the decision to translate  IgM versus IgD  heavy chains is made at the level of?

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#Question id: 7763

#SCPH28 | Zoology

Two major sources of mutation are radiation and reactive oxygen species (ROS).The reactive oxygen species hypothesis for aging postulates that 

1) Senescence results from the accumulation of DNA, lipid, and protein damage inflicted by ROS of mitochondrial origin; and

2) Mitochondria of long-lived species should produce high ROS than do mitochondria of short-lived species.

3) the capacity of mitochondria to consume ROS might distinguish long-lived species from short-lived species, rather than differences in ROS generation. 

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#Question id: 14342

#SCPH05 I Biotechnology

Which of the following system represents corresponding figure? 

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#Question id: 3551

#SCPH12 I Genetics

In angiosperm plant, assume that the male parent has an AA Bb genotype, and that the female parent has an aa BB genotype. What is genotype in endosperm nucleus, after reproduction between these two plants?

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#Question id: 18373

#SCPH05 I Biotechnology

Scientists engineered a bacterial strain of P. fluorescens which is able to degrade 2,4-dinitrotoluene. This bacteria also helps in 

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#Question id: 5248

#SCPH05 I Biotechnology

Which of the following is a description of generalized transduction?