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We know that during the crossing over of meiosis II, some portions of the paternal chromosome recombine with the maternal chromosome along the chiasmata. And the number of chiasmata...
Asked on 06/19/2021
1 answerAs we all know, aspirin doesn't actually thin the blood, as it has been explained to me, it makes it "slippery". Slippery blood doesn't stick to itself hence this helps...
Asked on 06/19/2021 by L.B.
2 answerNot all the female cheek cells show Barr Bodies when stained with Giemsa stain? Only 30 to 40% female cells show Barr Bodies. Why? Our Experiment: We washed mouth twice...
Asked on 06/19/2021 by Punarbasu Roy
2 answerIn several occasions I saw some seagulls standing still and pretend as if walking that is they hit the ground with their feet. It always happens on the soil and...
Asked on 06/18/2021
0 answerSince a frog has two atria and one ventricle, how does it separate oxygenated blood from deoxygenated blood when both are mixed in the ventricle? Or does a frog simply...
Asked on 06/18/2021 by Meta xylene
0 answerNADH and FADH2 redox reactions are built deep into our biochemistry. For example, pyridine nucleotides are involved in >500 enzymatic reactions. When we look at the...
Asked on 06/18/2021
1 answerIn several (political) discussions, I have been told that there are around 200 papers stating that the Hydroxychloroquine is successful in treating COVID-19...Is this statement true? How can we estimate...
Asked on 06/17/2021 by Stephane Rolland
1 answerAccording to my school biology textbook and also Wikipedia, hepatitis B is the only Hepatitis virus to possess partially double-stranded DNA.I found an image from ...
Asked on 06/17/2021
0 answerFrom what I have learnt, the mechanism of the beating of cilia is: movement of dynein towards the (-)-end i.e. towards the microtubule-organizing center (MTOC), causing the 2 pairs of...
Asked on 06/16/2021
0 answerIt is said that testosterone and cortisol are at their highest early in the morning, at 8 am, and lowest at night. What happens, though, if someone regularly goes to...
Asked on 06/16/2021 by JJrussel
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