The phosphate transport system in bacteria imports phosphate into the cell even when the concentration of phosphate outside the cell is much lower than the cytoplasmic phosphate concentration. Phosphate import depends on a pH gradient across the membrane—more acidic outside the cell than inside the cell. In this bacterial cell, phosphate transport is an example of:

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#Question id: 13052

#SCPH28 | Zoology

What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?

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#Question id: 66

#SCPH06 I Botany

Which of the following statements regarding isomerism is incorrect regarding biomolecules?

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#Question id: 5325

#SCPH06 I Botany

Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess concentration of chloride in sweat. A normal man whose sister has cystic fibrosis, his normal wife whose brother has cystic fibrosis. What is chance of cystic fibrosis in their child?

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#Question id: 3530

#SCPH28 | Zoology

Mendel’s law of segregation, as applied to the behavior of chromosomes in meiosis, means that:

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#Question id: 344

#SCPH05 I Biotechnology

The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called?