Which of the following processes would result from a mutation that deactivates a regulatory gene of a repressible operon in an E. coli cell?

#Question id: 10903

#SCPH06 I Botany

Materials translocated in the phloem, such as sucrose, amino acids, hormones and some inorganic ions. Some inorganic solutes that move in the phloem called mobile elements. In contrast, some are relatively immobile in the phloem.

A) Immobile elements

B) Mobile elements

i) potassium, magnesium, phosphate, and chloride

ii) caesium, zinc, magnesium and iron

iii) nitrate, calcium, sulfur, and iron

iv) potassium, calcium, cobalt and caesium

Which of the following are the correct match of mobile and immobile elements in the phloem?

#Question id: 10357

#SCPH05 I Biotechnology

Why the glutamine and glutamate will not be transported while  asparagine will prefer to be transported?

#Question id: 5212

#SCPH06 I Botany

Barbara McClintock, famous for discovering that genes could move within genomes, had her meticulous work ignored for nearly 4 decades, but eventually won the Nobel Prize. Why was her work so distrusted?

#Question id: 14357

#SCPH05 I Biotechnology

#Question id: 454

#SCPH05 I Biotechnology

Which statement is false about most metabolic pathways?