Answer:
Atoms are composed of particles called protons, electrons and neutrons. Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge at all.
Explanation:
There is no absolute reason as to how they survive besides organisms learning to adapt. In order to live in a polluted environment the animals have to survive and learn to adapt.
En resumen, para que se defina y aborde de manera operativa, el "gen mendeliano" requiere una diferencia de fenotipo asociada con una diferencia de genotipo, mientras que el "gen molecular" requiere transcripción.Answer:
Explanation:
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The correct answer choice is D. Production of ethanol
Answer:
Walking
Explanation:
A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c
Muscles are flexible fibers that are very essential appendages for locomotion in human beings.
For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.