Jesse is studying a blood sample that has only antigen b on the red blood cells and antibody a in the plasma. what is the type of the blood sample? 1.) a+ 2.) a- 3.) b+ 4.) b-

Choose the molecule that is described by each phrase. energy used during long activities:

The fascicles of the deltoid are ; the fascicles of the pectoralis parallel; bipennate fusiform; unipennate multipennate; triangular bipennate; fusiform

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