Matthew A.

05/10/19

How is RNAse contamination in RNA based experiments prevented?

Does anyone have any suggestions to prevent RNAse contamination when working with RNA?I tend to have issues with degradation regardless of whether I use DEPC treated / RNAse free water and filtered... more

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Biology Genetics Dna

04/19/19

What is the number of DNA strands per cell?

I wonder if each cell possess only one strand of DNA which according to my book is more than "7 feet" long(if uncoiled), then why does human has 46 chromosomes which are actually coiled chromatin... more

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Microbiology

04/14/19

Why aren't viruses in a biological kingdom like bacteria?

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Genetics

04/12/19

Does one parent transmit more DNA to the offspring than the other one?

Does one parent transmit more DNA to the offspring than the other one? Or do both parents always transmit the same amount of genetic material to their offspring? In other words, can a baby be... more

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Biology Genetics Meiosis

03/15/19

How is it possible for monosomies to occur?

I was taught in biology class that a cell dies if it doesn't have at least one copy of a chromosome "type". If this is the case, that means that:1. Zygotes without a copy of a specific chromosome... more

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