Answer:
<h2>A</h2><h2>C</h2><h2>D</h2><h2>F</h2>
<h3 /><h3>Hope it helps you </h3>
The inactive X is called also as Barr body. It stains much darker than the other chromosomes because of the fact that it is inactive. By being inactive it means that the chromatin of that chromosome is very compact because it is not used for gene expression. Being so compact, all the staining is concentrated creating a darker body.
Answer:
The best example of this is ‘Pavlov’s dog’; classical conditioning is sometimes referred to as Pavlovian conditioning.
A honey bee's proboscis extension reflex - the bee extends its proboscis as a reflex to antennal stimulation.
Photosynthesis produce 02 (oxygen)