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BIOL 322 Midterm Exam 2025 Questions and Answers
BIOL 322 Midterm Exam 2025 Questions and Answers
Course:
BIOL 322
Institution:
BIOL 322
BIOL 322 Midterm Exam 2025 Questions and Answers
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| Uploaded on: | September 4, 2025 |
| Last updated: | September 5, 2025 |
| Number of pages: | 54 |
| Written in: | 2025/2026 |
| Type: | Exam (elaborations) |
| Contains: | Questions & Answers |
| Tags: | BIOL 322 Midterm Exam 2025 Questions and Answers |
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BIOL 322 Midterm Exam 2025 Questions and Answers How long ago was Earth formed? - ....ANSWER ...-~4.5 BYA How long ago did the first cellular life appear? - ....ANSWER Cell Inception Theory: Surface Origin - ....ANSWER ...-~4 BYA ...-Spontaneous arise of membrane-enclosed structures from a primordial organic/inorganic soup Cell Inception Theory: Subsurface Origin - ....ANSWER ...-Interactions between alkaline hot water beneath the ocean and cold acidic ocean water. Deep sea sulfides interacted with surface iron. This formed metal precipitates that went on to catalyze and form amino acids and sugars. Order of RNA world theory events (7) - ....ANSWER ...-1. Formation of amino acids, nucleotides and sugars 2. RNA catalytic world and self-replicating RNA 3. Synthesis of complex proteins via RNA catalysis 4. DNA replaced RNA …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
