Practice Questions

TLS Online TPP Program

#Question id: 27248

Which of the following forces can stabilize a normal DNA double-helix?

#XL - T Zoology

Base-stacking is a non-covalent interaction that occurs between the relatively hydrophobic bases in the interior of the helix.
Base-pairing is a non-covalent interaction that occurs between adjacent bases in the same strand of the DNA molecule.
The hydrophilic sugar-phosphate groups are on the exterior of the helix where they can interact with each other.
The deoxyribose rings form N-glycosidic bonds with the phosphate groups that link neighboring nucleotides.

More Questions

TLS Online TPP Program

#Question id: 2362

#XL - Q Biochemistry

Before a cell divides, the centrioles ______

TLS Online TPP Program

#Question id: 2053

#XL - S Microbiology

The single best chance of a tissue graft being accepted in a human recipient is if it is:

TLS Online TPP Program

#Question id: 14812

#XL - S Microbiology

Size and foreignness are not, by themselves, sufficient to make a molecule immunogenic; other properties are needed as well. Which one is not correct immunogenic properties?

TLS Online TPP Program

#Question id: 11565

#XL - T Zoology

Portal blood vessels connect two capillary beds found in the ________.

TLS Online TPP Program

#Question id: 2142

#XL - S Microbiology

Glucose transport into erythrocytes is an example of