Answer:
O silicon (Si)
Explanation:
-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.
It would be Glucose, because simple carbohydrates are sugars, and glucose is just another name for sugar.
Some examples of simple carbs are,
<span>-raw sugar,
-brown sugar,
-corn syrup and high-fructose corn syrup,
-glucose, fructose, and sucrose,
and
<span>-fruit juice concentrate.</span></span>
There are three ways in which exogenous dna can be
introduced into a bacterial genome. These are; transduction, transformation and
conjugation. Transduction is the introduction of exogenous material into bacteria
by viruses; conjugation is exchange of genetic material between bacteria sexual
through reproduction; while transformation
is uptake of exogenous dna by bacteria, from its surrounding, through the
bacterial membrane.
The fact that the rattlesnakes had no apparent limbs shows the kind of events that occurred during their evolutionary period. Snakes originated from reptiles, which had four limbs, but as time goes on during evolution, the limbs in the rattlesnakes becomes highly reduced and eventually they lose this feature that is found in other reptiles.
