Biology, 09.10.2021 08:50 Taylorkevon35
One student designed an experiment with sugar, water, and sand. The steps of the
experiment are shown below.
• Make a thumb size hole at the bottom of an 18 oz styrofoam cup.
• Roll a piece of paper into a tube and place it in the middle of the cup over the
hole.
• Fill the tube with sugar and surround the tube with sand.
• Pull out the paper tube slowly from the cup and then dip the cup into a beaker
of water.
• Watch the sugar cubes dissolve in water to form gaps in the sugar layer.
The student's experiment demonstrates the formation of
sinkholes
wells
springs
geysers
Answers: 3
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What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.
Answers: 3
Biology, 22.06.2019 09:40
Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.
Answers: 1
Biology, 22.06.2019 19:30
You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple
Answers: 2
One student designed an experiment with sugar, water, and sand. The steps of the
experiment are sh...
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