According to the rule of conservation of energy, energy can only be transformed from one form of energy to another and cannot be created or destroyed.
This indicates that unless energy is added from the outside, a system always has the same quantity of energy.
Energy conservation was different from mass conservation. However, special relativity demonstrates that mass and energy are connected by the formula E = mc², and science currently holds the belief that mass-energy is conserved as a whole. Theoretically, this means that every mass-containing object can transform into pure energy and vice versa. However, it is thought that this is only feasible under the most severe physical circumstances, such as those that probably occurred in the cosmos just after the Big Bang.
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2. How does sneezing protect us from germs?
What process is the source of the CO2 that root hairs release into the soil?
O respiration and photolysis,
O photolysis,
O respiration,
O photosynthesis, or
O photosynthesis and respiration
The process by which the root hairs release CO2 into the soil is respiration. The correct option is Option C.
There are air pockets present between the soil particles where the oxygen required by the root of the plant is trapped. Root hair exchanges gasses to and from tiny air pockets present in between the soil particles.
The large surface area provided by root hairs facilitates this exchange of gasses along with the absorption of water.
Hence, root hair carries out the exchange of oxygen and carbon dioxide to and from tiny air pockets present in between soil particles.
The CO2 released from the root hair into the soil particles is the byproduct of respiration.
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Help this is due in 30 minutes. Could a Type B child with a Type A mother have a Type A father? Explain.
no
cuz both are type A so the child has to be a type A
Answer:
It depends
Explanation:
It honestly depends on if the A-type allele is dominant over the B allele if not yes it's possible if the father or mother was Heterozygous with a B allele
What is the purpose of the world on the turtle's back?
The purpose of the world on the turtle's back is because they think that there must be both good and evil in order to keep the world in a state of equilibrium.
According to tradition, the creator goddess severed the cosmic turtle's legs and used them to raise the sky after another god had harmed them. Even if it doesn't exactly put a terrapin at the center of the cosmos, it nonetheless places one there to keep the sky from collapsing.
The nice and the evil are not always what they seem to be, and vice versa, since there is always something within each and every person that can pull them in any direction. as shown in "A World on a Turtle's Back," a short fiction.
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A normal or narrow QRS complex indicates that the impulse was not formed in the ventricles and is termed:
A normal or narrow QRS complex indicates that the impulse was not formed in the ventricles and is termed supraventricular tachycardia.
Narrow (normal) QRS complexes indicate that the ventricles are depolarized normally; this can only be the case if the impulse (which depolarizes the ventricles) passes through the bundle of His, and hence it originates in the atria. In other words, tachycardias with narrow QRS complexes originate in the atria.
A narrow QRS complex (<120 ms) reflects rapid activation of the ventricles via the normal bundle of His-Purkinje system, which in turn suggests that the arrhythmia originates above or within the His bundle so supraventricular tachycardia occurs. Although such type of tachycardia often occurs in patients with a normal heart and rarely represents life threatening conditions.
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What are the similarities and differences between genetic engineering and selective breeding?
Through genetic engineering, genes from one species can be introduced into another that is unrelated. The individuals involved in selective breeding must be of the same species.
In GMO, researchers combine new gene combinations. Genes come together on their own during selective breeding. By utilizing pollen from one strain to fertilize another strain and therefore "cross" the gene pools, for instance, selective breeding can change a species' genetic makeup naturally.
The chromosomes are altered intentionally through genetic engineering—a technique that is against nature. For instance, a crop may contain a gene from a cold-water fish to prevent freezing during the winter. This wouldn't happen in the wild.
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6. What is the name of the mutation in which a base is added to the
genetic sequence?
shift
Answer: frameshift mutation
Explanation: A frameshift mutation is a particular type of mutation that involves either insertion or deletion of extra bases of DNA. Now, what's important here is the number three. The number of bases that are either added or subtracted can't be divisible by three.
Is medical a fixed or variable expense?
Medical is a variable expense.
Medical expenses include all costs required for the diagnosis, mitigation, or treatment of disease or injury. Medical expenses include things like health and dental insurance premiums, doctor and hospital visits, co-pays, prescription and over-the-counter medications, glasses and contacts, crutches, and wheelchairs, to name a few.
Medication and supplies are examples of variable costs because they vary according to the quantity and severity of patients treated. The majority of hospitals have a limited amount of operational flexibility, unlike regular businesses that can shift operations to reduce fixed costs.
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Select the choice that best completes the following sentence: _______ reproduction requires one parent, while _______ reproduction requires two parents.
A. sexual , asexual
B. asexual , sexual
C. single , double
D. animal, bacterial
Asexual reproduction requires one parent, while sexual reproduction requires two
What is reproduction?The biological process by which new individual organisms - "offspring" - are formed from their "parent" or parents is known as reproduction. Each individual organism exists as a result of reproduction, which is a fundamental aspect of all known life. Asexual and sexual reproduction are the two types of reproduction.
Asexual reproduction is a type of reproduction in which a single parent produces a new progeny. The newly generated individuals are genetically and physically identical to one another, i.e., they are clones of their parents.
On the other hand, sexual reproduction is the process of creating new organisms by combining the genetic information of two individuals of different sexes. The genetic information in most animals is carried on chromosomes in the nucleus of reproductive cells called gametes, which unite to form a diploid zygote.
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Suppose that you ate a chicken sandwich on a wheat roll with lettuce, tomatoes, and onions for lunch. As you ate, you took in food molecules from both plants and animals. Explain why all the energy in the food molecules of this sandwich could be traced back to the sun.
Food provides the body with energy-rich substances such as glucose. When these molecules reach the body's cells, they are broken down in a series of processes to reform carbon dioxide and water, providing energy for the body to use.
The energy in meals is converted into energy that the body's cells may utilise through the process of cellular respiration. The sugars in your meals are initially processed into the simple sugar glucose, a monosaccharide. Remember that glucose is the sugar that the plant produces during photosynthesis.
All of the energy present in food molecules that humans consume may be traced back to the Sun's energy. This is because all food comes from primary producers, who manufacture food via the process of photosynthesis. Photosynthesis is the process through which plants make food.
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There's a Hair in my Dirt, takeaway
Answer:
gomenasai i dont understand
a que se debe el origen de la variación entre los individuos de una especie
a. El medio ambiente
b. La selección natural
c. la reproducción sexual
d. un agente ignorado
What are the 5 causes of natural selection?
Natural selection is a simple mechanism that causes populations of living things to change over time. It causes are variation, Inheritance, Selection, Time and Adaptation.
Natural selection results in the transmission of advantageous genetic variants through reproduction. As a result, a new generation of organisms emerges that has a higher chance of surviving and reproducing.
Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. Inheritance. Some traits are consistently passed on from parent to offspring. High rate of population growth.Differential survival and reproductionTo learn more about reproduction please visit here:
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Nucleus plays an important role in cellular reproduction and cellular functions
It is true that nucleus plays an important role in cellular reproduction and cellular functions, but the reason given is not the correct explanation. The correct option is B.
What is nucleus?In terms of genomics, a nucleus is the organelle within a cell that is membrane-enclosed and houses the chromosomes.
In the nucleus is genetic material. The DNA in the cell is primarily necessary for both cellular reproduction and cellular activities.
Proteins and DNA make up chromosomes, which are found in the nucleus. The information needed to organise and build cells is contained in DNA molecules.
The functioning DNA segments are referred to as genes. It has been discovered that chromatin material in a cell that is not being dispersed contains some DNA.
Thus, the correct option is B.
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Your question seems incomplete, the complete question is:
Assertion- Nucleus plays an important role in cellular reproduction and cellular functions.
Reasons- Nucleus contains chromosomes which are made up of DNA which contain information for constructing and organising cells.
a) If both Assertion and Reason are the true and Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are true but the Reason is not the correct explanation of Assertion.
c) If Assertion is true but Reason is false.
d) If assertion is false but Reason is true.
Describe the relationship between the concentration of in the blood and the
concentration of lactic acid in the blood during the first 5 weeks of treatment with the vitamin.
Based on Figure 2, calculate the average rate of change in blood concentrations from
week 5 to week 17.
The concentration of NAD+ is increases whereas the concentration of lactic acid in the blood decreases.
Relationship between NAD+ and lactic acidThe relationship between the concentration of NAD+ in the blood and the concentration of lactic acid in the blood during the first 5 weeks of treatment with the vitamin is different or opposite from one another because the graph shows that during the first 5 weeks the concentration of NAD+ is increases
While on the other hand, the concentration of lactic acid in the blood decreases so we can conclude that the concentration of NAD+ is increases whereas the concentration of lactic acid in the blood decreases.
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Protons and neutrons each have a mass of (blank) amu
(Middle school science)
The nucleus accounts for almost the entire mass of the atom of any element, which means that a single proton or neutron has an approximate mass of 1 AMU.
What is AMU?
An atomic mass unit is defined as accurately 1/12 the mass of carbon-12 atom. carbon-12 atom has six neutrons and six protons in its nucleus. It is represented as a.m.u or u (unified). It is unit of mass used to express atomic masses. 1 a.m.u is average of the proton rest mass and neutron rest mass.
Protons and neutrons both weigh about one atomic mass unit (amu). Isotopes of same element will have the same atomic number but different mass numbers.
Protons carry single positive charge that have mass of one approximately one atomic mass unit. The atomic number is equal to number of protons found in an atom.
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What did you notice in the music when the dynamic marking changed?
Dynamics play a big role in music. We frequently experience feelings like rage and even excitement when we listen to punk music. Comparing this to listening to ballads is completely different.
What in the music when the dynamic marking changed?The print notations known as dynamic markings are used to instruct musicians on how loud or soft to play a piece of music. Words, word acronyms, or symbols can all be used as dynamic marks in music.
Therefore, Dynamics words for shifts include crescendo and decrescendo. The progressive increase in volume of the music is known as a crescendo. A diminuendo, also known as a decrescendo, is when the music progressively gets weaker.
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What are the 5 theories of evolution?
Evolution as such, common descent, gradualism, species diversification, and natural selection are the five hypotheses that Darwin united.
A theory is a rationale for how a natural phenomenon functions that has undergone extensive testing through research and experiments intended to establish the validity of the explanation. In this context, evolution might be considered both reality and a theory. The fact that creatures have altered or evolved over the course of Earth's history is undeniable. Additionally, scientists have looked into the mechanisms that could account for the main patterns of change in biology. Since it provides a comprehensive account of events that have taken place in the natural world, evolution is referred to as a theory.
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Help!!!!! 85POINTS！！！ will mark BRAINLIST!!!
which of the following describes species diversity of a community?
the number of different species present in the community
the measure of species richness and relative abundance of different species
the measure of species richness and relative abundance of different specie
the number of mutualistic interaction in a community
Answer:
A
Explanation:
It does not matter what species are on the area. the more variety there is, the more diverse.
Species diversity of a community can be defined as the measure of species richness and relative abundance of different species.
A community is a group of organisms from different species that live in the same ecosystem and interact with one another.Species diversity in the community can be defined as the combination of species richness and species (relative) abundance.Species richness indicates the number of species in the community.Species abundance refers to the number of individuals of each species present in the community.In conclusion, the species diversity of a community is denoted by both the species richness and relative abundance of different species present in the community.
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What is an irony definition?
Definition of irony as a narrative character is a scenario in which there is a contradiction between expectations and reality.
A scenario in which there is a contradiction between expectation and realities is what literary irony is defined as. For instance, the contradiction between what something seems to signify and what it actually means. Tragic and comic events are both connected to irony.
The word "irony," which first appeared in the English language in the sixteenth century, is derived from the Latin word "ironia" and the French word "ironie." All of these expressions have their roots in Eiron, a stereotypical figure from ancient Greece. An Eiron figure defeats his adversary by exaggerating his weaknesses, partaking in a form of irony by expressing less than what he really means.
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Using water potential explain why the onions gained mass when soaked in diluted solutions of sodium chloride
Answer:
the cells of onions are maintained in isotonic condition when they are soaked in hypertonic solutions like dil. sodium chloride water will be moved into cells to maintain water potential. this is the reason onions gain mass
What are the main features of bacteria?
Some of the main features of bacteria are that they unicellular, prokaryotic, they lack membrane bound organelles, are microscopic in size and lack a nucleus.
Bacteria are single-celled or unicellular organisms which have the ability to thrive in a wide range of conditions and are found almost everywhere in the environment. These organisms are microscopic and hence they cannot be seen with bare eyes without a microscopic.
They have a cell wall which is protective in function but do not contain a nucleus and also lack membrane bound cell organelles and hence are prokaryotic organisms. Their mode of nutrition can be either heterotrophic or autotrophic. They are found in different shapes like spherical, rod-shaped etc.
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Neurons respond preferentially to the right eye or the left eye. This phenomenon is referred to as _____.
a. hemispheric specialization
b. bilateral dominance
c. retinotopic disparity
d. ocular dominance
Neurons preferentially react to either the right or left eye. This characteristic is known as ocular dominance.
Ocular dominance, also known as dominant eye, occurs when one eye is used more than the other, when one eye has greater vision, or when one eye has stronger focus. Determining which eye is dominant might be useful for tasks that demand concentration on a goal. Baseball is one of these activities.
Ocular dominance, also known as eye preference or eye condition, is the proclivity to favor visual information from one eye over the other. This is analogous to right-handed or left-handed laterality. The dominant eye side and dominant hand side, on the other hand, do not always correspond. Identifying your dominant eye is essential while participating in activities like baseball, shooting range, or golf. Photographers can also improve their images by using their dominant eye. Shooters can better aim their targets using their dominant eye.
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Why did Mendel carry out an experiment to study inheritance of two traits in garden pea?
Mendel carried out experiments to study the inheritance of two traits in garden pea as garden pea are bise-xual, self-pollinating, have a short life span and also have visible phenotypic characters.
Mendel conducted plant-breeding experiments using garden pea. He studied the inheritance of two traits to understand if the inheritance of a particular trait affects the inheritance of another trait.
He chose garden pea for his experiment as they are bise-xual in nature, that is the flowers have both male as well as female reproductive parts and therefore are able to self-pollinate. They also have easily observable physical characters and a short life span which makes them easier to maintain as they grow quickly.
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What elements of human nature are explained by the world on the turtle's back?
The elements of human nature that are explained by the world on the turtle's back are good vs evil and right vs wrong.
A creation story from the Iroquois people is known as The World on a Turtle's Back. The biblical view of creation is connected to this worldview. Both depict a woman who wants to eat the forbidden fruit. As soon as they consume this evil fruit, both good and bad are born.
Good vs evil, justice versus wrong, and good versus bad were the natural elements that were discussed. This is demonstrated by the conflict between the opposing pairs and how they counterbalance one another.
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Which of the following statements characterized meiosis 1?
The statements that characterize meiosis I are:
B) The chromosome number remains the same from n to n.
C) Homologous chromosomes line up at the cell equator.
E) The chromosome number is reduced from 2n to n.
F) Each chromosome consists of two sister chromatids.
H) Crossing over can occur during synapsis.
What is the meiosis stage about?Meiosis I is the first of two cell division events that occur during meiosis, a type of cell division that produces gametes (sex cells). Meiosis I is characterized by several key events, such as:
Homologous chromosomes line up at the cell equator: During meiosis I, homologous chromosomes (pairs of chromosomes that are similar in shape and size and carry genes for the same traits) line up and pair with one another at the cell equator. This process, called synapsis, allows for the exchange of genetic material between the chromosomes through a process called crossing over.
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See full question below
Which of the following statements characterize meiosis I? Select all that apply.
Multiple select question.
A)Four nuclei start to form around the chromosomes.
B)The chromosome number remains the same from n to n.
C)Homologous chromosomes line up at the cell equator.
D)Sister chromatids are pulled apart at the centromeres.
E)The chromosome number is reduced from 2n to n.
F)Each chromosome consists of two sister chromatids.
G)Sister chromatids line up at the cell equator.
H)Crossing over can occur during synapsis.
***HELP PLZ****Which of the following is not needed to maintain diversity in an ecosystem? I think is C
Keystone species
Producers
Invasive species
Consumers
Answer:
Invasive species
Explanation:
Ecosystems are very delicate and need many species to maintain balance. However, invasive species are unnecessary. Invasive species are animals or plants that are introduced into an environment that they did not originate in or are not native to. They tend to hurt the ecosystem because they consume resources that the native species need.
Answer:
Invasive species
Explanation:
Hope this helps
I already did the rest, I just need an explanation on Phillip being the father or not.
If someone engages in a short, intense burst of activity lasting less than 30 seconds, which energy system will contribute the most to ATP production
The phosphagen energy system will contribute the most to ATP production during a short, intense burst of activity lasting less than 30 seconds. This energy system utilizes ATP and phosphocreatine to provide energy for activities that require an immediate burst of energy.
The phosphagen energy system is a vital component of energy production during short, intense bursts of activity lasting less than 30 seconds. This energy system is responsible for providing energy for activities that require an immediate burst of energy. The main source of energy used in this system is the ATP and phosphocreatine stored in the muscle cells.
When the body is put under an intense physical demand, the phosphagen energy system is activated. This system works quickly and efficiently to produce ATP, the energy currency of the body. ATP is produced through a process called phosphorylation, where a phosphate molecule is added to ADP. The body uses ATP for a variety of biochemical processes, including muscle contraction.
The phosphagen energy system is the most efficient at providing energy for short-term, intense physical activity. It is able to quickly and efficiently produce enough ATP to meet the body’s energy demands. The phosphagen system is also able to replenish ATP stores in the muscle cells more quickly than other energy systems. This makes it ideal for activities such as sprinting and weightlifting, which require an immediate burst of energy.
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Why is the e-waste harmful?
Answer:
the components used to make devices such as laptops, cell phones, and televisions, contain metals and chemicals known to harm human health
Explanation: