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TLS Online TPP Program

#Question id: 409

For the following reaction,DG'° = +29.7 kJ/mol. L-Malate + NAD+ -> oxaloacetate + NADH + H+ The reaction as written:

#XL - S Microbiology

  1. can never occur in a cell.

  2. can occur in a cell only if it is coupled to another reaction for which DG'°is positive.

  3. can occur only in a cell in which NADH is converted to NAD+ by electron transport.

  4. may occur in cells at some concentrations of substrate and product.

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TLS Online TPP Program

#Question id: 5756

#XL - S Microbiology

Type of mutation caused by an addition or deletion of a base in a polypeptide-encoding part of a gene
TLS Online TPP Program

#Question id: 3045

#XL - S Microbiology

Which one of the following combinations Mac-Conkey Agar allows to growth of gram negative bacteria?

(P) Bile salts                          (Q) Sodium chloride

(R) Methylene blue                  (S) Crystal violet
TLS Online TPP Program

#Question id: 11330

#XL - T Zoology

Bio geographers have noted that the tropics have more terrestrial species than temperate regions. Which of the following is NOT a plausible explanation for this pattern?
TLS Online TPP Program

#Question id: 12671

#XL - R Botany

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,
TLS Online TPP Program

#Question id: 1050

#XL - T Zoology

Which does not refer to the shape of a virus?