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Biology : Recent Questions and Answers (Page 55)

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

Function of amatoxins

There are a couple of papers and "lots" of anectodal evidence which imply that mushroom hunting does not have any adverse effects on the fungi, neither short nor long term....

Asked on 03/02/2021 by tst

0 answer

Why doesn't blood remain on a mosquito's proboscis in quantities that could spread blood-borne diseases?

We know that HIV can't be transmitted by mosquitos, and nor can other highly virulent viruses that are transmitted through blood and bodily fluid exchanges, such as Ebola (thankfully!)....

Asked on 03/02/2021 by user56reinstatemonica8

2 answer

Cell-autonomous viral defense involving oxidative burst?

I'm looking for a mechanism by which a cell detects a virus (probably a retrovirus) within itself, then triggers an oxidative burst in response. This should all happen within the...

Asked on 03/01/2021 by John Wentworth

1 answer

Transgenic plants with multiple genes?

I have in mind, as a hypothetical project, to generate a transgenic plant capable of synthesizing vitamin B12. This could be consumed by vegans, for instance, as an alternative...

Asked on 03/01/2021

0 answer

Why is this Cuscuta compacta purple?

I was recently browsing the web and came across this site abut the compact dodder. https://gobotany.nativeplanttrust.org/species/cuscuta/compacta/ The...

Asked on 02/28/2021

1 answer

What kind of spider is this? First time I have ever seen one

This was taken 07/06/19 in Cape Breton, NS, Canada. I would say that it is about an inch (2.5 cm) in length and seemed to...

Asked on 02/27/2021 by 3mmk4y

1 answer

Concept of mean systemic filling pressure

Mean circulatory filling pressure (MCFP) in humans was defined by Guyton as "the pressure that would be measured at all points in the entiere circulatory system if the heart were...

Asked on 02/27/2021 by user47679

1 answer

What is a function-triggering antibody?

I am reading a journal paper on the effect of a neural cell adhesion molecule on neuronal development and in the abstract of this paper I have...

Asked on 02/26/2021

2 answer

Why does the intelligence of an animal correlate with the brain to body mass ratio more closely than to the mass of the brain itself?

It seems counterintuitive that a large animal with a large brain is likely to be less intelligent than a small animal with a medium size brain. It would make more...

Asked on 02/26/2021

0 answer

Do whales ever just hang out on the surface breathing?

You only ever hear of whales surfacing for a brief second to exhale/inhale before they dive back down. But do they ever just stay at surface level, laying there with...

Asked on 02/25/2021 by o01

1 answer

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