07/29/19

What is the effect of x-ray on a fractured bone?

Why does the olive tree produce a bitter tasting fruit?

What is the survival value for the olive tree to produce a bitter tasting fruit, even when it is ripened? I realize some fruits and berries are species specific, i.e., meant for specific animals... more

Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

The title is the question. If additional specificity is needed I will add clarification here.Are there any multicellular forms of life which exist without requiring the consumption (destruction) of... more

In plants why are potassium and nitrate ions absorbed faster than any others?

Quoting my A-level biology textbook: >$\\ce{K^+, NO3^-}$ are absorbed by plants faster than any other ions. Whereas, $\\ce{Ca^2+, SO4^2-}$ are absorbed with the slowest speed. What is the... more

Why is absorbance at 280 nm for protein solution going up when I measure repeatedly?

I have been measuring my protein solutions' concentrations by diluting them in water 20 fold with a final volume of 100 uL and then measuring the absorbances of these solutions in 96 well plates... more

Are all/most/any membranes comprised of lipids from the smooth ER?

I'm attending an introductory high school course to cell biology. Based on my understanding, lipids – the building blocks of membranes – are formed in the smooth ER. Are all/most/any membranes... more

What exactly makes bananas go brown?

I know that often oxidation processes are mentioned when referring to the color change from yellow to brown in bananas (specifically: those that you get everywhere in supermarkets, with no... more

Do aquatic plants have stomata?

I am wondering if aquatic plants have stomata or not. I know that non-aquatic plants have stomata to release water(transpiration) and oxygen, and to take in carbon dioxide. Do aquatic plants also... more

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