What are infectious agents?

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

Discuss cell surface transport in the structure of constituents

Plz ! what does it mean for an allele to be dominant?