The use of the isotope 32P as a tracer element in the study of invasion and lysis of bacteria by viruses has shown that bacteriophage protein enters the bacteria.
Phosphorus-32 is a radioactive isotope of phosphorus, such that the nucleus of phosphorous-32 contains 15 protons and 17 neutrons, one more neutron than the most common isotope of phosphorous, phosphorous-31.
Answer:
Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.
A.
contracts to move substances through the body
D.
breaks down food to acquire nutrients
B. The compass shows south is down & North is up the south wind will blow stronger up.
