Practice Questions

TLS Online TPP Program

#Question id: 762

Regarding the sugar residues in nucleic acids, which, if any, of the following statements is incorrect?

#SCPH05 I Biotechnology

The sugar is always based on a heterocyclic ring that consists of one oxygen atom and four carbon atoms, one of which is connected to a fifth carbon atom, the 5’ carbon atom.
The internal sugar residues in a DNA strand normally have free hydroxyl groups, unlike those in an RNA strand.
Bases are covalently linked to the carbon 1’ atoms of the sugars.
Neighboring sugar residues are linked to each other by a phosphodiester bond that connects the 3’ carbon atom on one sugar to the 5’ carbon atom of its neighbour.

More Questions

TLS Online TPP Program

#Question id: 351

#SCPH06 I Botany

If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.

TLS Online TPP Program

#Question id: 9222

#SCPH06 I Botany

Which of the following statements is accurate with respect to the red-cockaded woodpecker populations in the southeastern United States?

TLS Online TPP Program

#Question id: 320

#SCPH05 I Biotechnology

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the

TLS Online TPP Program

#Question id: 5559

#SCPH01 Biochemistry

During fertilization, the acrosomal contents ________.

TLS Online TPP Program

#Question id: 17922

#SCPH01 Biochemistry

Which of the following algorithms implements “once a gap, always a gap” policy?