Define commensalism?

271

What factors can change the pKa value of an amino acid residue, and in which direction?

2606

What type of chemical compounds do plants produce during photosynthesis?

2077

Describe Transfection of fibroblasts?

1830

what are the steps involved in the calibration of HPLC

2689

Concerning enzymatic reactions how different, are the graphic curve of the variation of the speed of a reaction as function of substrate concentration and the curve of variation of the speed of a reaction as function of temperature?

1106

What is the difference between xylem and phloem?

1129

1 Briefly describe your ideal job: 2. What goals do you have in your career? 3. How do you plan to achieve these goals?

2367

Why is it hard to keep genetically modified (GM) crops separate from non-GM crops throughout the manufacturing process?

2322

what is the difference between cell proliferation and cytotoxicity kits?

2020

In mice colored coat is dominant to albinism. Sniffles, a male mouse with a colored coat is mated to Esmeralda, an alluring albino. The resulting litter of six young all had colored fur. The next time around Esmeralda was mated with Whiskers, who was the same color as Sniffles; some of this litter were white. a)What are the probable genotypes of Sniffles, Esmeralda, and Whiskers? b) If a male of the 1st litterwas mated to a colored female of the 2nd litter, what phenotypic ratio might be expected among the offspring? c)What would be the expected results if a male of the 1st litter was mated to an albino from the 2nd?

3407

Explain why is it important to be familiar with the laboratory apparatus and their uses?

944

What is the way followed by the energy absorbed by plants to be used in photosynthesis?

898

What are twins? Genetically what are the two types of twins that can be generated?

5

what is the general life cycle of metazoans?

2212