Which of the following subatomic particles are NOT found in the nucleus of an atom?
A. Electrons
B. Protons
C. Neutrons
D. They are all found in the Nucleus

Answers

Answer 1
Electrons is not found in the nucleus of an atom

Related Questions

3. The human body has devised an excellent method to keep the body pH under control. a. What principle underlies the constant pH of human blood, and how does the blood achieve this

Answers


The normal blood pH for adult humans is 7.40, and this pH value is vigorously defended at normal body temperature

Acid base Homeostasis is the method by which body keeps a constant ph
pH is kept under check via different systems
1. Chemical system :bicarbonate buffer system(explained below )
Respiratory component :
2. Respiratory Component: The second line of dense is rapid consisting of the control the carbonic acid concentration in the ECF by changing the rate and depth of breathing by hyperventilation or hypoventilation. This blows off or retains carbon dioxide (and thus carbonic acid) in the blood plasma as required

3.Metabolic component : third line of defense is slow, best measured by the base excess,eand mostly depends on the renal system which can add or remove bicarbonate ions to or from the ECF.Bicarbonate ions are derived from metabolic carbon dioxide which is enzymatically converted to carbonic acid in the renal tubular cells.There, carbonic acid spontaneously dissociates into hydrogen ions and bicarbonate ions.When the pH in the ECF falls, hydrogen ions are excreted into urine, while bicarbonate ions are secreted into blood plasma, causing the plasma pH to rise.The converse happens if the pH in the ECF tends to rise: bicarbonate ions are then excreted into the urine and hydrogen ions into the blood plasma.




Buffers usually consist of a weak acid and its conjugate base; this enables them to readily absorb excess H+ or OH–, keeping the system’s pH within a narrow range.

Maintaining a constant blood pH is critical to a person’s well-being. The buffer that maintains the pH of human blood involves carbonic acid (H2CO3), bicarbonate ion (HCO3–), and carbon dioxide (CO2). When bicarbonate ions combine with free hydrogen ions and become carbonic acid, hydrogen ions are removed, moderating pH changes. Similarly, excess carbonic acid can be converted into carbon dioxide gas and exhaled through the lungs; this prevents too many free hydrogen ions from building up in the blood and dangerously reducing its pH; likewise, if too much OH– is introduced into the system, carbonic acid will combine with it to create bicarbonate, lowering the pH.
Example: Antacids, which combat excess stomach acid, are another example of buffers.


ECF =Extra cellular fluid




What is transdifferentiation?

Answers

Answer:

a rare transformation of cells other than stem cells into different cell type

Answer:

the rare natural transformation of cells othwr than stem cells into a diffrent cell type

NEED HELP ASAP PLS !!

Deforestation is the cutting down of forests to use as building materials or to clear the land for urban development or farming. Scientists worry that deforestation is one of the leading causes of increased COz in the atmosphere, potentially accelerating global climate change. Which of the following is a valid reason that CO, in the atmosphere would increase due to deforestation?

A)The rate of photosynthesis woud decrease.

B)The rate of decomposition would increase.

C)The rate of combustion would decrease.

D)The rate of cellular respiration would increase.

NEED HELP ASAP PLS !!Deforestation is the cutting down of forests to use as building materials or to

Answers

Answer: (A

Explanation:

Photosynthesis takes C02 out of the air, meaning that less trees = less photosynthesis = more C02

Lipids have a polar "head" and a non-polar a non polar "tail", which makes them:

A bord with water.
B. amphipathic
C useless for cell membranes.
D. non-reactive.

Answers

Answer:

a

Explanation:

they're water loving and water fearing

Which of the following is a global sustainability issue that was NOT identified by the Brundtland Report in 1987?


Food security


Epidemics


Overpopulation


Pollution

Answers

Answer:

over population can be but it can be epidemics to u can choose between one I don't know the full answer

The global sustainability issue that was not identified by the Brundtland Report in 1987 is "Overpopulation".

What is global sustainability?

Global sustainability refers to the human species' continued existence in all parts of the planet. In a larger sense, it means that almost all people who are born grow up and have meaningful lives that go beyond just biological survival.

What is overpopulation?

When environmental resources fall short of meeting the needs of individual creatures for housing, nutrition, and other necessities, there is a condition known as overpopulation. This occurs when population density exceeds specific threshold limitations. High rates of death as well as morbidity result from it.

The global sustainability issue that was NOT identified by the Brundtland Report in 1987 is "Overpopulation".

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how does white pigeon occur​

Answers

Answer:

the genomes in the pigoens DNA can cause certain effects in the pigment in the feathers. Sometimes it is also better for the survival of the animal, so it can survive better in lighter or darker enviornments

Explanation:

Would the lac operon work if the repressor protein could not bind to lactose?​

Answers

Answer: no

Explanation:

because binding of lactase to the repressor protein  always the RNA polymerase to bind to promoter thus the structural genes could the production of enzyme lactase however if lactase doesnt bind the active repressor protein binds to the operator hindering the rna polymerase from binding on the promoter so there will be no genes for lactase production transcribed

Janet is h0m0zygous recessive for blue eyes. If Janet wants to have children with blue eyes, what genotype should her future husband have

Answers

The husband should also have blue eyes

If your immune system can't actually stop you from getting ill, then why is it beneficial? Why is it evolved to work this way, instead of simply stopping every infection in its tracks?

Answers

The inmmune system is continuouly working in the human body. While no aggresive factore attacs the body the person feels no changes, however, when certain substances, germs or other factors enter the body the inmune system is activated. This happens when the body does not recognize those factores, which are called antigens.

When the inmune system is activated a number of proesses occur inside the human body. These processes generally allow the inmune system to identify the germ and learn how to fight it, so the next time the exact germ enters the body the inmune system will have information stored on how to fight it and the response will be faster.

Therefore, the first time a person encounters a certain disease he or she gets ill until the inmune system reacts and fights it. The next time the person encounters the same disease the person probably will not get sick.

The inmune system is beneficial because it allows the body to protect itself and save the information it needs to properly fight the disease in the future.

If the information on how to fight a specific germ is not available in the genetic material of the person then he or she, in orther to gain it, will eventually have to get ill or get vaccinated.

What subjects should i choose for grade 10-12 if i want to become a molecular biologist?

Answers

To become a molecular biologist, it's important to focus on building a strong foundation in science, particularly in subjects related to biology and chemistry. Here are some recommended subjects to consider for grades 10-12:

Biology: This subject is fundamental to understanding the principles of life, including cellular structure and function, genetics, molecular biology, and biochemistry. It forms the basis for further specialization in molecular biology.

Chemistry: A solid understanding of chemistry is crucial for molecular biology. Topics such as organic chemistry, inorganic chemistry, and biochemistry will provide a strong background for understanding the chemical processes that occur at the molecular level.

Mathematics: Strong mathematical skills are essential in many areas of science, including molecular biology. Focus on subjects like algebra, geometry, and calculus to develop problem-solving and analytical abilities.

Physics: While not directly related to molecular biology, physics provides a foundation for understanding principles of energy, forces, and motion. It can be beneficial for understanding certain aspects of molecular biology, such as biophysics or physical chemistry.

English/Language Arts: Communication skills are important for any career, including molecular biology. Developing strong reading, writing, and presentation skills will help you effectively convey scientific information and research findings.

Additionally, if your school offers advanced placement (AP) or International Baccalaureate (IB) courses in biology or chemistry, taking these can provide a more rigorous and in-depth understanding of the subject matter.

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IT'S ABOUT LIGHT!!!
Explain how reflection and refraction are similar to each other and different from each other.

Which would feel cooler on a sunny day: a black Tshirt or a white Tshirt? Explain why.


Which properties of light define light as a wave?

Answers

Reflection and refraction of light are similar as they both involve changes in direction of light, however, refraction involves media of different densities whereas reflection occurs in mirrors.

A white T-shirt will feel cooler on a sunny day because it reflects light better.

The properties of light that define it as a wave include diffraction, reflection, and refraction.

What are refraction and reflection of light?

Refraction of light refers to the property of light waves in which they change direction as they move between media of different densities.

When light waves are refracted, they either move away from the normal or move closer to the normal.

Refraction of light is applied in the construction of lenses.

Reflection of light occurs when light bounces off a surface when it hits that surface.

Reflection of light occurs when light hits shiny surfaces like mirrors.

Reflection of light is applied in the use of mirrors and is responsible for the choice of clothing during sunny or cold days.

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l
Energy Crossword Puzzle
Read Energy - Our Powerful Future and What is Global Warming? fact sheets for clues!

Answers

The conversion of sunlight into electricity using photovoltaic cells (7 letters).

A greenhouse gas released from burning fossil fuels (6 letters).

The process of capturing and storing carbon dioxide emissions underground (10 letters).

The primary source of energy for the Earth (6 letters).

A renewable energy source that utilizes the force of moving water to generate electricity (8 letters).

The process of using nuclear reactions to release a large amount of energy (8 letters).

Down:

2. The phenomenon of the Earth's average temperature gradually increasing due to human activities (11 letters).

A device that converts mechanical energy into electrical energy (9 letters).

The practice of using less energy and being more mindful of energy consumption (8 letters).

The process of splitting atoms to release energy (9 letters).

Please note that these clues are based on common terms and concepts related to energy and global warming.

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Errors in transcription occur about 100,000 times as often as do errors in DNA replication. B) Why do you think a cell can tolerate a higher rate of error in RNA synthesis than in DNA synthesis?

Answers

Cells tolerate higher rates of error in RNA synthesis because many copies of that RNA will be made, and only some of them have errors, which means that a high number of normal copies are also made, being enough to overcome and correct the problem. Another point is that DNA molecules are temporarily inherited. When it comes to errors in DNA synthesis, the mutation can be permanent if it`s not corrected until the next cell division, which makes errors in DNA synthesis more dangerous and with more consequences than in RNA synthesis, leading the cell to tolarate only a lower rate of errors.

large instine is the wildest part of​

Answers

i don’t understand the question at all

What part of the brain is the arrow pointing to in the diagram?

What part of the brain is the arrow pointing to in the diagram?

Answers

Answer:

The Occipital Lobe

Explanation:

The Brain is the part of the central nervous system enclosed in the cranium of humans other vertebrates, consisting of soft, convoluted mass of gray and white matter and serving to control and coordinate the mental and physical actions.

The Occipital Love is the most posterior love of each cerebral hemisphere, behind the parietal and temporal lobes.

which two processes happen during mitosis?
A. the chromosomes happen in a pattern.
B. The gametes fuse to form a zygote
C. the nucleus goes through 2 rounds of division
D. the nucleus divides only once

Answers

Answer:

C,A

Explanation:

Hopes this helps sorry if this is wrong

Answer:

A, D

Explanation: this is right 100%

The small stem like structure that attaches the leaf to the plant stem is called the:

The small stem like structure that attaches the leaf to the plant stem is called the:

Answers

Answer:

Petiole also known as the leaf stalk attaches the leaft to the rest of the plant


1. Is it advisable to switch the microscope on while looking through the eyepiece?

Answers

Answer:

yes ithink its important to switch on

what are herbivorous plants?

Answers

Answer:

What is herbivory?

Herbivory is the act of eating plants. Herbivory occurs above and below ground. Herbivores may eat any part of the plant above the soil including leaves, stems, flowers, fruit and any part of the plant below the soil including roots and tubers.

What are herbivores plants?

Plants that are parasites can still be considered herbivores. A parasite is an organism that lives on or in another organism and gets its nutrients from it. Parasitic plants get their nutrients from other plants, called host plants.

5. Describe how adaptations can help survival.​

Answers

Answer:

Adaptations can help by if an animal had to leave its homes cause it was getting destroyed it would need to adapt to a new area of land so it could survive.

Explanation:

Answer: I got it right the guy on top is right

Explanation:

State one substance that leaves the blood as it flows through the tissues of the small intestine.

Answers

Answer:

Superior mesenteric artery.

The primary source of energy for the body is a form of sugar called glucose. It travels to cells all throughout the body after being absorbed into circulation from the small intestine.

Other chemicals that enter the circulation through the small intestine include the following:

Proteins' building components are amino acids.

The lipids' building components are fatty acids.

minerals and vitamins

Water

In an adult, the small intestine is a muscular tube that is roughly 20 feet long. It is situated in the belly, above the large intestine, and below the stomach. The bulk of digestion and nutritional absorption from meals occurs in the small intestine.

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Milk

Lactose Free Milk

Milk + enzyme



What is the % Glucose
Concentration

Answers

Answer:

100gram

Hope it helps

Have a good day

What is the difference between atomic composition and chemical structure?

Answers

Atomic comp is the number of each type of atom, and Chemical Structure is the way that those atoms are bonded together

As scientists have developed more productive crop varieties, farmers have switched from growing many traditional varieties to new high-yield varieties. For example, in Peru, there are about 500 native varieties of potatoes that Indians once grew. This has been reduced to about 20 genetically improved potato varieties worldwide.

Besides the number of varieties of potatoes being reduced, what else is reduced by this practice?
Responses

Answers

Besides the number of varieties of potatoes being reduced, several other aspects may be affected by the switch to growing fewer high-yield varieties. Some of these include:

1. Genetic diversity: With the cultivation of a smaller number of high-yield varieties, the genetic diversity within the potato crop is significantly reduced. This reduction in genetic diversity can make the crop more susceptible to diseases, pests, and environmental changes. It also limits the potential for future breeding and genetic improvement.

2. Resilience and adaptability: Native varieties often possess unique traits that make them well-adapted to specific local conditions, such as resistance to pests, diseases, and environmental stresses. By focusing on a limited number of high-yield varieties, the resilience and adaptability of the potato crop may be compromised, increasing its vulnerability to external factors.

3. Cultural heritage and traditional knowledge: The shift towards high-yield varieties may result in the loss of traditional varieties that hold cultural and historical significance. Indigenous communities often have deep-rooted connections to specific potato varieties, which carry cultural and traditional knowledge associated with their cultivation and use. The loss of these traditional varieties diminishes cultural diversity and the preservation of indigenous knowledge systems.

4. Nutritional diversity: Traditional varieties of potatoes can have different nutritional profiles, offering a range of beneficial compounds and micronutrients. By reducing the number of varieties, the potential for accessing a diverse range of nutrients from different potatoes is also diminished, potentially impacting the nutritional diversity of diets.

5. Ecological balance: The cultivation of a limited number of high-yield varieties may disrupt the ecological balance in agricultural ecosystems. Native varieties often coexist with local flora and fauna, contributing to biodiversity and ecosystem services. The reduction in potato varieties can impact these interactions, potentially leading to ecological imbalances and negative consequences for overall ecosystem health.

It is important to consider these factors when making decisions about crop cultivation, aiming for a balance between high yields and preserving genetic diversity, cultural heritage, ecological sustainability, and nutritional resilience.

Which of the following best describes a characteristic of fungi that differentiates them from bacteria?

Fungi are eukaryotes, while bacteria are prokaryotes.
Bacteria are heterotrophs, while fungi are autotrophs.
Bacteria have gametangia, while fungi do not.
Fungi have cell walls, while bacteria do not.

Answers

Bacteria are primitive unicellular organisms. Fungi are more complex, evolved, multicellular organisms. Option A). Fungi are eukaryotes, while bacteria are prokaryotes.

What are the characteristics of fungi?

Fungi is a group composed of eukaryotic organisms, among which we can find several species. They are multicellular organisms, and their cells have organelles, nucleus, cell membrane, and wall.

Let us review some common characteristics,

They are heterotrophic organisms, meaning they take energy and nutrients from other organisms. They do not produce it.

Their cell wall is composed of chitin which helps to avoid dehydration.

They reproduce either sёxually or asёxually. They produce spores in special structures known as asks.

Their structure is complex and composed of the mycelium and the fructiferous body.

Fungi are important to the ecosystem because they are one of the principal organic matter decomposers. But they are also significant for different human uses.

What are the characteristics of bacteria?

The bacteria domain is composed of a wide group of unicellular prokaryotic microorganisms with a simple structure and sized between 1 to 10 micrometers.

These organisms lack a nucleus, nuclear membrane, and organelles. They only present plasmids and ribosomes. They have a cell membrane and a cell wall that protects the cell. Some of them can also present a capsule.

They reproduce asexually and are either autotrophs and heterotrophs.

Options,

A) Fungi are eukaryotes, while bacteria are prokaryotes. TRUE

B) Bacteria are heterotrophs, while fungi are autotrophs. FALSE. Bacteria can be both, while fungi is heterotroph.

C) Bacteria have gametangia, while fungi do not. FALSE. Bacteria reproduces asexually.

D) Fungi have cell walls, while bacteria do not. FALSE. Bothe of them have cell walls.

The correct option is A). Fungi are eukaryotes, while bacteria are prokaryotes.

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Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.

Mark this and returnHow is energy related to the change of staterepresented by the model?O Atoms gain

Answers

The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

What is Atoms?

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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1. a series of processes that take place within a cell in which biochemical energy from organic substances (ex. glucose) is converted into high energy molecules called ATP for use in energy-requiring activities of the cell?
A. photosynthesis
B. cellular respiration
V. enzyme
D. chloroplast

2. a protein that catalyzes (speeds up) a reaction without being changed by the?
A. reaction
B. substrate
C. enzyme
D. photosynthes cellular respiration

3 a process in which complex organic molecules are synthesized (created) using carbon dioxide, water, and light energy capture by chlorophyll?
A cellular respiration
B chloroplast
C mitochondria
Dphotosynthesis

4 a chemical or set of chemicals that are affected by enzymes?
enzyme
substrate
chloroplast
mitochondria

5 found in plant cells; produces energy through photosynthesis; convert light energy to energy stored in the form of sugar?
mitochondria
chloroplast
enzyme
none of the above

6 power house of the cell; responsible for cellular respiration and production of (most) ATP in the cell?
chloroplast
enzyme
mitochondria
none of the above

7 Response area stands for adenosine triphosphate, and is the energy used by an organism in its daily operations.?
ATP OR ADP

8 is a monosaccharide; Its general chemical formula is C6H12O6.

9 Response area without oxygen; this method of cellular respiration does not require oxygen to generate energy.? AEROBIC OR ANAEROBIC

10 it is the process of cellular respiration in the presence of oxygen.
anaerobic
aerobic
catalyst
enzyme

11 The electron transport chain is a group of compounds that pass an electron from one to another coupled with the transfer of proton across a membrane to create a proton gradient that drives ATP synthesis/creation.
True
False

12 is the green pigment found in the chloroplasts of higher plants, which is primarily involved in absorbing light energy for photosynthesis.

13 A catalyst is a substance capable of initiating or speeding up a chemical reaction.
True
False
14 The specific region of an enzyme where a substrate binds and catalysis takes place or where chemical reaction occurs?

15 Activation energy is the energy that a system must have before a chemical reaction can occur.?
True
False
I NEED HELP ASAP I YOU GET THAM ALL RIGHT ILL GIVE YOU BRIANLIEST!!

Answers

Answer:

cellular respirationenzymephotosynthesis substrate chloroplastmitochondria ATPGlucose Anaerobic Aerobic TrueChlorophyll True Active sites True

Explanation:

I hope it helps

This is a symbiotic relationship in which one of the organisms gains
something and the other loses something in the process
A competition
B mutualism
C parasitism
D commensalism

Answers

The answer is C

Parasitic relationships: one species benefits and the other suffers

With diffusion, what happens when the number of molecules on the inside of the cell equals the number of molecules on the outside of the cell?

Con la difusión, que sucede cuando el número de moléculas en el interior de la célula es igual al número de moléculas en el exterior de la célula?

Answers

Answer:

A solution is isotonic to a cell if it has the same concentration of solutes as the cell. Equal amounts of water enter and exit the cell, so its size stays constant. A hypertonic solution has more solutes than a cell

Una solución es isotónica para una célula si tiene la misma concentración de solutos que la célula. Cantidades iguales de agua entran y salen de la celda, por lo que su tamaño permanece constante. Una solución hipertónica tiene más solutos que una célula

What is a specialized internal cellular structure that is bound by one or more membranes?

O organelle

O cell wall

O ribosome

O flagella

Answers

The answer is A:Organelle
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