mendel’s experimental method involved using true breed parental plants for each of the traits he studied in the monohybrid cross. why was this vital to the outcomes of the experiment?
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Given what we know about Mendel and his experiments, we can confirm that the benefit of his using true breed parental plants was that it added accuracy and precision to his experiment.
The experiment mentions the use of true breed parental plants for each trait that was studied. A true breed or true-breeding organism is one that will ensure the inheritance of certain physical traits to its offspring through every generation. This is also commonly referred to as a purebred.
The importance of this detail in Mendel's experiments is that it functions as the control variable for the experiment. This is a variable that is maintained constant so that when a change occurs, we can attribute it to other factors and therefore add accuracy to the experiment. Therefore, by starting with purebred parental plants, Mendel could better identify the cause of inheritance for the traits.
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Related Questions
The prokaryotic group that tends to inhabit extreme environments belongs to ________. A. Bacteria B. Euglena C. Protista D. Archaea
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Answer:
D. Archaea
Explanation:
The prokaryotic group that tends to inhabit extreme environments belongs to Archaea.
The Archaea are prokaryotes that inhabit extreme environments, such as inside volcanoes, while Bacteria are more common organisms, such as E. coli.
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name the organisms of each trophic level of the food web
The diagram showing aquatic food web
Answers
Answer:
plankton- producer
krill- primary consumer
squid, penguin- secondary consumer
blue whale, seal, seagull- tertiary consumer
The diagram above shows the cell cycle. As you can see from the diagram, the cell spends most of the time in _______________________ during which it undergoes rapid growth and the DNA is replicated in order to prepare for Mitosis
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Answer:
Interphase
Explanation:
Interphase is the phase in the cell cycle in which rapid growth occurs and DNA is replicated.
how does a cell get energy from an atp molecule
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Answer:
Whenever a cell needs energy, it breaks the beta-gamma phosphate bond to create adenosine diphosphate (ADP) and a free phosphate molecule. Cells get energy in the form of ATP through a process called respiration, a series of chemical reactions oxidizing six-carbon glucose to form carbon dioxide.
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mention any 2effect of drug substance
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Nausea and Abdominal Pain
which soil composition would be the best choice for lining a landfill?
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Answer:
Loamy or silty soils that are free of large stones and excess gravel are the best cover for a landfill. Clayey soils may be sticky and difficult to spread; sandy soils are subject to wind erosion.
Explanation:
place each of the labels in the proper position to denote whether they would pass through the filtration membrane or not.
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The labels that will pass through the filtration membrane are water, glucose, and sodium.
The labels that will not pass through the filtration membrane are red blood cells, lymphocytes, antibodies, and platelets.
The filtration membrane is a microporous glomerular barrier membrane made of polymeric materials that are used for the separation and filtration of substances based on their molecular weight.
Depending on the molecular size of a substance situated in the blood, we can determine if such substances can be filtered through the filtration membrane or not.
However, the lower the molecular weight of the substance, the higher their likelihood of filtration.
In the plasma, the substance that has a lower molecular weight are water, glucose, and sodium while substance associated with protein, blood cell, and platelets contains higher molecular weight.
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3. The organelle that releases large amounts of energy to assist active transport in cells ?
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Answer:
The main function of the mitochondria is to provide energy for cellular activity by the process of aerobic respiration.
Explanation:
glucose is broken down in the cell's cytoplasm to form pyruvic acid, which is transported into the mitochondrion
the united states national grid is based on the universal transverse marcator coordinayte system true or false
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Answer:
true
Explanation:
Explain the relationships between dehydration synthesis, hydrolysis, monomer, and polymer
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Answer:
combine with each other using covalent bonds
Explanation:
Most macromolecules are made from single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.
Answer:
Dehydration synthesis is a process by which two monomers are linked to form a polymer, with water being given off as a byproduct. Conversely, hydrolysis is the process by which water is introduced in order to break down a polymer into its monomer building blocks.
Why must the number and type of atoms be the same in the products of a chemical reaction as in the reactants?
Answers
a critical event in the death of a cell is caused by
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Answer:Apoptosis and autophagy are both forms of programmed cell death. Necrosis is the death of a cell caused by external factors such as trauma or infection and occurs in several different forms.
Explanation:
Respiration is a process where many chemical bonds inside the body break and release energy. This energy is used to perform various activities such as moving muscles.
Explain the energy transformation in this process.
A. Chemical energy from broken bonds is transformed into mechanical energy for muscles.
B. Mechanical energy from broken bonds is transformed into chemical energy for muscles.
C. Mechanical energy from broken bonds is transformed into electrical energy for muscles.
D. Heat energy from broken bonds is transformed into electrical energy for muscles.
Answers
Chemical energy from broken bonds is transformed into mechanical energy for muscles. The correct option is A.
What is chemical energy?Chemical energy is the energy held in atom as well as molecule bonding.
Chemical energy can be located in things like batteries, biomass, oil, natural gas, and coal.
For instance, when humans burn wood in a fireplace or gasoline in a vehicle's engine, chemical energy is transformed into thermal energy.
Chemical energy, such as that held in the bonds of atoms and molecules, is stored energy. As a result of a chemical process, this energy is released.
Many chemical bonds throughout the body break during respiration, releasing energy. The movement of muscles is one activity that uses this energy.
Broken bonds' chemical energy is converted into mechanical energy for muscles.
Thus, the correct option is A.
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BRAINLIEST TO CORRECT ANSWER
Answers
Answer:
C (pictures a and b)
Explanation:
An element contains only 1 type of atom.
What is the function of the nose?
To warm the air
To humidify the air
To filter the air
*All of the above
Answers
Answer:
d. All of the above
Explanation: Is the correct answer!! and post protected
Explain how chemical properties and chemical changes are different?
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Explanation:
A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical reaction is a process that occurs when one or more substances are changed into one or more new substances.
PLEASE HELP ME IM TIMED!
Answers
Answer:
protein i believe
Explanation:
During which phase(s) of mitosis are structures like the one shown in Figure 10–2 visible?
Answers
Answer:
Prophase
Explanation:
Not 100% sure though.
Answer:
Prophase
Explanation:
During prophase, chromosomes condense which is why it looks like that
How many codons are needed for 3 amino acids?
Answers
Answer:
3 codons are needed for 3 amino acids
ANSWER FOR BRAINLIEST!!!
Answers
Would a plant be able to survive if the ground tissue was damaged? Explain your answer.
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Given what we know, we can confirm that with damaged ground tissue, a plant will most likely not be able to survive.
What we know about ground tissues in plants.The ground tissue forms an abundant part of all plant tissues. This tissue includes all plant tissue that is neither vascular nor dermal.This means that ground tissue covers a wide variety of functions. Two primary and important functions are the storage of sugar and water.Therefore, given the vital role of this tissue in plants and its function in storing "food" and water, we can confidently say that a plant with damaged ground tissue will not be able to survive for long.
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Answer:
No, it would not because...
Explanation:
A plant without ground tissue would not be able to survive. The ground tissue serves all types of functions, including photosynthesis, storage, and support. Without any of these functions, a plant can’t grow nor get the nutrient it needs to survive.
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after light excites electrons and they leave photosystem ii to travel down the first electron transport chain. how are these electrons replaced to photosytem ii
Answers
Answer:
They are replaced by water splitting
Explanation:
Which statement best describes the subscapularis muscle?
Answers
Answer:
b. is correct
Explanation:
ANYONE FROM K12 KNOW THE ANSWERS TO THIS PART OF THE 3.25 MITOSIS LAB??? I NEED HELP (no links)
Answers
Answer:
1. provide the correct order for the stages of mitosis
Which of these solutions is the best way to help a city as its population grows
and its air becomes more polluted?
O A. Invest in urban sprawl to better disperse the pollution.
OB. Invest in alternative energy sources to reduce emissions.
O C. Reduce road construction to dissuade new residents.
O D. Reduce air-quality regulations so businesses can grow unimpeded.
Answers
Answer:
B. Invest in alternative energy sources to reduce emissions.
Explanation:
The best way to help a city as its population grows, and its air becomes more polluted, is to invest in alternative energy sources to reduce emissions. The correct option is B.
What is pollution?Pollutants are the name for these dangerous substances. Natural pollutants include volcanic ash, for example. They can also be brought by human activities, such as factory runoff or waste.
Air pollution is caused by solid, liquid, and gaseous pollutants. These gases and particles can be produced by factories, volcanoes, wildfires, dust, pollen, and vehicle and truck emissions.
To stop pollution, we must use alternative energies that do not cause pollution.
Thus, the correct option is B. Invest in alternative energy sources to reduce emissions.
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PLZ HELP how does the advancement of technology affect scientific models?
Answers
Answer:
Science and technology help each other advance. Scientific knowledge is used to create new technologies. New technologies often allow scientists to explore nature in different ways and make new discoveries. Examples of technologies that have helped science advance include the telescope and microscope.
Explanation:
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Maxine miles runs a marathon in 2 hours and 40 minutes. most of the atp for this activity is supplied by:
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Maxine miles runs a marathon in 2 hours and 40 minutes. Most of the ATP for this activity is supplied by AEROBIC glucose breakdown. ATP is the energy coin of the cell.
Cellular respiration refers to the metabolic processes by which aerobic cells produce ATP by using the energy stored in the chemical bonds of foods (e.g., glucose) and oxygen.
Muscle cells can produce ATP by both cellular respiration (aerobic conditions) and acid lactic fermentation (anaerobic conditions).
Acid lactic fermentation is a less efficient pathway than cellular respiration, but cellular respiration is slower than fermentation, thereby muscle cells use this pathway (acid lactic fermentation) when there is not enough oxygen in the body.
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During cellular respiration, most of the ATP energy generated comes from the electron transport chain. True false question. True False
Answers
Answer:
A true
Explanation:
only 4 at is created outside the electron transport chain
but cellular respiration produces at net gain of 36 atp
thus the other 32 atp comes from the electron transport chain
A population of beetles is mostly composed of individuals with the dominant green color, but there are several with the recessive brown
color. A displaced species of bird moves into the habitat and preferentially preys upon the green beetles. Over time, what can be expected
to happen to the beetle population?
O A. The beetles will migrate to avoid being eaten by the birds in the habitat.
OB. The beetle population will become extinct.
O C. The beetle population will stabilize because the birds will not eat more beetles than necessary to maintain ecological balance.
O D. The brown beetles will become more common.
Answers
The green beetles will decrease in number while the brown beetles will become more common.
According to Darwin's theory of evolution, organisms that are better adapted to their environment are able to live longer and survive long enough to reproduce thereby perpetuating their favorable characteristics in the population.
Since the green beetles are more common but they are preferentially preyed upon by the invasive bird species, the green beetles will decrease in number while the brown beetles will become more common.
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What is the upper section of the pharynx which contains the adenoids?
Answers
Answer:
a. Nasopharynx
Explanation: is correct. post protected