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 53 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?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

For a complete list of videos, visit our video library