In some cells, there are many ion electrochemical gradients across the plasma membrane even though there are usually only one or two proton pumps present in the membrane. The gradients of the other ions are most likely accounted for by:

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#Question id: 3861

#SCPH28 | Zoology

_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.

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#Question id: 18671

#SCPH01 Biochemistry

larger fragments of DNA can be analysed by Agarose gel while shorter fragment 80 – 1000 nt can be analysed by using 

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#Question id: 3698

#SCPH28 | Zoology

In this diagram of the process of DNA replication at a replication fork, the strand labeled B is the:

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#Question id: 23247

#SCPH06 I Botany

In pyrosequencing which molecule is actually detected?

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#Question id: 1637

#I Life Science/ Life Sciences Group – I-V

Protective antibodies against infectious agents are often: