Author Question: Why is RNA thought to have preceded DNA in evolution? What will be an ideal ... (Read 73 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
Why is RNA thought to have preceded DNA in evolution?
 
  What will be an ideal response?

Question 2

The Mediterranean climate is only found in five areas of the world.
 
  Indicate whether the statement is true or false



ong527

  • Sr. Member
  • ****
  • Posts: 285
Answer to Question 1

RNA is thought to have come first because, unlike DNA, RNA exhibits some catalytic activity and therefore simpler RNA molecules might have been able to self-replicate. Thus, the possibility exists that RNA could have evolved and functioned without the assistance of the enzymes it creates.

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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