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ASHA 777 [7]
3 years ago
13

How are secondary cell walls different from primary cell walls?

Biology
2 answers:
gogolik [260]3 years ago
6 0

Explanation:

Primary cell walls are synthesized during growth and typically are relatively thin, pliant, highly hydrated structures. ... Secondary cell walls provide strength and rigidity in plant tissues that have ceased growing.

marin [14]3 years ago
5 0

<h3>provide strength and rigidity in plant .</h3>

Explanation:

Primary cell walls are synthesized during growth and typically are relatively thin, pliant, highly hydrated structures. ... Secondary cell walls provide strength and rigidity in plant tissues that have ceased growing.

<h2>#hopeithelp's a lot❤️</h2>
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Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?
lana [24]

Answer:

The correct answer is arteries.

Explanation:

The ventricles refer to the lower two chambers of the heart. The prime function of the ventricles is to pump blood to the rest parts of the body. Arteries refer to the vessels, which will be the first one to come in contact with the blood from the ventricles.  

Arteries are the blood vessels, which mediate blood away from the heart to the other parts of the body like tissues and lungs. The arteries are strong, thick, and exhibit elastic walls. The distinct types of arteries comprise elastic arteries, muscular arteries, and arterioles.  

5 0
3 years ago
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Who is responsible for conducting the initial written risk assessment for experiments involving biohazards?
lara31 [8.8K]

Answer:

Laboratory Supervisor/Principal Investigator.

Explanation:

The biohazard may be defined as any biological substance that can create problems for the living organisms. The substance can be either any bacteria, virus or any toxin.

The individual if working with any biohazard must read carefully and than start their work. This is the duty of principal investigator or the laboratory supervisor that they should include and show the written assessment of the experiments that might acts as biohazard.

Thus, the answer is Laboratory Supervisor/Principal Investigator.

8 0
3 years ago
Why is it important for both eukaryotic and prokaryotic cells to go through cell division?
Naya [18.7K]

Answer:

La división celular es una parte muy importante del ciclo celular en la que una célula inicial se divide para formar células hijas.1​Debido a la división celular se produce el crecimiento de los seres vivos. En los organismos pluricelulares este crecimiento se produce gracias al desarrollo de los tejidos y en los seres unicelulares mediante la reproducción asexual.

Los seres pluricelulares reemplazan su dotación celular gracias a la división celular y suele estar asociada con la diferenciación celular. En algunos animales la división celular se detiene en algún momento y las células acaban envejeciendo. Las células senescentes se deterioran y mueren debido al envejecimiento del cuerpo. Las células dejan de dividirse porque los telómeros se vuelven cada vez más cortos en cada división y no pueden proteger a los cromosomas como tal.

Las células hijas de las divisiones celulares, en el desarrollo temprano embrionario, contribuyen de forma desigual a la generación de los tejidos adultos.

Explanation:

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3 years ago
Cone-bearing trees (like pines, spruce and fir) grow best in areas where winters are long and cold. Large mammals like moose, el
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This would be a taiga forest biome i believe 
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3 years ago
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What is it called when a substance provides a form of energy during a chemical change
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It's called chemical reaction.

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