Which statement correctly describes the role of hormones in gene expression? A. Hormones are internal environmental factors that can influence the expression of genes.

B. Hormones are external environmental factors that can influence the expression of genes.

C. Hormones are external environmental factors that cause genes to express in an unregulated process.

D. Hormones are internal environmental factors that cause genes to express in an unregulated process.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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b is dominant over the allele for the white fur.

if the hares very faster than they are now, and thus the lynx's hunting success rate drops because it will be harder to catch them, the rate that will change will be the pray-rate. the pray-rate will change because more hares will be able to survive, thus more individuals for reproduction, so the end result will be increasing population of hares.

the predator-rate will remain pretty much the same because there will be more than enough pray, but the hunting success rate is stagnant.