Which of the following were tenets of the Cell Theory, according to Schwann and Schleiden? 1) All cells are made by other, preexisting cells.
2) Cells are the building blocks of all living things.
3) Every cell contains DNA that maps development.
4) Cells are responsible for structuring organisms' bodies.

Select the correct answer from each drop-down menu. describe what happens to a carbon-11 atom when it undergoes positron emission. the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons