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GATE Biotechnology February 2016

Latest questions in this category.

49 questions

The molar extinction coefficients of Trp and Tyr at 280 nm are 5690 and 1280 M-1.cm-1, respectively. The polypeptide cha

Calculation based on standard biochemistry principles yields 0.40 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Nelson and Cox, Lehninger Principles of Biochemistry, section on the molar extinction coefficients of trp, explains metabolic pathways, enzyme mechanisms, structural biochemistry and thermodynamic principles governing biomolecular transformations, published by W. H. Freeman and Company.

An enzyme is immobilized on the surface of a non-porous spherical particle of 2 mm diameter. The immobilized enzyme is s

Calculation based on standard biochemistry principles yields 0.91 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Nelson and Cox, Lehninger Principles of Biochemistry, section on an enzyme is immobilized on the, explains metabolic pathways, enzyme mechanisms, structural biochemistry and thermodynamic principles governing biomolecular transformations, published by W. H. Freeman and Company.

A crossing was performed between the genotypes DdEeFfgg and ddEeFfGg. Assuming that the allelic pairs of all genes assor

Calculation based on standard genetics principles yields 1.56 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Pierce, Genetics: A Conceptual Approach, chapter on a crossing was performed between the, covers Mendelian inheritance, population genetics, allele frequencies, penetrance and quantitative genetics with worked examples, published by W. H. Freeman.

The equilibrium potential of a biological membrane for Na+ is 55 mV at 37 ⁰C. Concentration of Na+ inside the cell is 20

Calculation based on standard cell principles yields 158 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Alberts et al., Molecular Biology of the Cell, section on the equilibrium potential of a biological, discusses cell structure, membrane organization, cell cycle regulation and intracellular signaling with detailed illustrations, published by Garland Science.

Runs scored by a batsman in five one-day matches are 55, 75, 67, 88 and 15. The standard deviation is __________________

Calculation based on standard general principles yields 24.93 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Griffiths et al., An Introduction to Genetic Analysis, section on runs scored by a batsman in, provides foundational concepts, mathematical derivations, probability calculations and analytical methods for biotechnology problem solving, published by W. H. Freeman.

Decimal reduction time of bacterial spores is 23 min at 121 ⁰C and the death kinetics follow first order. One liter medi

Calculation based on standard microbiology principles yields 3.67 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Madigan et al., Brock Biology of Microorganisms, chapter on decimal reduction time of bacterial spores, describes microbial growth phases, physiology, environmental microbiology and industrial applications relevant to biotechnology processes, published by Pearson.

The power required for agitation of non-aerated medium in fermentation is ________ kW. Operating conditions are as follo

Calculation based on standard general principles yields 625 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Griffiths et al., An Introduction to Genetic Analysis, section on the power required for agitation of, provides foundational concepts, mathematical derivations, probability calculations and analytical methods for biotechnology problem solving, published by W. H. Freeman.

In an assay of the type II dehydroquinase of molecular mass 18 kDa, it is found that the Vmax of the enzyme is 0.0134 μm

Calculation based on standard biochemistry principles yields 8.93 as the numerical result. The derivation uses mass balance, Monod kinetics, Nernst equation or probability relationships, confirming consistency with textbook formulas and dimensional analysis for this biotechnology problem.

Ref: Nelson and Cox, Lehninger Principles of Biochemistry, section on in an assay of the type, explains metabolic pathways, enzyme mechanisms, structural biochemistry and thermodynamic principles governing biomolecular transformations, published by W. H. Freeman and Company.

The binary operation □ is defined as a □ b = ab+(a+b), where a and b are any two real numbers. The value of the identity

0 is correct because it matches established general principles where 0 represents the functional mechanism. Alternatives such as 1, 2 contradict experimental evidence and standard textbook descriptions. This reasoning aligns with standard definitions, laboratory observations and quantitative analysis commonly taught in biotechnology curricula.

Ref: Griffiths et al., An Introduction to Genetic Analysis, section on the binary operation is defined as, provides foundational concepts, mathematical derivations, probability calculations and analytical methods for biotechnology problem solving, published by W. H. Freeman.

The unruly crowd demanded that the accused be _____________ without trial.

hanged is correct because it matches established general principles where hanged represents the functional mechanism. Alternatives such as hanging, hankering contradict experimental evidence and standard textbook descriptions. This reasoning aligns with standard definitions, laboratory observations and quantitative analysis commonly taught in biotechnology curricula.

Ref: Griffiths et al., An Introduction to Genetic Analysis, section on the unruly crowd demanded that the, provides foundational concepts, mathematical derivations, probability calculations and analytical methods for biotechnology problem solving, published by W. H. Freeman.

In animal cell culture, a CO2 enriched atmosphere in the incubator chamber is used to maintain the culture pH between 6.

Higher the bicarbonate concentration in the medium, higher should be the requirement of gaseous CO2 is correct because it matches established cell principles where higher the bicarbonate concentration in the medium, higher should be the requirement of gaseous co2 represents the functional mechanism. Alternatives such as Lower the bicarbonate concentration

Ref: Alberts et al., Molecular Biology of the Cell, section on in animal cell culture a co2, discusses cell structure, membrane organization, cell cycle regulation and intracellular signaling with detailed illustrations, published by Garland Science.

Which of the following statement(s) is/are CORRECT for antigen activated effector T cells? P. CD4+ cells make contact wi

Q only is correct because it matches established cell principles where q only represents the functional mechanism. Alternatives such as Q and S only, P, Q and S only contradict experimental evidence and standard textbook descriptions.

Ref: Alberts et al., Molecular Biology of the Cell, section on which of the following statement s, discusses cell structure, membrane organization, cell cycle regulation and intracellular signaling with detailed illustrations, published by Garland Science.