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Related Questions
Which of the Hardy-Weinberg conditions are usually valid for most populations?
Answers
The Hardy-Weinberg equilibrium consists of five conditions that must be met in order for the frequency of alleles in a population to remain constant from generation to generation.
What are the Hardy-Weinberg conditions ?These conditions are:
Large population size: The population must be large enough to prevent the effects of genetic drift.No mutations: There must be no mutations that alter the frequency of alleles in the population.No gene flow: There must be no migration into or out of the population, which would bring in new alleles.No selection: There must be no natural selection favoring or eliminating certain alleles.Random mating: There must be random mating, meaning that individuals mate with each other based on chance rather than preference.Of these conditions, it is generally difficult to meet all of them in real populations, as most populations are subject to some form of genetic drift, mutation, gene flow, selection, or non-random mating. Therefore, it can be argued that none of the Hardy-Weinberg conditions are usually valid for most populations.
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tooth decay can occur when in your mouth use the carbohydrates in food for their energy needs. multiple choice question. bacteria epithelial cells viruses fungi
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Answer: Bacteria.
Explanation: Bacteria is one of the only organisms that reside in the mouth that can feed off of the carbohydrates in food left behind. Epithelial Cells cannot cause tooth decay, viruses need a host and can’t directly cause tooth decay either, and fungi can’t destroy enamel by feeding off of carbohydrates.
cut floral materials benefit from floral preservatives that ________ the water ph.
Answers
Cut floral materials benefit from floral preservatives that lower the water Ph.
What are the benefits of floral preservatives?
Instead of using ordinary water, floral preservatives will increase the lifespan of cut flowers.In a preservative, sugar serves as an additional food supply, an acidifier lowers pH, and a bactericide eliminates microorganisms in a vase.To hydrate flowers that are prone to wilting, pre-treatments are applied before preservatives.Therefore, floral preservatives lower the water Ph.
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If you were standing at Earth's geographic North Pole and holding a compass, the magnetic north pole of the compass needle would be pointing _____. A. eastward B. westward C. toward the geographic North Pole D. toward the geographic South Pole
Answers
Answer:
C
Explanation:
this is because of the magnetic property of the rocks beneath the north pole , hence the magnetic north will always point towards where the magnetic north of the rocks are
One of the most important forces that led to the expansion of urban areas is the
O airplane
O automobile
O city bus
0 train
Answers
Answer:
The answer is train. And if not then its automobile.
Explanation:
Trains have been the first thing for transportation and for the trade company they helped you get place to place and they went a long way.
-Hope this helps!
- Justin :)
Mendel cruzo plantas de guisantes (Pisum sativum) de flores rojas heterocigotas con otra de la misma especie pero de flores blancas recesiva. ¿Cuál seria el resultado ( fenotipo y genotipo)? Realiza el cruce pertinente.
Answers
Answer:
1/2 = 50% de la progenie será roja heterocigota, Rr1/2 = 50% de la progenie será blanca homocigota recesiva, rr.Explanation:
El gen que codifica para el color de flor es dialélicoEl alelo R es dominante y expresa color rojo en homocigosis y heterocigosis. El alelo r es recesivo y expresa el color blanco en homocigosis.Cruza: flores rojas heterocigotas con flores blancas
Parentales) Rr x rr
Fenotipo) Rojo Blanco
Gametas) R r r r
Cuadro de Punnett)
R r
r Rr rr
r Rr rr
F1) 2/4 = 1/2 = 50% de la progenie será roja heterocigota, Rr
2/4 = 1/2 = 50% de la progenie será blanca, rr.
Let’s determine the gametes that would be formed by nondisjunction in meiosis I.
Drag the correct daughter cells that would result from nondisjunction in meiosis I.
Answers
During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.
What is meiosis?Meiosis is a type of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this process is necessary.
Cells move through prophase, metaphase, anaphase, and telophase with each round of division.
During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.
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What is the number of nitrogen molecules that reacted with excess hydrogen to make 2 x 1010 molecules of ammonia?.
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The number of nitrogen molecules that react with excess hydrogen to produce 2x10^10 ammonia molecules is 1×10¹⁰.
Stoichiometry is the calculation of a balanced chemical equation that determines the ratio between reactants and products in a chemical reaction.
Equilibrium in chemical equations obeys conservation principles and Dalton's model of the atom, such as the Law of Conservation of Mass, which states that:
mass of reactants = mass of products
In this sense, the equation must have equal weight on both sides of the equation.
In terms of reactions, both are in equilibrium 3H₂ + N2 ⟷ 2 NH₃
If 1 molecule of nitrogen produces 2 molecules of ammonia
2 x 10¹⁰ ammonia molecules will be produced if 2 x 10¹⁰ × 1/2= 1 × 10¹⁰ molecules.
So, the number of susceptible nitrogen molecules is 1 × 10¹⁰.
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Almost all weather occurs in the a. troposphere. c. mesosphere. b. stratosphere. d. thermosphere.
Answers
Answer:
The answer is option b.
Hope this helps you.
Answer:
Its A
Explanation:
Edge 2021
6
Ayumi is asked to discuss with her lab partner why the land cools faster than the sea. How would she explain this?
OA
Water is attracted to itself.
OB. Water retains heat longer than other substances.
OC. Water will float when frozen.
OD. Water has a high melting point.
Reset
Next
Answers
Ayumi can she explain why the land cools faster than the sea by saying that water retains heat longer than other substances; option B.
What is the reason why land cools faster than the sea?The process of cooling and heating of a substance depends on the conducting ability of the substance.
Substances that are good conductors of heat are heated up faster and also cool down faster whereas, substances that are poor conductors of heat are heated up slowly and also cool down slowly.
Comparing the conducting ability of solids and liquids shows that solids are generally better conductors of heat than liquids.
Therefore, land is a better conductor of heat than the water in the sea.
Land will thus heat up faster and cool down faster than the sea. This implies that water will retain heat more as it is heated up more slowly
In conclusion, sea water is poorer conductor of heat than land and will retain heat more.
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Answer: The correct answer is B. Water retains heat longer than other substances.
Explanation: Confirmed correct.
fibrous connective tissue that is continuous with the tendon
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The fibrous connective tissue that is continuous with the tendon is known as the periosteum.
The periosteum is a dense layer of vascularized connective tissue that covers the surface of bones, except for areas covered by articular cartilage. Tendons, as well as other ligaments, attach to bones through the periosteum, which is made up of two layers. The fibrous layer, which is composed mostly of type I collagen fibers, is the outer layer. The periosteum also contains osteoblasts, osteoclasts, and chondroblasts. The inner cambium layer is the second layer. The periosteum is essential for bone growth, healing, and nutrition because it is the site of attachment for muscles and tendons.Connective tissue that is composed of bundles of collagen fibers that are arranged in a parallel fashion is known as fibrous connective tissue. In the body, it is found in ligaments, tendons, and fascia, and it serves as a mechanical support structure. Collagen fibers, which are highly tensile, are the primary component of fibrous connective tissue. It has very little blood supply, which makes it more difficult to heal when injured.Learn more about Tendons: https://brainly.com/question/139369
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molecular orbital (mo) theory treats a molecules as a collection of nuclei with mos delocalized over the entire structure. group of answer choices true false
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The statement "molecular orbital (MO) theory treats a molecule as a collection of nuclei with MOs delocalized over the entire structure" is true. It is a fundamental concept in molecular orbital theory, which is one of the two primary ways to describe the electronic structure of a molecule.
In this theory, each molecule is viewed as a whole with its constituent atoms' atomic orbitals combined to generate new molecular orbitals.The electrons are assigned to these new MOs according to the Pauli exclusion principle and Hund's rule, which govern the electronic configuration of the molecule.
The molecular orbital theory explains the bonding, antibonding, and nonbonding interactions between electrons, which underlies the physical and chemical properties of the molecule.MO theory also makes it possible to describe the molecule's spectroscopic properties, such as UV-visible and infrared spectra. For example, electronic transitions that lead to absorption in the UV-visible region of the electromagnetic spectrum can be attributed to electron excitation from the bonding to antibonding molecular orbitals.In conclusion, molecular orbital theory treats a molecule as a collection of nuclei with MOs delocalized over the entire structure.
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Does dominant or recessive alleles affect allele frequency?
a. Yes Dominant alleles dominant and have higher frequency
b. Recessive alleles will always have a lower frequency
c. Whether they are dominant or recessive has no ellect on the
allele frequency
d. Alleles have nothing to do with allele frequency
Answers
What part of Isaac Newton’s childhood led him to become so defensive and hostile toward any criticism of his work?
Answers
Answer: Issac became stubborn and defensive because of the fierce nature of siblings and commanding nature of his second father and mother. Due to the stubbornness of his family member he had to leave his study in early childhood and engage in farming which he left ultimately to pursue higher studies.
Explanation:
OCEAN FOOD WEB Review
Ocean Food Web
spotted seatrout
smooth toadfish
pinfish
dolphin
algae
crab
Use the ocean food web to answer the following questions:
2. What organism(s) are predators to the pinfish?
Answers
In the ocean food web, various organisms prey upon the pinfish.
One of these predators is the spotted seatrout, which feeds on smaller fish such as pinfish. Additionally, dolphins are also known to be a carnivorous mammal that consume different species of fish including the pinfish.
What is a food web?Across diverse ecosystems, ranging from terrestrial to aquatic biomes, food webs serve as a crucial mechanism responsible for depicting cascading interactions between species.
Through this graphical representation, we can observe how the nutritional and energetic resources conveniently flow within distinct categories of organisms such as primary consumers or secondary consumers.
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These plants have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. There is one type of spore, and the gametophyte generation grows outside of the spore wall. Which plant or plants am I describing? (SELECT ALL THAT APPLY) 000000000 Ferns Cycads Selaginella Lycopodium Conifers Ginkgo Hornworts Mosses Angiosperms 3 pts Liverworts
Answers
The correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
The plants that fit the given description are:
Ferns: Ferns have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Ferns produce one type of spore, and the gametophyte generation grows outside of the spore wall.Horworts: Hornworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Hornworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Mosses: Mosses have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Mosses produce one type of spore, and the gametophyte generation grows outside of the spore wall.Liverworts: Liverworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Liverworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Therefore, the correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
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Which is NOT a component of ATP?
Oa Adenine
Ob Ribose
Oc Glucose
Od 3 Phosphates
Answers
Answer:
oc Glucose
Explanation:
Describe the structure of DNA
Answers
Answer:
DNA consists of two strands that wind around one another to form a shape known as a double helix.
Answer:
two strands that wind around one another to form a shape known as a double helix.
Explanation:
I want to test the people of brainly so here is my question.
What do trees eat
Answers
Answer:
Vitamin D, nutrients from dirt, and Carbon dioxide right?
Explanation:
They're living on sunshine woah!
I guess dirt be tasty.
And they create oxygen by taking in carbon dioxide.
the embryonic germ layer that is the source of connective tissue and muscle is
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The embryonic germ layer that is the source of connective tissue and muscle is the mesoderm.
During the formation of a zygote, three germ layers are formed. Ectoderm, endoderm, and mesoderm are the three germ layers. The mesoderm is the middle germ layer, situated between the ectoderm and endoderm. The mesoderm forms the body's inner tissues and organs. It divides into four parts: the paraxial mesoderm, intermediate mesoderm, lateral plate mesoderm, and chordamesoderm.The mesoderm provides rise to numerous structures, including blood cells, blood vessels, bone, cartilage, connective tissue, dermis of the skin, heart, kidney, muscle, and reproductive organs.
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If a plant has very little water, where would photosynthesis slow down FIRST? Why?
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Which of the following is the most important reason to maintain a high level of cardiovascular health?
A. A higher level of fitness makes it easier to develop larger muscles.
B. A higher level of fitness makes you more attractive to other people.
C. A higher level of fitness allows you to live a longer, healthier life.
D. A higher level of fitness improves your IQ.
Answers
Answer:
C
Explanation:
I think because the more healthier you are, the longer you'll live
3. With regard to environmental management of waste
rock dumps, what is AMD, how is
it formed and how will you manage dump construction to minimize its
impact on the
environment? [6%]
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AMD stands for Acid Mine Drainage. It is formed when sulfide minerals in rocks are exposed to air and water, resulting in the generation of sulfuric acid and dissolved metals. This acidic and metal-rich drainage can have detrimental effects on the environment, including water pollution and damage to aquatic ecosystems.
To manage dump construction and minimize the impact of AMD on the environment, several measures can be implemented:
Prevention: One of the primary approaches is to prevent or minimize the formation of AMD in the first place. This can be achieved by implementing proper waste management practices, including selecting suitable waste rock materials, limiting the exposure of sulfide minerals to air and water, and employing effective cover systems.
Neutralization: Implementing neutralization techniques can help mitigate the acidity of AMD. This involves treating the drainage with alkaline substances, such as lime or limestone, to raise the pH and reduce its harmful effects on the environment.
Containment: Constructing and maintaining effective containment systems is crucial to prevent AMD from infiltrating surrounding soils and water bodies. This can include using impermeable liners, such as clay or synthetic materials, to prevent the leaching of acidic drainage.
Water management: Proper water management is essential to control the movement and accumulation of AMD. This may involve implementing diversion channels, collection systems, and treatment facilities to contain and treat the acidic drainage before it enters the environment.
Monitoring and maintenance: Regular monitoring of water quality, pH levels, and metal concentrations is necessary to detect any potential AMD issues and take appropriate corrective measures. Ongoing maintenance and management of dump sites are crucial to ensure the effectiveness of preventive and mitigation measures.
AMD, or Acid Mine Drainage, refers to the acidic and metal-rich drainage that is formed when sulfide minerals, typically found in rocks associated with mining activities, come into contact with air and water. The exposure of sulfide minerals to oxygen and moisture leads to chemical reactions, resulting in the generation of sulfuric acid. This acid then dissolves metals present in the rocks, such as iron, zinc, and copper, which further contributes to the contamination of water bodies and soil.
The management of waste rock dumps is essential to minimize the impact of AMD on the environment. Dump construction should incorporate measures that aim to prevent the formation of AMD, neutralize its acidity, contain its spread, and manage water flow effectively. These strategies help to minimize the release of acid drainage and metals into the environment, protecting water quality and ecosystems.
The management of waste rock dumps is critical in mitigating the formation and impact of Acid Mine Drainage (AMD). By implementing preventive measures, neutralization techniques, containment systems, effective water management, and regular monitoring, the environmental impact of AMD can be minimized. Adhering to best practices and regulations ensures responsible waste management and helps safeguard water resources and ecosystems.
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What sequence of bases on RNA would match, or pair with, the following DNA sequence: GCA?
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The sequence of bases on RNA that would match or pair with the following DNA sequence: GCA is CGU.
What is transcription?Transcription is the process by which mRNA sequence is produced from a DNA template in the nucleus of a cell.
During transcription process, the following applies:
Adenine (A) pairs with Uracil (U)Guanine (G) pairs with Cytosine (C)This means that the mRNA sequence that will result from a template of DNA with sequence: GCA is CGU.
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Because continental crust undergoes heating and cooling cycles that lower its density, what do you expect to occur when oceanic and continental crust collide at a plate boundary?
Answers
I think this is correct... sorry if I am not!! Have a great day
How can ecosystem-based management help to advance sustainable
natural resources use in Guyana? Develop a plan using this concept
for the conservation of natural resources in Guyana
Answers
Ecosystem-based management is an approach that takes into consideration the entire ecosystem and its interconnected components when making decisions about natural resource use. It can help advance sustainable natural resources use in Guyana by promoting a holistic and integrated approach to conservation and management.
To develop a plan for the conservation of natural resources in Guyana using ecosystem-based management, the following steps can be taken:
1. Identify and understand the ecosystems: Conduct comprehensive assessments to identify and understand the various ecosystems present in Guyana, such as forests, wetlands, rivers, and coastal areas. This will provide insights into the biodiversity, ecological processes, and services these ecosystems offer.
2. Assess the state of the resources: Evaluate the current status and trends of natural resources in Guyana, including flora, fauna, water bodies, and minerals. This assessment will help identify vulnerable or endangered species, areas of high biodiversity, and potential threats.
3. Establish conservation goals and objectives: Define specific conservation goals and objectives based on the assessments conducted. These goals should consider the need to protect biodiversity, maintain ecosystem services, and support sustainable livelihoods for local communities.
4. Engage stakeholders: Involve relevant stakeholders, including government agencies, local communities, indigenous groups, NGOs, and scientific experts. Encourage their active participation in decision-making processes to ensure diverse perspectives are considered.
5. Develop management strategies: Based on the conservation goals and stakeholder input, develop management strategies that integrate the principles of ecosystem-based management. These strategies should focus on protecting key habitats, managing land and water resources sustainably, and minimizing impacts from activities such as mining, logging, and agriculture.
6. Implement and monitor: Put the management strategies into action, ensuring proper enforcement of regulations and policies. Regularly monitor and evaluate the effectiveness of the implemented strategies to identify any necessary adjustments or improvements.
7. Promote education and awareness: Raise awareness among the public and stakeholders about the importance of ecosystem-based management and sustainable natural resource use. Promote education and capacity-building initiatives to empower local communities to actively participate in conservation efforts.
By adopting ecosystem-based management, Guyana can enhance the sustainable use of its natural resources while safeguarding its unique ecosystems and supporting the well-being of its people.
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the relationship between reproduction and the nervous system
Answers
Answer: The nervous system plays a crucial role in coordinating and modulating various aspects of reproduction, including sexual behavior, hormone production, and reproductive physiology.
Explanation: The relationship between reproduction and the nervous system can be understood in terms of the control and regulation of reproductive processes by the nervous system.
The nervous system, specifically the brain, plays a crucial role in sexual behavior by combining sensory information, emotions, and mental processes. It regulates the release of hormones and neurotransmitters, which affect sexual arousal, desire, and mating behaviors.
The autonomic nervous system plays a role in reproductive physiology by controlling physiological reactions related to reproduction. The sympathetic division triggers the "fight-or-flight" response, which may momentarily limit reproductive activities during stressful situations. On the other hand, the parasympathetic division promotes relaxation and is involved in sexual desire and erection.
The nervous system is absolutely essential in effectively managing and organizing the complex reproductive processes that are absolutely critical for the survival and perpetuation of a given species.
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how do cells use oxygen during cellular respiration
Answers
Answer:
In cellular respiration, cells use oxygen to break the sugar molecule. That releases the energy which is then transferred to an ATP (adenosine triphosphate) molecule. ATP is the fuel that cells need for energy. And where does cellular respiration happen?
Explanation:
what does the word gastropoda mean
Answers
Answer:
a large class of mollusks which includes snails, slugs, whelks, and all terrestrial kinds.
Explanation:
hope that helps :D!
By the 1990s, researchers had shown that about 90percent of the variation in
personality traits is due to genetic variations.
O True
O False
Answers
Research from the 1990s showed that about 90% of the variety in personality traits can be attributed to genetic variances.
What would you say is genetics?Certain features or characteristics are passed on from parents to offspring due to changes in the DNA sequence. A gene is a segment of DNA that contains the instructions necessary to build one or more molecules necessary support bodily function.
Genetics focuses on genes. Our DNA transmits knowledge from one generation to the next. Characters were passed down orally from one generation to the next through inheritance.
describe a body?By eating right and working out frequently, you can keep your body in good shape. The word "body" can also reference to a person's basic physical makeup.
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