most likely reason?
Group of answer choices
The bacteria were gram positive
The bacteria ferment lactose
The bacteria were gram negative
The bacteria do not ferment lactose
03:01
Biology

If in your science lab, four bottles containing antigens have been mixed up, how would you be able to determine which bottle contained which antigen? The bottles contained Ag-A, Ag-B, Ag-C, and Ag-D. Using Ab-A, Ab-B, Ab-C, and Ab-D, set up an experiment to correctly re-label your reagents.
01:08
Biology

among the following foods which contains the lowest amount of
lactose per serving?
a. yogurt b. milk c. milkshake d. ice cream
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