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Murrr4er [49]
2 years ago
9

Site the photosynthesis that contain cholorplast

Biology
1 answer:
SVETLANKA909090 [29]2 years ago
6 0

Answer:

hi

Explanation:

hello hi hello hi hello

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Where do plants obtain the oxygen necessary to utilize foods?
lesya692 [45]
From the atmosphere
3 0
3 years ago
A fossil is found to have a 14c level of 67.0% compared to living organisms. how old is the fossil?
sp2606 [1]
The half-life  of carbon-14 is equal to 5730 years. The amount of substance with half-life h at any time t is equal to,
                       At = (Ao) x (1 - 0.5)^(t/h)
Substituting, 
                    At/Ao = 0.67 = 0.5^(t/5730)
The value of t from the equation is 3310.6 years. 
3 0
3 years ago
Arguably, the way prokaryotic operons are structured has evolutionary advantages. Based on our discussions in class, briefly des
Naddik [55]

Answer:

Advantage of gene expression in prokaryotes is it occurs faster than in eukaryotes because  transcription and translation occur simultaneously in the cytoplasm, and regulation occurs at the transcriptional level. Whereas disadvantage of gene expression in prokaryotes is that there is no post translational modification and low expression of genes.

Explanation:

Prokaryotic organisms are single-celled organisms that lack a cell nucleus, and their DNA therefore floats freely in the cell cytoplasm. To synthesize a protein, the processes of transcription and translation occur almost simultaneously. When the resulting protein is no longer needed, transcription stops. As a result, the primary method to control what type of protein and how much of each protein is expressed in a prokaryotic cell is the regulation of DNA transcription. All of the subsequent steps occur automatically. When more protein is required, more transcription occurs. Therefore, in prokaryotic cells, the control of gene expression is mostly at the transcriptional level. whereas in eukaryotes, the DNA is contained inside the cell’s nucleus and there it is transcribed into RNA. The newly synthesized RNA is then transported out of the nucleus into the cytoplasm, where ribosomes translate the RNA into protein. The processes of transcription and translation are physically separated by the nuclear membrane; transcription occurs only within the nucleus, and translation occurs only outside the nucleus in the cytoplasm.

6 0
3 years ago
What is the Stellar formation in sequential order?
eimsori [14]

But anyway, the solution to our problem, the answer to our question is that the stages of stellar evolution, in the correct order, are: a nebula followed by a protostar followed by a main sequence star followed by a red giant and then finally, a white dwarf.

3 0
2 years ago
A solution that has the same number of molecules as the cell is a ___ solution
kvv77 [185]

Answer:

Isotonic

Explanation:

A solution is isotonic to a cell if it has the same Concentration of dissolved particles as the cell. Water molecules move in and out of the cell at equal rate, so the cell size remains the same.

4 0
3 years ago
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