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Lisa [10]
3 years ago
6

Need help asap question 4 - 20 points

Biology
1 answer:
Jlenok [28]3 years ago
6 0
The second one I think, I’m not to sure
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15. Describe how nuclear energy is used to create energy?
FinnZ [79.3K]
Nuclear energy originates from the splitting of uranium atoms!
a process called FISSION.

This generates heat to produce steam, which is used by a turbine generator to generate electricity. Because nuclear power plants do not burn fuel, they do not produce greenhouse gas emissions.
7 0
3 years ago
A mutation occurs in an original DNA template that changes the DNA, changes the RNA, but does not change the protein sequence. W
jonny [76]

Answer:

<h2>The changes that do not affect the function of a protein are called silent mutations.</h2>

Explanation:

As given here as a mutation occurs in an original DNA template that changes the DNA, by transcription this mutation passes into RNA and changes the RNA, but it does not change the protein sequence, it means that this mutation could be silent mutation.

Silent mutation is the mutation which cause the change of a base in that, after the mutation the codon codes for the same amino acid, or the amino acid which do no cause any change in the protein, hence these changes do not affect the function of a protein.

5 0
3 years ago
What do these four types of molecules have in common? A carbohydrates B proteins C lipids D nucleic acids
Luden [163]

Answer:

biological macro-molecules

Explanation:

4 0
4 years ago
Which type of tree with poisonous berries is often found in uk churchyards and has a starring role in the film "a monster calls"
Sliva [168]
It would be the yew tree.

Yew (Taxus baccata) is a typical tree of churchyards, where some are thought to be well beyond 1,000 years old. Poisonous yew trees were planted in churchyards by the farmers to make sure that their animals didn’t stray into them. "<span>They stop and sleep under the yew tree (the monster), but in the morning, the young woman is dead, having been murdered, and the shocked young prince is covered in blood."</span>
7 0
3 years ago
The outermost membrane of a euglenid chloroplast is thought to have been derived from what part of an original host cell that en
Gemiola [76]

The plasma membrane of the enveloped alga cell serves as the source of the apicoplast's second outermost membrane.

<h3>Where did all chloroplasts come from?</h3>

Chloroplasts were first established in eukaryotes through an endosymbiotic relationship with a cyanobacterium; they later spread through the evolution of eukaryotic hosts and the subsequent engulfment of eukaryotic algae by formerly nonphotosynthetic eukaryotes.

<h3>How did eukaryotic cells develop mitochondria and chloroplasts?</h3>

Chloroplasts and mitochondria most likely developed from engulfed bacteria that once existed as autonomous organisms. An aerobic bacterium was eventually swallowed by a eukaryotic cell, which later established an endosymbiotic bond with the host eukaryote and gradually transformed into a mitochondrion.

To know more about cell visit:-

brainly.com/question/3142913

#SPJ4

5 0
1 year ago
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