Answer:
The most basic function of the cell cycle is to accurately copy a large amount of DNA in the chromosomes and then precisely separate the copies into two genetically identical daughter cells.
Explanation:
Transgenic organisms are those that have had their genomes altered by external means. These organisms are found in applications of genetic engineering, but they are only useful if the inserted gene is expressed in the organism.
An example of a transgenic organism may be a rat with the gene for hemoglobin from a rabbit. This rat is only useful if it indeed does produce rabbit hemoglobin in its blood due to the inserted gene.
Answer:
Cuando escucho hablar sobre la tabla periódica se viene a mi mente que es una forma de organizar todos los elementos que existen.
Explanation:
La tabla periódica tiene como fin organizar a la gran diversidad de elementos químicos que existen agrupándolos según sus propiedades. De esta forma, podemos ver que elementos tienen cualidades similares entre si y predecir como reaccionarían con otros elementos de la tabla periódica. En otras palabras, es una forma ordenada y simple de mostrar las características de cada elemento y articularlo con los demás según sus características.
Answer:
d.They are still very common ,but threatened with increasing harvesting for timber.
Explanation:
Brazil's Araucaria trees:
These trees are very soft and can be cut so easily.Brazilian pines is also know as Araucaria tree.
Before 1950's or 60's the number of trees were more but now due to harvesting the number of trees become less.The these trees are used for timber and for glue also.
In the present time the availability of these trees threatened with increasing harvesting for timber.
So the our option d is correct.