subject
Biology, 10.06.2021 22:30 warnene17

Cientistas encontraram compostos de ferro, cianeto e monóxido de carbono em meteoritos que bombardearam a Terra durante sua formação, o que pode fornecer pistas sobre a origem da vida no planeta. Essa composição assemelha-se à hidrogenase, enzima que quebra o hidrogênio: “É possível que esses complexos de cianeto, ferro e monóxido de carbono tenham sido precursores para as ações das enzimas e depois incorporados a proteínas”, acredita Karen Smith, pesquisadora sênior de Boise. Adaptado de: Redação Galileu, 27/06/2019. Disponível em: <https://revistagalileu. globo. com/Ciencia/Espaco/noticia/2019/06/ venenoem-meteoritos-fornece-pistas- sobre-origem-da-vida-na-terra. html>. Acesso em: 12 jun. 2019. Em relação às teorias de origem da vida no planeta Terra, é correto afirmar que: * (a) a notícia reforça a possibilidade da vinda de seres vivos de outros planetas, tal como postulado por Pasteur em 1860.

(b) a teoria da biogênese argumenta que os primeiros seres vivos surgiram a partir da matéria inanimada.

(c) os primeiros seres vivos que surgiram na Terra foram os coacervatos, formados por um agregado de moléculas inorgânicas.

(d) a teoria da geração espontânea sustenta que os seres vivos surgiram a partir de moléculas orgânicas da atmosfera primitiva.

(e) os experimentos de Redi com pedaços de carne, no século XVII, corroboram a teoria da biogênese.​

ansver
Answers: 1

Another question on Biology

question
Biology, 21.06.2019 18:00
1. the passing of is the basis of heredity. 2. our encode the instructions that define our traits. 3. each of us has thousands of genes, which are made of and reside in our chromosomes. 4. in addition to our genes, the we live in also define our traits. 5. humans have two complete sets of chromosomes. 6. when parents conceive a child, each parent contributes set of chromosomes. 7. every child receives of its chromosomes from the mother and half from the father. 8. this transfer takes place at when the father’s sperm joins the mother’s egg. 9. while most cells in our bodies have two sets of chromosomes, or a total of egg and sperm each have chromosomes. 10. when egg and sperm unite they create a single cell called a 11. each parent contributes complete set of chromosomes to their child. 12. since the parents contribute the chromosomes to each new child, every child inherits a unique set of chromosomes. 13. as a result, every baby will have a combination of traits.
Answers: 1
question
Biology, 21.06.2019 22:00
The instructions for making proteins come originally from
Answers: 1
question
Biology, 22.06.2019 05:20
When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen
Answers: 2
question
Biology, 22.06.2019 16:00
Why were the results whit just water so much different than the trials with the detergent ?
Answers: 3
You know the right answer?
Cientistas encontraram compostos de ferro, cianeto e monóxido de carbono em meteoritos que bombardea...
Questions
question
Medicine, 16.07.2021 19:50
question
Mathematics, 16.07.2021 19:50
question
Mathematics, 16.07.2021 19:50
Questions on the website: 13722367