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TLS Online TPP Program

#Question id: 314

Which statement explains the cleaning action of soap on greasy dishes?

#XL - Q Biochemistry

  1. The soap changes the water-solubility of the grease so that it is easily dissolved by the water.

  2. The grease is trapped inside the hydrophobic interior of micelles made of soap molecules.

  3. The soap chemically breaks down the grease into smaller, more water-soluble molecules.

  4. The soap hydrates the grease with its polar head groups and holds it in suspension.

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TLS Online TPP Program

#Question id: 1120

#XL - Q Biochemistry

A mutation that knocks out the GTPase activity of a G protein would have what effect on a cell?
TLS Online TPP Program

#Question id: 18510

#XL - R Botany

Avena sativa is used as a
TLS Online TPP Program

#Question id: 27240

#XL - T Zoology

When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?
TLS Online TPP Program

#Question id: 1579

#XL - S Microbiology

Function of Vitronectin 
TLS Online TPP Program

#Question id: 5566

#XL - T Zoology

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?