Exam (elaborations)
Primavera Biology B Unit 4. Evolution Questions and Answers Fully Solved
- Course
- Institution
Primavera Biology B Unit 4. Evolution
[Show more]
Content preview
Primavera Biology B Unit 4. EvolutionCHECKPOINT 17 - answer
What gas present in today's atmosphere was largely absent from early Earth's
atmosphere? - answer oxygen
What are some possible sources for early organic molecules?
Select all that apply. - answer existing inorganic molecules forming into more complex
organic ones by using energy from lightning
simple inorganic compounds arriving on Earth through meteorites or other objects
Which option correctly replaces X and Y?
The Miller-Urey experiment resulted in the formation of several X molecules that are the
basis for Y. – answer X: amino acid
Y: proteins
Study the experiment illustrated by the following image:
https://assets.learnosity.com/organisations/625/asset/media/1170676
What aspect of early Earth was the spark meant to recreate? - answerlightning
What were the products of experiments that were similar to the one Miller and Urey
conducted? - answerorganic compounds
Which two organelles are thought to have arisen from prokaryotes that became
engulfed by other cells according to the theory of endosymbiosis? - answermitochondria
and chloroplasts
What does the RNA world hypothesis state about ribozymes? - answerRibozymes were
once more common than they are now. They eventually got replaced by proteins.
What functions are central to RNA in the RNA world hypothesis?
Select all that apply. - answerRNA can serve as a genetic code.
RNA strands can act as enzymes.
What are RNA molecules that can act as enzymes? - answerribozymes
CHECKPOINT 18 - answer
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Dreamer252. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77858 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
