Which activity do all living things do to survive

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?