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06/21/19

Are the words biology and Ecology ever interchangeable?

I often hear people use the word "Ecology" when i think they mean "biology." This got me wondering: are the words ever interchangeable, or are these people really just that frequently using the... more

Significance of lipids in biological membranes...?

Membranes are specifically designed by lipids to maintain internal hydrophilic environment in narrow range.There are hydrophobic amino acids among naturally occurring 20 amino acids and as well as... more

06/20/19

Speed=20km/h time=2minutes distance=?

This is the class 9th question from the ncert book Chapter name is the m9tion

i don't understand please help

The following table shows the speed of sound in four different materials. one is gas, two are liquids, and one is solid. which one is the solid? Material A B C D Speed of sound... more

03/15/19

Why do cells vary in shape and function when they have the same genome and the same organelles?

Why do cells vary in shape and function when they have the same genome and the same organelles. For example: why do all cells have nuclei but red blood cell's don't; why can't the cells of a eye... more

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