A purified hydrolytic enzyme (Mr 150 000) is available with the description: Gives a Vmax of 3 200 units/mg protein under optimal conditions. How many micromoles of substrate can be hydrolysed by 1 mg of protein in 1 minute  

#Question id: 10509

#Section 6: Plant, Animal and Microbial Biotechnology

A different type of mechanical obstacle to herbivory is provided by mineral crystals that are present in many plant species, such as silica crystals known as

#Question id: 10510

#Section 6: Plant, Animal and Microbial Biotechnology

Constitutive chemical defenses are effective against many different herbivores, including insects and mammals. Hemlock (Cicuta sp.) produces which toxins that a polyacetylene prolongs the repolarization of neuronal action potentials.

#Question id: 10511

#Section 6: Plant, Animal and Microbial Biotechnology

Which type of pumps inhibits digitoxin in the membranes of heart cells, leading to increased myocardial contraction?

#Question id: 10512

#Section 6: Plant, Animal and Microbial Biotechnology

Members of the Poaceae family, which includes all of the cereal crops, use benzoxazinoids alkaloids are derived from,

#Question id: 10513

#Section 6: Plant, Animal and Microbial Biotechnology

Which of the following major cyanogenic glycosides are derived from the Cassava?

#Question id: 10514

#Section 6: Plant, Animal and Microbial Biotechnology

Volicitin was identified as the active substance in the form of