Practice Questions

TLS Online TPP Program

#Question id: 4317

Which of the following functions does the product of the p53 gene carry out?

#Section 3: Genetics, Cellular and Molecular Biology

It inhibits the cell cycle.
It slows down the rate of DNA replication by interfering with the binding of DNA polymerase.
It causes cells to reduce expression of genes involved in DNA repair.
It allows cells to pass on mutations due to DNA damage.

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TLS Online TPP Program

#Question id: 15101

#Section 1: Engineering Mathematics

Whether the following equations are inconsistent

3x + y - 2z = -2

2x + 4y + 7z = 7

TLS Online TPP Program

#Question id: 14541

#Section 1: Engineering Mathematics

The value of the integral dy/dx

TLS Online TPP Program

#Question id: 14690

#Section 1: Engineering Mathematics

One hundred identical coins each with probability p of showing up heads are tossed. If 0 < p < 1 and the probability of heads showing on 50 coins is equal to that of the heads showing in 51 coins, then the value of p is

TLS Online TPP Program

#Question id: 14515

#Section 1: Engineering Mathematics

Two cards are drawn at random from a pack of 52 cards. The probability that one may be a jack and other an Ace is

TLS Online TPP Program

#Question id: 27176

#Section 5: Bioprocess Engineering and Process Biotechnology

A strain of Azotobacter vinelandii is cultured in a 15-m³ stirred fermenter for alginate production. Under current operating conditions, ka is 0.17 s¹. The solubility of oxygen in the broth is approximately 8 × 10^-3 kg m ^-3.

(a) The specific rate of oxygen uptake is 12.5 mmol g^-1h^-1. What is the maximum cell concentration supported by oxygen transfer in the fermenter.............in g/l