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koban [17]
3 years ago
5

Importance of cellulose and hemicellulose in industrial purposes?​

Biology
1 answer:
alukav5142 [94]3 years ago
8 0

Explanation:

Cellulose, hemicellulose and lignin form structures called microfibrils, which are organized into macrofibrils that mediate structural stability in the plant cell wall.

The most important biological role of hemicelluloses is their contribution to strengthening the cell wall by interaction with cellulose and, in some walls, with lignin.

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The flowers get nutrients from the frog waste which type of relationship is this
kvv77 [185]
Mutuaism

because they both benift from each other
6 0
3 years ago
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a) Name the structures that: i) Carry water and mineral salts to the leaf ii) Prevents too much water loss from the upper surfac
const2013 [10]

Answer:

a) i) Xylem

   ii) Upper epidermis  

   iii) Stoma

   iv) Chroloplast  

   v) Palisade cell layer

b) By a waxy layer on the cuticle of the leaf

Explanation:

The plant's leaves have a large surface area that is capable of absorbing sunlight. The plant's waxy layer in the surface of the leaf protects it from the loss of water, as well as of diseases caused by the entry of microorganisms. The palisade cell's surface is a single layer of cells underneath the upper epidermis that is adapted to absorb light energy.

The waxy layer is a primary physical barrier composed of insoluble polymers and lipids whose function is to protect the leaves against the entry of harmful organisms including virus, bacteria and fungus. Moreover, the plant's waxy cuticle is also a barrier that prevents the loss of water and solutes.

3 0
3 years ago
g the period of time that begins with contraction of the atria and ends with ventricular relaxation is known as: question 36 opt
Archy [21]

The period of time that begins with the contraction of the atria and ends with ventricular relaxation is known as the Cardiac cycle.

<h3>What is a cardiac cycle?</h3>

The cardiac cycle describes a whole heartbeat from its onset to the beginning of the following pulse. It consists of the diastole, systole, and the interval in between. Heart rate, which is naturally expressed as beats per minute, serves as an example of how a cardiac cycle occurs.

<h3>Cardiac Cycle Physiology</h3>

The left and right halves of the human heart's four chambers make up the body. The right and left ventricles are located in the lower two chambers, while the left and right atria are located in the two top chambers. Pumping deoxygenated blood to the lungs through the pulmonary arteries and the pulmonary trunk is the right ventricle's main job. While the left ventricle is in charge of pushing freshly oxygenated blood to the body through the aorta.

Learn more about deoxygenated blood here:-

brainly.com/question/13162823

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6 0
1 year ago
Describe how is an organism's food and habitat related
Brums [2.3K]
As we already know, organism mean's something that is living.
Well, at a habitat there is going to be some animal's or insect's because it's that animal's or insect's habitat. ( They live there.) Well <u>most</u> organism's are food.
( NOTICE I bloldfaced "most", this is because not all organism's are food) Okay, let's go over what we just said. Organism's are living thing's and habitat's are places where organism's live. Now we have to think about this, you stated, Describe how is an <u>organism's food</u> and habitat related. The one thing we have not talked about is, <u>organism's food</u>. Okay, Animal's live in habitat's and so do organism's.
 ( Remember, some <u>organism's eat other organism's</u>) This is how organism's food and habitat are related.

<u>Hope this help's!</u>
<u>Good luck on your </u>
<u>home work! (:</u>


5 0
3 years ago
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HELP ME I AM BEGGING YOU! 7th grade science.
777dan777 [17]

Answer:

E.

Explanation:

Im sorry if it's wrong but that's what I would go with

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3 years ago
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