explains why the process of crossing over is important?
Answers
Answer:
I'll assume this is crossing over-- as in meiosis.
If so, it's an enzyme-mediated process that takes place in the prophase of meiosis.
But, I'll just cut to the chase:
Crossing over is important because it creates gametes that can yield more genetically diverse offspring.
To be more exact, the genetic diversity is due to the exchange of genetic material between homologous chromosomes. This will give new gene combos on each chromosome.
I hope this helps!
Related Questions
Many segments are blank wholesome are blank such as a segment for digestion and a segment for reproduction
Answers
Many Body segments are very wholesome are essential such as a segment for digestion and a segment for reproduction.
What is the bodily systems about?In the above case, it would be more accurate to say that many bodily systems are essential for our overall health and well-being, and they each play important roles in maintaining our bodily functions. For example, the digestive system is responsible for breaking down food and absorbing nutrients, while the reproductive system is responsible for producing and delivering offspring.
Therefore, It is important to note that while some bodily functions or segments may be considered more "wholesome" than others, each system is necessary and contributes to the overall functioning of the body. So, rather than categorizing them as wholesome or not, it's more useful to think of them as essential components of a complex and interconnected system.
P.S. Question seems incomplete and general definition is given.
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(b) Through the process of transpiration, water is brought into a plant through
its roots and carried to the leaves, from which it evaporates. What structure
brings water into the leaf from the roots?
Answers
The xylem is a special type of cell that brings water from roots to leaves through the stem.
Plant stems include a type of cell called an xylem. These cells create long, thin tubes that connect the roots to the stems and then to the leaves. Their duty is to transport water upward from the roots to every part of the plant.
Capillary action is the mechanism through which water flows up the xylem. Water molecules enjoy clumping together. Water is drawn up through the tubes by capillary action because extremely small components of water, known as molecules, are attracted to the molecules that make up the tube.
The top water molecules are drawn up the tube, and the water molecules below them are drawn along because they are attracted to the water molecules above them.
When plants have more water in their leaves than they need, they expel it through a process known as transpiration. Water evaporates into the air from small pores in the surfaces of leaves during transpiration. Stomata are little tiny holes.
As water molecules evaporate off plant leaves, they attract water molecules that remain in the plant, assisting in the movement of water up through the stems from the roots. Water is delivered from the bottom to the top of a plant by transpiration and capillary action.
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If your intake was higher in soluble fiber it would impact your health in the following way(s): increase transit time of food through GI tract increasing risk for constipation control blood glucose levels reduce blood cholesterol levels
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Soluble fiber can impact one's health in the following ways if their intake was higher it increases the transit time of food through the GI tract, increases the risk for constipation, control blood glucose levels, and reduce blood cholesterol levels. Thus, all of the options are correct.
Soluble fiber is fermented by bacteria in the gut, which results in increased transit time of food through the GI tract. Because soluble fiber slows down digestion, it keeps you feeling full for longer, which helps you eat less and control your weight.
Increasing the risk for constipation: Soluble fiber, when combined with water, softens the stool and increases its volume, making it easier to pass. If a person does not consume enough water while increasing their intake of soluble fiber, it could lead to constipation. One must drink enough water to prevent constipation.
Control blood glucose levels: When soluble fiber enters the digestive tract, it slows down the digestion and absorption of carbohydrates. This results in a slower and more controlled release of sugar into the bloodstream. Soluble fiber also reduces the risk of insulin resistance, a precursor to type 2 diabetes.
Reduce blood cholesterol levels: Soluble fiber binds with bile acids in the intestine, preventing them from being reabsorbed and ultimately excreted. To replace lost bile acids, the liver must make more from cholesterol. As a result, cholesterol levels in the blood drop, lowering the risk of heart disease.
Thus, the correct options are A, B, C, and D.
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In which situation would a bacterium most likely have cytoplasmic inclusions? a. During mitotic cell division b. In times of nutrient deficiency
c. In a habitat abundant in nutrients d. During endospore formation
Answers
In times of nutrient deficiency, a bacterium is most likely to have cytoplasmic inclusions.
Cytoplasmic inclusions are specialized structures found within bacterial cells that serve various functions. They can store and accumulate certain substances such as nutrients, energy reserves, or metabolic byproducts. These inclusions aid the bacterium in adapting to different environmental conditions.
During times of nutrient deficiency, when the availability of essential nutrients is limited, bacteria may synthesize and store reserve materials in the form of cytoplasmic inclusions. These reserves can be utilized by the bacterium to sustain its metabolic activities and survive in unfavorable conditions until more favorable conditions with ample nutrients are available.
In contrast, during mitotic cell division (Option A), the focus is on the replication and distribution of genetic material, and cytoplasmic inclusions play a minimal role. In a habitat abundant in nutrients (Option C), bacteria may not need to accumulate reserves as nutrients are readily available. During endospore formation (Option D), the bacterium undergoes a specialized process to produce highly resistant spores, and the formation of endospores does not directly involve cytoplasmic inclusions.
In summary, during times of nutrient deficiency, bacteria are more likely to have cytoplasmic inclusions as a mechanism to store and utilize reserve materials for survival and metabolic activities in challenging environments.
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1. Which statement best explains the relationship between almond tree reproduction and honeybees?
A. As the honeybee population size increases, so does the almond tree reproductive rate.
B. As the almond tree reproductive rate increases, so does the honeybee population size.
C. As the honeybee population size decreases, the almond tree reproductive rate stays the same.
D. As the almond tree reproductive rate decreases, so does the honeybee population size.
Answers
The statement that explains relationship between almond tree reproduction and honeybees is B. As the almond tree's reproductive rate increases, so does honeybee population size.
A particular kind of bee noted for gathering honey and residing in colonies is the honey bee. Almonds cannot be grown without bees, but bees also benefit. Because almond orchards serve as honey bees' first natural source of food each spring, they strengthen bee hives. As a result, the number of honeybees grows along with the reproductive rate of almond trees.
This is due to the fact that honeybees are necessary for the pollination of almond trees, and as the plants grow more blossoms and demand more pollination, honeybees are drawn to the region and their number rises. Since almond trees provide nectar and pollen for honeybees, the relationship is mutually advantageous.
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How do limiting factors affect the rate of photosynthesis?
Answers
Answer:
Any change in the level of a limiting factor will affect the rate of reaction. If the level is too low or too high, the rate of photosynthesis declines rapidly.
Explanation:
30 POINTS HELP ASAP BRAINLEIST
The _______lithosphere
is divided into different tectonic plates. These plates move because of
______
in the asthenosphere. The North American Plate contains the continent of North America, as well as some of the surrounding Pacific and Atlantic Oceans.
Along its western border, two plates interact with the North American Plate. In the northern United States, the Juan de Fuca Plate ______
the North American Plate and subducts underneath. That’s because the Juan de Fuca Plate is _____
plate, which is denser than the ______
North American Plate. The subduction causes the plate to melt, becoming magma and forming volcanoes.
Near southern California and northern Mexico, the North American Plate and the Pacific Plate are both moving northwest, but the Pacific Plate is moving faster. This creates a _________
boundary as the plates slide past each other and create earthquakes.
Along its eastern border, the North American Plate is moving away from the Eurasian and African Plates (divergent boundary). This movement results in new crust rising to the surface along the boundary and the creation of underwater mountain ranges such as the Mid-Atlantic Ridge. That happens because convection currents within the asthenosphere are pulling the sea floor apart. This is also known as _________
, the mechanism that explains the driving force behind the moving plates and the theory of plate tectonics.
1st____ options are lithosphere, asthenosphere, or mantle
2nd____ options are ocean currents, electric currents, or convection currents
3rd_____ options are converges with, diverges from, or slides past
4th_____options are a oceanic, a continental, or a growing
5th____ options are continental, extinct, or oceanic
6th_____ options are convergent, transform, or divergent
7th____ options are ocean currents, plate subduction, or sea floor spreading
Answers
Answer:
1 asthenosphere
2 convection currents
3 diverges from
4 a oceanic
5 a continental
6 transform
7 Sea floor spreading
hope this helps
plz mark brainleist
Answer:
1 asthenosphere
2 convection currents
3 diverges from
4 a oceanic
5 a continental
6 transform
7 Sea floor spreading
Explanation:
where do the small molecules like water pass through the membrane?
Answers
Answer:
Water is transported across the membrane by the aquaporin (AQP) family of passive channels.
Explanation:
ok is that the answer you are looking for?
The intensity of sunlight on Earth is affected by
A.) the mass of Earth
B.) the speed of Earth
C.) the number of rotations of Earth
D.) the curved surface of Earth
Answers
Answer:
The correct answer is D.) the curved surface of Earth.
Explanation:
The intensity of sunlight on Earth is affected by the curved surface of Earth, which causes the sunlight to spread out over a larger area. As a result, the intensity of sunlight is less at any given point on Earth's surface than it would be if Earth had a flat surface. This also explains why the poles receive less sunlight than the equator, as sunlight is spread out over a larger area near the poles due to the curvature of the Earth.
Factors such as the mass of Earth, the speed of Earth, and the number of rotations of Earth do not directly affect the intensity of sunlight on Earth.
(c) Oxygen passes from the alveolus into the blood.
Name the part of the blood that carries the most oxygen.
Answers
Answer:
Undoubtedly, Red Blood Cells are the ones carrying the most oxygen.
1 The enzyme associated with the influenza virus that hydrolyzes the protective mucous coating of respiratory tract is A) catalase. B) reverse transcriptase. C) hyaluronidase. D) neuraminidase. E) kinase
Answers
The enzyme associated with the influenza virus that hydrolyzes the protective mucous coating of the respiratory tract is D) neuraminidase.
Neuraminidase is an enzyme associated with the influenza virus that helps the virus to escape from infected cells and spread to other cells in the body.
It works by cleaving the glycosidic bond between sialic acid residues and other sugars on the surface of host cells, which destroys the protective mucous coating of the respiratory tract and allows the virus to enter the cell. This enzyme is a target for antiviral drugs such as oseltamivir (Tamiflu) and zanamivir (Relenza), which can inhibit its activity and reduce the severity of influenza infection.This enzyme helps the virus to spread by cleaving sialic acid residues on the host cell surface, facilitating the release of newly formed virus particles.Therefore, the enzyme associated with the influenza virus that hydrolyzes the protective mucous coating of respiratory tract is neuraminidase.
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Please answer the following statement:
Where is the cell below (which colored box) is Transcription occurring? __________
Where is the cell below (which colored box) is Translation occurring? _________
Thank you for your help I really appreciate it!
Answers
Answer:
Transcription occurs in the nucleus.
Translation occurs at the ribosome in the cytoplasm.
the endocrine system has many functions including . multiple select question. receiving sensory information from the environment maintaining blood volume producing neurotransmitters regulating blood ion concentrations controlling movement of food through the digestive tract
Answers
The endocrine system achieves a set of tasks, like maintaining blood volume, controlling blood ion concentrations, and guiding how food gets through the digestive tract.
The body's long-term endocrine reactions to lower blood pressure and volume form more red blood cells. Erythropoietin, which is issued by the kidneys and both signals and aids in the survival of already formed red blood cells, is made in the bone marrow.
The endocrine system is a highly organized mechanism that maintains the proper level of hormones and their effects. Using "feedback loops" is one technique to accomplish this. Other hormones, proteins, or neural impulses govern the release of hormones. The impact of the hormone is then felt by other organs.
Digestion is guided by the endocrine system and the brain. The sensations of hunger and fullness are handled by the brain. The release of hormones and enzymes vital for food digestion in the digestive tract is directed by the endocrine system.
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The endocrine system has many functions including (b) regulating blood ion concentrations controlling movement of food through the digestive tract.
The nervous system and endocrine system combine signals coming from many body systems and the environment. The endocrine system also creates effector molecules, such as hormones, that can cause the body to react appropriately in order to maintain homeostasis.
More red blood cells are formed by the body's long-term endocrine responses to lower blood pressure and volume. The bone marrow produces erythropoietin, a hormone secreted by the kidneys that both alerts and promotes the survival of already created red blood cells.
The endocrine system is a meticulously planned process that keeps hormone levels and effects in check. One method to do this is to use "feedback loops." supplementary hormones, proteins, or neural. The hormones released are controlled by impulses. Other organs then experience the effects of the hormone.
The brain and endocrine system control digestion. The brain controls the feelings of hunger and fullness. The endocrine system controls the release of hormones and enzymes necessary for food digestion in the digestive tract.
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what is the difference between artificial kidneys and natural kidneys
Answers
\(\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} →}\)
The natural kidney continuously receives the blood and water, filter them and keep the body away from toxic wastes by the process of excretion. The artificial kidney is the device used in kidney damage persons only from time to time, under supervision of a specialist doctor.Explanation:
Hope it helps you!!choose five word roots related to a part of the body. add different prefixes and/or suffixes to the word root to create at least three different terms for each body part.
Answers
Body parts and their word roots.
The human body is composed of several parts that serve various functions.
In the medical field, many words are used to describe different body parts, which can help one to understand various conditions and diseases.
Below are some of the common word roots related to parts of the body.
1. Crani- (skull) Craniology, Craniometry, Cranioscopy
2. Cardio- (heart) Cardiology, Cardiovascular, Cardiothoracic
3. Derma- (skin) Dermatology, Dermatosis, Dermatomyositis
4. Gastro- (stomach) Gastroscopy, Gastroenterology, Gastroesophageal
5. Osteo- (bone) Osteomyelitis, Osteoporosis, Osteomalacia
Body parts and their prefixes and/or suffixes:
Prefixes are letters added to the beginning of a word root to change its meaning. For instance, pre- is a prefix that means before, as in prehistoric.
Suffixes are letters added to the end of a word root to change its meaning. For example, -tion is a suffix that turns the verb into a noun, as in action.
1. Crani- (skull) Decraniated, Hypercrania, Craniocerebral
2. Cardio- (heart) Cardioverter, Cardioversion, Cardiomegaly
3. Derma- (skin) Dermatopathy, Dermatologist, Dermatogenic
4. Gastro- (stomach) Gastritis, Gastroscopy, Gastrology
5. Osteo- (bone) Osteocyte, Osteoblast, Osteopathy
Note that the word roots are listed first, and different prefixes and suffixes are used to create the other terms.
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where can warm water be found
Answers
Answer:
Warm water can be found near the equator because it is a warm tropical environment and near volcanoes.
Explanation:
hope that helped :)
A layer of smooth muscle, called the __________________________________, gives the bladder wall its elasticity.
Answers
A layer of smooth muscle, called the detrusor muscle, gives the bladder wall its elasticity.
The detrusor muscle, also known as the muscularis propria of the urinary bladder is a smooth muscle located at the border of the bladder. The detrusor muscle stays loose to permit the bladder to hold urine, and contracts during urination to discharge urine.
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A molecule has been isolated from a cell. The molecule is found to be in a ring shape made up of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio. Choose all the statements that apply to this molecule.
Answers
Based on the information given, the following statements likely apply to the molecule:
- The molecule is an organic compound, as it contains the elements carbon, hydrogen, and oxygen.
- The molecule is likely a carbohydrate, as many carbohydrates have a ring shape and a 1:2:1 ratio of carbon, hydrogen, and oxygen atoms.
- The molecule is likely a sugar, as many sugars are ring-shaped carbohydrates
- The molecule is likely a monosaccharide. Monosaccharides are simple sugars and are the building blocks of more complex carbohydrates like disaccharides and polysaccharides. They are composed of C, H, and O in a ratio of 1:2:1, fitting the information provided.
- The molecule is likely to be a cyclic compound, due to the ring shape made up of atoms.
It is important to note that this information is not enough to definitely identify the molecule, there are several compounds that can fit in this description such as Glucose, Fructose, and Ribose. Additional information and testing would be needed to definitively identify the molecule.
Solar power uses cells or panels to absorb the sun's energy. That energy is then used to create electricity. How does this compare to the light dependent reactions of photosynthesis?
Answers
Solar power and the light-dependent reactions of photosynthesis both utilize the energy from the sun to produce a form of energy.
What is solar power?In solar power, the sun's energy is absorbed by photovoltaic cells or panels, which then converts it into electricity that can be used to power homes, businesses, and other applications. In photosynthesis, the light energy is absorbed by pigments in the chloroplasts of plants, which then drives a series of chemical reactions that convert carbon dioxide and water into glucose (sugar) and oxygen. The glucose is then used by the plant as an energy source.
So, while both processes make use of the sun's energy, they differ in terms of the form of energy produced and the specific mechanisms used to convert the sun's energy into a useful form. Solar power is a human-engineered technology that converts light energy into electricity, while photosynthesis is a natural process that occurs in plants and converts light energy into chemical energy in the form of glucose.
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which one of the following pairs of reagents reacts to form an organic product that shows only 2 peaks in its proton n.m.r. spectrum?
a. butan-2-ol and acidified potassium dichromate(VI)
b. ethanoyl chloride and methanol
c. propanoic acid and ethanol in the presence of concentrated sulphuric acid
d. ethene and hydrogen in the presence of nickel
Answers
b: ethanoyl chloride and methanol reacts to form an organic product that shows only 2 peaks in its proton NMR spectrum.
In organic chemistry, proton NMR spectrum spectroscopy is a powerful tool used to identify the number and type of hydrogen atoms present in a molecule. The number of peaks in an NMR spectrum is directly proportional to the number of unique hydrogen environments present in a molecule.
When ethanoyl chloride and methanol react, an ester is formed through a nucleophilic acyl substitution reaction. Esters typically have two unique hydrogen environments, giving rise to two peaks in their proton NMR spectra.
In contrast, the other reactions listed in the options are likely to produce compounds with more than two unique hydrogen environments, leading to more than two peaks in their proton NMR spectra. Therefore, option b is the correct answer
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Are earthquakes predictable? Explain your answer.
Answers
No. Scientists have never predicted a earthquake. We do not know how, and we do not expect to know how any time in the foreseeable future.
Answer:
Nope Because
Explanation:
They are not based on scientific evidence, and earthquakes are part of a scientific process. For example, earthquakes have nothing to do with clouds, bodily aches and pains, or slugs.
An imaginary researcher examined the 18 largest mammal species in Asia that occur on both the mainland and on islands. Sixteen of the ASSIGNMENT PROBLEMS 11. Identify whether each of the following statements is more appropriate as a null hypothesis or an alternative hypothesis: a. Hypothesis: The number of hours that gradeschool children spend doing homework predicts their future success on standardized tests. b. Hypothesis: King cheetahs on average run the same speed as standard spotted cheetahs. c. Hypothesis: The mean length of African elephant tusks has changed over the last 100 years. d. Hypothesis: The risk of facial clefts is equal for babies born to mothers who take folic acid supplements compared with those from mothers who do not. e. Hypothesis: Caffeine intake during pregnancy affects mean birth weight.
Answers
The hypothesis b and d are Null hypothesis while hypothesis a, c, and e are Alternative hypothesis.
Null hypothesis and alternative hypothesis are two types of statistical inferences. Hypothesis testing is the process of testing the hypothesis. A hypothesis test is a statistical test that determines whether there is sufficient evidence in a sample of data to infer that a certain condition is true for the entire population. The null hypothesis is a statement that is assumed to be true unless sufficient evidence indicates otherwise. An alternative hypothesis is a statement that is accepted when the null hypothesis is rejected.
Given below are identification of each hypothesis as null hypothesis or alternative hypothesis:
a. Hypothesis: The number of hours that grade school children spend doing homework predicts their future success on standardized tests is more appropriate as alternative hypothesis.
b. Hypothesis: King cheetahs on average run the same speed as standard spotted cheetahs is more appropriate as null hypothesis.
c. Hypothesis: The mean length of African elephant tusks has changed over the last 100 years is more appropriate as alternative hypothesis.
d. Hypothesis: The risk of facial clefts is equal for babies born to mothers who take folic acid supplements compared with those from mothers who do not is more appropriate as null hypothesis.
e. Hypothesis: Caffeine intake during pregnancy affects mean birth weight is more appropriate as alternative hypothesis.
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Which is an example of a simile? put O His mother was trying to get him into the car. + O Moments later, Grandma appeared with a white box in her hand. O The sneakers were as red as a fire hydrant. 0 Tyrell spent the rest of the day playing basketball with a smile on his face.
Answers
Answer:
O The sneakers were as red as a fire hydrant.
Explanation:
(HELP ME) Look at the distance vs. age graph. Describe the relationship between age and distance. Does the relationship support the continental drift theory? Provide at least one piece of support for your answer by referencing your graph.
Answers
During one or more geologic periods, continents moved horizontally at a huge scale in relation to one another and to the ocean basins.
Supporting data for the continental drift theory
A Comparison of Continents (Jig-Saw-Fit)
The coastlines of South America and Africa are in striking and unusual alignment with one another.
Bullard developed a map in 1964 to discover the proper fit of the Atlantic margin using a computer programme, and it turned out to be unremarkable.
Rocks across oceans that are the same age
The development of rocks found on many continents across the ocean have been linked using radiometric dating techniques.
The ancient rock belts on the Brazilian coast correspond to those in Western Africa.
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Where is the carbon taken in by plants during photosynthesis stored?a. the groundb. plant structuresC. the aird. all of the above
Answers
The carbon is taken from the air and is used in photosynthesis to produce glucose (from carbon dioxide and water reacting with the sunlight). This carbon enter the leaves through the stoma and is incorporated into organic compounds within the plant structure (being stored there).
Therefore, the correct answer is b. plant structures.
What is one question you have about the study of life? Remember that a good scientific question is concise, clear, and verifiable by experiment.
Answers
Answer:
Explanation:
Biology can be referred to as the study of life.
One question that can be asked about the study of life is "if green plants excrete". Since excretion is one of the characteristics of living things, one question that could be intriguing is the possibility of plants performing this process.
This question can only be answered be answered/verified by a scientific experiment because the process cannot be observed/determined with the naked eye.
hich of the following is not a function of the plasma membrane? determines which substances enter and leave the cell serves as a boundary between the cell and its environment contains receptor sites which determine how the cell interacts with its environment contains the genetic information marks the cell as belonging to a particular individual
Answers
The function of the plasma membrane does not include containing the genetic information, which is the answer option D.
The plasma membrane is a selectively permeable boundary that encloses the cell and separates its internal environment from the external environment. It determines what substances enter and leave the cell, as well as helps to maintain the cell's internal environment. The plasma membrane also contains receptor sites that allow the cell to interact with its environment and communicate with other cells.
Additionally, the plasma membrane can have markers that identify the cell as belonging to a particular individual, such as in the case of blood group markers on red blood cells. However, the genetic information is stored within the nucleus or nucleoid region of the cell, and is not a function of the plasma membrane.
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Complete Question:
Which of the following is not a function of the plasma membrane?
A. determines which substances enter and leave the cell
B. serves as a boundary between the cell and its environment
C. contains receptor sites which determine how the cell interacts with its environment
D. contains the genetic information
E. mark the cell as belonging to a particular individual
If a mouse inherits a particular form of one trait, then the inheritance of the other trait will not be affected because alleles assort independently.
Answers
Answer:
Explanation:
The inheritance sorts independently
Which cells have the most potential for therapy and can become anything?
Answers
Answer:
Stem cells have the ability to build every tissue in the human body, hence have great potential for future therapeutic uses in tissue regeneration and repair. In order for cells to fall under the definition of “stem cells,” they must display two essential characteristics.
Explanation:
Laughing gas is made when nitrogen gas and oxygen gas have a chemical
reaction. What is laughing gas?
A. A compound
B. An element
C. An alloy
D. A mixture
Answers
Answer:
A compound
Explanation:
a p e x