TLS Online TPP Program

#Question id: 2146


In one catalytic cycle, the Na+/K+ ATPase transporter transports:

#Section 2: General Biology
  1. 2 Na+ out, 3 K+ in, and converts 1 ATP to ADP + Pi.

  2. 3 Na+ out, 2 K+ in, and converts 1 ATP to ADP + Pi. 

  3. 3 Na+ in, 2 K+ out, and converts 1 ATP to ADP + Pi.

  4. 1 Na+ out, 1 K+ in, and converts 1 ATP to ADP + Pi.

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TLS Online TPP Program

#Question id: 14166

#Section 4: Fundamentals of Biological Engineering

Stoichiometric equations are used to represent growth of microorganisms provided a ' molecular formula' for the cells is available. The molecular formula for biomass is obtained by measuring the amounts of C, N, H, O and other elements in cells. For a particular bacterial strain, the molecular formula was determined to be C4.4H7.30 1.2N0.86 . These bacteria are grown under aerobic conditions with hexadecane (C16H34) as substrate. The reaction equation describing growth is:

                             

You have been put in charge of a small fermenter for growing the bacteria and aim to produce 2.5 kg of cells for inoculation of a pilot-scale reactor. What minimum amount of hexadecane substrate must be contained in your culture medium? 

TLS Online TPP Program

#Question id: 15689

#Section 1: Engineering Mathematics

The maximum value of the determinant among all 2 x 2 real symmetric matrices with trace 24 is 

TLS Online TPP Program

#Question id: 1864

#Section 2: General Biology

What is the approximate percentage of cases of severe combined immunodeficiency (SCID) due to defects in the Armetis gene?

TLS Online TPP Program

#Question id: 239

#Section 2: General Biology

ATP is not a nucleoside because it ________.

TLS Online TPP Program

#Question id: 27243

#Section 3: Genetics, Cellular and Molecular Biology

In DNA double helix, the two DNA chains are held together by