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Answer:
a chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances known as products. a chemical reaction rearranges the constituent atoms of the reactants to create different substances as products
A chemical reaction is a process that occurs when atoms or molecules interact and rearrange to form new substances. During a chemical reaction, the atoms or molecules that are involved in the reaction are called reactants, and the new substances that are formed are called products.
Chemical reactions can be represented by chemical equations, which use chemical formulas and chemical symbols to show the reactants and products of the reaction. The coefficients in front of the chemical formulas indicate the relative numbers of atoms or molecules involved in the reaction.
There are different types of chemical reactions, such as synthesis reactions, decomposition reactions, single replacement reactions, double replacement reactions, and combustion reactions. Each type of chemical reaction involves a specific type of interaction between reactants and the formation of specific products.
A chemical reaction can be described by several properties, such as the energy change, entropy change and the Gibbs free energy change. These properties help to understand the thermodynamics and kinetics of a chemical reaction.
In summary, a chemical reaction is a process in which atoms or molecules interact and rearrange to form new substances, which can be represented by a chemical equation. The different types of chemical reactions are driven by thermodynamics and kinetics properties and can be represented by several parameters such as energy, entropy and Gibbs free energy change.
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Related Questions
Which of the following is evidence that matter is too small to be seen without magnification?O Feeling the heat come off the flames of a fireFeeling the grains of salt in between your fingersWatching salt disappear when it dissolves in waterO Watching rain fall from the sky during a thunderstorm
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The correct answer is Feeling the heat come off the flames of a fire.
You cannot see the heat but it is there.
What is the nervous system made up of?
the spinal cord, sensory organs and blood vessels
the brain, spinal cord and the nerves
the brain and spinal cord
the nerves, sensory organs and brain
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The nervous system is made up of three elements: the brain, the spinal cord, and the nerves that can be found in all the body.
What is the nervous system?This is an important system found in animals that coordinates body movement, and controls important processes such as breathing.
What structures are part of this system?The brain: This is the most important organ of the nervous sytem as it acts as a processing center for movement, sensibility and organs' functions.The spinal cord: This structure transmits signals from the brain along the body.The nerves: They extend from the spinal cord are essential to have movement and sensitivy in all the body, for example, due to the nerves, animals have sensibility on their fingers.Learn more about nervous system in: https://brainly.com/question/13487019
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20 points
8. Is ecological succession best described as a progression of small changes, or one large change? Explain.
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Some protists can reproduce both sexually and asexually. What's a major advantage of each?
A. Sexual reproduction increases genetic diversity, and asexual reproduction can be more rapid.
B. Sexual reproduction allows the organism to produce an exact copy of itself, and asexual reproduction can be more rapid.
C. Sexual reproduction can be more rapid, and asexual reproduction allows the organism to produce an exact copy of itself.
D. Sexual reproduction is less prone to making genetic mutations, and asexual reproduction increases genetic diversity.
Answers
Asexual reproduction has the potential for faster growth, while sexual reproduction enhances genetic diversity. In protists, sexual reproduction has the major benefit of increasing genetic.
How do protozoa reproduce both sexily and asexually?While some protists reproduce sexually using gametes, others do so asexually using binary fission. Plasmodium falciparum, which possesses both sexual and asexual variants of the organism, is an excellent illustration of a species with incredibly complex life cycles.
What is the benefit of sexual and asexual reproduction?Both approaches have benefits. A varied gene pool that can tolerate a dynamic and changing environment can be developed through sexual reproduction. Asexual reproduction is advantageous for maintaining a big, homogenous population and for species that can't move around.
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State one difference between the sperm cell and the cells in the developing fetus
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Answer:
One significant difference between a sperm cell and the cells in the developing fetus is that a sperm cell is a specialized reproductive cell carrying genetic material from the father, while the cells in the developing fetus are diploid cells containing a combination of genetic material from both the mother and the father. In other words, sperm cells are haploid (containing half the usual number of chromosomes) and are involved in fertilization, while fetal cells are diploid and contribute to the development of the individual.
Using the picture, which factor does NOT limit the barnacle population on the rock?
A. space, because there is a limited amount of room on the rock
B. parasitism, because the barnacles and rocks must exchange nutrients
C. predation, because the barnacles at the top of the rock get eaten by sea birds
D. water, because the barnacles can only live on rocks that are near the water
Answers
Answer:
A
Explanation:
I'm quite sure its a, might be wrong.
Because there is just a little amount of space on the rock, the number of barnacles there is unaffected. So, the correct option is A.
What are Barnacles?Because they are an arthropod species and members of the subclass Cirripedia mostly in Crustacea subphylum, barnacles are linked to crabs and lobsters. Often found in erosive environments, shallow and tidal seas are where barnacles prefer to live.
Cirri, or feather-like appendages, are used by barnacles to feed. The cirri scan the water for microscopic organisms as they quickly extend and retract through the aperture at the top of the barnacle. If they detect a potential threat, they swiftly retreat into their protective shells.
Few barnacle species are parasitic, and the majority of barnacle species are not harmful to other creatures. They protect the animal they feed on by filtering feeding food particles from the water.
Therefore, the correct option is A.
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In your own words*I have a practice that is provided in the pic, answer in at least 3 sentences
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This Asian vine was brought to the US, as an Ornamental plant, around the 1900s later their benefits as cattle food and soil coverage (stops soil erosion) were recognized, and was planted in great land extensions, It was until the 1950s that was recognized as "pest".
how many palindromic years will there be in the twenty_first century?
Answers
Answer:
Alot of them.
Explanation:
Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Answers
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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HELP I NEED THE CONCLUSION TO THE CRICKET FROG EVERGLADES LAB!!!! PICTURES ARE BELOW!! WORTH 100 POINTS HELP!!!!
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Answer:
Ummm I am doing the same assignment as you so I do not even know it lol
Explanation:
what usually accompanies a cold spell in minnesota?
Answers
As the human population grows, some minerals in everyday products could
become scarce. Which of the following is the best way to address this
problem?
Answers
Answer:
Explore uses of more plentiful minerals.
Explanation:
Because the use of more can get us more items that can grow the population and interest.
A child with the Gene's for PKU( a recessive disorder that leads to brain damage because proteins aren't digested properly) is raised to adulthood under a strict low protein diet that prevents the gene from being activated. He lives a normal life and eventually becomes a father. As a genetic counselor, explain whether the fact that his gene is inactive affects the probability his future children might inherit PKU allele.
Answers
There is a 25% probability that both of the carrier parents will pass on the mutant gene to the offspring, resulting in PKU.
How is PKU passed down?PKU has an autosomal recessive inheritance pattern within families. A individual has two copies of the gene that is changed if autosomal recessive inheritance applies. A person with PKU typically has one copy of the mutated gene in each parent.
How does a person get PKU or inherit it?PKU is a hereditary condition that is inherited from one's parents. A newborn must inherit a certain gene mutation for PKU from each parent in order to have the condition. if only one parent contributed the gene to the child.
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Identify the terms described by selecting the correct word from the drop down menu
Anything that has mass and take up space
Atom
Element
Matter
The part of earth in which life exists including land water and air
Thermosphere
Biosphere
Exosphere
Answers
1. Matter
2. Biosphere
Answer:
1. Matter
2. Biosphere
Explanation:
CAN SOMEONE PLEASE HELP ME ON BOTH QUESTIONS ASAP!!!! AND DONT PUT LINKS PEOPLE KEEP PUTTING LINKS!!!
Answers
Answer:
A, A
Explanation:
Rivers pick up and move sediment downstream creating landforms.
I believe it is A, not 100% sure. However. heavy rain creates runoff that would push pollution into the rivers and ponds.
Answer:
Question 1. (a)
Question 2. (a) (But I'm not sure about it, I think it can also be D)
Explanation:
1. Which of these describes the role of DNA in a cell? *
a. DNA is the material that forms into the cell's membranes.
b. DNA produces the energy needed for the cell's activities.
c. DNA provides the information to make proteins for the cell.
O d. DNA is the building block for the other molecules in the cell.
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Answer:
c. DNA provides the information to make proteins for the cell.
DNA helps in sending out the information to the cells. DNA provides the information to make proteins for the cell. The correct answer is option C.
What is the full form of DNA ?It stands for the deoxyribonucleic acid.
DNA contains the instructions that are required for any organism in order for the development , survival and reproduce. For carrying out functions, DNA sequences needs to be be converted into messages which can be used for producing out proteins, which are main complex molecules which does the most of work of our bodies.
Every cell in body contains deoxyribonucleic acid (DNA). It is genetic code which makes every person unique. DNA brings out the instructions for development with the growth with the reproduction and functioning of life.
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inguinal lymph nodes are found in
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RNA polymerase binds to a specific DNA nucleotide sequence during transcription.
What is the DNA sequence called where RNA polymerase binds, and initiates transcription?
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The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.
Please help me guys!!
Describe what happened to the deer and wolf populations between 1971 and 1980. How did the number of wolves affect the number of deer?
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Answer:
as the deer pop. increased, the low pop. of starving wolves increased since there are more preys, but the wolves pop. marginally declined as the deer pop. went down.
The changes in the deer and wolf populations between 1971 and 1980 were that the deer population decreased due to an increase in the number of wolves.
What is population?The term population is commonly used to refer to the number of individuals in a given area.
It should be noted that wolves are deer predators, so the wolves kill and eat the deers. In this case, as the wolf population grows, they will hunt and kill deer. This will result in a decrease in the deer population.
In this case, an increase in the wolf population will result in a decrease in the deer population.
On the other hand, assuming the wolf population was reduced, this would have resulted in an increase in the deer population.
Thus, this can be concluded regarding the given scenario.
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Which statement best describes what causes an organism to change over time? Why does the sequoia tree have leaves and bark, why doesn't it look like a really big seed?
Cells gain new DNA as they grow, so as the DNA changes, it gets the new instructions it needs to build the complex tree
All the cells of the sequoia tree have the same DNA, but different genes on the DNA are expressed (or turned on), creating specialized cells
All the cells of the sequoia tree are unique and have different DNA, you have billions of cells, each with different instructions to turn into a complex organism
We have between 20-200 different types of cells each with its own DNA. Those different cells divide and spread their different DNA to various types of the body
Both A and D
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The statement that best describes what causes an organism to change over time is Cells gain new DNA as they grow, so as the DNA changes, it gets the new instructions it needs to build the complex tree.
What is DNA?Deoxyribonucleic acid (DNA) is described as a polymer composed of two polynucleotide chains that coil around each other to form a double helix.
In a cell, we have between 20-200 different types of cells each with its own DNA. Those different cells divide and spread their different DNA to various types of the body.
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explain why nucleic acids cannot be formed from sugars alone
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Answer:
with alcohols to form ester groups; with amines to form amide groups. Sugars. The sugars in DNA and RNA are penthouses.
Can yall tell me if im correct?
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The cell structure provided matches with the images provided in which the nucleus is referred to as the command center and the cell membrane is used to protect the organism from foreign bodies and the arrow in osmosis will move to the right.
What is Organelle?This is referred to as sub cellular structure which have unique roles they perform in cells.
In the question , the organelles and their functions are listed below:
The chloroplast is responsible for the absorption of sunlight for photosynthesis.The nucleus is a control center.The golgi apparatus is responsible for the packaging and transport of materials.The flagellum is used for movement.The mitochondria serves as fuel as it provides the necessary energy needed for the cell's daily activities.The cell membrane is used to protect the organism from foreign bodies.Osmosis on the other hand is the movement of solute molecules from a region of lower concentration to that of a higher concentration which means that the arrow will move to the right.
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Heavy growth in the incubator after bacterial strains were incubated in candle and anaerobic jars
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Answer:
Heavy growth in the incubator refers to the significant increase in the number of bacteria that were being cultured or grown in a controlled environment. The incubator refers to the device that provides the optimal conditions, such as temperature and humidity, for the growth of microorganisms.
Explanation:
When bacterial strains were incubated in candle and anaerobic jars, it means that the bacteria were placed in two different environments to observe their growth. The candle jar is used to create a low-oxygen environment, while the anaerobic jar creates a completely oxygen-free environment. The fact that there was heavy growth observed indicates that the bacteria thrived and multiplied rapidly in both the candle jar and anaerobic jar. This means that the bacterial strains were able to adapt and survive in low-oxygen or oxygen-free conditions. Overall, the observation of heavy growth in the incubator after incubating the bacterial strains in candle and anaerobic jars highlights the ability of these bacteria to flourish in specific environments with limited or no oxygen availability.
Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
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Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
What component of the lake ecosystem is living?
A)
Lake
B)
rocks
trees
D)
water
Answers
The famous radiation of Galapagos finches from the common ancestor species on the Western coast of South America is probably a result of
Answers
Answer:
Adaptive evolution
Explanation:
The radiation of finches in the Galápagos archipelago is the result of the natural selection process described by Darwin as adaptive evolution. Evolution is the process for which the organisms better adapted to its environment have more chances to survive and to reproduce, thereby leaving more offspring in the next generation.
Moreover, adaptive evolution refers to the mechanism for which species evolve by the emergence of advantageous mutations that are fixed through positive selection, thereby favoring the phenotypes that have higher adaptive fitness.
Cancer is a disease in which cells divide rapidly and improperly. Which of the following events is often the cause of cancer?
OA. The immune system begins to attack normal, healthy cells of the body.
O B. Homeostasis fails in the blood, allowing acid levels to increase above normal tolerances.
OC. A nondisjunction error occurs during meiosis, causing cells to appear with an abnormal number of chromosomes.
OD. A mutation changes the regulation of the cell cycle in certain cells or tissues.
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Answer: D A mutation changes the regulation of the cell cycle in certain cells or tissues.
Suppose you were floating in space at a safe distance from a large explosion such as the supernova at left. Do you think you would hear anything? Explain.
Answers
Answer:
No sounds can be heard in outer space because sound waves require a medium, such as air, to travel through.
Explanation:
Which plate boundary interaction is shown in the picture?
A. convergent boundary
B. divergent boundary
C. transform boundary
Answers
The plate boundary interaction which is shown in the picture is referred to as transform boundary and is denoted as option C.
What is a Transform boundary?
This refers to a fault zone which is characterized by two plates sliding past each other horizontally in the earth .
On the other hand, Divergent boundaries refers to the plates moving apart while convergent boundaries refers to the plates are colliding with each other as a result of different types of factors such as temperature, pressure etc.
This is therefore the reason why transform boundary was chosen as the most appropriate choice according to the picture given in the question.
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Which instruments has indefinite pitch