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TLS Online TPP Program

#Question id: 5214

What is the most probable explanation for the continued presence of pseudogenes in a genome such as our own?

#SCPH28 | Zoology

  1. They are genes that had a function at one time, but that have lost their function because they have been translocated to a new location.

  2. They are genes that have accumulated mutations to such a degree that they would code for different functional products if activated.

  3. They are duplicates or near duplicates of functional genes but cannot function because they would provide inappropriate dosage of protein products.

  4. They are genes that are not expressed, even though they have nearly identical sequences to expressed genes.

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TLS Online TPP Program

#Question id: 1099

#SCPH01 Biochemistry

How does the toxin of Vibrio cholerae cause profuse diarrhea?
TLS Online TPP Program

#Question id: 3859

#SCPH06 I Botany

Polyadenylation is:
TLS Online TPP Program

#Question id: 2621

#SCPH05 I Biotechnology

The leaky expression of lac genes ensures that,
TLS Online TPP Program

#Question id: 6968

#SCPH28 | Zoology

In Xenopus, the mesoderm moves in through the blastopore by rolling around the dorsal lip in a process called:
TLS Online TPP Program

#Question id: 11471

#SCPH28 | Zoology

Hair cells in the vertebrate ear are responsible for transducing sound pressure waves. Ion channels in the hair cell membrane open when ________.