A. DNA ad protein
B. Protein and Lipids
C. Protein and Chitin
D. Protein and RNA
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist
A. Concentration of water molecules inside and outside the cell
B. Concentration of enzymes on either side of the cell membrane
C. Rate of molecular motion on either side of the cell membrane
D. None of these
A. Older sediment layers have equal amount of these radioactive isotopes as that of the young ones
B. Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D. Older sediment layers did not have these radioactive isotopes
A. Diffusion
B. Passive transport
C. Osmosis
D. Active transport
A. Biome
B. Phyletic lineage
C. Community
D. Population
A. Hydrolysis
B. Pinocytosis
C. Dehydration synthesis
D. Active transport
A. Experimental inquiry
B. Esthetic preference
C. Philosophical ideas
D. Imaginations
A. Water
B. Glucose
C. Oxygen
D. Sodium chloride