Biology, 05.05.2021 21:00 frankieflores02
Which of the following is true of organisms?
O Extinct organisms are not related to organisms that exist today
Only organisms that exist today have a common ancestor
O All present and past organisms have a common ancestor
O Only organisms that look alike are genetically related
Answers: 1
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Match the description of each organism to the appropriate category
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What will happen if two of the base pairs of the stand of the dna are switched
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Which chemical reaction shows photosynthesis? a. water + carbon dioxide + sunlight → oxygen + glucose b. carbon + oxygen → carbon dioxide c. hydrogen + oxygen → water d. nitrogen + hydrogen → ammonia
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18. determine whether each stateme blank space given. ach statement is true (t) or false (f). place your answer in the 8. when a cell is put into an isotonic solution, individual wat put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. d. when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. c. when a cell is put into a hypotonic solution, there is a net movement of water molecules across the cell membrane out of the cell. d. the movement of any solvent across a semi-permeable membrane is called osmosis. e. carrier proteins have the ability to change shape and physically move molecules across the cell membrane. f. in facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the cell.
Answers: 2
Which of the following is true of organisms?
O Extinct organisms are not related to organisms that...
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