Biology Questions, Problems & Solutions : TransWikia.com ~ Page 10

How close is the U.S. to herd immunity, assuming long-term immunity?

Assuming:infection always results in death or immunity (unproven, but no evidence of repeat infections yet)official COVID-19-related death counts are accurate (142k at the time of this question)How close is the...

Asked on 10/22/2021

1 answer

types of cells in a pharyngeal specimen

I would like to ask what type of cells should someone expect in a pharyngeal smear, in a person, who is infected with a viral infection. Thank you a lot!...

Asked on 10/22/2021

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 10/22/2021

1 answer

is there a limit to how much humans can taste?

kind of a weird question, sorry, but i was wondering--is there a threshold at which our taste buds become overwhelmed? if i, say, put some supersweet compound in my mouth,...

Asked on 10/22/2021

1 answer

Absence of cytoplasmic Intermediate Filaments in Arthropods

Cytoplasmic intermediate filaments such as vimentins support the architecture of the cell and have been known to aid signaling processes. However, as in this article, it is...

Asked on 10/22/2021

1 answer

Why do some karyotype graphs contain 46 pairs of chromosomes?

The human genome consists of 23 pairs of chromosomes. Two copies of each pair connect to each other at the centromere. Normal karyotype graphs should look like this:...

Asked on 10/22/2021

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 10/22/2021

1 answer

TMB vs ECL for ELISA: which detection method is more sensitive?

I failed to find a comparison, does anyone know which ELISA detection method is more sensitive of these two: ECL, TMB? Many thanks!...

Asked on 10/22/2021 by Miko

1 answer

Activated carrier molecules and their relationship to enzymes

I am reading Molecular Biology of the Cell, and one thing I don't quite get is the difference between an enzyme and an activated carrier molecule. I...

Asked on 10/22/2021

1 answer

Can elephants smell when they have water in their trunks?

For humans, humans cannot smell when they have water stuck in their noses. However, I am wondering if elephants can smell scents when they have water in their trunks, as...

Asked on 10/05/2021 by user2147483647

3 answer

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