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Biology : Recent Questions and Answers (Page 5)

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

Are there any pathogenic archaeans?

Most textbooks seems to restrict pathogens to the domains bacteria and eukarya. Are there any pathogenic archaeans?...

Asked on 11/19/2021

2 answer

Monozygotic vs Dizygotic heteropaternal superfecundation

Update: I had a wrong assumption.After triple checking, I now see that how ordinary monozygotic twins arise is 1 sperm and 1 ovum and then later the zygote splits up.(1.1....

Asked on 11/19/2021

1 answer

How did sulfasalazine become a disease-modifying treatment for rheumatoid arthritis?

Sulfasalazine has been around for about fifty years, starting as an antibiotic. More recently it is used as a disease-modifying anti-rheumatic drug (DMARD, see...

Asked on 11/17/2021

1 answer

How did the "serendipitous rediscovery" of Sulfasalazine as an antirheumatic agent after 30 years happen?

This excellent answer describes the history of the ~50 year old drug Sulfasalazine, and it's worthwhile to take a moment and read through the answer now. Roughly speaking the...

Asked on 11/17/2021

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 11/15/2021

2 answer

What is the word for a group of genes inherited together?

I know the words haplotype and haplogroup, as well as genetic linkage, but... I recently came across a new phrase describing genes which tend to be inherited as a group,...

Asked on 11/15/2021

1 answer

flavivirus virus genome, methylated guanine

I'm looking at the sequence of a flavivirus virus genome (mRNA). Kindly see the link MH900227.1. How can I identify the Guanine nucleotide that is methylated in...

Asked on 11/13/2021

2 answer

What author citation and abbreviation does (would) a monarch or a crown prince get after publishing a new taxon name?

Even though taxonomic rules appear to be silent about this (I've checked ICN Art. 46 and ICZN Art. 51), author citations, as well as abbreviations, are usually based on a...

Asked on 11/13/2021

1 answer

Book recommendation: protocols and recipes handbook for molecular biology / biochemistry

I'm a 5th-year PhD student in chemical biology. I've mostly been doing computational work, so my bench skills are rusty. To help me, I'd like a handbook of common techniques...

Asked on 11/13/2021

3 answer

Why are some vegetables/fruits seasonal?

How does the mango tree perceive the summer season, so tree starts producing the fruits? Every tree requires sunlight to grow but what limits the production of fruits to...

Asked on 11/11/2021

1 answer

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