Cells

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statistics
by Dr. Osama M. Khaled last modified 2022-07-19T04:22:18+00:00

Cells and cell theory

Cells
Questions #: 14
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Pass Score: 80.0%
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In 1665 the Englishman Robert Hooke described having seen what he called "cells" in a piece of cork

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Robert Hooke used the term "cells" to describe living cells because

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Plant cell walls vs animal cell walls

Unlike plant cells, which have thick cell walls,animal cells lack such a wall and instead have only a thinner, generally more flexible plasma membrane.

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Cells only exist as one small part of an organism consisting of many cells, a multicellular organism

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Englishman Robert Hoke 1665 was the first to discover that some organisms consist entirely of a single cell

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One of the following organisms is unicellular

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In multicellular organisms, cells have specific functions

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Two German scientists explained the cell theory

Matthias Schleiden and Theodor Schwann, were the first to explain, in 1838 and 1839 respectively, the basic tenets of what is recognised as cell theory

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Cell Theory is explained as

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The longest known type of cells is ________ cells

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Most cell sizes are

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Small cell size is thought to be a function of the restriction placed on cells by the ratio of (1) _______ area to (2) __________

drag and drop the selected option to the right place or type it instead
surface
volume
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Cells absorbing and releasing molecules

Cell processes of absorbing molecules from surrounding medium and releasing molecules into surrounding medium is more readily when

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The more the cell gets larger, the harder for it to maintain a stable internal environment

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