Solved >     11) The scenario of prebiotic evolution:1189879 …



11) The scenario of prebiotic evolution leading to the origin of life on Earth is plausible because

A) experiments suggest that all the chemical components of living cells can be formed quickly from inorganic precursors.

B) there was a vast period of time for simple chemicals to evolve into complex molecules found in cells that exist today.

C) it has been observed to occur near thermal vents at the bottom of the ocean.

D) it has been observed under laboratory conditions.

E) it has been observed to occur on other planets.

12) The experiments that demonstrated that meat does not spontaneously generate maggots were conducted by

A) Harold Urey.

B) Francisco Redi.

C) Louis Pasteur.

D) Alexander Oparin.

E) Sidney Altman.


13) The idea that river mud left in the sun will turn into frogs illustrates

A) the endosymbiont theory.

B) prebiotic evolution.

C) spontaneous generation.

D) self-replication.

E) how prokaryotes evolve.


14) Who disproved the “broth-to-microorganisms” hypothesis?

A) Stanley Miller

B) Francisco Redi

C) Louis Pasteur

D) Alexander Oparin

E) Sidney Altman


15) Which of the following scientists was part of a pair who first discovered that cellular reactions can be catalyzed by a ribozyme?

A) Stanley Miller

B) Francisco Redi

C) John Tyndall

D) Alexander Oparin

E) Sidney Altman

16) Who is credited with proposing that prebiotic chemical conditions could lead to the evolution of complex molecules and, eventually, to living organisms?

A) Stanley Miller

B) Francisco Redi

C) Louis Pasteur

D) Alexander Oparin and John Haldane

E) Sidney Altman


17) One theory holds that the first self-replicating molecules were

A) lipids.

B) amino acids.


D) carbohydrates.



18) The oldest fossil organisms presently known have been dated at approximately how many years old?

A) 4.5 billion

B) 3.5 billion

C) 1.7 billion

D) less than 1.7 billion

E) more than 4.5 billion


19) Which is the correct series of events in the evolution of life on Earth?

A) O2 → photosynthesis → aerobic metabolism

B) Aerobic metabolism → photosynthesis → O2

C) O2 → aerobic metabolism → photosynthesis

D) Photosynthesis → O2 → aerobic metabolism

20) Based on current knowledge about the conditions of the early Earth, the first organisms were most likely

A) photosynthetic prokaryotes.

B) photosynthetic eukaryotes.

C) anaerobic prokaryotes.

D) anaerobic eukaryotes.

E) multicellular eukaryotes. is an online academic writing platform that provides extensive assistance to graduate school students as they work through their research projects, papers and dissertations. gives students access to experienced professionals who can provide the help they need in a timely and efficient manner. The service offers a wide range of services, including editing, proofreading, formatting, researching and more that can give students the confidence they need to write the perfect paper or dissertation for their chosen subject matter.

Services Offered by offers a wealth of different services designed to make research projects easier for graduate school students. These include editing, proofreading, formatting and researching services, all tailored specifically for graduate-level studies such as PhDs or Master’s degrees in any field from business administration to engineering or even psychology – all with the aim of helping busy students find success in their academics without having to sacrifice other important commitments like family time or work hours towards earning a living wage outside of college hours.

The Benefits of Using
Using gives you access to experts from all over the world who are highly qualified and experienced in helping graduate-level students to complete successful projects in various fields quickly and efficiently – something that would otherwise be difficult, if not impossible, given tight deadlines associated with most Ph.D./Master’s degree programs today. Moreover, using this platform makes it easier for students to keep up with multiple research tasks simultaneously since there are so many different experts available on tap at any one time – no longer will you have to put off studying one topic while focusing on another because of lack of resources! Additionally, having access to professional editors, proofreaders, but also formatters means that quality control standards aren’t sacrificed when finishing major pieces – since these individuals understand what makes up good academic writing better than anyone else and can offer guidance on how best one should go about making improvements along those lines. Finally, there is also an added cost-saving benefit associated with utilizing Graduate Writer Help compared to hiring an independent contractor (which could potentially run into thousands depending on length/complexity).
This service allows users only pay for what students need, which tends to be much lower overall because customers pay per hour rather than project basis, thus resulting to greater financial flexibility, especially for those just starting out postgraduate studies looking to conserve some pennies here there whenever possible!

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
The price is based on these factors:
Academic level
Number of pages
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more
Are you sure want to unlock this post?
Unlock left : 0
Are you sure want to cancel subscription?