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Arlecino [84]
3 years ago
7

The shape and mechanical properties of plant, yeast, and bacteria cells is established by a

Biology
1 answer:
satela [25.4K]3 years ago
4 0

Answer:

(d) Cell wall

Explanation:

The cell wall is a structure located on the outside of the cell membrane in the cells of plants, bacteria, fungi, and algae. It is a resistant, tough and flexible layer, which has the vital function of supporting the osmotic pressure inside the cell, preventing the cell from lysis when water enters. Besides, it has the function of giving rigidity, support and defining the shape of the cell.

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riadik2000 [5.3K]

Answer:

answer is d

Explanation:

I took the test

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Scientists at Russia’s Vostok Station in eastern Antarctica drilled the longest ice core ever recorded. They compiled this graph
Wittaler [7]
The data supports the fourth choice, that increasing air temperature and CO2 levels correlate with a decrease in dust concentration.

The first choice is unlikely to reflect dust concentration, and is more likely to be for air temperature. The second choice is false, because the dust concentration is more of a decreasing trend. The third choice is not true, as the spikes in air temperature and atmospheric CO2 concentrations seem to occur simultaneously, implying a positive correlation.
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A light microscope that makes the specimen appear light on a dark background is called a(n) _____. compound microscope electron
AnnZ [28]

The right option is; dark-field microscope

A light microscope that makes the specimen appear light on a dark background is called a dark field microscope.

Dark field microscopes are light microscopes that are used in different ways to clearly view various specimens that are unstained, transparent, and hard to see using a light field unit. Dark field microscopes are very effective because they show the details of unstained and live samples. It is also very simple to use, and inexpensive to set up.


7 0
3 years ago
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The smallest unit of biological structure that meets the functional requirements of "living" is the ______.
shutvik [7]

Answer;

-Cell

Explanation;

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-The cellular level of an organism is where the metabolic processes occur that keep the organism alive. That is why the cell is called the fundamental unit of life. Some organisms, such as bacteria or yeast, are unicellular; consisting only of a single cell, while others, for instance, mammalians, are multicellular.


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3 years ago
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andrew-mc [135]
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