Practice Questions

TLS Online TPP Program

#Question id: 378

Which of the following statements about buffers is true?

#XL - S Microbiology

A buffer composed of a weak acid of pKa = 5 is stronger at pH 4 than at pH 6.
At pH values higher than the pKa, the salt concentration is higher than that of the acid.
The strongest buffers are those composed of strong acids and strong bases.
When pH = pKa, the weak acid and salt concentrations in a buffer are equal.

More Questions

TLS Online TPP Program

#Question id: 2226

#XL - Q Biochemistry

What will happen to a red blood cell (RBC), which has an internal ion content of about 0.9%, if it is placed into a beaker of pure water?

TLS Online TPP Program

#Question id: 2104

#XL - S Microbiology

Peripheral membrane proteins:

TLS Online TPP Program

#Question id: 1623

#XL - S Microbiology

Which of the following is a complement component that is strongly chemotactic for neutrophils?

TLS Online TPP Program

#Question id: 2330

#XL - T Zoology

The cell theory states that

TLS Online TPP Program

#Question id: 27240

#XL - T Zoology

When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?