Answer:
A group of cells make a tissue, a group of tissues make and organ, a group of organs make an organ system, and an organ system makes a organism.
DNA and RNA each contain four nitrogenous bases. They have 5 not 4.
The answer is A.
b and c are opinionated and Star signs aren’t scientifically proven.
Molecular biologists are interested in things like the level of gene expression (how much protein or RNA is present at any given time), which molecules are directly touching each other inside the cell, etc. ... Cell biology techniques, on the other hand, want to know what's going on inside intact cells.
( Try to see which one sounds best after reading this)
Charles Darwin, is the scientist is the father of evolution
