Which of the following enzymes breaks down the "glue" that holds cells together?
1) Hyaluronidase
2) Streptokinase
3) Fibrinolysin
4) Collagenase

Which uses electromagnetic radiation to discover the properties and composition of bodies in space? space probe space station space shuttle space observatory

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

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