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Biology : Recent Questions and Answers (Page 25)

Find answers to your questions about Biology or help others by answering their Biology questions.

How many hairs per sq. cm. (or inch) do hamsters have on average?

How many hairs per square centimeter (or inch) do common pet hamsters (Mesocricetus auratus or Phodopus sungorus) have on average? I thought this would be easy to find by googling,...

Asked on 07/21/2021 by Enivid

1 answer

Why there is Cp/Ct (crossing point) value for negative sample in COVID-19 RT-PCR?

I am from IT/ Engineering background and have some confusion in RT-PCR. So far my understanding we extract RNA from test specimens and transcribed it into complementary DNA (cDNA), and...

Asked on 07/21/2021 by alex3465

2 answer

Have orcas ever been observed to be eaten by another species?

Orcas are well known to prey on just about everything that lives in the ocean, even including great white sharks. Yet in a lot of cases I know that the...

Asked on 07/20/2021 by user2352714

0 answer

Polymerase Cycle Assembly (PCA) is not working (Only primrs in EF Gel)

Helllo All ?! I am working trying to assemble dsDNA fragments (for further golden gate domestication) via polymerase cycle assembly (PCA). After designing the required oligonucleotides with overlap regions. (Image...

Asked on 07/19/2021 by fmjorge99

1 answer

If excess sodium is bad for humans, why don't our bodies just remove it?

This is one of those questions where I realized two everyday facts don't connect for me. Excessive sodium in the diet is supposed to be bad for us. But surely...

Asked on 07/19/2021 by adam.baker

0 answer

Population Genetics Using WGS: How do I know when I have enough individuals?

I am having a difficult time finding information about a minimum threshold for number of individuals to use in wgs pop gen analyses. Are there software or formulas/theory available to...

Asked on 07/18/2021 by Apis_delorean

1 answer

Can a constitutively active kinase be highly regulated?

I am studying the protein kinase GSK3 and I am learning about the regulation of its activity. Many journal papers that I have read have stated that GSK3 is unique...

Asked on 07/17/2021

1 answer

How come the role of the Apis mellifera is determined by nutrition rather than chromosomes?

Prior to making my question I browsed on similiar question such as this one but it doesn't specifically addressed my doubt in the sense that it is related with...

Asked on 07/17/2021

0 answer

How do obligate carnivores not have nutrient deficiencies?

I know that if a human eats just meat without plants, they develop issues like scurvy. If my understanding of it is correct that there are nutrients not found in...

Asked on 07/17/2021 by Chickenpeep

2 answer

How does DNA encode high level features like animal behaviour and language?

We know there are complex features which animals supposed to develop based on their genes as opposed to learning from the environment and the collective, also sometimes being very specific...

Asked on 07/16/2021

1 answer

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