What do plant, animal and bacteria cells have in common? DNA, chloroplasts and cytoplasm
cell walls, cytoplasm and endoplasmic reticulum
cell membranes, DNA and lysosomes
DNA, cytoplasm and cell membranes

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

Why are common names a problem for scientist?