Which scientist used the word "cell” for the first time in science?

a) matthias schleiden
b) theodor schwann
c) robert hooke
d) anton van leeuwenhoek

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.