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The quark composition of a deuterium nucleus is 3 up quarks and 3 down quarks.

Quarks are the most fundamental particles that make up the atomic nucleus. All solid matter that we know is made of three particles, which are the up and down quarks, 'u' and 'd', and the electron.

In this case we have that the composition of the quark in the nucleus will be 3 up quarks and 3 down quarks.

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A deuterium nucleus consists of one proton and one neutron. The quark composition of a deuterium nucleus is

A- 2 up quarks and one down quark

B- 2 up quarks and 4 down quarks

C- 3 up quarks and 3 down quarks

D -4 up quarks and 2 down quarks

The quark composition of a deuterium nucleus is  3 up quarks and 3 down quarks. Thus, option "C" is correct.

The quark composition of a deuterium nucleus is 3 up quarks and 3 down quarks. The overall charge of the deuterium nucleus is +1. Comparing the given overall charge to the chart of the Particles of the Standard  Model, the overall charge can be determined from the combinations of the choices.

Thus, option "C" is correct.

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Answer:

True

Explanation:

They protect you against illness and disease

Answer:

true! white blood cells fight for your body

Answer:

meiosis produce cell with half the chromosome to maintain genetic integrity in the offspring

Answer:

A. Synapse

Explanation:

The gap between two neurons is called synaptic gap, or synapse.The synapse is the space between the axon of one neuron and the dendrites of the next neuron in a nerve pathway.

Answer:

Synapse

Explanation:

Also known and a synaptic gap

Answer:

0.315 hectares

Explanation:

To get the answer, we use the area of a trapezium formula, which is ½ (a+b) h, where a and b are the parallel sides and h is the height.

So ½(90m+50m) 45m

½ × 140 × 45

70 × 45 = 3150m²

10000m²= 1hectare

3150m² = x

3150 ÷ 10000 = 0.315 hectares.

Answer:

circulatory system

Explanation:

carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin. Your nervous system controls all these activities with electrical impulses.

Answer:

B. Theater

Explanation:

Think about it. Would a dietician really work at an amusement park? That sounds ridiculous! If a dietician wouldn’t work at an amusement park, he or she would not work at a theater.

You’re welcome.

Respiration is the process in which food is oxidized to release energy. Complex organic compounds are converted into simpler ones, e.g glucose into CO2 water and energy released.

Breathe in, breathe out. The oxygen that got in lungs is absorbed into blood and carbon dioxide diffuses out of blood into lungs. That's gaseous exchange.

Gaseous exchange is the diffusion of gases from a region of higher concentration to a region of lower one. It is used for the exchange of oxygen and CO2 between organism and its environment.

While using that oxygen to breakdown food and generate energy particles is respiration.

Answer:

 Which of the following best describes the function of the human nervous system?

Explanation:

The nervous system collects and responds to information about the internal and external environment

Answer:no

Explanation: because it’s no

Answer:

The evidence for evolution

In this article, we'll examine the evidence for evolution on both macro and micro scales.

First, we'll look at several types of evidence (including physical and molecular features, geographical information, and fossils) that provide evidence for, and can allow us to reconstruct, macroevolutionary events.

At the end of the article, we'll finish by seeing how microevolution can be directly observed, as in the emergence of pesticide-resistant insects.

Unicellular organism are one celled but multicellular organisms are made up of many cells.

As the name suggests, unicellular organisms are made up of only one cell and this single cell carries out all the essential functions that are needed for the survival of the organism like respiration, photosynthesis etc.

But in multicellular organization, the organisms are made of more than one cells and cells are grouped according to their functions. Each group is specialized for specific functions. Even in higher multicellular organisms the group of cells form specific types of tissues and further they form organs and organ systems which function more efficiently.

Thus, this is the difference.

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Answer:

because the kansas was covered in water

Explanation:

Answer:

Kansas was covered in water

Explanation:

The nuclear envelope distinct the process of transcription and translation in the cell. It controls the release of mRNA from the nucleus through the biological process of transcription. Thus, the correct option is B.

A nuclear envelope may be characterized as a positively regulated membrane barrier that separates the nucleus from the cytoplasm in eukaryotic cells.

The process of transcription occurs inside the nucleus and transforms DNA into mRNA, while the process of translation occurs in the cytoplasm which transforms mRNA into specific proteins.

Therefore, it is well described above.

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Answer:

Your nervous system and endocrine system control body functions.

A protein which has many sulfhydryl (-sh) groups may exhibit disulfide bridges tertiary structure.

A disulfide bond is a covalent bond between two atoms of two (cysteine ​​side chains). Large polypeptide chains (more than 200 amino acids) fold and form domains.

Some proteins have disulfide bridges, which are inter-chain interconnections or between parts of a chain, formed by the oxidation of cysteine ​​radicals. Intracellular proteins generally lack disulfide bonds, while extracellular proteins often do.

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Answer:

D

Explanation:

Planarians are of the platyhelminthes.

Answer:

The citric acid cycle also known as the Krebs cycle or the TCA cycle is a series of chemical reactions to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.

Answer:

Strong hydrologic connections among terrestrial and inland aquatic realms exist in both river floodplains and dryland ecosystems. In the evolution of river floodplains terrestrial vegetation diversifies inland aquatic habitats, providing a range of colonization options for different organisms

Explanation:

The central dogma is the process of the formation of the protein from DNA. The polypeptide chains formed from mRNA are produced through translation. Thus, option a is correct.

The translation is the central dogma process that translates the transcripted mRNA copy into amino acids that interlink with peptide bonds to produce polypeptide chains. Translation occurs outside the nucleus.

The duplicated DNA undergoes transcription to produce an mRNA copy that gets transported to the ribosome that translates the mRNA with the help of the tRNA and rRNA to yield chains of amino acids that produce proteins.

Therefore, the mRNA is transported to the ribosome and gets translated to proteins through the process of translation.

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Surface runoff is increased by deforestation.

It refers to the removal of forest layers for non-forest-related projects.

Forest layers serve a variety of functions in the ecosystem, including reducing the rate of erosion or runoff by water.

Thus, removing forest layers will lead to an increase in the rate of runoffs in the ecosystem.

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The use of restriction enzymes is evidenced by the statement 'cut site mCYCF3E 685' (Option A).

The restriction enzymes are proteins (enzymes) that cut specific sites in the nucleotide sequence.

In this case, the enzyme cuts the gene mCYCF3E at the position number 685 (nucleotide base).

In conclusion, the use of restriction enzymes is evidenced by the statement 'cut site mCYCF3E 685' (Option A).

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Answer:

"Because Earth rotates as the air is moving, the winds in the Northern Hemisphere curve to the right and air in the Southern Hemisphere curves to the left. This phenomenon is called the Coriolis Effect and it's why the trade winds blow toward the west in both the Northern Hemisphere and Southern Hemisphere.."

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Answer:

There are 89 calories in 1 medium Red Delicious Apple.✨

Explanation:

How many calories are in a whole red apple?

89 Calories

Fat 0.3 g

Carbs 21.2 g

Fiber 3.5 g

Protein 0.4 g

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The pair that has its land cover with its most appropriate use is Forestland → lumber. That is option D.

Forestland is defined as the piece of land that is covered by tress of different sizes which can be used for timber and lumber purposes.

Therefore, the pair that has its land cover with its most appropriate use is Forestland → lumber.

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The function of the internal jugular vein is to collect blood from the skull, brain, superficial parts of the face, and the majority of the neck. The tributaries of the internal jugular include the inferior petrosal sinus, facial, lingual, pharyngeal, superior and middle thyroid, and, occasionally, the occipital vein.

(hoped this helped)

Answer:

bring blood from head and neck

Explanation:

Answer:0B

Explanation:it receives it through the umbilical cord