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TLS Online TPP Program

#Question id: 4627

Which of the following is not one of Charles Darwin's observations?

#XL - T Zoology

  1. Individuals in a population vary in their traits.

  2. Many of the traits in an individual are heritable.

  3. A population avoids competition by producing only as many offspring as can successfully reproduce on their own.

  4. Species generally are adapted to their environments.

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TLS Online TPP Program

#Question id: 3671

#XL - S Microbiology

_____________ promotes recombination between specific sites on the plasmid if the same site occurs more than once in the molecule, as it would in a dimer or multimer.
TLS Online TPP Program

#Question id: 1225

#XL - Q Biochemistry

The dissociation constant Kd for a receptor-ligand complex is

a. a measure of the affinity of the receptor for the ligand.

b. the concentration of the ligand at which half of the receptors contain bound ligand.

c. a measure of the time it takes for a ligand to be converted to a product.

d. equal to koff/kon 
TLS Online TPP Program

#Question id: 3433

#XL - T Zoology

Which of the following is true about imprinting?
TLS Online TPP Program

#Question id: 12010

#XL - T Zoology

Precursor to the northern group of continents
TLS Online TPP Program

#Question id: 818

#XL - Q Biochemistry

Which one of the following weak interactions have central features of protein structures, but makes only minor contributions to protein stability?