Which of the following statements about the
mass number of an atom is incorrect?
select one:
a. it has a unit defined as a dalton.
b. on earth, it equals the atomic
weight.
c. it equals the number of electrons
in an atom.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

What does the positioning of transcription factors determine?