Question 42 (1 point)
choose the word that best completes the following sentence:
according to cosmologists, all exists is all that there will ever be.
a) mass
b) matter
c) galaxies
d) stars

What is one function of the embedded proteins

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons