<span>L-amino acids and D-sugars are part of every protein.
All proteins are made up of them.
The fact that all biological systems use L-amino acids and D-sugars is linked with the idea that certain groups of organisms come from a common ancestor because. The reason is that if the common ancestors used L-amino acids and D-sugars, than its offsprings use them as well.
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True. In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
Answer is A. 430 as the speed of sound in water is 1498 m/s but the question has taken an approximate of 1400 m/s
The number of neutrons
and the mass number
Yes. <span>But if you look closely, they are still not exactly the same. They will always have some physical differences due to differences in their environment. Some </span>identical twins can<span> have </span>different heights<span> and weights. This is because </span>height<span> and weight are controlled by what you eat as well your DNA.</span>
