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SVETLANKA909090 [29]
3 years ago
10

How are unicellular and multi cellular organisms alike/how are they different

Biology
1 answer:
nikklg [1K]3 years ago
5 0
Unicellular organisms<span> contain one cell and all of their functions are based on that one cell whereas </span>multi-cellular organisms<span> contain more than one cell and there functions are divided amongst different cells like nervous cells, cardiac muscle cells etc. 

</span>Multi-cellular organisms<span> can be much larger and more complex. This is because the cells of the</span>organism<span> have specialized into many </span>different<span> types of cells such as nerve cells, blood cells, muscle cells all performing </span>different<span> functions.</span>
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Salts and sugars work to preserve foods by creating a Group of answer choices lower pH. hypertonic environment. lower osmotic pr
adelina 88 [10]

Hypertonic environment

<h3>How do salts and sugars preserve food?</h3>

Salts and sugars work to preserve foods by creating a hypertonic environment. Salt and sugar will remove the water from the bacteria or fungi and they will not be able to proliferate. Loss of water results in plasmolysis, or cytoplasmic shrinkage.

<h3>What is hypertonic solution and plasmolysis?</h3>

Compared to another solution, a hypertonic solution has a higher solute concentration.

Plant cells subjected to hyperosmotic stress frequently exhibit plasmolysis as a reaction. The live protoplast violently separates from the cell wall as a result of the loss of turgor. The vacuole is primarily responsible for the plasmolytic process.

Learn more about hypertonic solution here:

brainly.com/question/13275972

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4 0
2 years ago
How can you test the idea that solar energy is required for the reduction of NADP+ to NADPH?
AysviL [449]

Answer:

In addition to biology, evidence drawn from many different disciplines, including chemistry, geology, and mathematics, supports models of the origin of life on Earth. In order to determine when the first forms of life likely formed, the rate of radioactive decay can be used to determine the age of the oldest rocks (see optional problems C and D, below) exposed on Earth’s surface. These are found to be approximately 3.5 billion years old. The age of rocks can be correlated to fossils of the earliest forms of life. A. The graph compares times of divergence from the last common ancestor based on the fossil record with a "molecular time" constructed by comparing sequences of conserved proteins to determine a mutation rate (after Hedges and Kumar, Trends in Genetics, 2003). Explain how such a molecular clock could be refined to infer time or the evolution of prokaryotes. B. Using a molecular clock constructed from 32 conserved proteins, Hedges and colleagues (Battistuzzi et al., BMC Evol. Biol. 2004) estimated the times during which key biological processes evolved. A diagram based on their work is shown. Connect the time of the origin of life inferred from this diagram with the age of the oldest fossil stromatolites and the age of the oldest exposed rock to show how evidence from different scientific disciplines provides support for the concept of evolution. Evaluate the legitimacy of claims drawn from these different disciplines (biology, geology, and mathematics) regarding the origin of life on Earth. The oldest known rocks are exposed at three locations: Greenland, Australia, and Swaziland. The following application of mathematical methods provides essential evidence of the minimum age of Earth.

Explanation:

6 0
3 years ago
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sveta [45]

Answer:

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Explanation:

5 0
2 years ago
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timurjin [86]
Yea cuz what language ..
8 0
2 years ago
The branch of the autonomic nervous system that is activated when a person is exposed to a stressor is the _______________ nervo
ludmilkaskok [199]
The correct answer is sympathetic.
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