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

Author Question: The first molecules of RNA were probably made A) on the surfaces of clays or other minerals B) ... (Read 15 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Jul 27, 2018
The first molecules of RNA were probably made
 
  A) on the surfaces of clays or other minerals
  B) deep within the earth
  C) in the atmosphere
  D) in space and then transported to the Earth in meteorites

Question 2

If we say that a material is opaque to ultraviolet light, we mean that it
 
  A) absorbs ultraviolet light.
  B) emits ultraviolet light.
  C) transmits ultraviolet light.
  D) reflects ultraviolet light.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

swimkari

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


Mollykgkg

  • Member
  • Posts: 529
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

The nucleic acids DNA and RNA are made from chains of nucleotides. The nucleic acids DNA and RNA are made from chains of nucleotides.
Oxidation of Fe-bearing minerals gives rocks, soils rusty color. Oxidation of Fe-bearing minerals gives rocks, soils rusty color.
A healthy diet is made up of well-balanced nutrients. A healthy diet is made up of well-balanced nutrients.
A technician-made adapter used to test exhaust system back pressure. A technician-made adapter used to test exhaust system back pressure.
Minerals and Water Minerals and Water
Photosynthesis: How Glucose Is Made During photosynthesis, the leaves of green plants absorb Photosynthesis: How Glucose Is Made During photosynthesis, the leaves of green plants absorb
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library