Explanation:
biodiversity is biology lesson
biodiversity is one part of around biodiversity means skin
Where does the 2nd stage of cellular respiration take place?
Answer: In the matrix.
Explanation: The second stage of cellular respiration, the Krebs cycle, takes place in the matrix.
At Happy Harry’s Laundromat, the dryer costs $1.50 for 10 minutes. At Jolly Judy’s Laundromat the dryer costs $2.25 for 15 minutes. Which laundromat offer the better deal?
After reading about the scientific method, explain why it's important to follow the steps outlined in the scientific method carefully. How can researchers prevent mistakes and errors in their experiments? A good answer should include the following: Importance: So that the results would be due to the specific variables tested and not due to something else So that other researchers could follow the steps and carry out the same experiments Prevent mistakes: Carefully selecting variables Following the steps outlined in the procedure Carefully and accurately measuring quantitative data
Answer:
hope this helps. Cutting a gold bar in two pieces and then putting the pieces next to each other: It is a physical change but it is not reversible as original state is not achieved again. b) burning a match and then relighting it: This is a chemical change as new substances are formed.
Explanation:
Answer:
It's important to follow the steps outlined in the scientific method carefully
so that the results would be due to the specific variables tested and not due to something else. Not only that but this also allows other researchers to follow the steps and carry out the same experiments.
Researchers can prevent mistakes and errors in their experiments by
carefully selecting variables, following the steps outlined in the procedure and carefully and accurately measuring quantitative data
Explanation:
Based on your knowledge of scientific laws and theories, which of the following is true?
a. Both laws and theories can be expressed in terms of a single mathematical equation.
b. They are ordered, with theories coming before laws.
c. A law explains what happens; a theory explains why something happens.
d. Neither laws nor theories can ever change.
Answer:
C
Explanation:
A law is an observation; a theory is the explanation of that observation.
source: http://www.differencebetween.net/miscellaneous/culture-miscellaneous/difference-between-theory-and-law/
In science, a scientific law is a descriptive statement or mathematical equation that describes a natural phenomenon or pattern consistently observed in the natural world.
The correct statement is option c.
The statement explains what happens and is often based on empirical evidence obtained from repeated observations and experiments.
On the other hand, a scientific theory is a well-substantiated and comprehensive explanation of some aspect of the natural world. It goes beyond mere observation and provides an understanding of why and how a particular phenomenon occurs. A scientific theory is supported by a substantial body of evidence, and it can be used to make predictions about future observations or experiments.
Scientific laws and theories are both essential components of scientific understanding, and they are not ordered in terms of coming before or after each other.
Hence , C is the correct option
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Differences Between DNA and RNA include all of the following except that
DNA and RNA differ in structure, function, and synthesis. They have distinct roles in storing and transmitting genetic information, and in protein synthesis.
DNA (Deoxyribonucleic acid) and RNA (Ribonucleic acid) are the two essential nucleic acids found in living organisms. They both are composed of nucleotides, which are the building blocks of the nucleic acids. DNA and RNA are responsible for the storage, transmission, and interpretation of genetic information in living organisms.There are some differences between DNA and RNA.
Some of them are listed below: Structure: DNA is a double-stranded molecule that forms a helical shape, while RNA is usually single-stranded, but can form a helical shape in some instances. DNA is a long polymer that consists of repeating units called nucleotides. In contrast, RNA is usually much shorter than DNA, consisting of only a few hundred nucleotides. Function: The primary function of DNA is to store and transmit genetic information, whereas the primary function of RNA is to transfer genetic information from DNA to the ribosomes where proteins are synthesized.
Transcription and Translation: Transcription is the process in which DNA is used as a template to produce RNA, while translation is the process in which the information carried by RNA is used to synthesize proteins. DNA is transcribed into RNA by the enzyme RNA polymerase, whereas RNA is translated into proteins by the ribosome.Differences between DNA and RNA include all of the following except that they have the same function. DNA and RNA differ in their structure, function, and the way they are synthesized and utilized. They are both important nucleic acids, but they have different roles and properties in living organisms.
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a noninvasive diagnostic technique that uses a modified endoscope, called a hysteroscopy, to evaluate the uterine cavity is called a laparoscopy. true or false
It is false that a noninvasive diagnostic technique that uses a modified endoscope, called a hysteroscopy, to evaluate the uterine cavity is called a laparoscopy.
What is uterine cavity?
The uterine cavity, or internal uterine space, is important for sexual function, sperm fertilization of the egg, and baby development throughout pregnancy.
Ectopic abdominal pregnancy in the broad ligament is a rare occurrence with a substantial risk of maternal death. Although an ultrasound check may aid in an early diagnosis, most diagnoses are made following surgery.
Therefore, It is false that a noninvasive diagnostic technique that uses a modified endoscope, called a hysteroscopy, to evaluate the uterine cavity is called a laparoscopy.
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what does food substance. means again
Identify the choice that best completes the statement or answers the question.
Tamar is talking about evolution with a friend. The friend says, "It's just a theory,
so I don't believe it. When they prove it and it becomes the law of evolution, then
maybe I'll change my mind."
Which of these possible replies best describes scientific principles or the work of
scientists?
Scientific theories do not become scientific laws; they are explanations for natural
phenomena based on evidence.
Scientists take each other at their word regarding experimental results, and the public
should, too.
O He should be wary of science because it is based on research and evidence, not bias and
opinion.
Science always finds the right answer; the answers that scientists and researchers
discover never change.
Answer:
The answer is: Scientific theories do not become scientific laws; they are explanations for natural phenomena based on evidence.
Explanation:
The other answers talk about how 1) Science should be bias or opinion based 2) Scientists only take each other's word and 3) Science never changes. All of these are false. Science does sometimes change, it should not be bias or opinion-based, and scientists do not always take each other's words.
Answer:
Scientific theories do not become scientific laws; they are explanations for natural phenomena based on evidence.
Explanation:
Why do my messages not work??????
Answer:
mine don't work too
Explanation:
im think u have to awnser a 1000 questions or more for it to work
True or False: In an experiment to avoid errors you should only change one variable, all other factors should remain the same.
Answer:
True
Explanation:
In an experiment, if you change more than one variable at a time, you will not know what is causing the potentially different outcome. If you only change one variable and leave all other factors constant, you will know exactly what is causing the data.
I hope this helps!
-TheBusinessMan
Form a hypothesis that explains your choice. You will be able to revise your hypothesis after performing experiments.
Hello. You have not informed the experiments to which the question refers, which makes it impossible for hypotheses to be formed. However, I will try to help you in the best possible way.
A hypothesis is an assumption, that is, it is a statement that the researcher believes to be true in relation to the research results, which can be proven or denied when the experiment is finished and the conclusions are established. Therefore, you must make assumptions about the results of the experiment, based on your primary visualization of them.
Classify each scenario as the result of epigenetics, the environment, both, or neither.
-Chris's high sugar diet causes a demethylation of genes associated with Type 2 diabetes
-Matt is taller than his dad because Matt eats a more nutritious diet.
-DNA methylation decreases as cells age.
-The offspring of a mouse are anxious because she experienced stress while pregnant.
-A newborn is diagnosed with Down syndrome even though it does not run in the family.
-A patient has Angelman syndrome because his mother has the syndrome.
-An essential gene in the fruit fly is inactive at 29 deg. Celsius and active at 22 deg. Celsius.
Epigenetics refers to the changes in gene expression that are not caused by alterations in the underlying DNA sequence. Instead, epigenetic changes are due to modifications in the structure of DNA and the proteins that package it, which can affect whether genes are turned on or off.
The environment can also have an impact on gene expression by causing epigenetic changes or directly affecting the activity of certain genes. In some cases, both epigenetics and the environment can contribute to a particular outcome, while in other cases, neither may be involved.
The offspring of a mouse are anxious because she experienced stress while pregnant - This scenario is the result of both epigenetics and the environment. The stress experienced by the pregnant mouse can cause epigenetic changes that affect gene expression in her offspring, while the environment in which the offspring are raised can also have an impact on their anxiety levels.
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Enzymes are ___________ that speed _______ reactions by lowering _________________ ________. Proteins _________ in extreme conditions such as ____________&___________; when enzymes _________ they are no longer functional because the ___________ must fit in the ________ _____ for the reaction to occur.
Answer:
enzyme are protein that speed chemical reaction ..
Use the allosteric constant (L) to
explain how the Monod-Wyman-
Changeux (MWC) model accounts
for cooperative effects(5)
The allosteric constant (L) helps to explain how the Monod-Wyman-Changeux (MWC) model accounts for cooperative effects.
The Monod-Wyman-Changeux (MWC) model explains how cooperative effects occur in proteins. The MWC model considers allosteric proteins as a quaternary structure with multiple subunits that may exist in two conformational states: the T (tense) and R (relaxed) states.
The model relies on the hypothesis that binding of the first ligand increases the protein's affinity for the subsequent ligand. The MWC model incorporates the allosteric constant (L), which is the ratio of the affinity of R and T conformations for ligand binding.
A cooperative binding curve is obtained when the concentration of the ligand is plotted against fractional saturation. The slope of the Hill plot indicates the degree of cooperativity. If Hill's slope (n) is equal to one, the protein follows simple Michaelis-Menten kinetics and has no cooperativity.
If the slope of the Hill plot is greater than one, the protein exhibits positive cooperativity. The protein has an increased affinity for the ligand when one molecule binds to the other. If the slope of the Hill plot is less than one, the protein exhibits negative cooperativity.
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How is biotechnology being used in the fields of medicine, forensics, or agriculture? choose all that apply.
Biotechnology is used in medicine, forensics, or agriculture for the manufacture of vaccines and the incorporation of cells and genes in plants.
What is biotechnology?Biotechnology is the integration of natural sciences and engineering sciences to achieve the application of organisms, cells, their parts, and molecular analogs to products and services.
Agricultural biotechnology is a new tool in plant and animal improvement science. This technique uses cell and gene (DNA) merging technology to improve plants and animals or to produce new products.
The use of biotechnology in the medical field includes genetic engineering, making insulin hormones, cloning, making antibiotics, making vaccines, plasmid technology, DNA recombination, cell fusion, or hybridomas.
Your question is incomplete. Maybe the meaning of your question is:
How is biotechnology being used in the fields of medicine, forensics, or agriculture? choose all that apply.
The manufacture of vaccines and the incorporation of cells and genes in plants.Unable to identify people by DNA profile.Learn more about the benefits of biotechnology here :
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What is the name of the male reproductive organ on a flower?
Answer: Stamens
Explanation: A stamen consists of an anther (which produces pollen, the male reproductive cell) and a filament.
Either too much or too little potassium in the blood can cause Multiple Choice excessive sweating. Extreme hunger. Liver damage. O heart problems
Either too much or too little potassium in the blood can cause heart problems, option (d) is correct.
Potassium is an essential electrolyte that plays a crucial role in various bodily functions, including nerve and muscle function, heart rhythm, and fluid balance. However, excessive or insufficient amounts of potassium can lead to serious health problems. Hyperkalemia, or high potassium levels, can cause irregular heartbeats, weakness, numbness, and even cardiac arrest.
On the other hand, hypokalemia, or low potassium levels, can lead to muscle weakness, cramps, and abnormal heart rhythms, which can also increase the risk of heart failure. It is recommended to maintain potassium levels within the normal range through a balanced diet that includes potassium-rich foods such as bananas, avocados, spinach, and sweet potatoes, option (d) is correct.
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The correct question is:
Either too much or too little potassium in the blood can cause (Multiple Choice)
a. excessive sweating
b. extreme hunger
c. Liver damage.
d. heart problems
recent research has suggested that postpartum depression is related to the hormone ______.
Recent research has suggested that postpartum depression is related to the hormone oxytocin.
A hormone called oxytocin is essential for birthing and nursing. Because it plays a role in social bonding, trust, and attachment, it is sometimes referred to as the "love hormone" or "bonding hormone." Oxytocin levels have been discovered to fluctuate during the postpartum period, and abnormalities in these levels have been linked to a higher risk of postpartum depression. The complicated state of postpartum depression, which is impacted by a number of elements, including hormonal, psychological, and social aspects, must be kept in mind, though. To completely comprehend the connection between oxytocin and postpartum depression, further study is still required.
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What is the function of proteins in muscles?
Answer: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell
Explanation:
Consider two ecosystems that scientists have labeled as ecosystem A and ecosystem B. Scientists have found that both ecosystems are home to a roughly equal number of species. However, ecosystem A is dominated by a small number of species that are very abundant. Ecosystem B, by contrast, has a more even abundance of organisms across its species.
Ecosystem B has a greater biodiversity than ecosystem A.
What is an ecosystem?The ecosystem is a system that is composed of the living and the non living parts. We know that the ecosystem is self supporting and as such the there is a movement of matter and energy in the ecosystem as we know.
Thus, if we look at the ecosystems A and B, it is clear that there is a greater biodiversity in ecosystem B than ecosystem A. This is because the scientists have found that it has a more even abundance of organisms across its species.
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If we did not have the atmosphere what will happen to the temperatures on Earth?
Answer:
Without the atmosphere, the solar radiation would heat the Earth during the day and escape during the night. Thus, if there were no atmosphere around the Earth, the Earth's temperature would increase during the day and decrease during the night.
Explanation:
what retinal cells are damaged if the optic nerve is severed
retinal cells are damaged if the optic nerve is severed ganglion cells.
Retinal ganglion cells (RGC) project their axons along the optic nerve and are responsible for the propagation of visual stimuli to the brain. In humans, 50% of RGC decussate within the chiasm with 80% terminating in the lateral geniculate nucleus .
Ganglion cells are the projection neurons of the vertebrate retina, conveying information from other retinal neurons to the rest of the brain. Their perikarya are the largest of any retinal neurons and are located along the inner margin of the retina, in the ganglion cell layer.
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What is artificial selection??
A.) a natural process
B.) A process during which human intentionally breed organisms with desirable traits.
C.) A process during which humans speed up the process of reproduction in organisms.
D.) A process during which humans genetically modify an organisms DNA.
Answer:
i believe the answer is b
Explanation:
The chemical energy of coal and gas is being used up and cannot be renewed.
TRUE OR FALSE
Answer:
True
Explanation:
Coal and gas are examples of non-renewable resources. Renewable resources are sources of energy that can be replenished to replace the portion of the resource that was already used. Examples of renewable resources include wind energy, solar energy, wood, hydropower, etc. There are finite coal and gas on Earth, so they are not renewable.
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which combination of cells and growth factors would serve as the control group?(normal cell or mutated cell)
The mutated cells would serve as the control group with the combination of cells and growth-factor, thus the correct option is B.
Proteins that bind to certain receptors and initiate a cascade of signal transductions are known as growth factors. The growth factors trigger apoptosis, proliferation, and development. The gene NGF controls nerve growth-factor.
It gives instructions on how to manufacture the beta protein, which is crucial for the nerve cell's survival and growth. A kind of substance called epidermal growth-factor promotes cell division and proliferation. These elements aid in the healing and restoration of the wound and the blood vessel walls that have been injured.
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The complete question is:
Which combination of cells and growth factors would serve as the control group?
A. normal cell
B. mutated cell
Keystone species can have significant influences over several populations in a community through:____.
Keystone species can have significant influences on several populations in a community through the effect of high amounts of biomass and energy transfer between populations.
A keystone species is a type of organism that defines the whole ecosystem and hold together the complicated network of relationships between the organisms.
These species have immense importance in an ecosystem and serve as the key drivers of the entire system.
Without these species, the ecosystem would stop dramatically or cease to exist at all.
Undoubtedly, they have less function redundancy yet the maximum impact on the working and existence of the entire ecosystem.
They can be plants, animals, or microorganisms, for example, elephants, sea otters, and wolves.
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Calculate the total intake and output (in mL ) for a 12-hour shift: Enteral tube feedings at 50 mL/hr, two units of 250 mL packed red blood cells, normal saline at 75 mL/hr, urine output of 1050 mL.
In a 12-hour shift, the total intake is 2000 mL, including enteral tube feedings, packed red blood cells, and normal saline. The total output is 1050 mL, primarily from urine.
To calculate the total intake and output for a 12-hour shift, we need to consider the various sources of intake and output. Here's the breakdown:
Intake:
- Enteral tube feedings at 50 mL/hr for 12 hours: 50 mL/hr * 12 hours = 600 mL
- Two units of packed red blood cells, each unit is 250 mL: 2 units * 250 mL/unit = 500 mL
- Normal saline at 75 mL/hr for 12 hours: 75 mL/hr * 12 hours = 900 mL
Total intake: 600 mL + 500 mL + 900 mL = 2000 mL
Output:
- Urine output of 1050 mL
Total output: 1050 mL
Therefore, the total intake for the 12-hour shift is 2000 mL and the total output is 1050 mL.
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what is the main function of cellulose in plants? A. provide physical support B. Convert sunlight into carbohydrates C. Capture water and sunlight D. provide water and oxygen
A. provide physical support
what happens when plants transpire too much water?
When plants transpire too much water, they can suffer from dehydration.
This can cause the leaves to wilt and turn yellow, and the plant may not be able to photosynthesize properly. If the dehydration becomes severe, it can even cause the plant to die.
Therefore, it is important to make sure that plants are not transpiring too much water and are receiving adequate moisture.
What is Transpiration?
Transpiration is the process of water vapor being released from plants through their leaves. It is a major part of the water cycle, and it also helps to keep the plant cool.
Therefore, When plants transpire too much water, they can suffer from dehydration.
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which transition corresponds to the emission of a 177 nm photon
The emission of a 177 nm photon corresponds to a transition involving a high-energy state of an atom or molecule. Specifically, it likely corresponds to the ionization of a molecule, where an electron is ejected from the molecule's outermost shell, resulting in the emission of a photon with a wavelength of 177 nm.
Ionization can occur through a variety of mechanisms, such as absorption of high-energy radiation (such as X-rays or gamma rays) or interaction with high-energy particles (such as alpha particles or beta particles). In the case of the 177 nm photon emission, it may correspond to the ionization of a molecule by an electron impact or by absorption of high-energy ultraviolet radiation.
Ionization is a fundamental process in many areas of science, including atmospheric science, materials science, and nuclear physics. Understanding the mechanisms ofand the resulting emission of photons can provide important insights into the properties and behavior of molecules and materials under extreme conditions.
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