The carbon cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
Option (B) single-celled organisms, and multicelled organisms are the correct answer.
Protists represent an important evolutionary step between single-celled organisms and multi-celled organisms.
<h3>
What are Protists?</h3>
- Protists are eukaryotes because they have a nucleus and other organelles that are attached to membranes.
- Protists have a distinctive central compartment termed the nucleus, which is shared by all eukaryotic cells and contains their genetic material.
- Organelles, specialized pieces of cellular machinery, carry out specific tasks within the cell.
- Plastids are found in photosynthetic protists like numerous kinds of algae.
- Protists' DNA resembles that of cyanobacteria.
- Cyanobacteria are single-celled organisms, whereas algae are multi-celled organisms.
We can infer from this debate that protists are a crucial evolutionary step between single-celled organisms and multi-celled organisms as they share many characteristics with both cyanobacteria and algae.
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Answer:
What changes does each instrument measure?
b: tiltmeter
Explanation:
Tiltmeter measures vertical movement. Creep meter measures horizontal movement.
Answer:
The correct answer is a and e.
Explanation:
Translation is the process by which mRNA is translated into proteins. It occurs in both prokaryotes and eukaryotes. In prokaryotes, transcription and translation occur simultaneously while in eukaryotes translation is a separate process occurs in the cytoplasm after transcription.
The first amino acid incorporated in the polypeptide is methionine in eukaryotes and formyl methionine in prokaryotes. After protein synthesis in both eukaryotes in prokaryotes, post-translational takes place like glycosylation, acetylation, alkylation, etc.
Post translation is important for proteins to provide them heterogeneity and functional activity. Thus, the correct answer is a. the first methionine in eukaryotic translation contains a formyl group and e. many eukaryotic proteins are chemically modified after translation, which is a much rarer phenomenon in prokaryotes.