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Natali5045456 [20]
3 years ago
11

what happens when atoms of elements combine by sharing electrons or by the complete transfer of electrons from one atom to anoth

er?

Biology
1 answer:
Len [333]3 years ago
3 0
They create a different substance because on the periodic table each substance has a certain amount of protons and if you add or take away protons and/or electrons it will create a different substance. For Example Nickel has 28 protons but if you add 2 more you get zinc and that has 30 protons. Another Example is
what if you have Titanium which has 22 protons and take away 2 you get Calcium which has 20 protons.

<u><em>ps: The periodic table is attached as a picture to this answer
</em></u>"AB84"

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Forms of the Ras protein found in tumors usually cause which of the following events to occur? excessive cell division decreased
Bas_tet [7]

The Ras protein found in tumors usually cause which of the following events to occur excessive cell division.

<h3>How does Ras oncogene contribute to cancer?</h3>

Ras genes codes for proteins that can drive cancer when mutated.

All Ras proteins are GTPases which work as molecular regulators in the cell, controlling signaling pathways and other interactions.

Thus, option "A" is correct.

To learn more about Ras protein click here:

brainly.com/question/14994384

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4 0
2 years ago
The action of bacterial enzymes on fiber in the large intestine results in the _____.
Zanzabum

The correct answer is b. Release of short-chain fatty acids.

The intestinal microflora is complex ecosystem which contains over 400 bacterial species.That microflora is  capable of fermenting indigestible carbohydrates (dietary fiber) to short-chain fatty acids such as acetate, propionate, and butyrate.


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3 years ago
How are food chains and food webs and food webs similar? How are they different?
tatuchka [14]
They all go through a rotation in which one needs another
4 0
3 years ago
The scientific attitude of skepticism is based on the belief that
denis-greek [22]

Answer:

Questions, hypotheses, and ideas should be tested against observable evidence.

Explanation:

Skepticism is extremely important, if not fundamental, in all areas of Science. This attitude is based on the belief that all questions, hypotheses, and ideas should be tested against observable evidence. Moreover, it allows scientists to <u>question and think thoroughly about all possibilities behind a phenomenon, instead of just 'believing' any observation or vague and non-supported reason that explains it.</u>

In addition, it allows researchers to investigate all possibilities and test numerous methodologies to be certain and gather enough evidence to explain this certain phenomenon.

6 0
3 years ago
WILL GET BRAINLIEST!!!
ICE Princess25 [194]

Answer:

<em>1. The characteristic thing about </em><em>adult frog breathing</em><em> is that </em><em>drawing in air by lowering their mouth floor</em><em> (option d).</em>

<em>2. The substance released by the </em><em>lung secretory cells </em><em>is the </em><em>surfactant </em><em>(option c).</em>

<em>3. The main divisions of the </em><em>peripheral nervous system</em><em> are the </em><em>somatic and autonomic systems</em><em>.</em>

Explanation:

<h3>1. Breathing of the adult frog</h3>

The adult frog - while out of the water - uses a nasal breath, propelling air into its throat and oral cavity. The air content in the frog's mouth causes the internal pressure of the cavity to increase, and the floor of the mouth is modified to allow the passage of air to the lungs.

Under water, the frog's breath is cutaneous, that is, through its skin.

Adult frogs do not have gills or respiratory muscles.

<h3 /><h3>2. Pulmonary surfactant </h3>

Pulmonary surfactant is a substance produced and secreted by the pulmonary epithelium, specifically by type II pneumonocytes. The function of the surfactant is to keep the pulmonary alveoli open to allow gas exchange.

The surfactant is a substance of a lipidic and proteic nature that helps reduce the surface tension of the water, which in the socket prevents closure when the air is exhaled.

Another function is to prevent the germs - viruses and bacteria - present in the air from passing from the alveolus to the bloodstream.

<h3 /><h3>3. Divisions of the peripheral nervous system</h3>

The peripheral nervous system is dependent on the central nervous system and is made up of all the nerves that go to each of the tissues and organs of the body. It is divided into somatic and autonomic nervous systems.

  1. <u>Somatic nervous system</u> is composed of nerves that drive nerve impulses to skeletal muscles, being predominantly voluntary. The involuntary response in this system is due to the existence of reflex arcs, whose center of integration is the spinal cord.
  2. <u>Autonomic nervous system</u> is responsible for the innervation of coughs the internal organs, allowing their function under the coordination of the central nervous system. It is an involuntary system and is subdivided into sympathetic and parasympathetic systems.

The integration of both systems, somatic and autonomic, allows a body to perform all its functions, including the function of relationship, alertness and maintenance of organic homeostasis.

Learn more:

Frog breath brainly.com/question/1341903

Pulmonary surfactant brainly.com/question/7303958

Central and peripheral nervous systems brainly.com/question/2156614

5 0
3 years ago
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