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TLS Online TPP Program

#Question id: 548

Which one of the following statements is true of enzyme catalysts?

#SCPH05 I Biotechnology

  1. Their catalytic activity is independent of pH.

  2. They are generally equally active on D and L isomers of a given substrate.

  3. They can increase the equilibrium constant for a given reaction by a thousand fold or more.

  4. They can increase the reaction rate for a given reaction by a thousand fold or more.

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TLS Online TPP Program

#Question id: 5097

#SCPH01 Biochemistry

The embryonic precursor to the human spinal cord is the ________.
TLS Online TPP Program

#Question id: 410

#SCPH05 I Biotechnology

For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?
TLS Online TPP Program

#Question id: 12921

#SCPH28 | Zoology

Match the following:-
A. Gene probe production.              i. Novel proteins
B. Genome mapping.                       ii. PCR mutagenesis
C. Protein Engineering.                 iii. Sequence tagged sites
D. Gene Editing.                                iv. Use with blots
TLS Online TPP Program

#Question id: 14677

#SCPH05 I Biotechnology

The volumetric flow rate of carbon tetrachloride (CCI4) in a pipe is 50 cm3 min-1. The density of CCI4 is 1.6 g cm-3.

(i) What is the mass flow rate of CCI4?

(ii) What is the molar flow rate of CCI4 ?
TLS Online TPP Program

#Question id: 12725

#I Life Science/ Life Sciences Group – I-V

Match the following

DNA form

Helix Direction

Number of bases per helix turn

1. B

a. Left Handed

i. 10

2.  A

b. Right Handed

ii. 12

3.  C

c. Left Handed

iii. 14

4. Z

d. Right Handed

iv. 9