A Which of the following statements is true?
Lysosomes and chloroplasts are unique to plant cells.
O A nerve cell contains more mitochondria than a muscle cell.
Homeostasis on the cellular level is controlled by the cell membrane.
Instead of a cell membrane, plant cells have cell walls.

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible? a. attractive forces between gas particles are negligible because the particles of an ideal gas are moving so quickly. b. collisions between gas particles are elastic; there is no net gain or loss of kinetic energy. c. gases consist of a large number of small particles, with a lot of space between the particles. d. gas particles are in constant, random motion, and higher kinetic energy means faster movement.

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d