Answer:
Bonded to meteorites that hit the Earth
Explanation:
The<u> origin of water on Earth</u> is being linked to the existence of very old meteorites that have been found on Earth. The<em> "Carbonaceous chondrites," </em>which are meteorites, have a similar content to that of seawater. Its<u><em> isotope levels</em></u> for hydrogen and nitrogen are similar with <em>Earth's seawater</em>. They're believed to have come from the outer asteroid belt and later on delivered water to Earth after collision.
La teoría de la evolución de Lamarck se basa en la capacidad de los organismos para cambiar físicamente debido a las adaptaciones en su entorno para garantizar su supervivencia. Esto es evidente en la propagación de los determinantes de resistencia a los antibióticos entre las bacterias. La capacidad de las bacterias para desarrollar nuevos mecanismos de resistencia para sobrevivir a los antibióticos radica en su capacidad para adquirir genes que los ayuden a este respecto a través de la transferencia horizontal de genes y la adquisición de plásmidos. Mecanismos como bombas de eflujo y plásmidos les ayudan a sobrevivir en medio de antibióticos. Transmiten estos materiales genéticos a sus descendientes, lo que garantiza que continúen sobreviviendo y no se extingan a pesar de la presencia de antibióticos.
El dawrnismo claramente reclama la selección natural. Por lo tanto, si un organismo no evoluciona o adquiere características especiales para ayudarlo a adaptarse, competir y sobrevivir en su entorno, se extingue. Solo aquellos que adquieren estas habilidades sobreviven y se reproducen en el medio ambiente.
Answer:
X linked dominant disorders are caused when the genes on the X chromosomes gets mutated. X linked dominant disorders phenotype is observed in each generation and males experience more severe symptoms of disorder as compared to a female.
In X linked recessive disorder one copy of affected X gene is sufficient to cause the disease in males. In case of females both the X gene are required to be effected for causing disease.
Explanation:
X linked dominant disorders are caused when the genes on the X chromosomes gets mutated. X linked dominant disorders phenotype is observed in each generation and males experience more severe symptoms of disorder as compared to a female. This disorder is never transmitted to male child by the father or in other way we can say that there is no male to male transmission. For example Fragile X syndrome
In X linked recessive disorder one copy of affected X gene is sufficient to cause the disease in males. In case of females both the X gene are required to be effected for causing disease. Males are more affected by this disorder as compared to females. For example - hemophilia
. This disorder is never transmitted to male child by the father just like the X linked dominant disorder or in other way we can say that there is no male to male transmission.
Answer:
the many classes of large biological molecules the many ways that monomers of each class of biological molecule can be combined into polymers
