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aliya0001 [1]
3 years ago
7

How N-formylmethionine (fMet) is only associated with the 5' AUG initiation codon and not with internal AUG codons, given that m

ethionine in both cases in encoded by an AUG in the mRNA.
Biology
1 answer:
KonstantinChe [14]3 years ago
4 0

Answer:

Different transfer RNAs (tRNAs) selectively bind to N-terminal and internal AUG codons of bacterial polypeptides .

Explanation:

In prokaryotic organisms, N-formylmethionine (fMet) is coded by the start codon (AUG), thereby generating the most N-terminal residue of bacterial proteins. This residue (fMet) is a modified methionine amino acid that contains attached a formyl group to its amino group. Remarkably, it has been shown that formylmethionyl-tRNA only can bind to this initial AUG codon, while methionyl-tRNA binds to internal AUG codons.

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A mutation is made once in every __________________ nucleotide copied.
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Fetal lung maturity can be determined from amniotic fluid because the surfactant is PRIMARILY composed of:
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3 years ago
Una carga de 50 N unida a un resorte que cuelga verticalmente estira el resorte 5cm. El resorte se coloca ahora horizontalmente
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Answer:

-110 N

Explanation:

Una carga de 50 N unida a un resorte que cuelga verticalmente estira el resorte 5cm. El resorte se coloca ahora horizontalmente sobre una masa y se estira 11cm. ¿Qué fuerza se requiere para estirar ese resorte en esa cantidad?

Solution:

La constante de resorte (k) es la relación entre la fuerza (F) y la extensión (d) como resultado de la fuerza aplicada, por lo tanto:

k = F / d

Dado que F = 50 N, d = 5 cm = 0.05 m. Por eso:

k = F / d = 50 N / 0.05 = 1000 N / m

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El signo negativo significa que el objeto se tira hacia el resorte.

8 0
3 years ago
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