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3 years ago

Whats a biological system

Biology

1 answer:

Snezhnost [94]3 years ago

6 0

Answer:

Explanation:

DescriptionA biological system is a complex network of biologically relevant entities. Biological organization spans several scales and are determined based different structures depending on what the system is. Examples of biological systems at the macro scale are populations of organisms.

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The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hear

boyakko [2]

Answer:

Homopalsies

Explanation:

They are the chambers in a mammal and it means a character with shared parts of the body as another speices

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3 years ago

Precipitation is an example of what type of reaction

Verdich [7]

It is a Chemical reaction taking place un a solution in which one or more of the products is insoluble in the solvent, and so forms solid particles that fall to the bottom of the reactor

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3 years ago

The cell theory teaches that _____.

Serjik [45]

The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cellsarise from existing cells. Rudolf Virchow later made important contributions to this theory. ... Thecell is the fundamental unit of structure and function in living things.

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3 years ago

Read 2 more answers

To identify the molecule that accepts CO₂ , Calvin and Benson manipulated the carbonfixation cycle by either cutting off CO₂ or

Alexxandr [17]

To identify the molecule that accepts $CO_{2}$ , Calvin and Benson manipulated the carbon-fixation cycle by either cutting off $CO_{2}$ or cutting off light from cultures of photosynthetic algae. They then measured the concentrations of various metabolites immediately following the manipulation. The $CO_{2}$ acceptor concentration would increase when the $CO_{2}$ is cut off, but decrease when the light is cut off.

The correct option is d.

The process through which living things absorb inorganic carbon from the atmosphere and transform it into organic molecules is known as carbon fixation. These substances are employed as chemical energy storage. For life to continue, it is a necessary process.

Calvin and Benson disrupted the carbon-fixation cycle by either removing $CO_{2}$ or removing light from cultures of photosynthetic algae in order to find the molecule that takes $CO_{2}$ . Following the alteration, they evaluated the concentrations of several metabolites.

To learn more about Calvin and Benson, refer from

brainly.com/question/13711505

#SPJ4

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2 years ago

There are so many microbes in a single mL of culture, it is very difficult to perform one dilution to produce countable cells. M

Feliz [49]

Answer:

cumulative dilution = 0.000001

Explanation:

A serial dilution is a stepwise kind of dilution repeated a certain number of times, in which the concentration reduces exponentially each time.

The cumulative dilution is the final dilution gotten depending on the number of times dilution has been done and the dilution factor. The formula is given as:

Cumulative dilution = (F)ⁿ

where:

F = dilution factor = 0.1

n = number of serial dilutions = 6

∴ cumulative dilution = (0.1)⁶ = 0.000001

4 0

3 years ago