What was the purpose of Stanley Miller's experiment?
What will be an ideal response?
simulate the chemical conditions of Earth prior to the formation of living organisms
You might also like to view...
Answer the following statements true (T) or false (F)
1. A magnifying glass could be considered a simple microscope. 2. The total magnification achieved when the oil immersion lens is used is 1,000 ×. 3. Fluorescence microscopy is often used in immunology laboratories. 4. The resolving power of electron microscopes is much better than that of compound light microscopes because the wavelength of electrons is much longer than that of visible light. 5. Primary syphilis is usually diagnosed in the clinical microbiology laboratory by the use of a scanning electron microscope.
Speciation can arise through abrupt events, such as changes in chromosome number, or as a consequence of adaptation to different ecological niches. What is the term for the splitting or diverging of a population into two or more species? Which of the figures above represents this term?
A. Anagenesis; Figure A.
B. Anagenesis; Figure B.
C. Cladogenesis; Figure A.
D. Cladogenesis; Figure B.
E. Cladogenesis; Both Figure A and B can represent this term.
The movement of molecules from an area of higher concentration to an area of lower concentration without the participation of specific carrier molecules is called
A. osmosis. B. passive diffusion. C. active transport. D. facilitated diffusion.
How many possible orientations are there if a cell has four chromosome pairs?
A. 4 B. 8 C. 16 D. 32 E. It is impossible to determine.