An enzyme has a Vmax of 50 micromol product formed (minute x mg protein)-1 and a Km of 10 microM for the substrate. When a reaction mixture contains the enzyme and 5 microM substrate, which of the following percentages of the maximum velocity will be closest to the initial reaction rate?

TLS Online TPP Program

#Question id: 17810

#Unit 11. Evolution and Behavior

Triassic period of Mesozoic era has characteristics by___

TLS Online TPP Program

#Question id: 18006

#Unit 11. Evolution and Behavior

During which geological period origin, first forests; lands plants well established?

TLS Online TPP Program

#Question id: 18007

#Unit 11. Evolution and Behavior

The following geological eras mark the advent of important events in the history of earth- origin of first vertebrates armored fishes, origin of First reptiles, origin of first dinosaurs;

a) Triassic b) Pennsylvanian

c) Ordovician d) Cambrian

Identify the correct match of the events with the geological era;

TLS Online TPP Program

#Question id: 18072

#Unit 11. Evolution and Behavior

First invertebrates insects fossil appeared in which of the following geological ages?

a) Mesozoic b) Jurassic

c) Paleozoic d) Devonian

e) Permian f) Pennsylvanian

Which of the following combinations give the best answer?

TLS Online TPP Program

#Question id: 18073

#Unit 11. Evolution and Behavior

During which geological period was there an first definite evidence of land plants and algae dominant of many plants?

TLS Online TPP Program

#Question id: 18223

#Unit 11. Evolution and Behavior

The origin of indirect evidence of life, no recognizable fossils except bacteria (microfossils) was during which geological eras?