Storage sacs for solid or liquid contents of cell are called ________ .
vacoules
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2
________ made the initial discovery of cells in 1665.
Robert Hooke
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3
The liquid substance that makes up the plasma membrane is called ________.
cytoplasm
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4
________ are primarily organelles in which materials such as starch, oils and protein granules are stored.
Leucoplasts
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5
________ made the discovery of the cell's nucleus in 1831.
Robert Brown
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6
________ and most plant cells tend to gain water through osmosis.
Unicellular freshwater organisms
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7
________ causes the contents of a living plant cell to shrink or contract away from the cell wall when the cell loses water.
Osmosis
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8
________ allows certain substances, such as carbon dioxide or oxygen, to move across the cell membrane.
Diffusion
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9
In the liver cells of the group of animals called vertebrates, ________ plays a crucial role in detoxifying many poisons and drugs.
Smooth Endoplasmic reticulum
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10
The ________ is flexible and is made up of organic molecules called lipids and proteins.
plasma membrane
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11
________ are known as the powerhouses of the cell.
Mitochondria
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12
Thus, diffusion is important in ________ between cells as well as between cells and their surroundings.
gaseous exchange
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13
________ looks rough under a microscope because it has particles called ribosomes attached to its surface.
Rough Endoplasmic Reticulum
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14
In both animals and plants, certain cells found in reproductive organs or tissues divide to create ________, which, when fertilised, produce offspring.
gametes
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15
The ________ also functions as a cytoplasmic framework providing a surface for some of the biochemical activities of the cell.
ER(endoplasmic reticulum)
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16
cytoplasm
The ________ is in charge of holding the elements of the cell and protecting them from damage.
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