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TLS Online TPP Program

#Question id: 933

Industrially, nitrogen for use in fertilizers is converted to ammonia by ________.

#XL - Q Biochemistry

  1. a simple, energy efficient reaction of N2 with water

  2. a cryogenic (very low temperature) process between N2 and H2

  3. special catalysts which drive the reduction of N2 by H2

  4. a reaction between nitric acid and hydrogen gas

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TLS Online TPP Program

#Question id: 31425

#XL - S Microbiology

In E.coli, the bd branch of the electron transport chain is utilized under__
TLS Online TPP Program

#Question id: 31426

#XL - S Microbiology

What distinguishes the second lag phase from the first in a diauxic growth curve?
TLS Online TPP Program

#Question id: 31427

#XL - S Microbiology

If the number of bacteria in a culture doubles every 30 minutes, how many bacteria will be present after 3 hours if the initial count is 50?
TLS Online TPP Program

#Question id: 31428

#XL - S Microbiology

If a bacterial species has a generation time of 20 minutes, how many generations will occur in 2 hours?
TLS Online TPP Program

#Question id: 31429

#XL - S Microbiology

In denitrification, nitrite (NO₂⁻) is reduced to which of the following products?
TLS Online TPP Program

#Question id: 31430

#XL - S Microbiology

Which of the following bacteria can grow in the presence of oxygen?