A protein subunit from an enzyme is part of a research study and needs to be characterized. A total of 0. 170 g of this subunit was dissolved in enough water to produce 2. 00 ml of solution. At 28 ∘c the osmotic pressure produced by the solution was 0. 138 atm. What is the molar mass of the protein?.

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Match each fossil with the layer where it’ll be present based on those conditions.

Find the number if 3.7% of it is 37% of 37.