Practice Questions

TLS Online TPP Program

#Question id: 4358

Which of the following mechanisms is used to coordinate the expression of multiple, related genes in eukaryotic cells?

#SCPH28 | Zoology

Environmental signals enter the cell and bind directly to promoters.
A given gene may have multiple enhancers, but each enhancer is generally associated with only that gene and no other.
The genes are organized into a large operon, allowing them to be coordinately controlled as a single unit.
A single repressor is able to turn off several related genes.

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TLS Online TPP Program

#Question id: 15215

#SCPH28 | Zoology

Different from conventional gels (Resolving and stacking gel), the matrix of single gels introduced contains three amino acids are

TLS Online TPP Program

#Question id: 27751

#Research Methodology

In the methods section of the report, the researcher needs to:

TLS Online TPP Program

#Question id: 8922

#SCPH06 I Botany

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

TLS Online TPP Program

#Question id: 3010

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

Endospores

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#Question id: 334

#SCPH05 I Biotechnology

Which of the following statements about hydrogen bonding is not true?