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Butoxors [25]
3 years ago
12

What are the chemical building blocks needed for life?

Biology
1 answer:
lidiya [134]3 years ago
6 0

Answer:

Of these, there are six main elements that are the fundamental building blocks of life. They are, in order of least to most common: sulfur, phosphorous, oxygen, nitrogen, carbon, and hydrogen.

Explanation:

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What most likely happened to stem cells grown on a hard, rigid surface?
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Stem cells grown on a hard, rigid surface are biased into differentiating into a bone cell lineage.  



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7 0
3 years ago
Can someone answer this pls??
Lunna [17]

Answer:

75% brown, 25% white

Explanation:

This question involves a single gene coding for color in chickens. The allele for brown color (B) is dominant over the allele for white color (b).

According to this question, a brown rooter with genotype 'BB' was crossed with a white hen (bb). The offsprings in the F1 generation will all possess the 'Bb' genotype and be brown colored. However, if these F1 offsprings are self-mated i.e Bb × Bb, the proportion of F2 offsprings will be 1BB, 2Bb, 1bb.

Since BB, Bb and Bb offsprings are Brown in color and bb is white in color, this means that the expected phenotypic appearance of the F2 offsprings will be:

¾ or 75% brown and ¼ or 25% white

8 0
3 years ago
The nucleus contains ______ and ______, giving it an overall _______ charge.
notka56 [123]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

The nucleus contains <u>protons</u> and <u>neutrons</u><u>,</u> giving it an overall <u>positive</u> charge.

6 0
2 years ago
do the sugars in the apple juice need to be broken down by your digestive system before they can be utilized as an energy for yo
never [62]
<span>I think the correct answer is no. The sugars in the apple juice do not need to be broken down before used as an energy source. The sugar in the said drink are mostly fructose which can be metabolized by the body for use. Hope this answers the question.</span>
5 0
3 years ago
Read 2 more answers
The chemical equation of photosynthesis includes 6O^2. What does the small number after the O represent?
Alex
The number of oxygen atoms in a molecule
8 0
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