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TLS Online TPP Program

#Question id: 2163

Osmosis

#XL - S Microbiology

  1. can cause cells to burst.               

  2. is not regulated in protozoa or plant cells.

  3. is the process by which water flows from a solution with a  lower solute concentration to a solution with a higher solute concentration.

  4. may involve large-scale movement of lipid molecules.

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TLS Online TPP Program

#Question id: 10511

#XL - R Botany

Which type of pumps inhibits digitoxin in the membranes of heart cells, leading to increased myocardial contraction?
TLS Online TPP Program

#Question id: 1718

#XL - Q Biochemistry

When Langerhans' cells differentiate into fully mature dendritic cells (DCs) they:
TLS Online TPP Program

#Question id: 18504

#XL - R Botany

Wheat straw is a good
TLS Online TPP Program

#Question id: 4785

#XL - R Botany

One form of white eye is a recessive X-linked gene in Drosophila. From a mating of a heterozygous wild-type Drosophila female with a white-eyed male, what is the probability of wild type offspring?
TLS Online TPP Program

#Question id: 19569

#XL - P Chemistry

Which of the following molecular hydrides acts as a Lewis acid?