Which statement is NOT true about elements? All atoms of an element contain the same number of protons.

Atoms of an element may contain different number of neutrons.

An element consists of atoms and molecules.

O An element cannot be broken down into substances with different.

The activity of the modern sample is 1.10 bq . how long does that measurement take?

As an asteroid comes close to earth, it's name will change to? apex

Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?