Deletion of which gene not only was accompanied by the abolition of antibiotic formation but also severely impaired growth on agar media.

#Question id: 1543

#SCPH05 I Biotechnology

Effector  cytokines of TH 1 cells?

#Question id: 2729

#SCPH05 I Biotechnology

Antibiotics such as Ciprofloxacin and Flouroquinolines work by inhibiting a specific enzyme. This enzyme is normally necessary to relieve the torsional strain that is caused by unwinding of the helix. What is the name of this enzyme?

#Question id: 6943

#SCPH01 Biochemistry

The portion of the blastoderm-stage embryo which will give rise to most ectodermal, mesodermal, and endodermal tissues is called the:

#Question id: 4743

#SCPH06 I Botany

Ectrodactyly is an autosomal dominant trait that causes missing middle fingers (lobster claw malformation). A grandfather and grandson both have ectrodactyly, but the intervening father has normal hands by x-ray. Which of the following terms applies to this family?

#Question id: 4728

#SCPH06 I Botany

The genotype r/r ; p/p gives fowl a single comb, R/– ; P/– gives a walnut comb, r/r ; P/– gives a pea comb, and R/– ; p/p gives a rose comb. Which of the following parental genotype would produce 3/8 Walnut comb, 1/8 pea comb, 3/8 rose comb and, 1/8 single comb?