nmdcat.online
BIO NMDCAT Concept of Evolution
nmdcat.online July 14, 2026

43. Which observation would provide the strongest evidence against spontaneous generation under present-day conditions?

A. Sterile nutrient broth remains free of microorganisms unless contaminated.
✓
B. Organic molecules are found in meteorites.
C. Amino acids can be synthesized in laboratories.
D. Some bacteria survive extreme environments.

📝 Explanation

Correct: This observation, demonstrated by Pasteur, supports biogenesis. B: Relates to prebiotic chemistry. C: Supports chemical evolution. D: Unrelated to spontaneous generation. Concept: Biogenesis.

📖 Additional Information

  • Sterile nutrient broth remains free of microorganisms unless contaminated.
  • Organic molecules are found in meteorites.
  • Amino acids can be synthesized in laboratories.
  • Some bacteria survive extreme environments.

Correct: This observation, demonstrated by Pasteur, supports biogenesis. B: Relates to prebiotic chemistry. C: Supports chemical evolution. D: Unrelated to spontaneous generation. Concept: Biogenesis.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

42. Which statement best explains why the earliest cells were most likely prokaryotic?

Next Question

44. Which factor most likely limited the survival of newly formed organic molecules on modern Earth compared with primitive Earth?

Back to All Questions

🔗 Related MCQs

Concerning the duration of muscle twitches, if a skeletal muscle twitch lasts approximately 10-100 milliseconds, what is the expected duration of a typical smooth muscle contraction?
July 28, 2026
The physiological response to hypoxia (low oxygen) differs among muscle types. Which muscle type is most susceptible to irreversible damage following a brief period of hypoxia?
July 28, 2026
A medical relevance of understanding muscle tissue differences is the development of calcium channel blockers. These drugs are primarily used to treat hypertension (high blood pressure) and angina. They exert their biological effect mainly by acting on:
July 28, 2026
During the process of cell differentiation, which muscle type loses its ability to divide and form new cells almost completely, relying solely on hypertrophy for growth?
July 28, 2026
The functional relationship between the shape of a muscle cell and its tissue type is evident when observing spindle-shaped cells. This specific morphology allows the cells to:
July 28, 2026

Categories

View all →