Which theory states that the universe originated with an explosion and continues to expand?
a. Plate tectonics
b. Cell theory
c. Global warming
d. Evolution
e. Big bang theory
e
You might also like to view...
In many cells, the adhesion to the extracellular matrix through integrins causes the activation of kinases in the cytoplasm. This suggests that:
A. integrins promote the activation of signaltransduction pathways. B. integrins are kinases. C. extracellular matrix proteins are receptors and integrins are ligands.
___ cells are required for almost all parts of the innate and adaptive immune responses to function properly.
What will be an ideal response?
Species of __________ infect crop plants such as
potatoes and forest trees such as oak. a. dinoflagellates b. foraminiferans c. yeasts d. water molds e. prions
Animal cells attach to adhesive glycoproteins such as ________ and ________ in the extracellular matrix
Fill in the blank with correct word.