Practice Questions

TLS Online TPP Program

#Question id: 787

Which of the following statement is INCORRECT with respect to the structure of DNA?

#SCPH05 I Biotechnology

Six adenosines in a row in a DNA helix produce a bend of about 18 degrees.
DNA was first isolated and characterized by Friedrich Miescher who called the phosphorus-containing substance “nuclein.”
It is the pentoses that define the identity of a nucleic acid not the nitrogenous bases.
The Z-DNA tracts do not play any role in regulating the expression of some genes or in genetic recombination.

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TLS Online TPP Program

#Question id: 14215

#SCPH05 I Biotechnology

kLa is measured in dynamic method of oxygen transfer by

TLS Online TPP Program

#Question id: 8911

#SCPH28 | Zoology

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

TLS Online TPP Program

#Question id: 2997

#SCPH05 I Biotechnology

Composed of population of cell that at the same stage of their cell cycle

TLS Online TPP Program

#Question id: 18679

#SCPH01 Biochemistry

Chiral compounds can be resolved using

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#Question id: 3861

#SCPH01 Biochemistry

_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.