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xxMikexx [17]
3 years ago
12

Why would pushing a wooden block across a rough surface make the block warm?

Biology
1 answer:
Olenka [21]3 years ago
5 0
As we know there is a certain force called the frictional force that is required in order to resist the movement of a certain object. This frictional force occurs whenever two objects are rubbed against each other. The frictional force generated is converted to heat energy in due time making the surface hot. 
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The bacteria species known as Escherichia coli is capable of using oxygen to produce energy in a process known as respiration. I
IrinaVladis [17]
No the answer is not A  the answer it C. the bacterial cells to maintain homeostatic  
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3 years ago
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When organisms compete for resources it is considered a limiting factor because ________________________.
Phantasy [73]

Answer:

A.)

Explanation:

7 0
3 years ago
The GO is a stage outside of the cell cycle commonly referred to as the "resting stage" because
Liono4ka [1.6K]

Answer:

G₀ being a stage of the cell cycle that is the resting stage, where there is no cell division, the cells that would remain in the G₀ stage throughout life are the neurons (option c).

Explanation:

In the G₀ phase, considered outside the cell cycle, there is cell metabolic activity but no cell division, since cyclins and cyclin-dependent kinases disappear. Some cells, such as neurons, do not undergo cell division throughout the life of an organism, so they remain in G₀.

In some organs, such as the liver, the hepatocyte may remain in G₀ until the organ receives an injury, and may regenerate by cell division. This is not the case of neurons, which maintain a constant quantity throughout life.

The other options are not correct because:

<em>     a. </em><em><u>Cancer cells</u></em><em> are characterized by a very active and uncontrolled cell division process.</em>

<em>     b. </em><em><u>Liver cells</u></em><em> can remain in G₀, but cell division can be activated when required.</em>

<em>     d. </em><em><u>Epithelial cells</u></em><em> are constantly dividing, since it is a tissue that undergoes frequent cell replacement.</em>

4 0
3 years ago
Dangerously-clogged blood vessels can be widened by a procedure called a(n) _____.
Anestetic [448]
B.) Angioplasty
An angioplasty is when the blood vessel can be widened by a balloon that is blown up in the blood vessel and sometimes a stent is put in place to keep it open. 
3 0
4 years ago
_____ have a body plan with three main parts: a visceral mass, a mantle, and a foot.
Lelu [443]
<h3><u>Answer;</u></h3>

Molluscs

<h3><u>Explanation;</u></h3>
  • <u>Molluscs</u> have a body plan with three main parts: a visceral mass, a mantle, and a foot.
  • Mantle is a soft extension of the body wall in certain invertebrates, for example, Brachiopods and molluscs, which usually secretes a shell, thin body wall of tunicates.
  • The foot helps molluscs to move and in gastropods it make mucus that the animal slides along.
  • Visceral mass includes the gills, guts, and other organs in the center of an mollusk's body
7 0
3 years ago
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