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Starting with mRNA in the cytoplasm, how are polypeptides produced?

The mRNA binds to a ribosome at the start codon. (1) The ribosome has a space for a tRNA molecule with a three base anticodon to bind to the complementary codon on the mRNA.(2) The tRNA brings the specifi...

Answered by Alice T. • Biology tutor

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Lee el texto adaptado de El corazón helado de Almudena Grandes. Raquel, la protagonista de la novela, recuerda un evento significativo de su pasado. Responde a las preguntas en español.

(a) ¿De qué manera esa mañana fue diferente para Raquel? Raquel no tuvo que ir al colegio aquella mañana ya que el fallecimiento de Franco se consideró motivo de fiesta. (b) ¿Qué contradicción había en la...

Answered by Marta M. • Spanish tutor

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How does ATP contribute to energy requiring reactions?

ATP -> ADP + Pi (via ATP hydrolase)ATP hydrolysis as shown above can be coupled to energy requiring reactions in a cell. The Pi released can be used to phosphorylate another molecule in the reaction th...

Answered by Rob H. • Biology tutor

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Why do the boiling points of the hydrogen halides increase as you go down the group from HCl to HI?

That's a fantastic question. Here, we must consider two types of intermolecular forces as these are the attractive forces that affect the boiling point of a substance: van der Waals and permanent dipole p...

Answered by Amarpal S. • Chemistry tutor

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What would be the pH of a reaction between potassium oxide and water?

Potassium oxide is an ionic compound: K₂O Made up of ions K⁺ and O^2-When added to the water the oxide reacts to form a hydroxide compound.K₂O + H₂O =...

Answered by Alice M. • Chemistry tutor

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