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
The current belief is that the early cells were ______
The current belief is that the early cells were ______
The first cell membranes could also have been produced by catalytic ______
The first cell membranes could also have been produced by catalytic ______
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
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
The ______ is that these cells were heterotrophs
The ______ is that these cells were heterotrophs
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?
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?
Which molecule is thought to be the earliest self-replicating molecule?
Which molecule is thought to be the earliest self-replicating molecule?
What is a possible precursor to RNA as a self-replicating entity?
What is a possible precursor to RNA as a self-replicating entity?
When did cells emerge on Earth?
When did cells emerge on Earth?
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