Why does a cell make a copy of its DNA before it divides?

What is the chemical name for GaC1z?

How can overgrazing lead to soil erosion?

DNA is a nucleic acid polymer composed of which repeating structural unit? nucleotides phosphate groups ribosomes proteins

oxygen has eight protons in it's nucleus. Calculate the number of neutrons and electrons in a neutral oxygen-16 atom.

Which takes place inside the chloroplast? light and dark reactions light reaction only light reaction and cellular respiration dark reaction only

The Tasmanian devil has 14 chromosomes in each of its somatic cells, 2n = 14. How many chromosomes would be present in a cell after anaphase of Mitosis?

What will a hypothesis become if it is supported by repeated experimentation

During energy transformations, sometimes energy is destroyed. is that true or false

Your patient has been diagnosed with right ventricular failure. Which of the following abnormalities is not a direct result of this problem Your patient has been diagnosed with right ventricular failure.

Which of the following is an example of sensors working during homeostasis? a blood volume decreasing from lack of water b the pancreas failing to release insulin c acidic blood pH disrupting cell metabolism d energy demands triggering a release of