The upper scala vestibuli and the lower scala tympani contain perilymph and communicate with each other at the apex of the cochlea through a small opening called the helicotrema

TLS Online TPP Program

#Id: 335

#Unit 1. Molecules and their Interaction Relevant to Biology

Glucagon lowers the cellular level of fructose 2,6 bisphosphate, inhibiting glycolysis and stimulating gluconeogenesis.

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#Id: 10408

#Unit 4. Cell Communication and Cell Signaling

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#Id: 2234

#Unit 11. Evolution and Behavior

Nucleotide changes, particularly those at the third position of the codon, that do not alter the amino acid sequence are called synonymous substitutions.

Nucleotide changes in a gene that alter the amino acid sequence of a protein are referred to as non-synonymous substitutions.

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#Id: 2210

#Unit 11. Evolution and Behavior

Alfred Russel Wallace- Who was collecting specimens in the Malay Archipelago, had independently conceived of natural selection.

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#Id: 4950

#Unit 6. System Physiology – Plant

PHYA is the only gene that encodes a Type I phytochrome. Phytochrome A predominantly perceives far-red light.