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andrew-mc [135]
3 years ago
7

A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from

those that are outside of the system. Which part of the cell functions as a system boundary?
Biology
2 answers:
weeeeeb [17]3 years ago
8 0
In plants, the cell boundary is the cell wall and the cell membrane. In animals, the boundary is the cell membrane and the cytoskeleton keeps the shape of the cell.
bearhunter [10]3 years ago
6 0

Answer;

Cell membrane


A cell membrane acts as a boundary that separates things that are inside the system from those that are outside the system.

Explanation;

It is a thin semipermeable structure that surrounds the cytoplasm of a cell.

The membrane functions to protect the integrity of the internal environment of the cell by allowing selective movements of materials in and out of the cell.

The membrane consists of a phospholipid bilayer with proteins embedded in it.

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Which term best describes igneous rocks
Gnesinka [82]

Answer: I would say Felsic.

Explanation: There are many other names for Igneous Rocks. Felsic or Silicate. then there's Phaneritic, Aphanitic, Plutonic Rock, Volcanic Rock, Intrusive, Extrusive, and also Porphyry.

3 0
3 years ago
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Which type of organism generates oxygen and makes up the lowest trophic level in an energy pyramid?
bixtya [17]
Your answer will be A producer because producers are plants they give off food and a lot of animals eat their their at the bottom of the pyramid because that have nothing in defense also an ts not D because those are like lions, and bears stuff that eat things (like predators) also its not B because omnivores eat both plants and animals like bears and when it came down to rather A, or C I choose A because herbivores are animals that eat plants like a sloth.

Your answer is A.
6 0
3 years ago
Which animal is an inverterbrate? <br><br>A.trout<br>B. cat <br>C. snake<br>D. termite​
Marianna [84]

Answer:

Termites

Explanation:

A termite is classified as an insect, and insects are inverterbrate.

7 0
3 years ago
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Why does cells need to use transport protein to function?
vladimir2022 [97]

some important molecules are too large to pass through the cell membrane.

Hope this helps!

-Payshence


6 0
3 years ago
The arrow in a chemical equation means ________
allochka39001 [22]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: It indicates the direction of the reaction

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

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