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Nimat P

Numerade Educator

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Educator Statistics

Numerade tutor for 4 years
362 Students Helped

Nimat's Quick Ask Videos

03:30
Chemistry 101

An aqueous solution of 3.15 M ammonia, NH3, has a density of 0.975 g/mL. The percent by mass of NH3 in the solution is.... ________%.
01:33
Biology

T cells recognize antigen when the antigen
a. forms a complex with membrane-bound MHC molecules on another
host derived cell
b. is internalized by T cells via phagocytosis and subsequently
binds to T-cell receptors in the endoplasmic reticulum
c. is presented on the surface of a B cell on membrane-bound
immunoglobulins
d. forms a complex with membrane-bound MHC molecules on the T
cell
e. bears epitopes derived from proteins, carbohydrates, and
lipids.
03:52
Chemistry 101

Calculate the stoichiometric amount of
CaCl2 needed to convert all of the
CuSO4 into CuCl2
04:03
Biology

Q. 56 In a PCR reaction mix, there is one strand of DNA
in the mix. If the efficiency of the PCR reaction is 100%,
after 5 rounds of PCR cycle, how many strands of DNA
molecules will be yielded?

Q. 57 Okazaki fragments are associated with ________.
Which mRNA sequences would form a structure that serves as a cue for
transcription termination of some genes?
05:58
Biology

Are there differences in the cardiac cycle with the respiratory
cycle (i.e. start of exhale vs. start of inhale)? Explain the
mechanism for why HR may decrease or increase during each phase of
the respiratory cycle.
A number of ECG changes occur in the normal heart during
exercise.
a. identify 3 changes that you would expect to see in the ECG
during exercise as compared to rest.
b. Why do these changes occur?
03:01
Biology

Identify the different terrestrial biomes and classify them
based on the major climate zones.
Climate Zone
Biome
Description
A treeless biome with a layer of permanently frozen soil called
permafrost beneath the surface.
Any area where evaporation occurs at a faster rate than
precipitation falls.
it does not have permafrost because temperatures are a bit
warmer and summers are longer
it is characterized by grasses and scattered trees in climates
with less precipitation than other tropical areas.
it has warm temperatures and lots of rainfall throughout the
year.
it has hot summers and cold winters
it has a wet season and a dry season. during the dry season,
almost all of the trees drop their leaves to conserve water.
open woodlands and shrub communities receive less rainfall than
temperate forests.
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