Answer:
The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.
Answer:
Trace fossils include footprints, trails, burrows, feeding marks, and resting marks.
Explanation:
elevating a stuck with him feet with help of his all circulation is true
System that removes solid and liquid wastes is called excretory system.
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Answer:
mitochondria, golgi, ER
Explanation:
These folds have a great advantage for mitochondria as they increase the surface area where chemical reactions occur.