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artcher [175]
2 years ago
7

What are the alternate energy sources that are starting to replace the use of coal in the U.S.?

Biology
2 answers:
Alexxx [7]2 years ago
7 0

Answer:

Wind and solar power!

Explanation:

morpeh [17]2 years ago
3 0
Because if we use too much coal we are wasting fossil fuels and burning coal hurts the environment so the alternative energy sources provide clean energy
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TRUE OR FALSE - Volcanic eruptions and asteroid impacts can alter Earth's climate for years.
Trava [24]
True, major events like a super volcano's or asteroid strikes can send tons of ash dust and debris into the stratosphere and cause global cooling. <span />
4 0
3 years ago
Hitchhiker's thumb (H) is dominant to no hitchhiker's thumb (h). A woman who does not have hitchhiker's thumb marries a man who
Papessa [141]

Answer:

I'm assuming that the woman could have Hh or HH since they don't specify

If the woman has HH, all the children will not have a hitchhiker's thumb

if the woman has Hh the offspring could have either Hh, Hh, or hh

pls make me brainliest :) thx

5 0
3 years ago
Need a hypothesis for “How are proteins built from RNA”
Dima020 [189]

Hi!


Hypothesis:

<em>Proteins are built from the translation of messenger RNA (mRNA) molecules</em>


RNA, or ribonucleic acid, is a structure that is similar to DNA, except that it exists as a single strand, consists of a ribose sugar instead of a deoxyribose sugar and has the base uracil (U) instead of thyamine (T).


<h3><u>From DNA to RNA</u></h3>

RNA is generated through transcription of the DNA molecule, resulting in a <em>complementary </em>molecule of the template DNA strand. For instance, if the sequence of the DNA was:

ATGCGCAGTTATTGCGAT

The corresponding RNA sequence will be:

UACGCGUCAAUAACGCUA    <em>(complementary with U instead of T)</em>


<h3><u>From RNA to Protein</u></h3>

The RNA molecule in our case is known as the mRNA. After transcription the mRNA molecule is transported to the cytoplasm, where a ribosome binds to it for another molecule to translate the sequence. This translation is mediated by an RNA molecule known as the tRNA molecule which enters the ribosome to catalyze the reaction.

These molecules identify a sequence of 3 bases (codon) and for specific codon sequences, the tRNA allocates specific amino acid. For instance, for the codon <em>UCA</em>, the tRNA will allocate a <em>Serine residue.</em>

This translation process starts at specific three base sequences, known as start codons, and terminates at specific three base sequences known as stop codons.

In this manner, a sequence of amino acids respective to the mRNA codon sequence is synthesized, and as we identify proteins as chains of amino acids that are covalently linked together through peptide bonds, we can clearly see that proteins are built directly from RNA, and indirectly from DNA.


Hope this helps!


3 0
3 years ago
Biology &amp; Behavior: Evolution &amp; Genetics<br> Why people behave the way they do?
xxTIMURxx [149]

People behave the way they do because of situation as well as genetics.

<h3>Why people behave the way they do?</h3>

People behave as they do in response to the way they are treated by other people as well as in response to situation. In their behaviour, they have also a genetic factor that influence their behaviour.

So we can conclude that people behave the way they do because of situation as well as genetics.

Learn more about behaviour here: brainly.com/question/1741474

#SPJ1

6 0
2 years ago
Compare how ectotherms and endothermic maintain body temperature
shepuryov [24]

Answer: Ectotherms depend on external heat sources. Their body temperature changes with the temperature of the environment. Endotherms generated heat internally to maintain body temperature.

Explanation:

4 0
2 years ago
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