síntesis de una proteína
usando la información genética del RNA
es una zona rica en adeninas y timinas que presenta la secuencia de seis nucleótidos TATAAT, y es el componente esencial de los promotores de los genes en las bacterias. Es una secuencia consenso, esto es, exhibe la secuencia de bases del ADN más frecuente en los promotores bacterianos.
secuencia de tres bases en una
molécula de tRNA que se aparea con un
codón durante la síntesis proteica.
codón que indica el
final de una proteína.
enzima que
cataliza la unión de un aminoácido con
su tRNA
proteínas que se encuentran en procariontes como subunidades de la ARN polimerasa. Le permiten reconocer las secuencias promotoras del ADN para iniciar la transcripción.
uno de los 22 monómeros
diferentes que forman las proteínas; su
composición química contiene un grupo
carboxílico, un grupo amino y un radical
característico en el carbono alfa.
molécula de
RNA que contiene la información
genética que codifica uno o más
polipéptidos.
proteína que ayuda a otras proteínas
a plegarse o volver a plegarse a partir de
un estado parcialmente desnaturalizado.
Down
partícula citoplasmática
compuesta por RNA ribosómico y
proteínas y cuya función es sintetizar
proteínas.
pequeña
molécula de RNA que se utiliza en la
traducción. Posee un anticodón en un
extremo y tiene el aminoácido
correspondiente unido al otro extremo.
codón especial,
normalmente UAG, que indica el inicio
de una proteína.
síntesis de RNA usando el
DNA como molde.
Constituyen un método de terminación de la transcripción alternativo al habitual, en zonas sin señales de terminación.
tipos
de RNA encontrados en el
ribosoma; algunos participan
activamente en el proceso de
la síntesis proteica.
secuencia de tres bases en el
mRNA que codifica un aminoácido.
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