An open system in which the growth rate is maintained by the removal and addition of media at such a rate as to maintain a constant cell density is called a 

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#Question id: 1662

#SCPH01 Biochemistry

What is the approximate number of D segment genes in the immunoglobulin heavy chain gene locus?

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#Question id: 1788

#SCPH05 I Biotechnology

What is the major factor regulating the adaptive immune response?

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#Question id: 3275

#SCPH06 I Botany

When imbalances occur in the sex ratio of sexual species that have two sexes (that is, other than a 50:50 ratio), the members of the minority sex often receive a greater proportion of care and resources from parents than do the offspring of the majority sex. This is most clearly an example of ________.

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#Question id: 588

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

The initial velocity of an enzyme reaction (v0) describes

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#Question id: 952

#SCPH06 I Botany

If an amino acid is glucogenic, it will not be degraded to ________.