This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is true according to the hypothesis on chemical evolution? A) Early living ... (Read 70 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
Which of the following is true according to the hypothesis on chemical evolution?
 
  A) Early living things reproduced by linking and breaking apart at random.
  B) Reproducing molecules did not originate on Earth but instead arrived from space.
  C) Somewhere in the oceans, after sufficient time, a molecule formed that could copy itself.
  D) Due to the effect of ultraviolet radiation, complex organic molecules that were living were formed.

Question 2

Which of the following serves as the cell's basic structural molecules or as enzymes that control chemical reactions?
 
  A) Lipids
  B) Proteins
  C) Carbohydrates
  D) Vitamins



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

debra928

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

C

Answer to Question 2

B





 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

For a complete list of videos, visit our video library