The molar ratio of sodium acetate to acetic acid in a buffer solution with a pH OF 5.76 is 10:1. Assuming the total buffer concentration is 2.2 X 10^-2 mol/L, how many grams of sodium acetate (m.w. 82) and how many grams of acetic acid (m.w. 60) should be used in preparing a litre of the solution?

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#Question id: 7296

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

some of the following statements regarding to this experiment are given below. Which of the following statements is incorrect?

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#Question id: 5739

#SCPH06 I Botany

Polyploid plants found in nature usually have even numbers of chromosomes because organisms having odd numbers

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#Question id: 18007

#SCPH28 | Zoology

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;

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#Question id: 4324

#SCPH05 I Biotechnology

The functioning of enhancers is an example of

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#Question id: 17076

#SCPH06 I Botany

The various advantages of serum-free media could be

1. Improved reproducibility of results from different laboratories

2. Easier downstream processing of products from cultured cells

3. Biassays are free from interference due to serum proteins

4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures

Which of the statements are true?