Answer: 16 neutrons
Explanation:
Mass-atomic number
31-15=16
why is there a good prospect for fruit nursery farming in Nepal
Answer:
➢ A place where young plants are produced through different ways is called a nursery. The main work of nursery is to supply young plants and seeds for cultivation purpose for both fruits and vegetables. A nursery might be big or small depending on the types of plants one wish to grow.
Explanation:
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Why does water expand
Answer:
this happens when it freezes
Explanation:
When water freezes, its molecules get arranged in a crystalline structure, thereby attaining a defined shape. This crystalline structure is less dense, and since there are gaps between individual molecules in the structure, the overall volume increases and water expands
Answer:
Water expands as it freezes because water molecules are very loosely bound. They are arranged in a hexagonal pattern inside of the ice. As the temperature lowers, the molecules move slower, which causes them to get closer together.
Explanation:
In what way are chloroplast and mitochondria similar ?
Answer:
Both have many layers of mebranes, Both contain molecules of chlorophyll, both are found in the cells of consumers
Explanation:
I don't know if this is the answer you were looking for but I hope it helps
5. A sea otter's muscle cells produce heat that keeps the otter warm. Explain how at least two structures inside a cell work
together as part of this process.
The two structures in Sea otters which work together as part of this
process include the following:
MitochondrionAdipose tissueWhat is Mitochondria?This is regarded as the power house of the cell in which ATP is generated
for distribution to other parts of the cells.
Sea otters have adipose tissues which are thick as a result of the presence
of fat. The mitochondrion in this animal is leaky and energy is easily
released in the form of heat even when the animal isn't performing any
activity.
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A human bone marrow cell in the prophase stage of mitosis contains 46 chromosomes. Therefore, there are a total of __________ sister chromatids in this cell.
a. 23.
b. 46.
c. 23 or 46, depending on whether you look at the beginning or end of prophase.
d. 46 or 92, depending on the portion of prophase examined.
e. 92.
Answer:
The answer is 92 which is E
Explanation:
Because I said so
Look at the way honeycreepers evolved. If a new species of honeycreeper were discovered, and it had a short, straight beak, which bird in this puzzle would likely be its closest living relative?.
The bird in this puzzle which would likely be its closest living relative is the Po'ouli.
What is Poʻooull?
This is regarded as the black-faced honeycreeper which is also an extinct species as a result of habitat damage in Hawaii.
This bird is a species of the honeycreeper with a characteristic black face, short, straight beak which is why it was chosen as the most appropriate choice.
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suzanne has type a- blood. which blood type could she receive
Answer:
Only O- and A-
If a molecule of DNA is 22% guanine, what is the approximate percentage of thymine?
Answer: It would be approximately 22% thymine.
Use what you learned about the characteristics of air to choose the correct answers from the drop-down menus. Density is the amount of mass in a certain. Air results from a column of air pushing on an area. A measure of how tightly air molecules are packed together is called.
An invisible mixture constituting of gases present in the spheres of the planet is called air. The blanks about air are volume, pressure and density.
What is the density and volume of air?Density is the amount of the mass it can stand within a specified volume and is given as,
[tex]\rm density = \dfrac{mass}{volume}[/tex]
Air moving in a column occupied by a specific mass and volume exerts some pressure called air pressure. The amount of air occupied in a tube or any other thing is called volume and is defined by the packaging of the molecules.
Therefore, the blanks are volume, pressure and density.
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Answer:
Volume, Pressure, Density
Explanation:
Completed the assignment on edge
Summarize your first NASA spinoff technology in the answer space. Use the Insert Image button to add an image file.
One of the first interesting NASA Spinoff Technology is the Drill Bits that are able to break off and retain rock samples. They are then collected on Perseverance and flown to earth for the use of geologists.
What is NASA Spinoff Technology?This is a publication from the National Aeronautics and Space Administration that shows the technology used by NASA to the public.
NASA has shown about fifty technologies each year since 1976 in this annual publication.
See the link below to learn more about NASA:
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The combination of dna and proteins that forms visible chromosomes during cell division is called.
DNA and proteins are the basis of the inheritance that passes from generation. The visible protein and DNA during cell replication are called chromatin.
What is chromatin?Chromatin has been defined as the structures that have been constituted of the DNA, RNA, and proteins that get packed and form the chromosomes. It is one of the levels of the organization of the genetic material.
It allows the denser and closed packaging of the genetic material that looks like the chromosomes in the nucleus of the cell. The chromatin is formed by condensation of the chromosomes that look like long thread-like structures.
Therefore, chromatin is the visible chromosome that is constituted of the proteins and DNA that are seen during the phase of cell division.
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What percent is equal to the decimal 0 2?
A. O 0.002%
B. 0.02%
C. 02%
D. O 20%
If someone answer this I will give them brainlylist if they answer this only two people or more.
Answer: D. 0.20%
Explanation: since a percentage is the same as a hundredth and 100% is the same as one:
Explanation:
0.2× 100% = 0.2 ×1 00 % = 20%
1 1
Water makes up a large percentage of the body's cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The movement of water from an area of high concentration to low concentration is?
Answer:
no. the movement of water is from an area of low concentration to high concentration.
Describe how glucose gets to a cell in a muscle using digestion and human circulatory system
i need this nowwwwwww
Answer:
Carbon dioxide is composed of one carbon atom covalently bonded to two oxygen atoms. It is a gas (at standard temperature and pressure) that is exhaled by animals and utilized by plants during photosynthesis. Carbon dioxide, CO2, is a chemical compound composed of two oxygen atoms and one carbon atom.
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What is the new mRNA codon
Answer:
Explanation:
Each group of three bases in mRNA constitutes a codon, and each codon specifies a particular amino acid (hence, it is a triplet code). The mRNA sequence is thus used as a template to assemble—in order—the chain of amino acids that form a protein.
help me pleaseee! hurry
Answer:
B.
Explanation:
Raising water level makes it easier to flood
Which characteristic distinguishes echinoderms from the other two deuterostome lineages?.
Answer:
radial symmetry
Their body plan
Explanation:
What effects are produced by an enzyme on the general reaction?.
Answer:
Enzymes are the protein molecules that act as a catalyst in a reaction. It makes the reaction faster by increasing its rate of reaction by *lowering the activation energy of the reaction*. It acts on the substrate molecules by binding them at the active site and convert them into products.
Explanation:
Help!!!
If the pH of the soil is not correct, how would the ecosystem be affected?
A. Water will not drain properly through the soil.
B. Nutrients will not be absorbed by plants.
C. The soil will not support the root systems of plants.
D. The soil will contain no topsoil or humus.
Answer:
I think the answer is B
Explanation:
If the pH is off then the plants won't be able to grow properly in the soil. It will still contain topsoil or humus. A and C would be wrong because that isn't about the soil pH.
The type of enzymatic regulation in which a substrate molecule binds to an enyzme thereby enhancing the catalytic activity of that enzyme is called.
The type of enzymatic regulation in which a substrate molecule binds to an enzyme enhancing the catalytic activity of that enzyme is called COOPERATIVITY. It increases enzymatic activity.
What is an enzyme?An enzyme is a protein that acts to lower the activation energy of a chemical reaction.
An enzyme has a specific catalytic activity, thereby shaping the conversion rate of reactants (substrates) to products.
Cooperativity occurs when a substrate binds to an enzyme and it enhances the catalytic activity of the enzyme.
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There are two potential sources for a person to acquire methanol, what are they
Answer:
The two most important sources of background body burdens for methanol and formate are diet and metabolic processes. Methanol is available in the diet principally from fresh fruits and vegetables, fruit juices ... fermented beverages ... and diet foods (principally soft drinks).
Explanation:
I need help filling this pdf please. I've looked up tutorials because the link my teacher gave was wrong but also the pdf I got was a newer version.
Explanation:
maybe this might be of some help?
In a person with a disease in which the mitochondria do not produce enough energy for the cell, which organs would be the most severely affected
The heart would be one of the most affected organs if the mitochondria do not produce enough energy, since this organ requires a lot of energy, so any supply failure leads to heart failure and contraction failure.
What are mitochondria?They are the cellular structures responsible for supplying most of the energy necessary for cellular activity.
Characteristics of mitochondriaThey produce energy from the metabolism of organic fuels such as sugars, lipids (fatty acids) and amino acids.Insufficient energy production by the mitochondria causes dilated cardiomyopathy, where the heart undergoes significant dilation and loses the force of contraction.Therefore, we can conclude that a defect in a mitochondrial process involved in energy production would affect heart cells causing dilated cardiomyopathy, heart failure.
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2. Explain why photosynthesis is needed for respiration and vice versa. Provide a
specific example to support your answer.
Answer:
Explanation:
Photosynthesis uses carbon dioxide to create oxygen in the atmosphere. Oxygen is what we breathe. We do a process called cellular respiration. This means we breathe in oxygen and breathe out carbon dioxide. Plants use this carbon dioxide to do photosynthesis. It is a never-ending cycle.
For example, a bunny breathes out carbon dioxide. The plant takes carbon dioxide in and gives out oxygen. The bunny breathes in the oxygen and then again breathes out the carbon dioxide.
Degranulation ____________ hemostasis. First, ____________ spasm constricts the broken blood vessel, reducing hemorrhage. There are ____________ hemostatic mechanisms. ____________ finishes the process by clotting the blood and protecting the body from excess blood loss. In platelet plug formation, a large mass of platelets ____________ and undergo degranulation.
The Answers to your questions are as listed below
Degranulation promotes hemostasis, First, Vascular spasm constricts, There are Three hemostatic mechanisms, Coagulation finishes the process by clotting the blood, A large mass of platelets aggregate and undergo degranulation
Hemostatic mechanismsThe three hemostatic mechanisms that are :
Constriction of blood vessels Formation of temporary hemostatic plugFormation of definitive hemostatic plug from temporaryHemostasis is the body's natural reaction to an injury sustained whereby the body tries to stop the injured part from bleeding and naturally repairs the injured part of the body.
Hence we can conclude that the answers to your question are as listed above.
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Select all the correct answers. Which three of the following are examples of adaptations for an animal that lives in a snowbound region? dense hair all over the body to protect from cold dark fur to camouflage from predators a thick layer of fat to insulate the body padded feet to walk through snow large ears to increase heat loss.
Examples of adaptations for an animal that lives in a snowbound region include:
dense haira thick layer of fatpadded feet What is evolution?The term evolution makes reference to descendence with modification, which happens due to natural selection.
Natural selection refers to the differential survival and reproduction of organisms that live in particular environments.Adaptations are specific phenotypic traits that usually emerge by natural selection and enhance the fitness of an organism.In conclusion, examples of adaptations for an animal that lives in a snowbound region include dense hair to protect from cold, a thick layer of fat to insulate the body and padded feet to walk through the snow.
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The three adaptations for an animal that lives in a snowbound region are dense hair all over the body to protect from cold, a thick layer of fat to insulate the body, and padded feet to walk through the snow. Therefore, the correct statements are option A, option C, and option D.
What are the adaptations for an animal that lives in a snowbound region?Animals that live in snowbound regions adapt to survive in cold temperatures. Dense hair all over the body keeps the animal warm. A thick layer of fat insulates the body, which protects them in colder temperatures.
Padded feet are also an adaptation to enable animals to walk through the snow without expending too much energy. Adaptations for living in snowbound regions involve insulation, energy conservation, and mobility in the snowy terrain.
Therefore, dense hair all over the body to protect from cold, a thick layer of fat to insulate the body, and padded feet to walk through snow are the adaptation for an animal that lives in a snowbound region.
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Lipoproteins like LDL and HDL transport lipids and proteins through the blood stream. Receptors on cells can bind to the lipoproteins and remove them from the blood. How does a cell take in a lipoprotein?
Answer:
i think by their lipids i dont know exactly
True or false: The somatosensory association area can tell the difference between the feel of a marble and a coin because those texture and shape differences have been previously stored.
A cross section of a flower is shown below:
What are the parts and primary function of the male reproductive organ?
Question 1 options:
the stigma and ovary, the ovary produces ova
the stigma and style, the stigma produces pollen
the anther and filament, the anther produces pollen
the anther and filament, the filament produces ova
The anther and filament, the anther produces pollen. They are the parts of the male reproductive organ in a flower.
What are the male parts of the flowers?The flower can be considered as the reproductive structure of flowering plants.
The anther and filaments represent the male structures of a flower, which may also contain female structures.
The stamen can be considered as the male reproductive organ because this structure is responsible for producing pollen which contains germinal cells in a flower.
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