This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following was an important source of prebiotic molecules (e.g., amino acids) on the ... (Read 74 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
Which of the following was an important source of prebiotic molecules (e.g., amino acids) on the early Earth?
 
  A) molecules produced on the surface by impacts
  B) molecules produced by chemical reactions near deep-sea ocean vents
  C) molecules transported to the surface by impacts
  D) all of these

Question 2

The process by which molecules escape from a liquid into the gas phase is called
 
  A) evaporation
  B) gasification
  C) sublimation
  D) condensation


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bimper21

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Yi-Chen

  • Member
  • Posts: 550
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

mRna codes For Amino acids mRna codes For Amino acids
Calcium Carbonate, an Important Carbon Sink Calcium Carbonate, an Important Carbon Sink
Anatomically modern humans left archaeological clues, including evidence of burials, which indicate Anatomically modern humans left archaeological clues, including evidence of burials, which indicate
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
Amino acids with hydroxyl or sulfur containing sidechain Amino acids with hydroxyl or sulfur containing sidechain
Making recombinant DNA molecules Making recombinant DNA molecules
Video: Conduction of action potentials

For a complete list of videos, visit our video library