TLS Online TPP Program

#Question id: 351


 If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. is 10 times higher in the cytoplasm than in the mitochondrial matrix

  2. is 10 times higher in the mitochondrial matrix than in the cytoplasm

  3. in the cytoplasm is 7/8 the concentration in the mitochondrial matrix

  4. in the cytoplasm is 8/7 the concentration in the mitochondrial matrix

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TLS Online TPP Program

#Question id: 13029

#Unit 13. Methods in Biology

Mutation at Vir E and Vir B can repectively cause :

TLS Online TPP Program

#Question id: 10505

#Unit 6. System Physiology – Plant

Pseudomonas aeruginosa can alleviate the symptoms of abiotic stress by releasing of antibiotics, the amounts of the compounds released by P. aeruginosa are controlled by

TLS Online TPP Program

#Question id: 27964

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes their location and cofactor along with the inhibitors is given 
a. Citrate synthase Located in Matrix space uses CoA as cofactor and can be inhibited by Monofluoroacetyl-CoA
b. Aconitase Located in Inner membrane uses Fe2+ as cofactor and can be inhibited by Fluoro acétate
c. Isocitrate dehydrogenase Located Matrix space in uses NAD, NADP Mg2+. Mn2+ as cofactor and can be inhibited by ATP
d. Succinate dehydrogenase Located in Inner membrane uses FAD as cofactor and can be inhibited by Malonate, Oxaloacetate

Which of the following is correct

TLS Online TPP Program

#Question id: 26571

#Unit 3. Fundamental Processes

Which of the following is required to initiate modifications of histone H3 (deacetylation of K9 and K14, followed by methylation of K9) in human

TLS Online TPP Program

#Question id: 2816

#Unit 2. Cellular Organization

Which of the following mutations can result in a reduction of β-galactosidase?

a. a mutation in adenylate cyclase

b. a mutation in catabolite activator protein (CAP)

c. a mutation in the CAP site in the lac control region

d. a mutation in the repressor binding site in the operator