Completamos con la palabra correcta 2)el atomo es neutro porque la cantidad deen el núcleo y en la corteza son
3) los electrones se sitúan en los niveles y subniveles por
4) la región del átomo con mayor masa es
5)la partícula sub-atomica con carga negativas se denomina

hey, i believe your answer would be d. sugar ribose and the base uracil. i believe this is the answer, because rna consists of sugar ribose, adenine, guanine, cytosine, and uracil.

your first option is incorrect, because that's dna. where it consists of sugar deoxyribose, adenine, guanine, cytosine and thymine.

your second option is also incorrect, this is because sugar deoxyribose is in dna, and uracil is in rna. these two do not make sense together.

your third option being incorrect, because sugar ribose is in rna, but not the base of thymine. rna consists of uracil, not thymine.

lastly your fourth option being correct! this answer is correct, because both sugar ribose, and the base uracil are in rna! ~

answer is d. sugar ribose and the base uracil.

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

answer: b

coz red blood cells marrow and circulates the body for 120 days.