TLS Online TPP Program

#Question id: 2239


Consider the transport of K+ from the blood (where its concentration is about 4 mM) into an erythrocyte that contains 150 mM K+.  The transmembrane potential is about 60 mV, inside negative relative to outside.  The free-energy change for this transport process is:  (These values may be of use to you:  R = 8.315 J/mol.K; T = 298 K; 9 (Faraday constant) = 96,480 J/V; N = 6.022×10²³ /mol.)

#Unit 2. Cellular Organization
  1. about 5 J/mol.

  2. about 15 J/mol.

  3. about 5 kJ/mol.

  4. about 15 kJ/mol.

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TLS Online TPP Program

#Question id: 10311

#Unit 6. System Physiology – Plant

A succinate dehydrogenase is one of the enzyme of TCA cycle, which is also known as Respiratory complex II. It is competitively inhibited by;

TLS Online TPP Program

#Question id: 10312

#Unit 6. System Physiology – Plant

Methyl group of acetyl-CoA with the oxaloacetate by using water molecules is coverted to methylene in citrate, this type of reaction catalysed is known as

TLS Online TPP Program

#Question id: 10313

#Unit 6. System Physiology – Plant

Which of the following enzyme are found in the inner membrane of mitochondria?

TLS Online TPP Program

#Question id: 10314

#Unit 6. System Physiology – Plant

How many redox reaction and decarboxylation reaction participate in Kreb’s cycle?

TLS Online TPP Program

#Question id: 10315

#Unit 6. System Physiology – Plant

One of the enzyme of citric acid cycle known as isocitrate dehydrogenase, some of the characterictics are given below;

a) Isocitrate dehydrogenase is found in both cytosol as well as in mitochondria

b) Isocitrate is oxidized by hydride transfer to NAD+ or NADP+ depending on the location whether IDH present in cytosol or mitochondria

c) Isocitrate dehydrogenase forms oncometabolites such as 2-Oxoglutarate

d) Isocitrate dehydrogenase also participate in Glyoxylate cycle

Which of the following characteristics of isocitrate dehydrogenase is incorrect?

TLS Online TPP Program

#Question id: 10316

#Unit 6. System Physiology – Plant

Succinate dehydrogenase an enzyme is inhibited by  Malonate and Oxaloacetate, which of the following graph represents the correct competitve inhibition  of enzyme with these inhibitors?