What is exposed to antigen (virus) hoping to trigger an immune response? (The second letter is C the fourth letter is I and the seventh letter is I. Yes this is a crossword)

Which hormones do endocrine glands release?

Phospholipids are used: a. to form water b. to organize the dna of the cell c. to form the membrane of the cell d. to make proteins e. to replenish amino acids

Alexander graham bell studied the human ear and noticed how sounds were transmitted when a membrane (the eardrum) vibrated. he applied this knowledge to the development of the telephone, using a similar process of vibration of a membrane.

Twenty cuttings were taken from one plant and planted in four containers of sand. two containers had a ph of 6.0, and two had a ph of 8.0. when the cuttings matured, all of those grown in a ph of 6.

On which feature is science based? detailed research with reliable sources static information that does not change emotional appeals test that cannot be repeated

What is a valid reason for making efforts to maintain the biodiversity of the planet earth? A Biodiversity makes ecosystems stronger, more stable, and more resiliant to environmental change.

Justin says that venus and jupiter are similar planets in our solar system. amanda argues that the two planets are actually very different from each other. who is correct? why is that person correct?

How do pallettes aid in the healing of cuts A. Platelets become whole red blood cells to prevent further loss of blood B. platelets make blood thicker to prevent further loss of blood C.

Which list describes the path carbon dioxide takes to the nose?

What is being divided and equally distributed