A human cell with an unknown type has 23 chromosomes. Which of the following types of cells can the unknown be? Skin cell
Sperm cell
Cardiac cell
Intestinal cell

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

What organs comprise the respiratory system of a bird