All of the following are true regarding cells except? A) All cells have genetic material
B) All cells have cell walls
C) All cells have plasma membranes
D) All cells can divide to form new cells

Depending on the organism the number of in a cell may change

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi