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TLS Online TPP Program

#Question id: 2094

Porins

#XL - S Microbiology

  1. are peripheral membrane proteins.

  2. contains no hydrophobic amino acid residues.

  3. have many hydrophobic alpha-helical regions.

  4. allows small hydrophilic molecules to pass through a membrane.

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TLS Online TPP Program

#Question id: 3609

#XL - T Zoology

In humans, the dominance relationship between the A and B alleles of the ABO blood group gene is an example of
TLS Online TPP Program

#Question id: 3015

#XL - S Microbiology

All the bacterial cells that result from the replication of a single original bacterial organism are said to be a
TLS Online TPP Program

#Question id: 8924

#XL - R Botany

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1. Protostomes invade terrestrial environments.
2. Cambrian explosion occurs.
3. Deuterostomes invade terrestrial environments.
4. Vertebrates become top predators in the seas.
TLS Online TPP Program

#Question id: 430

#XL - Q Biochemistry

The reactions that digest foods in the mouth, stomach and intestine are classified as reactions.
TLS Online TPP Program

#Question id: 110

#XL - Q Biochemistry

Tay-Sachs disease results from