In a mitosis ready cell, why are the 2 chromatids of each chromosomes genetically identical?

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?