Ttc is a chemical indicator in a culture media used for differentiating bacteria. suppose you need to create a 500 ml solution of a 1% ttc solution (the other 99% is water). all you have to measure this volume with is a microliter pipette. how many microliters of ttc solution should you measure?

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.