1. Define one characteristic shared by all living organisms. 2. List two differe
ID: 199503 • Letter: 1
Question
1. Define one characteristic shared by all living organisms. 2. List two differences between prokaryotes and eukaryotes 3. You are examining a microscope slide of cells from the skin of an onion under low In order to see more details within the nucleus of the cell, you switch to high power. How do you refine the clearness of this image? 4 You are examining some onion skin under the microscope and wish to determine the length of the cells you are observing. If the diameter of the field of view is 0.250 millimeters, and 2.5 cells fit across that diameter, what is the length of the cells? 5. List two differences between plant and animal cells. 6. The movement of water across a cell membrane is calledWater crosses the cell membrane, but other substances do not, because the membrane isExplanation / Answer
Answer.
1). Growth, multiplication and reproduction are the characteristics that shared by all living organisms.
2). Eukaryotes contain true nucleus and cell organelles whereas prokaryotes do not have nucleus and cell organelles.
Eukaryotes possess 80s ribosomes whereas prokaryotes contain 70s ribosomes.
5).
Plant cells contain cell wall whereas absent in animal cell.
Stored food in plant cell is starch whereas glycogen in animal cell.
6). Thanks movement of water across a cell membrane is called osmosis. Water crosses the cell membrane, but other substances do not, because the cell membrane is semipermeable.
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