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TLS Online TPP Program

#Question id: 300

Hydrogen bonding occurs in molecules when ___________________.

#SCPH01 Biochemistry

  1. a hydrogen atom forms a covalent bond with another atom.

  2. a hydrogen atom in a molecule forms a bond with any atom.

  3. a hydrogen atom forms an ionic bond with another atom on an adjacent molecule.

  4. a hydrogen atom bonded to F, O or N is attracted to an electron pair on a F, O or N atom on an adjacent molecule.

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TLS Online TPP Program

#Question id: 5094

#SCPH28 | Zoology

Cell migration occurs extensively during ________.
TLS Online TPP Program

#Question id: 10510

#I Life Science/ Life Sciences Group – I-V

Constitutive chemical defenses are effective against many different herbivores, including insects and mammals. Hemlock (Cicuta sp.) produces which toxins that a polyacetylene prolongs the repolarization of neuronal action potentials.
TLS Online TPP Program

#Question id: 2088

#SCPH05 I Biotechnology

Lipid droplets arise from the
TLS Online TPP Program

#Question id: 16026

#SCPH05 I Biotechnology

At low glucose concentration, below 0.25 mmol/litre, large portions of glucose and glutamine is shunted via
TLS Online TPP Program

#Question id: 17674

#SCPH01 Biochemistry

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. Has the frequency of allele a changed between Generations 1 and 2?