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qaws [65]
3 years ago
15

What characteristic do sea stars and brittle stars have in common?

Biology
2 answers:
LenKa [72]3 years ago
8 0

Answer:

both have a touch spiny surface and they both have the ability to regenerate limbs

mixas84 [53]3 years ago
5 0

Answer:

They typically have a tough, spiny surface, which inspired their name (in Greek, echinos means “spiny” and derma means “skin”). They also have the unusual ability to regrow lost body parts, and sea stars and brittle stars can regrow arms if broken off or eaten

Explanation:

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What is the biological significance of the temperature at which the amylase
kati45 [8]

Answer & explanation:

Amylase is part of enzymes, a group of large peptide molecules (formed by amino acids) whose role is to catalyze reactions in order to facilitate the synthesis of other biological molecules.

Amylase is found mainly in saliva (in the form of salivary amylase, or ptialin), acting in the breakdown of starch and glycogen in foods, reducing them to smaller particles, facilitating their digestion and absorption.

The action of enzymes depends on certain specific conditions, called optimal conditions. In the case of <u>amylase</u>, it depends on an optimum pH of 7 (neutral) and an optimum temperature of approximately 37 ° C.

This enzyme can still act between 35 ° C and 40 ° C, but below 35 ° C it is inactivated, preventing its functions from being performed, and above 40 ° C it suffers denaturation, causing changes in its structures.

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How can the dark fur of one mouse spread to a whole population?
kirill [66]
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How do microorganisms eliminate harmful material
djverab [1.8K]

Answer:

Microorganisms are very small, not visible with an eye, including bacteria, viruses, fungi, and parasites.

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Explanation:

You have bad microorganisms in the body, called pathogens. Pathogens can be very harmful and kill all the good cells in the host. That is why good microorganisms are important. They make colonies and protect the body from the development of pathogens that release toxins into the body.

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