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pav-90 [236]
4 years ago
12

What is extracellular matrix ? in simple words pls​

Biology
1 answer:
gregori [183]4 years ago
5 0
A three-dimensional network consisting of extracellular macromolecules and minerals, such as collagen, enzymes, glycoproteins and hydroxyapatite that provide structural and biochemical support to surrounding cells.
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One of the events that could give credence to the panspermia hypothesis would be the presence of carbon-based molecules on meteors that strike the earth's surface.

<h3>Evidence of extraterrestrial lives</h3>

All biomolecules of life are carbon-based.  Examples of these molecules include carbohydrates, proteins, ribonucleic acids, etc.

In order for life to exist in a place, carbon must be abundant.

Thus, the presence of carbon-based molecules on meteors from another planet that hit the surface of the earth may be evidence that life exists on another planet.

This can be used as evidence that life on earth came from extraterrestrial sources.

More on panspermia can be found here: brainly.com/question/11624205

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2 years ago
What is the function of cellulose in plants
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Cellulose helps make a plant strong and stiff, so it doesn't bend and break. It is in a plants cell walls.

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3 years ago
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The phases of the moon are caused by the sun is wearing distance from the moon moon’s revolution around the earth moves very dis
Inga [223]

Answer:

October 17, 2019

The Moon, otherwise known as Luna, is the only natural satellite of Earth. It was created 4.6 billion years ago, and it is widely accepted that it was created when Earth collided with a planet-sized object called Theia. It’s the fifth-largest moon in our solar system and is the second brightest object in the sky (after the Sun).

Explanation:

History of The Moon

Called Luna by the Romans, Selene and Artemis by the Greeks, and many other names in other mythologies.

The Moon, of course, has been known since prehistoric times. It is the second brightest object in the sky after the Sun. As the Moon orbits around the Earth once per month, the angle between the Earth, the Moon and the Sun changes; we see this as the cycle of the Moon’s phases. The time between successive new moons is 29.5 days (709 hours), slightly different from the Moon’s orbital period (measured against the stars) since the Earth moves a significant distance in its orbit around the Sun in that time.

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4 years ago
Mutation is an important mechanism for evolutionary change.
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Somatic mutation is the type of mutation among the choices given in the question that <span>contribute to evolution. The correct option among all the options that are given in the question is the second option or the penultimate option. I hope that this is the answer that has actually come to your desired help.</span>
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Test different combinations of stimuli and sense organs. Are there any cases where
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Answer: thalamus

n one, a neuron works with a sensory receptor, a cell, or cell process that is ... In most cases, the correct stimulus impinging on a sensory receptor will drive .the brain can carry two signals at once, ... "We found that there are periods of time when a given neuron responds to one stimulus ... Our brains are capable of processing multiple stimuli at once -- such as ... "Our working memory system is quite limited

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