« previous next »

Author Question: Which of the following provides some evidence that RNA probably evolved before D (Read 837 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jun 25, 2013
Which of the following provides some evidence that RNA probably evolved before DNA?
A) RNA polymerase uses DNA as a template.
B) RNA polymerase makes a single-stranded molecule.
C) RNA polymerase does not require localized unwinding of the DNA.
D) DNA polymerase uses primer, usually made of RNA.
E) DNA polymerase has proofreading function.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jun 27, 2013
It's D. Have a nice day!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Herbivores must overcome the wide variety of physical and chemical defences evolved by plants. Herbivores must overcome the wide variety of physical and chemical defences evolved by plants.
Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt. Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
Evidence of Creep Evidence of Creep
Evidence of Retrieval of Visual Memories of Movement Evidence of Retrieval of Visual Memories of Movement
Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ... Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ...
Experimental evidence of cytoplasmic localization in an amphibian oocyte. Experimental evidence of cytoplasmic localization in an amphibian oocyte.
Video: Interview with Person who has Panic Attacks

For a complete list of videos, visit our video library