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lisov135 [29]
3 years ago
8

The element fluorine's outermost energy level can hold eight electrons. Study the diagram of fluorine, and then determine if the

following statement is true or false. If true,choose TRUE. If false, choose the rewording that is true. Fluorine's outermost energy level is filled, so fluorine is in its most stable state. A fluorine atom showing the electrons in each energy level. The first level has 2 electrons, and the second has 7.
Biology
1 answer:
Bingel [31]3 years ago
3 0
<h2>The answer is False</h2>

Explanation:

  • Fluorine is a Chemical element. Its symbol is F. Its atomic number is 9. Fluorine is a lightest in nature. It is a diatomic pale yellow gas.
  • Except helium, neon and argon, fluorine is highly reactive to react with other elements.
  • The reason for it is false, because the outermost energy level of fluorine is not filled.
  • Fluorine becomes stable, when it forms an ionic bond with another atom.
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Analyze the data about nitrogenous base content of DNA from various species. Percentages of Bases in Five Organisms Source of DN
Troyanec [42]

Answer:

When analyzing data on the nitrogenous base content of the DNA of various species, the claims are supported by the data:

  • <em>In any one species, the amount of adenine closely approximates that of thymine.  </em>
  • <em>In any one species, the amount of guanine closely approximates that of cytosine.  </em>
  • <em>The amounts of A, T, G, and C in DNA varies from species to species. </em>

<em>(options A, B and D)</em>

Explanation:

Organizing the data has to:

<u>Source of DNA      A            T            G            C </u>

Streptococcus    29.8       31.6        20.5       18.0

Yeast                   31.3        32.9       18.7         17.1

Herring                27.8       27.5       22.2       22.6

Human                30.9       29.4       19.9        19.8

E. Coli                  24.7       23.6        26.0      25.7

DNA is the molecule that contains the genetic information of each species, formed by sequences of nitrogenous bases Adenine, Thymine, Cytosine and Guanine.

Since Adenine and Thymine -as well as Cytosine and Guanina- are complementary, the percentage of them will be very similar in each DNA molecule.

The genetic information -which determines the physical and functional characteristics of each organism- is encoded in the DNA and is different for each species, so the percentages of nitrogenous bases vary from species to species.

5 0
3 years ago
In a simple synapse, neurotransmitter chemicals are received by _______. A. the presynaptic membrane B. dendrites C. axon hilloc
artcher [175]

Answer:

In a simple synapse, neurotransmitter chemicals are received by the postsynaptic neuron.

Explanation:

The presynaptic membrane is where neurotransmitters are generated, whereas the postsynaptic membrane is where the neurotransmitter receptors have been located. The axon terminal is substantially far more structurally complicated at a neuromuscular junction.

Axon Hillock performs administrative duties by adding up all incoming signals, including inhibitory and stimulating. The action potential gets activated if this total surpasses the limiting threshold.

The neuron's cell body controls the structure of the neuron, houses its genetic material, and supplies energy for its various functions. Additionally, the dendrites' receiving information is processed by the cell body.

Dendrites gather and retain all data coming from the terminal of the axon. Dendrites get any incoming data or signals from the other neuron.

You can also get more information from the following link:

brainly.com/question/17013128

#SPJ4

8 0
1 year ago
Which statement is NOT true? A) Chicken pox is a lytic virus when it is causing sores. B) Chicken pox is a lysogenic virus when
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C <span>Antibiotics could cure chicken pox sooner than 7 days, since it is a virus</span>
4 0
4 years ago
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There are three major groups of mammals, categorized on the basis of their _____. see concept 34.6 ( page 739)
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<span>There are three major groups of mammals, categorized on the basis of their method of reproduction. Monotremes lay eggs to have children instead of having the mother bear them. The second type of mammal is the marsupial, which are non-placental animals who carry their young in their pouches. Eutherians are the third group who are placental mammals.</span>
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3 years ago
3. The diversity of organisms present on Earth is the result of--
alexgriva [62]
A. Ecosystem stability
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