Practice Questions

TLS Online TPP Program

#Question id: 787

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

#SCPH06 I Botany

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.

More Questions

TLS Online TPP Program

#Question id: 559

#SCPH01 Biochemistry

In competitive inhibition, an inhibitor:

TLS Online TPP Program

#Question id: 10579

#SCPH28 | Zoology

The following graph is growing population, which of the following represent growth pattern?

TLS Online TPP Program

#Question id: 2291

#SCPH05 I Biotechnology

Ribosomes are found

TLS Online TPP Program

#Question id: 2062

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

Which of the following types of molecules lack hydrophilic domains?

TLS Online TPP Program

#Question id: 323

#SCPH06 I Botany

When the atoms involved in a covalent bond have the same electronegativity, what type of bond results?