Explanation:
In all living system we can always find basic elements carbon, oxygen, nitrogen and hydrogen, carbon is the basic building unit contained in living matter. The percentage of carbon in the mass of living matter is 19.0% oxygen and hydrogen are present in almost all organic compound which creates living organisms.
B. trna molicules check the amino acid for errors
Answer:
B 20 amino acids, hundreds of proteins
Explanation:
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The savanna is very dry and desert like. Grasslands get precipitation and have tons of grass, hence the name grasslands.
Answer:
Objects able to block all the light are called opaque and will form a shadow. ... The closer an object is to the light source, the larger the shadow it casts. This is because an object closer to the source will block a larger area of the light, increasing its shadow size.
Explanation:
