× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
c
6
r
4
c
3
m
3
h
3
1
3
n
3
s
3
d
3
c
3
r
3
e
3
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
Goose7701 Goose7701
wrote...
Go to Answer
Posts: 499
Rep: 0 0
6 years ago
By one hypothesis, clay _____.
 
  a. facilitated assembly of early organic polymers by concentrating monomers through it's negative charge
  b. was present at hydrothermal vents
  c. provided energy for early metabolism
  d. has a positive charge and repelled organic monomers
  e. helped physically form the plasma membrane of protocells

Question 2

Ribosomes can catalyze formation of peptide bonds. This supports the hypothesis that _____ .
 
  a. an RNA world preceded DNA-based genomes
  b. RNA can hold more information than DNA
  c. the first protists had RNA as their genetic material
  d. RNA's only role is that of an enzyme
  e. protocells contained DNA
Read 70 times
2 Replies
Replies
Answer verified by a subject expert
leahx3leahx3
wrote...
#1
Top Poster
Posts: 592
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Goose7701 Author
wrote...
#2
6 years ago
Thank you so much for providing this
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1257 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 295
  
 170
  
 232
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436
Previous poll results: Who will win the 2024 president election?