The quark composition of a deuterium nucleus is 3 up quarks and 3 down quarks.
What are 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.
What is the composition of quark?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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Did you understand what a control in an experiment was? meowsis
Answer:
A control in an experiment is a replica used to confirm that the results or changes in the dependent variable/s are caused by the independent variable values or treatments. There are different kinds of controls according to the experiment, for example, no treatment can be applied, or for example in laboratory experiments, there are controls to check that the reactives function properly, making a replica with them but without the sample that is being measured.
Explanation:
What is the genotype of the dad?
What is the genotype of the mom?
What is the genotype ratio among their children?
What is the phenotype ratio among their children?
Answer:
The genotype of the Dad must be X^AY because that's the only possible genotype for a normal male.
The genotype of the mom must be X^AX^a because that's the only way to have a colorblind son while being a normal mom. The colorblind son gets a Y from his dad and X^a from his mom.
The genotype ratio among the children must be 25% heterozygous dominant, 50% homozygous dominant, and 25% heterozygous recessive.
The phenotype ratio among the children must be 75% normal and 25% colorblind.
A population contains a lot of diversity in genetic traits.
What condition does this describe?
variation
competition
overproduction
differential reproduction
Please help! :)
What is the importance of having the US forest service, the Bureau of Land Managment, the US Fish and Wildlife service, and the National park service?
Answer:
It protects ecosystems, supervises public access of lands, and manages wilderness areas. It supervises public access of lands, manages wilderness areas, and enforces federal wildlife laws.
Answer: ooooooooooo
Explanation:
There is a variety of verbal and physical techniques for controlling and restraining animals . List some of the verbal and physical techniques that you use to restrain or control your pet or family pet at homeWhich techniques would you specifically use when you take your pet to a veterinarian and why?
The appropriate restraint is all about empathy, finesse, and technique. There is a problem with the utilized technique for that procedure on that animal for that day if it takes more than two individuals to really hold the animal during any process. The more participants there are, the more threatened the animal will feel and the easier it will be for someone to get hurt.
Why Proper Restraint Techniques used for pets?prevents harmrequired for tests and treatmentsA First Aid Kit should be ready for all bites and scrapes for the animal's and handler's comfort.The New York Department of Health must be notified of any animal bites.Dog Restraint & Handling:
Standing restraint
Put the forearm of one arm, while holding the dog's head, under its neck.To bring the animal closer to the handler, the second arm is wrapped around its body.Useful on a table or the floorUse
Exams in generalRetrieval of SpecimensCut NailsSitting Restraint
The same method as the standing restraint, but with the dog sitting
To stop a dog from backing up, it can be against a wall.
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The opossum which is native to north america and the kangaroo
Answer:
The opossum, which is native to North America, and the kangaroo, which is native to Australia, are both marsupials.
A scientist is studying an aquarium ecosystem that contains water, plants, and fish that eat those plants. The aquarium has glass walls so light can get in, but it is sealed so no material can move into or out of the tank. When the scientist turned the aquarium's light on, carbon dioxide in the water started decreasing. How is carbon moving and what is happening to the amount of carbon in the living things inside the aquarium? Explain your thinking as completely as possible.
PLEASE PLEASE PLEASE CAN SOMEONE HELP ME WITH THIS QUESTION!!!
IT'S DUE IN LESS THAN 15 MINUTES
Carbon moving and what is happening to the amount of carbon in the living things inside the aquarium is by photosynthesis.
What is aquarium?
An aquarium (plural aquariums or aquaria) is a vivarium, usually contained in a clear-sided container (typically constructed of glass or high-strength plastic) in which water-dwelling plants and animals (usually fish).
According to this question, the aquarium contains water, plants and fish. The glass of the aquarium is transparent and allows the passage of light. Plants are unique set of organisms that have the ability to produce their own food (organic molecule) using the energy from light which they absorb via the Chlorophyll pigment in their Chloroplast. This process carried out by plants is called PHOTOSYNTHESIS.
The amount of carbon in form of carbondioxide (CO2) decreases when the light was switched on in the aquarium due to the process of photosynthesis carried out by the plants.
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Electrons have a small negative charge.
True
False
true
Explanation:
Electrons have a negitive, while protons have a positive change. protons and electrons have the same size, theybare just opposite. hope this helps!
Answer:
True
Explanation:
Electrons negative, Protons Positive.
The organisms in the diagram below represent an energy pyramid. Which of the following best explains why the number of organisms at each level decreases while moving up the energy pyramid? A. The animals at higher levels are more competitive, so fewer animals survive. B. The animals at higher levels move more than the animals at lower levels, so they require more energy. C. The animals at each level use energy, so only a small amount of their energy is available to the next level. D. The animals at each level have more predators, so they produce more offspring.
Answer:
option #3
Explanation:
each tropic level gets only 10% of the energy from the thing it eats because that organism uses loses energy when it moves or by heat.
Which pollutant is a constituent of soot? a. methane b. black carbon c. hfcs d. pops e. tropospheric ozone
The pollutant that constitutes soot is black carbon. Details about soot can be found below.
What is soot?Soot is a fine black or dull brown particles of amorphous carbon and tar, produced by the incomplete combustion of coal.
Based on the above definition of soot, it suggests that carbon is a major constituent.
Soot is an environmental pollutant that causes harm when inhaled by biotic components of the environment.
Therefore, the pollutant that constitutes soot is black carbon.
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Cyanobacteria have been engineered to produce isobutanol directly. what advantage does this have over other alternative biofuels? a. it is an inherently renewable fuel source. b. multiple processing steps can be avoided. c. they produce chemical energy through photosynthesis. d. they make a biofuel alternative to gasoline. please select the best answer from the choices provided a b c d
Answer:
B
Explanation:
The advantage of cyanobacteria over alternate biofuels is that multiple processing steps can be avoided.
Cyanodiesel, a byproduct of cyanobacteria, has unlimited growth potential and are used in various fields of biotechnology.
Benefits of Cyanobacteria-derived fuels ?⇒ Transform solar energy into chemical energy by the process of photosynthesis
⇒ Fixing of atmospheric nitrogen, helping in the increase of soil fertility
⇒ Widespread applications in pharmaceuticals and agriculture
The advantage of cyanobacteria to produce isobutanol over alternate biofuels is that multiple processing steps required in biofuel production from other sources can be avoided. So option B is correct.
How are cyanobacteria useful in producing isobutanol?Cyanobacteria are recently been engineered to produce a variety of chemicals, such as ethanol, Isobutanol, and Isoprene, directly from solar energy, carbon dioxide, and water. This makes cyanobacterium a potential new cell factory for the production of energy and chemicals to meet global energy and climate change challenges.
Synthetic cyanobacteria are engineered through heterologous biosynthesis to create value-added chemicals through photosynthesis. Several chemicals have been successfully generated in synthetic cyanobacteria.
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_____________________and ______________________are primary lymphoid organs while the _____________________and _______________________are secondary lymphoid organs.
Answer:
Primary lymphoid organs: the bone marrow and the thymus
secondary lymphoid organs: adenoids tonsils spleen
Fill in the blanks.
Question 1:
_______or _____ ___ lines in layers of rock indicate that rock is ______________. There is __ ______ in the geologic record.
Question 2:
In order for an _______________ to separate rock layers, the layers must have __________ __________ already. Intrusions are always __________ than the layers they cut through.
Question 3:
The youngest rock layers are on __________ and the oldest are on the ______________
The youngest layer present on the top whereas the oldest layer is present at the bottom.
Which layer is youngest or oldest?Quartz or calcite lines in layers of rock indicate that rock has minerals.
The youngest rock layers are present on the upper while on the other hand, the oldest are present on the bottom side because new layers are formed when there more sediments deposited on the layer.
So we can conclude that the youngest layer present on the top whereas the oldest layer is present at the bottom.
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who discovered mma disease
Answer:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5982627/
Explanation:
Please help if you can!!
part d
changes in ecosystems can be attributed to natural causes, such as natural disasters, seasonal variations in climate, currents, and tidal activity. many of these changes can affect the amount of food
resources available in an ecosystem. research one natural change that currently affects or could affect
the aquatic ecosystem you chose. use your food web model to explain how this change can affect the
competition of food resources in your aquatic ecosystem.
the ecosystem that i made my food web model after was the san francisco bay!!
A natural change that currently affects or may affect the aquatic ecosystem of the bay of san francisco is the warming of the waters due to global warming and rising river levels.
What happens to water in global warming?As a result of global warming and the increase in the emission of greenhouse gases, the heat retained in the atmosphere ends up being stored in the oceans, affecting the temperature and circulation of water, in addition to accelerating the process of melting of the polar ice caps.
With this information, we can conclude that a natural change that currently affects or may affect the aquatic ecosystem of the bay of san francisco is the warming of the waters due to global warming and rising river levels.
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I need help with this.
Answer:
A trench would be formed, a ridge would develop, magma would be released and the crust would separate.
Explanation:
Look at the picture and try to identify the process. Once you have identified the process, think of the landforms formed and what processes are involved. The phrase "seafloor spreading" in the question tells us that this is an oceanic divergence process.
When two oceanic plates diverge (move apart), tensional forces are exerted. Fractures may occur (faulting) near the plate boundary. Magma rises at the zone of divergence (a large fracture between the two plates). It solidifies and builds up to form a mid-oceanic ridge, a central ridge dividing the ocean basin. The cooled magma forms a new sea floor between the diverging plates (sea floor spreading).
For your info, I only gave you the explanations for the options chosen and there are actually more landforms and processes that occur in oceanic divergence. If you want the full explanation of the entire process, let me know.
I need help. The class of macromolecule that would most likely be involved in contracting muscles would be ?
The structurelabeled two represents in molecule of ?
Answer:
tRNA
Explanation:
the transfer RNA is an RNA molecule that serves as a link between the mRNA and the growing amino acid chain that forms a protein.
PLEASE HURRY! Pre-lab: When viewing nodule cells through a microscope, how can we determine which cells are infected with bacteria?
Question 6 options:
A. The cells that are larger are infected.
B. The cells that are smaller are infected.
C. The infected cells may be pink.
D. The infected cells will be colorless.
Both A and C
Both B and D
When viewing nodule cells through a microscope,cells that are infected with bacteria will be larger and may be pink; both options A and C.
What are signs of infections?The signs of infection by a disease-causing organisms in another organism include inflammation, and a change in the coloration of that organism.
An infection of root nodules will be indicated by swelling and change in coloration.
Therefore, when viewing nodule cells through a microscope, cells that are infected with bacteria will be larger and may be pink.
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Hemophilia is an inherited disease.
True
False
Answer:
inherited in an X-linked recessive manner, so I believe so
Explanation:
Answer: True
Explanation: Hemophilia is usually an inherited bleeding disorder in which the blood does not clot properly.
how do density and convection current cause movement on earth?
What would you expect to happen to your Expiratory Reserve Volume when you are treading water in a lake
The Expiratory Reserve Volume will decrease when an individual is treading water in a lake.
What is Expiratory Reserve Volume?Expiratory Reserve Volume, ERV, is the additional volume of air which can be forcefully expired with maximum extra effort beyond the volume that can be expired in normal expiration.
ERV normally decreases with exercise.
Therefore, the Expiratory Reserve Volume will decrease when an individual is treading water in a lake.
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List and describe the five kingdoms of life. Who developed this system? What is the basis for the divisions? Why is it important to the study of biology?
Answer:
Living things are divided into five kingdoms: animal, plant, fungi, protist and monera. Living things are divided into five kingdoms: animal, plant, fungi, protist and monera.
Why would a civilization choose to live near a river that regularly floods?
o a. the flooding provides extra water for drinking.
o b. flooded rivers have more fish than other rivers.
o c. rivers carve out extra land along the banks after floods.
d. rivers leave fertile soil along their banks after floods.
Rivers with regularly floods leaves fertile soil along their banks which is why a civilization will choose to live near there.
What is Fertile?
This is defined as the ability of land to produce crops and vegetation in abundant quantities.
Flooding washes minerals and humus to the bank of rivers which favors growth of plants which is why option D was chosen.
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The primary site of lipid digestion and absorption is the.
Answer:
The small intestine
Explanation:
trust me
An enzyme and four different molecules are
shown in the diagram below.
Enzyme
The enzyme would
most likely affect
reactions involving
a
A
B C D
Molecules
A molecule A, only
B molecule C, only
C molecules B and D
D molecules A and C
The question is incomplete but I attached the diagram here and it is likely that the enzyme affects reactions involving molecule C.
What is a chemical reaction?A chemical reaction is a process where molecules called reactants are converted into products.
An enzyme is a biological catalyst that shows specificity on one reactant, whereas molecules can be either reactants or products.
Enzymes are proteins that act as biological catalysts by speeding up the velocity of a chemical reaction.
In conclusion, the question is incomplete, but I attached the diagram and it is likely that the enzyme affects reactions involving molecule C..
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a. Create a data table to compare and contrast the physical features of the three skeletons.
b. Put them in order of oldest to most recent. Write down the inferences you made to decide upon the chronological order of these
skeletons in evolutionary history.
c. Provide at least 2 pieces of evidence that support the order you determined for the 3 skeletons.
According to the images, it can be concluded that the organization of the skeletons from the oldest to the most recent is C, A and B, because they show human evolution.
How are skeletons organized and why?The skeletons are organized chronologically from the oldest to the most recent as follows: C, A and B. This organization is due to the fact that some particular characteristics are evident in each of them, such as:
In skeleton C, it is the oldest because it has a tail and its position is quadrupedal, it can be related to the primates from which the human emerged.Skeleton A is the intermediate point between the primate and the human, it maintains a quadrupedal position but more upright and no longer has a tail.Skeleton B is the most recent example of a skeleton because it already walks completely upright and its morphology is the most similar to that of a contemporary human.Learn more about skeletons in: https://brainly.com/question/14446520
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According to these data, the unknown bacterial
species is most closely related to
1) species l
2) species ll
3) species lll
4) species lV
Answer:
4
Explanation:
species IV
Latest advancements in the field of biotechnology.How it contributed to welfare of mankind?
Explanation:
Like all technologies, biotechnology offers the potential of enormous benefit but also potential risks.
Biotechnology could help address many global problems, such as climate change, an aging society, food security, energy security and infectious diseases, to name just a few.
Our council intends to build a map of these global problems, which will show which biotechnologies could help with each global challenge. To do that, we will also take into consideration a realistic timeline, potential risks involved and other factors. Hopefully, the result will be a state-of-the-art biotechnology vision report that includes not only policy suggestions but also in depth information for both experts and the public.
The latest advancements in the field of biotechnology contributed to the welfare of mankind by alleviating hunger and remedying diseases.
What is biotechnology?Biotechnology refers to all human applications based on biological systems that can be used to solve a given problem.
Biotechnology helped to alleviate hunger in the world by developing crops that are resistant to drought and pests.
In conclusion, the latest advancements in the field of biotechnology contributed to the welfare of mankind by alleviating hunger and remedying diseases.
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What are these answers?
Answer:
Plasma membrane- outer boundary of the cell
Nucleus- houses DNA/control center of the cell
Ribosome- cellular structure where proteins are made
Cytoplasm- interior of a cell that maintains cells and shape and contains organelles
Mitochondria- power house of the cell
Chloroplast- organelle found only in plant cell (because it is used for photosynthesis)
Flagellum- hair like structure that enables cell movement