Biology Questions, Problems & Solutions : TransWikia.com ~ Page 44

Quantifying Gene Expression

I have found that many studies use the mRNA concentration as a “proxy” for protein activity because there should be correlation between mRNA levels and proteins expression levels. How is...

Asked on 04/25/2021

1 answer

How can normalizing selection (stabilizing selection) be involved in speciation?

In Mayr's book What Evolution Is, he discusses about normalizing selection in rapidly evolving lineages."However, normalizing selection is equally active in rapidly evolvinglineages."What is meant by...

Asked on 04/25/2021 by M. Beausoleil

0 answer

Osmosis and hydrostatic pressure

I'm confused about the role of hydrostatic pressure compared to osmotic pressure. Q1:If I have a U-tube with a membrane permeable only to water molecules and equal volumes of...

Asked on 04/25/2021 by Alara

1 answer

Can plasmodial slime molds be infected by virus?

According to the definition, plasmodial slime mold consist of a "single cell" with thousands of nuclei. How would such a unique type of cell response to viral...

Asked on 04/25/2021

0 answer

What is the size (diameter) of the SARS-CoV-2 virus?

You can easily find a lot of pictures of the SARS-CoV-2 virus. But although it should be trivial for an electron microscope to measure the size, I am...

Asked on 04/24/2021

1 answer

Why do people with type O blood have anti-A and anti-B antibodies?

People with type O blood have anti-A and anti-B antibodies, even without receiving a transfusion. Why?...

Asked on 04/24/2021 by hrithu v

2 answer

Examining antibody - target interactions in PyMOL

I'm a student currently looking at antibody responses against a viral target protein of interest. I have my own, annotated PyMOL session of my protein and I also have...

Asked on 04/24/2021 by alekoj

1 answer

Are there any photosynthetic catalysts in use other than chlorophyll?

When I search for catalysts other than chlorophyll on Google, I only get references to artificial photosynthesis. When I look up photosynthesis, I see accessory pigments mentioned, but it appears...

Asked on 04/23/2021 by MackTuesday

2 answer

Which fish did modern tetrapods descend from?

Did modern tetrapods descend from Tiktaalik or Ichthyostega? While I understand that in terms of all tetrapods, the lineages of Tiktaalik and Ichthyostega both would be included, but I want...

Asked on 04/22/2021 by Satyajit Sen

3 answer

How much of the Neanderthal genome is living on in humans?

I've understand that outside of African, most ethnic groups carry some (4% or less) Neanderthal DNA. So en masse, across all living humans, what percentage of the original Neanderthal...

Asked on 04/22/2021 by user22655

1 answer

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