Despite differences in size and shape , at some point all cells have dna and a : a. cell wall. b. cell membrane. c. mitochondrion. d. nucleus

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)