7. summarize the process of dna replication.

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Long term exposure to waves can cause sunburns and skin cancer.

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

Were you able to observe the nucleolus in any of the cells if so which ones