Which of the given reason is correct to minimize the repulsion in an α-helix

a) positively charged amino acids are often found near the amino terminus of the helical segment

b) negatively charged amino acids are often found near the amino terminus of the helical segment

c) positively charged amino acids are often found near the C-terminus of the helical segment.

d) negatively charged amino acids are often found near the C-terminus of the helical segment.

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#Question id: 2100

#Section 3: Genetics, Cellular and Molecular Biology

Cholesterol, bile acids, ergosterol, and stigmasterol share all the following common structural features except

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#Question id: 15648

#Section 4: Fundamentals of Biological Engineering

The main function of baffles in a bioreactor are

P. to prevent a vortex

Q. to increase aeration

R. to reduce interfacial area of oxygen transfer

S. to reduce aeration rate

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#Question id: 2134

#Section 2: General Biology

The type of motion least common in biological membranes is:

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#Question id: 19537

#Section 4: Fundamentals of Biological Engineering

The equation for aerobic production of acetic acid from ethanol is ____________

C2H5OH(ethanol) + O2(acetic acid) → CH3CO2H + H2O

Acetobacter aceti bacteria are added to vigorously-aerated medium containing 10 g l^-1 ethanol. After some time, the ethanol concentration is 2 g l^-1 and 7.5 g l^-1 acetic acid is produced. Calculate the Observed yield.

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#Question id: 14550

#Section 1: Engineering Mathematics

The series 1 - 2 + 3 - 4 + 5 - 6 + . . . . is