Answer:
yes
Explanation:
The sun is made mostly of hydrogen which is a food for cells so the sun must be alive. Onions are loaded with cells so onions are a living thing.
Where is the gene for eye color found in a cell
Answer:
OCA2 and HERC2
Explanation:
86
2
Describe the path followed by a sound wave from its source to the cochlea in
the human ear.
Answer:
Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes. M not sure
Define each of the following terms AND provide an example of each.
chromosome
DNA
double helix
messenger RNA (mRNA)
nucleotide
RNA
transcription
translation
Student A has 64 grams of water in their water bottle. Student B has 1.3 kilograms of water in their water bottle. Student A has more water in
their water bottle.
O True
O False
Answer:
False
Explanation:
Water in student A's bottle = 64 grams
Water in student B's bottle = 1.3 kg = 1300 grams
1300 grams > 64 grams
So, Water in student B's bottle > Water in student A's bottle.
Which statement is true?
A.
A hypothesis must be based on the researcher's analysis of the data collected in the experiment.
B.
A hypothesis must be testable for it to be useful in scientific research.
C.
A hypothesis must be supported by the results of the research study.
Answer:
B
Explanation:
The hypothesis comes before any experiements
Organic semiconductors are a new technology that scientists are considering for the next generation of solar
panels. Manufacturers want to produce efficient semiconductors at a low cost. Which type of organic
semiconductors would be most desired as a solar panel technology?
The specific properties of the most desired organic semiconductors for solar panel technology may evolve as advancements are made in the field.
In the context of solar panel technology, the most desired type of organic semiconductors would typically possess the following characteristics:
High Efficiency: The organic semiconductors should have a high power conversion efficiency, meaning they can efficiently convert sunlight into electricity. This is crucial for maximizing the electricity output of solar panels.
Tunable Bandgap: Organic semiconductors with a tunable bandgap would be advantageous. The bandgap determines the range of light wavelengths that can be absorbed by the material. A tunable bandgap allows for optimization to match the solar spectrum, enabling better absorption of sunlight and improved overall efficiency.
Long Operational Lifetime: The organic semiconductors should be stable and exhibit a long operational lifetime. Solar panels are expected to endure outdoor conditions for many years, so the materials used should be resistant to degradation, such as from exposure to UV radiation or moisture.
Scalability and Low Cost: Manufacturers aim to produce organic semiconductors on a large scale at a low cost. Therefore, desirable organic semiconductors should be readily synthesized using cost-effective methods and be compatible with high-volume manufacturing processes.
Environmental Friendliness: Organic semiconductors that are environmentally friendly and have low toxicity are desirable. This is aligned with the goal of sustainable and clean energy technologies.
It is important to note that the field of organic semiconductor research is still evolving, and scientists are continually working to improve the performance and characteristics of these materials.
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1 What does the codon sequence on the mRNA strand determine?
A The gene sequence of the DNA
B The amino acid sequence of the polypeptide
C The codon that is signaled
D The signaling sequence
2 What portion of the DNA is also known as a gene?
A The coding sections
B The non-coding sections
C The mRNA strand
D The polypeptide sequence
1. The correct answer is B.
2. The correct answer is A.
The codon sequence on the mRNA strand determines the amino acid sequence of the polypeptide.
The coding section is the portion of the DNA that is also known as a gene. Genes are the functional units of DNA that provide the instructions for making proteins. They are composed of coding cells, also known as exons, that contain the information needed to build the polypeptide, and non-coding sections, also known as introns, that do not.
The codon sequence on the mRNA strand is translated by the ribosome during protein synthesis. Each codon, which is a sequence of three nucleotides, corresponds to a specific amino acid. The ribosome reads the codon sequence on the mRNA strand and adds the corresponding amino acids to the growing polypeptide chain. This process is called translation.
In DNA, genetic information is encoded in the sequence of nucleotides, which are the building blocks of DNA. Genes are specific segments of DNA that contain the instructions for making a specific protein. These instructions are encoded in the sequence of nucleotides within the coding sections of the DNA, also known as exons. The non-coding sections, also known as introns, do not contain instructions for making proteins, but they play important roles in the regulation of gene expression.
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Match each part of a cell with the body part that has a similar function.
Nucleus
Cell membrane
Mitochondria
Cytoplasm
Answer:
Nucleus: blood
Cell Membrane: skin layer
Mitochondria; stomach
Cytoplasm: brain like structure
I'm not really sure of my answers.
Explanation:
The function of nucleus matches with that of brain and the function of cell membrane with that of Golgi bodies. Similarly, the function mitochondria is similar with that of liver and the function of cytoplasm is similar to that of skin.
What is a cell?
Cell is the basic unit of living bodies. A cell contains a nucleus, cell membrane, lysosomes, Golgi bodies etc.
Nucleus regulates all the functions of a cell as brain do in our body. Cell membrane helps to transport ions inside the cell as Golgi bodied do.
Mitochondria provide the energy and produce the chemicals needed for all chemical processes in the cell as liver do in our body.
Therefore, nucleus and brain matches in function and cell membrane and Golgi bodies matches in function. Similarly mitochondria and liver marches as well as cytoplasm and skin matches in functions.
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If a cell membrane were completely permeable to all substances, could the cell continue to live? Explain your answer in depth.
1. Does a scientific theory ever become a law? Explain
the difference between scientific theory and law.
Answer:
a theory cannot become a law
Explanation:
the difference between a scientific theory and a scientific law because a theory is an in depth explanation of an observed phenomenon. a law is a statement about an observed phenomenon or an unifying concept (i.e.: newtons law or gravity - no explanation on how it works or what it is just that it exists.)
Please help me
The ____ system regulates body temperature.
endocrine
excretory
cardiovascular.
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Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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Where is the cell body for the preganglionic neuron found?
Some preganglionic neuron synapses with the cell body of the
postganglionic neuron in the
ganglion
These ganglia are linked together to form the
Name some of the tissue/organs are innervated by these neurons:
Other preganglionic neurons pass through the sympathetic trunk and
synapse with the postganglionic neuron anterior to the spinal cord in
ganglia.
The axons of these preganglionic neurons are called
nerves.
Name some of the tissue/organs are innervated by these neurons:
The sympathetic nervous system also send neurons directly from the
spinal cord to synapse onto the
gland.
This would cause the release of
into the
blood.
What would be some effects?
Is the sympathetic preganglionic neuron long or short?
Is the sympathetic postganglionic neuron long or short?
PARASYMPATHETIC NERVOUS SYSTEM
From where in the CNS do sympathetic neurons originate?
What cranial nerves carry parasympathetic impulses?
3
Answer:
Location of the Cell Bodies Also, the cell bodies of the preganglionic neuron are located in the brain or spinal cord while the cell bodies of the postganglionic neuron are located in the ganglion. Axons of Preganglionic and Postganglionic Neurons
Name two pieces of laboratory equipment that can be used
to measure mass.
Answer:
Scientists measure mass with a balance, such as a triple beam balance or electronic balance. In science, the volume of a liquid might be measured with a graduated cylinder.
Explanation:
According to a 2018 report by the IPCC, how many years do we have to reduce carbon dioxide emissions to keep warming under 1.5°C?
12
15
37
22
Explanation:
According to a 2018 report by the IPCC, how
PLEASE HELPPP
Which scenario would most likely result in genetic drift?
A gardener plants only the seeds from last year's largest vegetables.
A hurricane cuts off a small section of beach from the mainland, dividing a population of sand fleas.
Individual bacteria not killed by a given antibiotic produce offspring that are also unaffected by the same.
Noise pollution prevents female frogs from hearing males with higher-pitched voices, but not males with lower-pitched voices.
Answer:
A gardener plants only the seeds from last year's largest vegetables
Explanation:
The gardener plants only seeds of last year's largest vegetables because he knows that these seeds grows larger like their previous generation.For more profit he plants only them .– The Answer is ( A gardener plants only the seeds from last year's largest vegetables. )
Explanation:– Because only planting seeds from last year’s largest vegetable is often after population bottlenecks, which are events that greatly reduce the size of a population, which is likely to result in genetic drift of scenario a gardener.
What is genetic drift?Genetic drift is define as the change in the frequency of an existing gene variant in a population due to random sampling of organisms.– For More Information About genetic drift:
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Drag the tiles to the correct boxes to complete the pairs.
Match each form of energy to its description.
gravitational potential
Motion energy refers to the energy related to an object's movement. When an object is in motion, it possesses kinetic energy, which is a form of motion energy.
How to explain the energyThe matching will be:
motion energy = energy related to an object's movement
chemical energy = stored energy related to positions of atoms within molecules
thermal energy = energy of motion of particles in a substance
nuclear energy = energy released when a nucleus splits or combines
gravitational potential energy = energy related to height
sound energy = energy generated by vibration of a string
Chemical energy is stored energy that is related to the positions of atoms within molecules. It is the energy that can be released or absorbed during a chemical reaction. When chemical bonds are formed or broken, energy is either released (exothermic reaction) or absorbed (endothermic reaction) in the process.
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The above figure gives the cost figures for Jones farm which produce es wheat and sells it in the competitive market for wheat. The quantity of wheat produces in the figure is in the thousands of bushels. At the market price of $10 for wheat Jones farm will reduce thousand bushels of wheat in the short run, and make a profit of
The above figure gives the cost figures for Jones Farm which producees wheat and sells it in the competitive market for wheat. The quantity of wheat produces in the figure is in the thousands of bushels.
At the market price of $10 for wheat Jones farm will reduce a thousand bushels of wheat in the short run, Jones farm will produce 4,000 bushels of wheat in the quick run and make earnings of $10,000.
To answer this question, you need to discover the income-maximizing output stage for Jones Farm, that is wherein the marginal revenue (MR) equals the marginal cost (MC). Since the market rate of wheat is $10 and Jones Farm is a fee-taker in an aggressive marketplace, the MR is likewise $10.
Looking at the discerning, you could see that the MC curve intersects the MR line at 4,000 bushels. This manner that Jones Farm will produce 4,000 bushels of wheat in the quick run to maximize its income.
To find the profit, you want to subtract the full value (TC) from the full revenue (TR). The TR is manufactured from the fee and the amount, which is $10 x 4,000 = $40,000.
The TC is given by the TC curve at 4000 bushels, which is $30,000. Therefore, the income is $40,000 - $30,000 = $10,000.
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The above question is;
"The above figure gives the cost figures for Jones farm which produce es wheat and sells it in the competitive market for wheat. The quantity of wheat produces in the figure is in the thousands of bushels. At the market price of $10 for wheat Jones farm will reduce thousand bushels of wheat in the short run, and make a profit of"
Why there were no clear zones for using LB media with 1% olive oil for screening lipilytic bacteria
The reason for the clear zone may be that there is Insufficient lipolytic activity.
Why the clear zone?The absence of clear zones when using LB media with 1% olive oil for screening lipolytic bacteria could be due to Insufficient lipolytic activity.
Enzymes called lipases, which are produced by lipolytic bacteria, break down fats and oils. It's possible that the bacteria utilized in the experiment won't create lipases or have poor lipolytic activity, which would prevent them from efficiently hydrolyzing the olive oil in the media. There wouldn't be any observable clearing or lipid hydrolysis zones as a result.
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The process that could not take place unless the cell is living is
a
diffusion
b
osmosis
с
water movement
d
active transport
Answer:
The Answer is D Active transport
Explanation:
Because Diffusion and Osmosis occur in both living and dead cells. also water movement is done via diffusion. Active transport happens only when the cell is alive.
If inhibitor X changes sucrase activity to a Vo of 0.25 mM per minute when [S] = 5.0 mM, and a Vo of 0.333333333333 mM per minute when [S] = 2.0 mM, calculate the new Vmax. A. 0.50 mM per minute
B. 1.0 mM per minute
C. 2.5 mM per minute
D. 5.0 mM per minute
E. 10.0 mM per minute
The new Velocity_max is 0.5 mM per minute, which corresponds to option A.
To calculate the new Vmax, we can use the Michaelis-Menten equation, which relates the reaction rate (Vo) to the substrate concentration ([S]) and the maximum reaction rate (Vmax). The equation is given as:
Vo = (Vmax × [S]) / (Km + [S])
We have two sets of data points:
[S] = 5.0 mM, Vo = 0.25 mM/min
[S] = 2.0 mM, Vo = 0.333333333333 mM/min (approximately 1/3 mM/min)
From the first set of data, we can calculate the Km value by rearranging the Michaelis-Menten equation as:
Km = ([S] × Vmax) / (Vo - Vmax)
Substituting the values, we get:
Km = (5.0 mM × Vmax) / (0.25 mM/min - Vmax)
Similarly, from the second set of data, we get:
Km = (2.0 mM × Vmax) / (0.333333333333 mM/min - Vmax)
Since Km should be constant, we can set the two equations equal to each other:
(5.0 mM × Vmax) / (0.25 mM/min - Vmax) = (2.0 mM × Vmax) / (0.333333333333 mM/min - Vmax)
By solving this equation, we find Vmax = 0.5 mM/min.
Therefore, the new Vmax is 0.5 mM per minute, which corresponds to option A.
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What is produced besides a polymer during dehydration synthesis?
Answer:
They are an important type of chemical reaction for living organisms since they produce many important biological polymers like proteins and polysaccharides.
Explanation:
biology home work 8 questions
Simple diffusion and Facilitated diffusion are the two primary categories of diffusion.
Simple diffusionAn action where the substance passes across a semipermeable barrier or solution without the aid of transport proteins. For instance, bacteria use simple diffusion to transport minute nutrients, water, and oxygen into the cytoplasm.Facilitated diffusionFacilitated diffusion is the passive transfer of molecules from the area of higher concentration to the area of lower concentration across the cell membrane using a carrier molecule.
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Which term is associated with asexual reproduction but not sexual reproduction?
A. fertilization
B. conjugation
C. Fission
Answer:
B
Explanation:
When ATP is hydrolyzed, are you adding water or removing it? Explain 20 points I’ll do brainlest too
Answer:
Are there answers
Explanation:
Answer:
adding water
Explanation:
hydrolysis means adding water to it
Which of these stages of cell respiration takes place in the cytoplasm of the cell?
Which of these stages of cell respiration takes place in the cytoplasm of the cell?
Electron Transport Chain
Photosynthesis
Glycolysis
Krebs Cycle
Answer:
Glycolysis
Explanation:
It's the first stage of cellular respiration and it takes place in the cytoplasm.
tRNA carries these organic compounds to MrNa for proteins to be synthesised
Answer:
Amino Acids?
Explanation:
Answer:
Amino acids.
Explanation:
In 3–5 sentences, relate the impact of the industrial use of water for hydraulic fracturing (fracking) with the availability and quality of water.
SOMEONE PLEASE HELP!
Answer:
The industrial use of water for hydraulic fracturing, or fracking, can have a significant impact on the availability and quality of water resources. Fracking requires large volumes of water to be mixed with chemicals and injected underground to extract oil and gas from shale formations. This high demand for water can strain local water supplies, especially in regions already facing water scarcity or drought conditions. Moreover, the water used in fracking becomes contaminated with various chemicals and pollutants, making it challenging to treat and potentially affecting the quality of nearby water sources through leakage or spills. The potential depletion and contamination of water resources due to fracking underscore the importance of careful management and regulation to ensure the sustainable use and protection of water supplies.
Explanation:
1 bottle of study medication containing 100 tablets was supplied to the research center .55 tablets were ingested and 3 tablets were lost . how much study medication is on hand?
The number of study medications left on hand currently is found to be 42.
What is Medication?Medication may be defined as any form of drug or preparation that is effectively utilized in order to treat and cure illness. It completely involves the science and practice of caring for a patient with respect to all perspectives.
According to the context of this question,
The total number of study medications in a bottle = 100.
The number of tablets that were ingested = 55.
The number of tablets that were lost = 3.
Now, the total number of tablets that were left on the bottle = 100 - 58 = 42.
Therefore, the number of study medications left on hand currently is found to be 42.
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the organisms that feed on dead and decaying matter are called
A. Saprotrophs
B. Autotrophs
C. Heterotrophs
D. Parasite
The organisms that feed on dead and decaying matter are called Saprotrophs.
An organism that feeds on dead and decaying organic matter is called a saprotroph. These organisms are heterotrophic, which means that they obtain their food from other sources. They are important in the ecosystem because they break down dead organic matter and recycle it back into the soil, making nutrients available to other living organisms
Answer:
A. Saprotrophs
Explanation:
Saprotrophs are organisms that obtain their nutrients by feeding on dead and decaying matter. They play a crucial role in the ecosystem by decomposing organic material and recycling nutrients back into the environment.
These organisms secrete enzymes that break down complex organic compounds into simpler substances, such as sugars and amino acids, which they can absorb and utilize for their own growth and energy needs. Examples of saprotrophs include fungi (such as mushrooms and molds) and certain bacteria.
Unlike autotrophs, which can produce their own food through photosynthesis or chemosynthesis, saprotrophs rely on external sources of organic matter for their nutrition. They actively decompose dead plants, animals, and other organic materials, aiding in the process of nutrient recycling and decomposition.
Heterotrophs, on the other hand, are a broader category of organisms that obtain their nutrients by consuming other living or dead organisms. This includes saprotrophs, as well as other types of organisms such as herbivores, carnivores, and omnivores.
Parasites, meanwhile, are organisms that live in or on other organisms, known as hosts, and obtain their nutrients from the host while causing harm or damage to it. Unlike saprotrophs, parasites typically rely on a living host for their sustenance rather than feeding on dead and decaying matter.
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