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Biology : Recent Questions and Answers (Page 42)

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

Why does vacuum sealing of foods prevent spoilage from anaerobic bacteria?

I have noted that many purchased food items in containers only require refrigeration after they have been opened, thus eliminating the vacuum seal. Air contains bacteria and fungus spores...

Asked on 05/03/2021 by Ed Kideys

2 answer

What gaseous substances do humans emit?

Other than CO₂ and Methane what other gases do humans produce or emit? For example, does skin decomposition, or aerobic respiration emit any special gases that people don't normally...

Asked on 05/03/2021

4 answer

neural genes expressed in nasopharyngeal specimens

Is it possible in a nasopharyngeal specimen genes of neural system to be expressed? For example, genes about neural differentiation?...

Asked on 05/03/2021

1 answer

How does HIV know to attack specific immune system cells?

I'm no biologist, but curious of the answer to which I could not find online. How are Human Immunodeficiency viruses able to detect and distinguish immune system cells with a...

Asked on 05/03/2021 by Lewis

1 answer

What is the rate of bacterial cell death due to viruses on land?

"The rate of viral infection in the oceans stands at 1 × 10^23 infections per second, and these infections remove 20–40% of all bacterial cells each day." - ...

Asked on 05/02/2021 by ete

0 answer

What are the environmental conditions for larval Haemonchus contortus to survive?

What is known about the environmental limits for Haemonchus contortus to survive outside of a host organism in its larval stages? I'm interested in knowing:temperature tolerance levelspreferred humidity levelspH tolerancehow...

Asked on 05/02/2021 by Jean-Paul Calderone

1 answer

What happens to Mean systemic pressure during the start of aerobic exercise?

Hi this was one of the answers to a MCQ I had to do (it said it would decrease 2 times in the first 10 seconds of a run). I...

Asked on 05/02/2021 by Fazal Syed

0 answer

Is viral single-stranded RNA in the absence of reverse transcriptase infectious?

In a medical microbiology textbook I'm reading (Murray et al, 1994), the authors state the following:The retrovirus genome has a 5' cap and is polyadenylated at the 3' end. Although...

Asked on 05/01/2021 by Howsikan

2 answer

Help with gene linkage and mapping!

Here's an interesting question I've been trying to figure out: My annotations...

Asked on 05/01/2021

2 answer

What's the name of this green fruit with little pikes fallen from a city tree on the pavement?

What's the name of this green fruit with little pikes fallen from a tree on Paris (France) pavement ? ...

Asked on 04/29/2021 by DevonDahon

1 answer

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