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Naddika [18.5K]
3 years ago
9

Which of the following codons code for threonine?

Biology
1 answer:
nordsb [41]3 years ago
3 0
The answer is C.... ACA
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¿Cual de los siguientes solutos que pueden estar presentes en el liquido extracelular es transportado de acuerdo al modelo de me
kolezko [41]

Complete question:

¿Cual de los siguientes solutos que pueden estar presentes en el liquido extracelular es transportado de acuerdo al modelo de mecanismo propuesto en la ilustracion?

A) Etanol.

B) Calcio.

C) Glucosa.

D) Estrógeno.

E) Oxígeno.

<em>Nota: La ilustración se encuentra como un archivo adjunto.</em>

Answer:

Ión Calcio y Estrógeno son transportados por proteinas canal a traves de la membrana.      

Explanation:

Durante el paso de sustancias al interior o exterior de la celula ocurren dos tipos de transportes. Transporte activo y pasivo. El primero requiere de energia ya que se produce en contra de un gradiente electroquímico. El segundo, por otra parte, no requiere de energía ya que sucede a favor del gradiente electroquimico.

  • El transporte activo es mediado por proteinas transportadoras que actúan como bombas transportadoras.
  • El transporte pasivo puede ocurrir por
  1. difusión simple a traves de la bicapa lipídica (sin ningunaproteina que medie su paso),
  2. difusión facilitada a traves de proteinas canales (estas proteinas tienen forma de poro hidrofílico y permiten el paso de sustancias de un lado al otro de la membrana celular sin sufrir modificaciones. Permiten el pasaje de iones actuando como canales ionicos y de hormonas o neurotransmisores),  
  3. o difusión facilitada a través de proteinas transportadoras o carriers (estas proteinas son altamente selectivas y sufren un cambio temporal en su conformación al hacer pasar una sustancia de un lado al otro de la membrana plasmatica).    

<em>La ilustración adjuntada muestra un ejemplo de </em><em>proteina de canal</em><em> facilitando el transporte de distintas sustancias.</em>

A) Etanol.  Transporte pasivo. Difusión simple a traves de la bicapa lipídica.    

B) Ion Calcio, Ca²⁺.  Transporte pasivo. Difusión facilitada a traves de proteina canal.

C) Glucosa.  Transporte pasivo. Difusión facilitada a traves de proteina transportadora o carrier.

D) Estrógeno.  Transporte pasivo. Difusión facilitada a traves de proteina canal.

E) Oxígeno. Transporte pasivo. Difusión simple a traves de la bicapa lipídica.          

7 0
3 years ago
Prader-Willi syndrome is a genetic disorder involving a partial deletion of chromosome 15q on the paternal chromosome. When both
Kay [80]

Answer:

genomic imprinting

Explanation:

Genomic imprinting is a mechanism for regulating gene expression that allows expression of only one of the parental alleles, although both alleles are functional. Unlike most genes in which expression is biallelic, genes that are subjected to this mechanism (imprinted genes) have monoalelic expression; By definition, in an imprinted loci, only one allele is active (maternal or paternal), and the inactive is epigenetically marked by histonic modification and / or methylation of cytosines.

Genomic imprinting can cause some disturbances, among them Prader-Willi syndrome, which is a genetic disorder that involves a partial deletion of chromosome 15q on the paternal chromosome.

3 0
3 years ago
Which physiological changes would the nurse anticipate after an amniotomy is performed?
Zina [86]
  • Progressive dilating and obliteration are the physiological changes  the nurse would anticipate after an amniotomy is performed.
  • The fetal head can press more forcefully against the cervix thanks to the artificial rupture of the membranes (amniotomy), which improves dilation and effacement.
  • As labor progresses, vaginal bleeding may become more severe. The fetal heart rate is not immediately impacted by amniotomy.
  • Because contractions typically intensify and become more frequent when the membranes are artificially ruptured, discomfort may worsen.
<h3>What is Amniotomy?</h3>
  • Artificial rupture of membranes (AROM), often known as amniotomy or simply "breaking the water," is the deliberate rupture of the amniotic sac by an obstetrician.
  • This treatment is frequently carried out during labor management and has a variety of indications.

Learn more about Amniotomy here:

brainly.com/question/9548953

#SPJ4

5 0
2 years ago
HURRY
Georgia [21]
Twenty two thousand so the answer is c
4 0
3 years ago
Read 2 more answers
Where are the chromosomes of most organisms located?
kaheart [24]
Enclosed within the nucleolus of the cell.
6 0
3 years ago
Read 2 more answers
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