Which of the following is the first activated intermediate in the bacterial sulfur assimilation pathway?

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#Question id: 3639

#XL - S Microbiology

Replication of a bacterial chromosome normally starts at a fixed point called:

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#Question id: 11079

#XL - T Zoology

The diffusing capacity of a gas is the volume of gas that will diffuse through a membrane each minute for a pressure difference of 1 mm Hg. Which of the following gases is often used to estimate the oxygen diffusing capacity of the lungs?

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#Question id: 3887

#XL - Q Biochemistry

Aptamers are

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#Question id: 4180

#XL - T Zoology

The anticodon of tRNAala can bind to three different codons for alanine (GCU, GCC and GCA) because

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#Question id: 20187

#XL - P Chemistry

The energy of the first electron in helium will be