Podcast
Questions and Answers
RNA is thought to be the earliest self-replicating ______, as it is capable of both storing genetic information and catalyzing chemical reactions
RNA is thought to be the earliest self-replicating ______, as it is capable of both storing genetic information and catalyzing chemical reactions
molecule
Cells emerged at least ______ billion years ago
Cells emerged at least ______ billion years ago
3.5
The early cell membranes were probably more simple and ______ than modern ones
The early cell membranes were probably more simple and ______ than modern ones
permeable
Lipids are known to spontaneously form ______ vesicles in water
Lipids are known to spontaneously form ______ vesicles in water
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The current belief is that the early cells were ______
The current belief is that the early cells were ______
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The first cell membranes could also have been produced by catalytic ______
The first cell membranes could also have been produced by catalytic ______
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Some other entity with the potential to self-replicate could have preceded RNA, such as clay or ______ nucleic acid
Some other entity with the potential to self-replicate could have preceded RNA, such as clay or ______ nucleic acid
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They may have been carried to Earth on ______, created at deep-sea vents, or synthesized by lightning in a reducing atmosphere
They may have been carried to Earth on ______, created at deep-sea vents, or synthesized by lightning in a reducing atmosphere
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The ______ is that these cells were heterotrophs
The ______ is that these cells were heterotrophs
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Which of the following is a possible source of the first self-replicating forms on Earth?
Which of the following is a possible source of the first self-replicating forms on Earth?
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What is the current belief about the nature of the early cell membranes?
What is the current belief about the nature of the early cell membranes?
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Which molecule is thought to be the earliest self-replicating molecule?
Which molecule is thought to be the earliest self-replicating molecule?
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What is a possible precursor to RNA as a self-replicating entity?
What is a possible precursor to RNA as a self-replicating entity?
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When did cells emerge on Earth?
When did cells emerge on Earth?
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