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 61 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
YES! Correct, THANKS for helping me on my review

cpetit11

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

six of the 20 amino acids six of the 20 amino acids
Representations of molecules Representations of molecules
the fatty acid molecules expose the smallest possible hydrophobic surface area the fatty acid molecules expose the smallest possible hydrophobic surface area
The values of Φ and Ψ for all the amino acid The values of Φ and Ψ for all the amino acid
Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
Commercially made peanut butter doesn’t have any detectable levels of trans fatty acids Commercially made peanut butter doesn’t have any detectable levels of trans fatty acids
Video: The Lac Operon in E. Coli

For a complete list of videos, visit our video library