O colesterol é um esteroide que constitui um dos principais grupos de lipídios. Com relação a esse tipo particular de lipídio, é correto afirmar que: A) Na espécie humana, o excesso de colesterol aumenta a eficiência da passagem do sangue no interior dos vasos sanguíneos, acarretando a arteriosclerose.

D) Nas células vegetais, o excesso de colesterol diminui a eficiência dos processos de transpiração celular e da fotossíntese.

B) O colesterol participa da composição química das membranas das células animais e é precursor dos hormônios sexuais masculino (testosterona) e feminino (estrógeno).

C) O colesterol é encontrado em alimentos de origem tanto animal como vegetal (como por exemplo, manteigas, margarinas, óleos de soja, milho, etc.), uma vez que é derivado do metabolismo dos glicerídeos.

E) Atuam na impermeabilização de superfícies que sofrem com a desidratação.

In which text sample are the ideas organized most logically? a. a butterfly starts its life as an egg. the egg hatches to reveal a tiny caterpillar. the caterpillar eats a lot of leaves. it grows quickly, shedding its skin as it grows. this shedding takes place four or more times in a process known as molting. the caterpillar then forms a pupa or chrysalis. inside the chrysalis, the caterpillar slowly transforms into a beautiful butterfly. b. the molting process is characteristic of caterpillars. eventually the caterpillar grows into a beautiful butterfly. the caterpillar eats a lot of leaves, growing quickly. as a result, it becomes too big for its skin, and it has to shed its skin four or more times. the caterpillar hatches from the egg laid by a butterfly. c. a tiny caterpillar hatches from the egg. the egg is the starting point of a butterfly’s life. when it becomes a caterpillar, it eats a lot of leaves. it grows quickly, shedding its skin as it grows. this shedding takes place four or more times. this process is known as molting. the caterpillar then forms a pupa or chrysalis. then the caterpillar slowly transforms into a beautiful butterfly. d. the caterpillar forms a pupa or chrysalis. inside the chrysalis, the caterpillar slowly transforms into a beautiful butterfly. but where does the caterpillar appear from? a caterpillar hatches from an egg. the egg is the starting point of a butterfly’s life. when it becomes a caterpillar, it eats a lot of leaves. it grows quickly, shedding its skin as it grows. this shedding takes place four or more times in a process known as molting.