The stars on the HR diagram are classified as the Main sequence
Active transport uses energy (ATP) and passive transport does not. Active transport goes against the concentration gradient whilst passive transport does not.
Answer:
D. Synaptic vesicles move toward the axon terminals.
This happens at first
Answer: (A) The conclusion is valid because the independent and dependent variables in experiment were controlled.
Explanation: There are some basics requirements in order for an experiment to be valid: hypothesis, monitoring, independent and dependent variables and constants.
The main difference is in the presence of a carbon atom; organic compounds will contain a carbon atom (and often a hydrogen atom, to form hydrocarbons), while almost all inorganic compounds do not contain either of those two atoms. ... Meanwhile, inorganic compounds include the salts, metals, and other elemental compounds.
