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Greeley [361]
3 years ago
9

Why do organisms need nitrogen

Biology
1 answer:
Reika [66]3 years ago
5 0
It is one of the essential elements to life
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Researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. The robo
Lady bird [3.3K]

Answer:

Tissue

Explanation:

A cell is a structure formed during the evolution which contained all the molecules and favourable conditions required to survive and therefore acts as the functional and structural unit of life.

In evolution, more than one cell aggregated together to form a structure which could perform much complex function than a single cell called tissue as they are programmed to perform the same function.

In the given question, since the heart cells worked together to cause movement in the robot therefore the cardiac cells formed cardiac tissue or heart.

Thus, the tissue is the correct answer.

4 0
3 years ago
Help
motikmotik
Facilitated diffusion of substances crossing the cell (plasma) membrane takes place with the help of proteins such as channel proteins and carrier proteins.
6 0
3 years ago
Justin is an 8-year-old boy who suffers from autism. He has been brought to Sasha, a behavioral therapist, by his mother for his
EleoNora [17]
C. Applied behavioral analysis

They are going to the doctor because of his behavior which means they will analyze and study it at the doctor then see what they can do from there or "apply" what they need to. 

Hope this helps! Would love brainliest trying to get to virtuoso thank you!
6 0
3 years ago
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What special structures are needed for green plants? A. chloroplasts and chlorophyll B. stems and roots C. cotyledon and embryo
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The answer will be A) because without chloroplast and chlorophyll the plants will not grow this will keep the plants to be alive 
4 0
3 years ago
PLZ HELP IM TAKING MY EXAM!! which of the following best explains the impact of mrna being double stranded before translation
Dimas [21]

Answer:

Impact of double-stranded mRNA before translation would inhibit the binding of tRNA to mRNA ti synthesize protein.

Explanation:

The mRNA is a molecule that, with the exception of viruses with double-stranded RNA, has only one chain. It is in charge of conducting to the ribosomes the sequence of nucleotides that makes possible the translation and the synthesis of proteins.

Once the ribosome translates the information of each codon of the mRNA, a transfer RNA (tRNA) molecule, with a complementary anticodon, provides the amino acid corresponding to the translated codon.

If the mRNA were double-stranded, the translation process would be altered, since binding of the tRNA with the amino acid it carries and mRNA codon would not be possible, as well as the protein synthesis.

4 0
3 years ago
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