A major function of natural killer cells is to Group of answer choices Attack amd kill pathogenic bacteria in a nonspecific way. Attach virus infected cells in a nonspecific way. Attach virus infected cells in an antigen specific way. Phagocytize microorganisms that have been tagged with antibodis.

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane

What are some characteristics of a free enterprise economy?