Carcinogens can be classified into two categories: 

1. Direct-acting carcinogens

2. Indirect-acting carcinogens

TLS Online TPP Program

#Id: 346

#Unit 1. Molecules and their Interaction Relevant to Biology

Pyruvate Carboxylase

a mitochondrial enzyme that requires the coenzyme biotin, converts the pyruvate to oxaloacetate

TLS Online TPP Program

#Id: 5866

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 2091

#Unit 8. Inheritance Biology

Duplication- is a mutation in which part of the chromosome has been doubled.

TLS Online TPP Program

#Id: 9745

#Unit 6. System Physiology – Plant

According to Optimal Defense Hypothesis, 

Young tissues not only contain the highest levels of constitutive secondary compounds, they are also more responsive to herbivory. Thus, younger leaves exhibit more robust inducible defenses to herbivores than older leaves.

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#Id: 2010

#Unit 8. Inheritance Biology

Backcross Cross between an F1 individual and one of the parental (P) genotypes.