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TLS Online TPP Program

#Question id: 9216

Which of the following criteria have to be met for a species to qualify as invasive?

#SCPH06 I Botany
  1. endemic to the area, spreads rapidly, and displaces foreign species
  2. introduced to a new area, spreads rapidly, and displaces native species
  3. introduced to a new area, spreads rapidly, and displaces other invasive species
  4. endemic to the area, spreads slowly, and displaces native specie
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TLS Online TPP Program

#Question id: 544

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

One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency, when the enzyme may lack zinc, it would be referred to as the:
TLS Online TPP Program

#Question id: 10517

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

plant–insect herbivore interactions releases three types of hormone including—
TLS Online TPP Program

#Question id: 15477

#SCPH01 Biochemistry

Why these metabolites are manufactured by microbial fermentation rather than chemical synthesis 
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#Question id: 5214

#SCPH28 | Zoology

What is the most probable explanation for the continued presence of pseudogenes in a genome such as our own?
TLS Online TPP Program

#Question id: 3635

#SCPH12 I Genetics

In the multiple allele series that determines coat color in rabbits, c+codes for agouti, cch for chinchilla and ch for Himalayan. Dominance is in the order c+>cch>ch. In a cross of c+/cch X cch/ch, what proportion of progeny will be chinchilla?