Cellular structures to surround the cytoplasm evolved early in the evolutionary history of organisms. These structures were initially beneficial because they
A) allowed anaerobic respiration.
B) allowed bacteria to thrive under hot conditions.
C) concentrated biochemicals in one place.
D) gave protection against UV radiation.
E) allowed specific chemicals to be retained within the membrane.
Correct Answer:
Verified
Q1: Compared to eukaryotes, prokaryotes
A) do not have
Q2: One piece of evidence for the common
Q4: About 3.5 billion years ago when life
Q5: Compared to the modern age, conditions in
Q6: Early bacteria probably obtained their energy by
A)
Q7: A phylogenetic tree of the evolutionary relationships
Q8: Prokaryotes can be divided into two major
Q9: Using modern techniques for sequencing DNA/RNA, cellular
Q10: Penicillin and cephalosporins are effective antibiotics because
Q11: A common reference system for classifying bacteria
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