Recent questions tagged biochemistry / GO BioTechnology

0 votes

0 answers

1

GATE2018-55
A rod shaped bacterium has a length of $2 \: \mu m$, diameter of $1 \mu m$ and density the same as that of water. If proteins constitute $15 \%$ of the cell mass and the average protein has a mass of $50$ kDa, the number of proteins in the cell is __________ ($1$ Da $= 1.6 \times 10^{-24}$g)

A rod shaped bacterium has a length of $2 \: \mu m$, diameter of $1 \mu m$ and density the same as that of water. If proteins constitute $15 \%$ of the cell mass and the ...

gatecse

1.4k points

gatecse asked Feb 20, 2018

0 votes

0 answers

2

GATE2018-53
Consider a simple uni-substrate enzyme that follows Michaelis-Menten kinetics. When the enzyme catalyzed reaction was carried out in the presence of $10$ nM concentration of an inhibitor, there was no change in the maximal velocity. However. the slope of the Lineweaver-Burk plot increased $3$-fold. The dissociation constant for the enzyme-inhibitor complex (in nM) is ____________

Consider a simple uni-substrate enzyme that follows Michaelis-Menten kinetics. When the enzyme catalyzed reaction was carried out in the presence of $10$ nM concentration...

gatecse

1.4k points

gatecse asked Feb 20, 2018

0 votes

0 answers

3

GATE2018-52
First order deactivation rate constants for soluble and immobilized amyloglucosidase enzyme are $0.03 \text{ min}^{-1}$ and $0.005 \text{ min}^{-1}$, respectively. The ratio of half-life of the immobilized enzyme to that of the soluble enzyme is (rounded off to the nearest integer) ___________

First order deactivation rate constants for soluble and immobilized amyloglucosidase enzyme are $0.03 \text{ min}^{-1}$ and $0.005 \text{ min}^{-1}$, respectively. The ra...

gatecse

1.4k points

gatecse asked Feb 20, 2018

0 votes

0 answers

4

GATE2018-49
Yeast converts glucose to ethanol and carbon dioxide by glycolysis as per the following reaction: $C_6H_{12}O_6 \to 2C_2H_5OH + 2CO_2$Assuming complete conversion, the amount of ethanol produced (in $g$) from $200 \: g$ of glucose is (up to two decimal places) ____________

Yeast converts glucose to ethanol and carbon dioxide by glycolysis as per the following reaction: $$C_6H_{12}O_6 \to 2C_2H_5OH + 2CO_2$$Assuming complete conversion, the ...

gatecse

1.4k points

gatecse asked Feb 20, 2018

0 votes

0 answers

5

GATE2018-47
In a chemostat, the feed flow rate and culture volume are $100$ ml/h and $1.0$ L, respectively. With glucose as substrate, the values of $\mu_{\text{max}}$ and $K_s$ are $0.2 \: h^{-1}$ and $1 \: g/L$, respectively. For a glucose concentration of $10 \: g/L$ in the feed, the effluent substrate concentration (in $g/L$) is _______

In a chemostat, the feed flow rate and culture volume are $100$ ml/h and $1.0$ L, respectively. With glucose as substrate, the values of $\mu_{\text{max}}$ and $K_s$ are ...

gatecse

1.4k points

gatecse asked Feb 20, 2018

0 votes

0 answers

6

GATE2018-35
Which of the following are true with regard to anaerobic respiration in bacteria? The final electron acceptor is an inorganic substance other than molecular oxygen The number of ATP molecules produced per glucose molecule is more than that produced in aerobic respiration The number of ATP ... phosphorylation is used to generate ATP P and S only Q and S only P and R only P, Q and S only

Which of the following are true with regard to anaerobic respiration in bacteria?The final electron acceptor is an inorganic substance other than molecular oxygenThe numb...

gatecse

1.4k points

gatecse asked Feb 20, 2018

0 votes

0 answers

7

GATE2018-6
Which of the following components constitute a molecular mechanics force field? Bond stretching Bond angle bending Torsional bond rotation Non-bonded interactions P and Q only P, Q and R only P, Q and S only P, Q, R and S

Which of the following components constitute a molecular mechanics force field?Bond stretchingBond angle bendingTorsional bond rotationNon-bonded interactionsP and Q only...

gatecse

1.4k points

gatecse asked Feb 20, 2018