The Law of conservation of energy only applies to closed systems that can't exchange energy with their environment.
The law of conservation of energy, also known as the first law of thermodynamics states that the energy in a closed system must remain constant and cannot increase or decrease without outside influence. In an open system, both energy transfer and mass transfer take place. Therefore, both the law of conservation of energy and the law of conservation of mass is taken into account.
Storage rights cannot be applied to open systems because by definition things can be put into and taken out of open systems. So you can always add charge momentum energy etc. to open systems. Non-insulated and insulated systems, energy conservation. To solve the work and energy problem, we need to identify the systems we work with.
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Which is NOT
true about
dredging?
A. This is a naturally occurring process. This
B. It removes sediment from the
bottom of bodies of water.
C. It is a form of habitat loss.
D. It disrupts the organisms that live at
the bottom of rivers and lakes.
Answer:
omg
Explanation:
am sorri
Answer: A. This is a naturally occurring process.
Explanation: "The dredging process combines digging the soil in the water bed and removing or extracting that soil from the excavated surface by creating a vacuum or plain-suction."
C. Which substances are inputs in respiration?
Which substances are outputs of respiration?
Glucose and oxygen are the inputs whereas water and carbon dioxide are the outputs of respiration.
The process of obtaining oxygen into the body and emotional greenhouse emission is named respiration. Respiration is simply the movement of oxygen into the body and carbon dioxide emission out of the body.
The primary fuel for respiration could be a molecule of glucose, that is employed to form energy. Within the cellular world, energy could be a charged molecule with 3 phosphate teams referred to as adenosine triphosphate (ATP). Cellular respiration converts oxygen and glucose into water and carbon dioxide emission. Water and carbon dioxide emission are by- product and adenosine triphosphate is energy that's remodeled from the method.
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Why was Rosa parks jailed
Answer:
because she refused to sit in the back of the bus in the black section
Answer: For not giving up her seat and moving to the back of the bus.
Explanation:
She refused on principle to surrender her seat because of her race, which was required by the law in Montgomery at the time. Parks was briefly jailed and paid a fine. But she was also a long-time member of the NAACP and highly respected in her community.
What species of fungus is used in produced of acid wash jeans to give them their distinct faded look?.
Myceliopthora thermophila species of fungus is used in produced of acid wash jeans to give them their distinct faded look.
Slight fungal skin infections can appear like a rash and are very commonplace. for example, ringworm is a skin infection because of a fungus—now not a computer virus. Fungal infections inside the lungs may be more severe and frequently cause signs that are similar to different illnesses, consisting of bacterial pneumonia or tuberculosis.
Dampness and humidity. Sweating closely or operating in a warm, humid surroundings can increase your threat of a fungal infection. Fungi want a warm and moist surroundings to grow. taking walks barefoot in damp locations, which include gyms, locker rooms, and showers, can also boom your hazard.
Antifungal medicines work to deal with fungal infections. they are able to either kill fungi directly or save you them from developing and thriving. Antifungal capsules are to be had as OTC treatments or prescription medications, and are available a diffusion of forms, along with: creams or ointments.
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When in a complex with ________, the cap protein binds to the cap site and ________ the expression of the lac operon.
compound including glucose The lac operon's expression is changed when the CAP protein attaches to the CAP site.
Bound RNA polymerase is assisted in binding to the lac locus promoter by CAP. There must be lactose available: The lac promoter will be freed from the operator if lactose is accessible by binding of allolactose. This enables the transcription of the operon by RNA polymerase to proceed on the DNA. Two distinct proteins govern the function of the promoter, which manages the lac operon's expression. One of the proteins stops RNA polymerase from trancribing (negative control), while the other improves RNA polymerase's ability to attach to the regulator (positive control). A particular DNA sequence is located upstream of the lac locus operator and promoter, where CAP and cAMP interact. The CAP-cAMP complex subsequently binds to this DNA sequence.
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What enzyme moves outward from the origin of replication and breaks hydrogen bonds between dna nucleotides?.
The helicase destroys hydrogen bonds between DNA nucleotides as it proceeds away from the point of origin.
At the start of replication, what enzyme divides DNA?Enzymes called helicases bind to nucleic acid or nucleic acid protein complexes and may even alter them. Helicases exist for both DNA and RNA. DNA helicases are necessary for DNA replication because they divide double-stranded DNA into single strands, enabling the replication of each strand individually.
Which enzyme, during DNA replication, moves in front of DNA helicase?A primosome is a structure on the lagging strand that is formed by the primase molecule and a DNA helicase in procaryotes.
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a couple has four children. the first child has type A blood.the second child has type o. The third child has type AB blood and the fourth child has type B. What are the genotypes of the parents?
Answer:
One parent has blood genotype BO and the other has blood genotype AO.
Explanation:
There are 4 different genotypes shown, so all 4 "letters" must be utilized. Additionally, the third child has type AB, and since each "letter" comes from a parent, one parent has "A", and the other has "B". Finally, since the second child has type O, and "O" only shows up when the genotype is "OO", that means that each parent must also have "O" in their genotype, which leaves us with one parent having genotype BO and the other with genotype AO.
The first roadblock to overcome in the synthesis of glucose from pyruvate is which of the following reactions?
a. Fructose 6-P to Fructose 1,6-bis-P
b. Pyruvate to Oxaloacetate
c. Pyruvate to Phosphoenolpyruvate
d. Phosphoenolpyruvate to Pyruvate
The first roadblock to overcome in the synthesis of glucose from pyruvate is c. Pyruvate to Phosphoenolpyruvate.
It's clearly a depend of creating connections or placing things collectively. We synthesize records evidently to assist others see the connections among things. for instance, whilst you file to a pal the things that numerous other buddies have stated about a track or movie, you're conducting synthesis.
In popular, the time period synthesis relates to the creation of something. it is the process of combining two or extra additives to produce an entity. In biochemistry, it refers back to the production of an natural compound in a living aspect, particularly as aided by means of enzymes.
Synthesis way the combination of a number of simple sentences into one new sentence – simple, compound or complicated. the subsequent are the chief ways of combining two or more simple sentences into one huge easy sentence. by using a participle. He sprang as much as his feet. He ran away.
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What two roles does atp play during the contraction stage? choose all that apply.
Actin and myosin can separate from one another when myosin releases actin in response to ATP binding.
What two functions do ATP play in the contraction of muscles?Fatty acids and glucose can both be used by muscle cells for aerobic respiration. In muscle cells, ATP is required for the active transport of calcium (Ca++) and the movement of motor proteins.
What part does ATP play in the contraction of muscles?Only ATP serves as the source of energy for muscular contraction. The muscle's ATP supply will be exhausted during near maximally intensive exercise in less than one second; as a result, ATP must constantly be produced in order to sustain normal contractile function.
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smooth seed shape is associated with the genotypes QQ and Qq, while wrinkled seed shape is associated with the genotype qq
a) Punnett square here
b) Predicted phenotypic ratio:
The smooth seed shape is QQ, Qq where the qq is the wrinkled seed shape. The condition is possible if the gametes are heterozygous then the condition is heterozygous.
What is heterozygous condition ?
The condition of heterozygous is that the two genes present on the allele.
Punnett square shows the Qq X Qq that is QQ,qq,qQ, qq that is 2 of the progeny are recessive in nature and 2 are dominant in nature.
The ratio is 1:1 that is the the phenotypic ratio will be 1:1 where 1 represents the allele that is dominant in nature which represents smooth seeds and 1 represents wrinkled seeds that is qq which represents wrinkled as well.
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The anther and pollen are the male reproductive parts of the plant. Do some research online to learn more about the anther and pollen. Based on your observations from your investigation and your research, how do you think pollen plays a role in reproduction?
Stamens, which are the male components, typically encircle the pistil. The filament and anther are the two components that make up the stamen. An anther releases pollen (male reproductive cells). The anther is dependent on the filament.
A tube that develops down the style and into the ovary after pollen contacts the stigma during fertilization. The ovule is fertilized by male reproductive cells that go down the tube and combine with it. The ovary develops into the fruit, and the fertilized ovule forms the seed.
What is pollen?
A thin, yellowish powder known as pollen is carried from plant to plant by the wind, birds, insects, or other creatures. The dispersal of pollen aids in plant fertilization but can be miserable for those who suffer from seasonal allergies.
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According to the blending concept, short flowers crossed with tall flowers should produce all ______ flowers.
According to the notion of blending, blooms of all intermediate heights should result from crossing short and tall flowers.
What does blending mean?Blending refers to the expression in offspring of phenotypic characteristics (such as pink flower color from red and white parents) intermediate between those of the parents as well as inheritance in a now-discredited theory in which the genetic material of offspring was held to be a uniform blend of that of the parents.
Blending is carried out before to spinning and is done to add desirable qualities like strength or durability, to cut costs by combining expensive fibers with less expensive varieties, or to generate specific color or texture effects. Blends are the term for materials constructed from such fibers.
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Which of these statements best explains the process of energy conversion that takes place in the mitochondria?
Answer:
The energy in the bonds of glucose molecules is transferred to the phosphate bonds in ATP.
. Fermentation provides energy for cells without using oxygen.
The given statement is true that fermentation provides energy for cells without using oxygen.
Fermentation is the process where the organic molecules like sugar are broken down to form acid, alcohol or gases like carbon dioxide. The sugar is first broken down by the process of glycolysis and then further fermentation process occurs in the absence of oxygen. The process occurs in anaerobic organisms as well as in muscles of humans.
Energy is the most essential component to carry out all the metabolic processes of the living body. The most prevalent form of energy used is ATP. This is formed in the cell organelle mitochondria.
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Which description is accurate for the cells produced as a result of meiosis?
O diploid body cells
O diploid gametes
O haploid body cells
Ohaploid gametes
Answer:
haploid body cells
Explanation:
Meiosis is the specialized cell division process that takes a diploid precursor cell and from it generates up to four haploid cells for sexual reproduction in eukaryotes. In mammals, the haploid products of meiosis are referred to as gametes: the spermatozoa of males, and the oocytes (or eggs) of females.
Need answers for this plss
I attached a pdf below. I hope this helps!
A cell s placed in an isotonic solution. How does the cell aintain homeostasis in this environment
Answer:
If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell's volume will remain stable.
A cell's volume won't change if it is submerged in an isotonic solution, since there won't be any net water movement in or out of the cell. If the concentration of solutes inside and outside the cell are equal, and the solutes cannot cross the membrane, the solution is isotonic to the cell.
What cell maintain homeostasis in isotonic solution?Equal amounts of solutes are present inside and outside the cell membrane in cells that are isotonic to the surrounding solutions. As a result, a dynamic equilibrium is created, maintaining the cell's condition. All living things need a mechanism to control their interior surroundings. We refer to this as homeostasis.
For animal cells to be in equilibrium, isotonic fluids are required. All living organisms must maintain homeostasis, which is a state of equilibrium. Animal cells don't have a cell wall, thus when there is too much water entering or exiting the cell, it will burst or shrink and die.
Therefore, If a cell is submerged in an isotonic solution, there won't be any net water inflow or outflow, and the volume of the cell will stay constant.
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In 1848, phineas gage sustained a brain injury when an iron rod pierced through his left prefrontal cerebral cortex. What do you think was the result?.
According to the given statement Gage's personality, behavior, and psychological state changed.
What causes cerebral cortex damage?Brain lesions (causes) such as tumours, trauma, infections, autoimmune illnesses, and cerebrovascular accidents can all result in dysfunction of the cerebral cortex. Depending about which lobe is afflicted, different causes will have different clinical signs. The frontal lobe (PFC), a recently formed brain region that provides top-down control of thinking, action, and emotion, suffers from loss of spines and dendrites when chronically exposed to unmanageable stress.
What disease affects the cerebral cortex?The diseases stroke and severe brain injury are among those that induce cerebral atrophy. Frontotemporal dementia, Pick's disease, and Alzheimer's disease. cerebral palsy, where lesions (broken areas) may make it difficult to coordinate your movements.
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State whether the following statements describe primary, secondary, tertiary, or quaternary protein structure Drag the appropriate statements to their respective bins. Resot Help The-C00group of one amino acid reacts with the --NH, group of the next amino acid Hydrogen bonds holding beta-pleated sheets tightly in place are formed within the same polypeptide chain Three chains of polypeptides are woven together like a braid to form a triple helix in collagen An SH group in one amino acid forms a disulfide bond with an SH in another amino acid, Primary structure Secondary structure Tertiary structure Quaternary structure
The statement for the structure are illustrated thus:
The-C00 group of one amino acid reacts with the --NH, group of the next amino acid - Primary structure.
Hydrogen bonds holding beta-pleated sheets tightly in place are formed within the same polypeptide chain - Secondary structure
Three chains of polypeptides are woven together like a braid to form a triple helix in collagen - Secondary structure.
An SH group in one amino acid forms a disulfide bond with an SH in another amino acid - Primary structure
What are Polypeptides?Polypeptides aid in the formation of proteins by linking together many amino acids. Proteins are formed by the joining of two or more polypeptides, which are then folded into the proper shape for the protein.
The protein structure found in collagen, which consists of three polypeptide chains braided together illustrates the triple helix.
Secondary structure involves the folding of a protein's secondary structure into a compact structure that is stabilized by R group interactions.
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Write an essay about why or why not: Should scientis clone the DNS of dinosaurs and bring them back to populate the earth?
DNA degrades over time. Dinosaurs went extinct about 66 million years ago, and so much time has passed that it is highly unlikely that any dinosaur DNA remains today. Dinosaur bones can survive millions of years, but dinosaur DNA almost certainly cannot.
The oldest DNA fragments found are only 800,000 years old, so cloning dinosaurs is probably impossible. True cloning also requires intact living cells and has been successful only in host animals of the same species. This also excludes mammoth clones. If you dig up a fossil today the dinosaur DNA in it would have fallen apart long ago.
So, as far as scientists know even with the best technology available today, it's impossible to make a dinosaur out of DNA. Scientists are now working to reverse extinction by bringing animals that disappeared from the earth long ago back into our lives. By manipulating the genetic code of a closely related species' DNA we can slowly build and manipulate a model of the species' DNA in reverse.
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Recyclable materials are processed in a materials down cycling facility.true or false?
Recyclable materials are processed in a materials down cycling facility. This statement is False.
Briefing:The collector delivers the materials to a processing center, such as a paper mill or a materials recovery plant. The recyclables are sorted, sanitized, and ready for delivery to a milling plant or directly to the a manufacturing facility at the processing site.
What are recyclable materials?Numerous varieties of glass, cardboard, paper, metal, plastics, tires, textiles, battery, and gadgets are among the recyclable materials. Recycling also includes the compost and other uses of biodegradable waste, including food and garden waste.
What is the easiest recycle material?Most metals may be recycled with ease. In actuality, steel is the most recycled commodity in North America. Cans made from aluminum are 100% recyclable, making them one of the simplest metals to recycle. Actually, recycling aluminum cans saves 95% more energy than creating new aluminum cans from scratch.
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what do you understand by excretion
Answer:
Excretion is the removal of waste products and fiber from the body through the anus. It removes harmful/ unnecessary things from the body.
.
Complete the equation for cellular respiration:
________ + sugar → ________ + water
oxygen, carbon dioxide
carbon dioxide, oxygen
ATP, light energy
chlorophyll, mitochondria
Answer:
oxygen + sugar → carbon dioxide + water
Which has a higher melting tempera-
ture, magnesium-rich pyroxene or iron-rich
pyroxene? Explain your reasoning.
Answer:
Iron-rich Pyroxene
Explanation:
It melts at a higher temperature and the higher the temp the more ubstable they get and then they melt.
What will happen in this ecosystem if there is an increase in the lion population?
In this ecosystem, if there is an increase in the lion population, then all the jackals, goats and wild cats will decrease in number and soon there will be shortage of food for the lions.
Lions are top predators in their natural habitat, whether it's grasslands, desert, or open woodland. It means they play an important role in maintaining a healthy population balance among other animals, particularly herbivores like zebra and wildebeest, which influences the condition of grasslands and forests. Lions can be found in a wide range of habitats, but they prefer grassland, savanna, dense scrub, and open woodland. Historically, they were found throughout much of Europe, Asia, and Africa, but they are now mostly found in Africa south of the Sahara.
Lions directly contribute to ecosystem services: Every year, iconic animals such as lions attract tourists and trophy hunters worth millions of dollars to the economies of many African countries.
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The protective membranes that surround, stabilize and partition parts of the brain are called the cranial.
True, The term "cranial" refers to the protective membranes that enclose, support, and divide various portions of the brain.
What exactly are cranial meninges?The meninges, a collection of connective tissue membranes that surround the CNS's outer shell, support, shield, and separate the brain.
A powerful protective coating covering the entire brain, the dura mater is a dense layer of fibrous tissue. It is fastened to the spinal cavity and cranium's inner surface. A thin membrane of fibrous tissue called the arachnoid mater forms a loose sac surrounding the brain. The term "subarachnoid space" refers to the area below the arachnoid mater where arachnoid trabeculae, a thin, filamentous mesh that resembles a spider web, give this layer its name.
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Earth's second atmosphere (atmosphere II) was produced primarily by which process?
Responses
plant life
condensation
outgassing
photosynthesis
Answer: Outgassing
Explanation:I took the test and got it right.
purple flowers are dominant over white flowers, a cross is made between a heterozygous purple flower and a homozygous white flower. How many percent of its offspring will have white flowers?
0%
25%
50%
75%
100%
Because purple is dominant to white in this situation, all the offspring will be purple since every offspring produced from this cross will be a heterozygote (Pp). Consequently, there is no chance that a child will produce flowers that are white.
How many flowers will result from crossing a homozygous dominant purple flower with a heterozygous purple flower?Homozygous dominant purple flowers make up 25% of the F2 generation, while heterozygous purple flowers make up 50% of the F2 generation (homozygous recessive, white flowers). In this way, the white trait returns in the second generation.
The existence of two unique alleles at a specific gene locus. One normal allele, one mutant allele, or two different mutant alleles may be present in a heterozygous genotype (compound heterozygote).
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the virulence of e. coli o157:h7 is due in part to a pathogenicity island, an element that can best be described as
The virulence of e. coli o157:h7 is due in part to a pathogenicity island, an element that can best be described as a region of DNA that contains multiple co-transcribed turbulence genes.
What is the virulence?Virulence is described as a pathogen's or microorganism's ability to cause damage to a host. In most cases, especially in animal systems, virulence refers to the degree of damage caused by a microbe to its host.
The bacteria bind to the intestinal lining and begin to release Shiga toxin. The toxin, in turn, interferes with protein synthesis in the epithelial cells that line the intestinal lining, leading to cell death, detachment of the mucosa, and eventual bloody diarrhea. This often Causes severe intestinal infection in humans and is the most common strain that causes disease in humans.
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The primary function of polysaccharides attached to the glycoproteins and glycolipids of animal cell membranes is.
Answer:
As receptor, cell identity
Explanation:
In most of animal cells, there is carbohydrate layer out of cell membrane. This structure is embedded tightly with the membrane. In terms of composition, this is named glicocalyx or carbohydrate-rich layer.
Glycocalix can be glycoprotein if carbohydrate bind to protein, while glycolipid if lipid bind to its carbohydrate. Both of them provide as reseptor to communicate with another cell.
These structures also acts as cell identity. For example in blood type categorization, which determine the type of blood and antigenic traits. It also provide a sign as “self cell” and “foreign cell” in immune system. This concepts has an essential role in organ transplant compatibility.
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