During a cell's development, it differentiates. how does differentiation occur?
a. a developing cell's function is determined by the number of organelles it contains.
b. a developing cell receives hormonal messages from endocrine glands that instruct the cell's chromosomes.
c. as a cell matures, genes that are not necessary to its function are ejected out of the cell through active transport.
d. certain genes are turned on and others are turned off; this action produces adult cells that are specialized.

on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.