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andrew-mc [135]
2 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]2 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]2 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 stable element is used to determine the age of volcanic rock? argon O carbon-14 O O potassium carbon-12 Which stable eleme
Verdich [7]

Answer:

Argon

Explanation:

Argon is actually used to determine the age. It's called potassium-argon dating b/c when volcano erupts the rocks in it contain potassium. The potassium slowly decays and produces argon. Scientists measure how much argon is in a given volcanic rock and do math backwards to figure out how many potassium atoms were needed to produce the given amount of argon. We already know the rate at which potassium decays so then they put two and two together to find the age.

Here's a link with some cool info on it:

https://divediscover.whoi.edu/archives/hottopics/volcano.html

3 0
2 years ago
The steps commonly used by scientists in gathering information to test hypothesis and solve a problem are called___?
Luba_88 [7]
<span>The steps commonly used by scientists in gathering information to test a hypothesis and solve a problem is called c) scientific method
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6 0
3 years ago
Read 2 more answers
During aerobic cellular respiration, one molecule of glucose is used to produce how many ATP molecules?
mart [117]
For the first question, I believe it's 36. For the second question, it is oxygen, as oxygen is essential for aerobic processes. For the last question, the summarized cellular respiration equation is the 2nd one.
3 0
3 years ago
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What would we need to do to increase the plant biomass on Earth? List about two solutions ​
Sergeu [11.5K]

Answer:

I'm just gonna take a guess at this, it's not something I really learned about.

Explanation:

1. Stop cutting down forests and plants

And 2. Start planting more plants to increase how many there are

Hope this is good?

5 0
3 years ago
The chemical process in living organisms whereby cells are nourished and carry out their activities is:
Lina20 [59]
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