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TLS Online TPP Program
#Question id: 2074
#SCPH05 I Biotechnology
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:
TLS Online TPP Program
#Question id: 15478
#I Life Science/ Life Sciences Group – I-V
Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as
TLS Online TPP Program
#Question id: 15214
#SCPH06 I Botany
Gels of 15% polyacrylamide are useful for separating proteins in the range Mr = 100,000 to 10,000, while a 7.5% gel are used to separate
TLS Online TPP Program
#Question id: 3009
#SCPH28 | Zoology
Endospores are
TLS Online TPP Program
#Question id: 4807
#SCPH12 I Genetics
Three incompletely link marker gene was found. There is a marker A gene present in middle. Cross between aaBBcc X AAbbCC to produce heterozygous were allowed test cross, which of the following test cross offspring should be least frequent?