Biology Questions, Problems & Solutions : TransWikia.com ~ Page 18

How to calculate percentage of DNA that ancestors contributed?

In David Reich's book "Who we are and how we got here" there is a graph explaining that more we go back in our ancestors generations, the least we have...

Asked on 08/22/2021 by DevAb

1 answer

Are prions a recent biological phenomenon?

Is there evidence to suggest whether prions have existed for a large portion of evolutionary history, played a role in evolutionary history, or could they actually be a recent biological...

Asked on 08/22/2021

2 answer

What is the energy required for storing and performing computations in synthetic computational biological cells?

I want to know the energy costs of various computations performed through synthetic biological circuits in terms of ATP. I am primarily interested in storing of bits, addition, and multiplication...

Asked on 08/22/2021 by Userhanu

2 answer

What is the primary cause of death for small animals in urban and suburban areas?

Small birds (sparrows, robins, jays, finches) and mammals (squirrels, rats, opossums, raccoons) are a common sight in many urban and suburban communities with green space. However, I observe carcasses of...

Asked on 08/22/2021 by GnomeSort

3 answer

Why is sheep erythrocyte lysis considered as classical complement activation pathway, and rabbit as alternative one?

Any suggestions are highly appreciated....

Asked on 08/22/2021 by starkid

2 answer

Why are organs not harvested from deceased cancer patients?

From my understanding, cancer is not contagious, and if a cancerous cell from a patient is introduced to a healthy person, then the immune system of the latter can destroy...

Asked on 08/22/2021

2 answer

Can we develop a virus which is amicable for us but deadly for SARS-CoV-2 and HIV?

I am not biologist and do not have special education in it etc.It is know that in the wild, some species have their deadly enemies.What I am suggesting...

Asked on 08/22/2021 by Almas

2 answer

Is this a termite wing or flying ant wing

I saw this on the bottom corner of my pantry in the Washington DC area. I can't tell whether is termite wing or something else. The wing is 3/4" long....

Asked on 08/22/2021

1 answer

Y chromosome changing sex ratios

Fisher's principle explains why sex ratios in most sexually reproducing species is approximately $1:1$. However, given that in humans and many other animals, males and females differ genetically, it...

Asked on 08/22/2021

1 answer

How do we know that selective agonists are indeed selective?

Suppose we know that compound X is a selective agonist of receptor Y, meaning that it binds only this receptor Y and no other. But how do we know this...

Asked on 08/22/2021 by bastak

1 answer

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