Which of the following statements correctly describe a photon? Select all that apply.

1) A high-frequency photon has low energy.

2) All photons have the same amount of energy

3) Matter cannot absorb or emit a fraction of a photon.

4) A photon is a particle of electromagnetic radiation.

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

Will mark brainliest how many electrons can be held in the energy level n = 4?

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?