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2 years ago

how is the mRNA altered once transcription is complete within eukaryotic cells (but before translation begins)

Biology

1 answer:

dem82 [27]2 years ago

5 0

Answer:it drops a protein

Explanation:

That is just what I was taught and what I remember

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There are 64 codons and 20 amino acids. which of the following is true.

arsen [322]

A: several different codons can specify the same amino acid.

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2 years ago

Escherichia coli belongs to the A) Proteobacteria. B) Gram-positive bacteria. C) Green sulfur bacteria. D) Spirochetes. E) Actin

satela [25.4K]

Escherichia belong to(A) PROTEOBACTERIA.

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2 years ago

Phenytoin blocks the opening of voltage-gated na channels in neurons. therefore, this action has its primary effects on which pa

dusya [7]

Numerous antiepileptic medications, such phenytoin, have been designed to block voltage-gated sodium channels (VGSC) in neuronal membrane. In addition, multiple toxins and pharmacological modulators work by attaching to various biophysical states of the VGSC to cause their effects. Depending on how modulatory agents act, some VGSC states are stabilized or destabilized, altering the channel's biophysical properties. The first anticonvulsant to successfully treat epileptic disorders without causing undesirable side effects such as brain drowsiness was phenytoin.

Phenytoin has been indicated to block high-frequency neuronal activity potentials from the inner vestibule of the pore, as demonstrated by electrophysiological research and site-directed mutation.

Frequency and voltage both affect phenytoin binding.

There are theories that phenytoin interferes with the late sodium current that sustains depolarizations in epilepsy by blocking non-inactivated channels.

To learn more about phenytoin click here

brainly.com/question/13386639

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1 year ago

Howard is constructing a model of the tree of life. Which strategy would most likely ensure that all of Earth's organisms are re

scZoUnD [109]

Answer:

The answer is A. Draw branches for the domains: Bacteria, Archaea and Eukarya

Explanation:

Three Domains of Life:

Bacteria, Archaea and eukarya are the three principal branches or domains of the tree of life that explains the evolutionary relationship between all living organisms.

The first two domains, bacteria and archaea comprise the prokaryotic unicellular organisms. The third domain, eukarya includes all eukaryotic organisms.

All other organisms have evolved from these three principal domains.

3 0

2 years ago

Give any two difference between digestive system in humans and digestive system in ruminants

Otrada [13]

Answer:

Hey mate......

Explanation:

This is ur answer.....

1. Ruminant stomachs have four compartments, and monogastric stomachs have only one compartment. Ruminants are able to digest grasses and other fibrous feeds better than animals with monogastric systems can.

 

2. The bacteria can digest fiber allowing the dairy cow to consume grass, forages, and fibrous by-product feeds that humans or monogastric animals cannot do effectively. The abomasum is the stomach compartment similar to the human stomach.

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6 0

2 years ago