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Ede4ka [16]
4 years ago
11

A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best describes how th

e cell could be classified?
Biology
2 answers:
Aleksandr-060686 [28]4 years ago
7 0
The cell is prokaryotic because it contains mitochondria
likoan [24]4 years ago
3 0
The cell is prokaryotic because it contains mitochondria.
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DNA polymerase has multiple mechanisms for editing and error correction whereas the capacity for error correction in RNA polymer
BigorU [14]

The given question is incomplete as the option are not provided however, the correct options are as follows:

Defective proteins are often degraded quickly, making their effects temporary.

Single amino acid substitutions caused by errors in mRNA transcription would not affect protein function.

Unlike DNA mutations, mRNA transcripts have short half-lives and are not inherited across many generations.

Degradation of defective proteins activates mRNA repair pathways RNA polymerases synthesize many transcripts per gene, so only a small fraction of RNA transcripts would have errors.

ch mRNA molecule is only translated once and then degraded

Answer:

The correct answer is - statements 1, 3, and 4.

Explanation:

DNA polymerase is the enzyme that is responsible for the production of the new DNA molecule and any mutation in this enzyme that will inhibit the DNA repair process which affects future generations.

RNA polymerase is an enzyme that is responsible for the transcription of DNA to mRNA and any error-prone mRNAs have chances of degradation. Error in DNA replication is from generation to generation as it is inherited

The process of transcription is quick.

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3 years ago
Please help me! <br> how can invasive species change an ecosystem?
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Answer:

by introducing an invasive species it can drastically change the ecosystem. let's say you have the manatee, it has no natural predators, if you add an invasive species that eats manatees it may cause other things to start eating them too. this would cause the population to dwindle until there are few to none left because the invasive species population will go unchecked because nothing is accustom to eating them

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Explain why it is important to monitor ecosystems over long periods of time?
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Answer:

Biodiversity monitoring is important because it provides a basis for evaluating the integrity of ecosystems, their responses to disturbances, and the success of actions taken to conserve or recover biodiversity.

Monitoring keeps us informed, helps us to maintain our health, and alerts us to future problems that may arise. Monitoring ecosystems is similar to monitoring human health. ... Ecosystem monitoring means measuring physical, chemical, and/or biological variables over time to provide information on ecosystem change.

Explanation:

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I just started this survey i got to number 5 and i have no idea how to do it.​
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