Which viral structure enables a virus to bind to receptors on the cell?

A.

capsid

B.

tail fiber

C.

tail sheath

D.

head

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis