Thylakoids contain clusters of chlorophyll and proteins known as. a. chloroplasts
b. stroma
c. photosynthesis
d. photosystems

Cells destroy body cells infected by a virus or bacteria.

Select the word from the list that best fits the definition a system made of 25 satellites

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?