All human cells contain 46 chromosomes; 23 from the dad and 23 from the mom.

Which image shows labeled organelles that are present only in plant cells?

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes