BIOLOGY HIGH SCHOOL

Which structure is not present in all organisms?A.
a cell wall

B.
a plasma membrane

C.
genetic material

D.
cytoplasm

Answers

Answer 1
Answer:

A border that exists outside the plasma membrane or cell membrane is the cell wall. It only exists in plant cells and is composed of cellulose. In a cell of an animal, it is absent. Thus, option A is correct.

What is the function of cell wall?

Plant cells have a cell wall that surrounds their plasma membrane and offers tensile strength as well as defense against osmotic and mechanical stress.

Additionally, it enables the development of turgor pressure, or the pressure of the contents of the cell against the cellwall.

Animals lack cell walls, but most other eukaryotes, such as algae, fungus, and plants, as well as most prokaryotes, do (except few bacteria).

Serving as pressure channels, they prevent the cell from over expanding when water enters, which is one of their main roles.

Therefore, cell wall is not present in all organism.

Learn more about cell wall here:

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Answers

Answer: c. individual—population—community—ecosystem—biome

Explanation:

Biosphere is a part of earth which includes the living beings like plants and animals interact with the other important spheres of the earth like atmosphere, lithosphere, and hydrosphere to lead a healthy life.

c. individual—population—community—ecosystem—biome  is the correct sequence that lists the levels of the biosphere from smallest to the largest.

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Answers

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Answers

Answer:

Protists are said to be the most diverse of all eukaryotic kingdoms because the organisms in the Protista kingdom are eukaryotic organisms that are not plants, animals, or fungi.

Explanation:

this is what I found According to Google :)

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Answers

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According to the big bang theory, how did the universe begin? What had to happen before atoms could form?

Answers

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Urban landfills use procedures that increase the decay rate for most trash. accelerate the process by which aluminum is recycled. decrease the decomposition rate for newspapers. increase the number of aerobic bacteria. make it cost effective to recycle glass.

Answers

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Answer:

C.Recycling glass is an energy-saving practice.

Explanation:
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