Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 169
TLS Online TPP Program

#Question id: 187

The pH inside cells is normally near pH 7. At pH 7 which statement is true about the charges (ionization state) of the α-Carboxyl and α-Amino groups of an amino acid?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The α-Carboxyl group is 1- and the α-Amino group is 1+.

  2. The α-Carboxyl group is 1+ and the α-Amino group is 1-.

  3. The α-Carboxyl group is 1- and the α-Amino group is uncharged.

  4. Both groups are uncharged (not ionized) at pH 7.

More Questions
TLS Online TPP Program

#Question id: 29025

#Unit 11. Evolution and Behavior

In a given population of male and female will be 35 and 10. What is the effective population size (ne) for this population?
TLS Online TPP Program

#Question id: 23140

#Unit 13. Methods in Biology

What will be the resolution of a compound microscope where numerical aperture given is 1.5 at 240 wavelength of light?
TLS Online TPP Program

#Question id: 1483

#Unit 4. Cell Communication and Cell Signaling

The apoptosome serves as an activation machine for the:
TLS Online TPP Program

#Question id: 26872

#Unit 10. Ecological Principles

What are the correct sequence steps of succession?
TLS Online TPP Program

#Question id: 24555

#Unit 4. Cell Communication and Cell Signaling

Naturally occurring passive form of immunity is
a) maternal IgG crosses the placenta
b) maternal IgE crosses the placenta
c) maternal IgA present in breast milk
d) Maternal IgM present in breast milk