Answer:
La oscuridad de una mancha solar es solamente un efecto de contraste; si pudiéramos ver una mancha tipo, con una umbra del tamaño de la Tierra, aislada y a la misma distancia que el Sol, brillaría unas 50 veces más que la Luna llena. Las manchas están relativamente inmóviles con respecto a la fotosfera y participan de la rotación solar. El área de la superficie solar cubierta por las manchas se mide en términos de millonésimas de hemisferio solar visible.
Answer:
Elastase.
Explanation:
Collagen, keratin, and elastin are fibrilar proteins.
Elastin is a globular protein, actually an enzyme, that breaks down proteins, such as elastin. It is a protease. In humans, there are eight different genes for the production of elastase. Elastase also has an important immunological role
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A <u>Genetic cross</u> shows the possible outcomes, genotypes and phenotypes of offspring from two parents, and usually shown using a Punett Square.
Explanation:
A genetic cross is the resultant progeny that carries the genetic trait of each parent and obtained by crossbreeding of two organisms by mating them.
The two types of genetic crosses are – monohybrid (a single trait from each parent is crossed) and dihybrid (two traits are crossed) cross.
The organisms which are crossed can be with either be heterozygous (Rr) or homozygous (rr) alleles representing a trait; traits are either dominant (R) or recessive (r); the combination of genes for a particular trait results in a genotype (Rr); the resultant physical feature formed from the genotype is the phenotype.
The resultant crosses which can be obtained with the possible genotype and phenotypes are evaluated based on probability equations on the likelihood of possible specific offsprings to be formed due to the crossbreeding and according to the laws of genetics and Mendelian Inheritance. The results of the crossing are visually represented using a Punnet Square. The Punnet Square tabulates and summarizes all resultant probabilities from all possible combinations of maternal and paternal alleles.
Plant cells have cell walls but animal cells don't. That's one of the things that make their structures different.
