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Doss [256]
3 years ago
11

Three nucleotide bases in mRNA, that specifies (codes for) a particular amino acid is called a(n)

Biology
1 answer:
zimovet [89]3 years ago
7 0

Answer:

The answer is a codon. A codon is in a mRNA while an anti-codon is in a tRNA.

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Which one of these statements about cell division is not accurate?
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d. this is one part of the cell cycle.

Explanation:

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What is the name of the Island chain that Darwin explored off the coast of South America?
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the Galapagos

While visiting the Galapagos in 1835, British naturalist Charles Darwin observed local plants and animals.

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2 years ago
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For both actin and microtubule polymerization, nucleotide hydrolysis is important for ______. Group of answer choices promoting
jarptica [38.1K]

Answer:

For both actin and microtubule polymerization, nucleotide hydrolysis is important for decreasing the binding strength between subunits on filaments.

Explanation:

Cytoskeletal filaments are common to eucaryotic cells and are impotartant to the spatial organization of cells. Intermediate filaments provide mechanical strength and resistance to shear stress. Microtubules determine the positions of membrane-enclosed organelles and direct intracellular transport. Actin filaments determine the shape of the cell's surface and are necessary for whole-cell locomotion. A large number of accessory proteins are present that link the filaments to other cell components, as well as to each other. Accessory proteins are essential for the assembly of the cytoskeletal filaments in particular locations, and it includes the motor proteins that either move organelles along the filaments or move the filaments themselves.

Actin filaments and microtubules are assembled with expenditure of energy i.e the ATP/GTP tightly bound to actin/tubulin is irreversibly hydrolyzed to ADP/GTP during the assembly process, and liberation of Pi in the medium occurs subsequent to the incorporation of subunits in the polymer. Pi release acts as a switch, causing the destabilization of protein-protein interactions in the polymer, therefore regulating the dynamics of these fibres. The progress is made in four areas: the chemistry of the NTPase reaction; the structure of the intermediates in nucleotide hydrolysis and the nature of the conformational switch; the regulation of parameters involved in dynamic instability of microtubules; and the possible involvement of nucleotide hydrolysis in the macroscopic organization of these polymers in highly concentrated solutions, compared with the simple case of a equilibrium polymers.  

4 0
3 years ago
Cuadro sobre las barreras de la inmunidad
amm1812

El sistema inmune innato se compone principalmente de barreras físicas, como la piel y las membranas mucosas, barreras químicas, a través de la acción de péptidos antimicrobianos y especies reactivas de oxígeno [4], células inmunes innatas y mediadores solubles como el sistema del complemento, anticuerpos innatos

Explanation:

7 0
3 years ago
If you were to observe the activity of methylated dna, you would expect it to _____.
stiv31 [10]

If you observe the activity of methylated DNA, you would expect the change in the activity of DNA molecule.

<h3>What is the activity of methylated DNA?</h3>

DNA methylation is a process by which methyl is added to the DNA molecule which can change the activity of a DNA without changing the sequence. When it is located in a gene promoter, DNA methylation acts to repress gene transcription.

So we can conclude that If you observe the activity of methylated DNA, you would expect the change in the activity of DNA molecule.

Learn more about DNA here: brainly.com/question/1328358

#SPJ1

5 0
2 years ago
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