Co-enzyme is often formed from ?
A. lipid
B. protein
C. inorganic ion
D. vitamin
Which one is not correct for a productive theory?
Which one is not correct for a productive theory?
A. It is predictive
B. It has explanatory power
C. It discourages suggestion of different hypotheses
D. None of these
A series of hypothesis supported by the results of many tests is called ?
A series of hypothesis supported by the results of many tests is called ?
A. Scientific law
B. Theory
C. Data
D. Deduction
Proteins are made from amino acids by the process of ______________?
Proteins are made from amino acids by the process of ______________?
A. Hydrolysis
B. Pinocytosis
C. Dehydration synthesis
D. Active transport
An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?
An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?
A. Biome
B. Phyletic lineage
C. Community
D. Population
Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
A. Diffusion
B. Passive transport
C. Osmosis
D. Active transport
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
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
The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist
A large regional community primarily determined by climate is called ?
A large regional community primarily determined by climate is called ?
A. Population
B. Community
C. Biome
D. Habitat
Which of the following pathogen type cause disease that can be treated with antibiotics ?
Which of the following pathogen type cause disease that can be treated with antibiotics ?
A. bacteria
B. fungi
C. virus
D. none of these