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eduard
2 years ago
12

Account for movement in metazoan​

Biology
1 answer:
Oliga [24]2 years ago
3 0

Answer:

They are able to move water through their bodies through the coordinated beating of flagellated cells that line their pores.

Explanation:

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How does the brain primarily interpet the strength of a stimulas in the nervous system
Valentin [98]

Answer:

The brain primarily interpret the strength of a stimulus in the nervous system based on the frequency of the action potential. This answer has been confirmed as correct and helpful.

ФωФ  ∪ω∪

5 0
3 years ago
The ion primarily responsible for depolarization in pacemaker cells is ______________, whereas the ion primarily responsible for
snow_lady [41]
1. Calcium
2. Sodium

Hope this helps! :)
5 0
3 years ago
Summarize the key factors DNA polymerase requires to replicate DNA.
vaieri [72.5K]

Answer:

Explanation:

DNA polymerase is an enzyme that helps in the synthesis of new strands of DNA. It is found in both prokaryote and eukaryotes. In prokaryotes, there are 3 types of DNA polymerase and more DNA polymerase found in eukaryotes.  

The 3 types of DNA polymerase are DNA polymerase I, DNA polymerase II, DNA polymerase III.  The DNA pol I and DNA pol II helps in DNA repair rather than DNA replication. The DNA pol III is the major enzyme that initiates the replication.  

DNA polymerase III is a multisubunit enzyme that functions as a dimer of these multiple subunits. The DNA polymerase enzyme has 3 significant enzymatic activities -  

All DNA polymerase direct the synthesis of DNA from 3' to 5' end.

It possesses 3' to 5' exonuclease activity. It also helps in proofreading activity by replacing the incorrect nucleotides with the correct base sequence.  

Some DNA polymerase has a 5' to 3' exonuclease activity. It is found in the lagging strand.

DNA polymerase is not able to initiate DNA synthesis alone. They need a free 3' end, where the enzyme can add new nucleotides. It means they require 2 primers to initiate the DNA replication in both the direction.  

The strands act as complementary to the DNA polymerase. The DNA polymerase adds new strands continuously in 5' to 3' direction in the leading strand. While in lagging strand short fragments of DNA formed. Later they attached by DNA ligase.

DNA polymerase also needs RNA polymerase in some cases to start replication. Such a process is called reverse transcription.

7 0
3 years ago
Whats are the pros and cons of a endoskeleton?
Softa [21]

Well, an endoskeleton is an internal skeleton, like humans have. Pro: Bones do not get broke as easily, since they are inside of the body. Bones that break also heal more quickly in an endoskeleton, since they have tissue and blood surrounding it and transferring nutrients. Con: The flesh can get easily damaged. There is no shedding with endoskeletons, so a new skeleton cannot be grown in the event of an injury.

7 0
3 years ago
Humans conduct _____.
IrinaK [193]

Hello

Humans conduct internal fertilisation.

Thanks

5 0
3 years ago
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