Answer:
Meiosis
Explanation:
Only reproductive cells/gametes use meiosis.
What was a major problem for anthropologists when they were just studying objects in museum collections?
A major problem for anthropologists when they were just studying objects in museum collections was that the objects were viewed as isolated from their cultural context.
What is Anthropology?Anthropology is the scientific study of humans and includes the study of historical and contemporary human species as well as human behavior, biology, cultures, civilizations, and linguistics. While cultural anthropology examines cultural meaning, including norms and values, social anthropology explores patterns of behavior.
Today, the phrase sociocultural anthropology is frequently employed as a portmanteau. Language's impact on social life is the subject of linguistic anthropology. The biological evolution of people is studied in biological or physical anthropology.
Archaeological anthropology, sometimes known as "anthropology of the past," examines physical evidence to study human behavior. In North America and Asia, it is regarded as a subfield of anthropology, but in Europe it is viewed as a field unto itself or categorized under other related fields like paleontology and history.
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what do you mean by acrophobia and ephebiphobia?
Answer:
Acrophobia ------- intense fear of heights
Ephebiphobia -----the fear of youth
Answer:
Acrophobia means extreme or irrational fear of height .Ephebiphobia is the fear of youthhope your day goes great.
What types of pollutants can interfere
with the health of Wetland Ecosystems?
A) All of the above are threats to Wetlands.
B) Petroleum products such as motor oil.
C) Pesticides.
D) Nitrogen & Phosphorus fertilizer.
An important interaction between fungi and plants is a mycorrhiza, which __________ mastering biology
Mycorrhizae are mutualistic associations with plant roots that improve nutrient absorption.
What is mutualistic association?When two species of organisms "collaborate together," each benefits from the relationship.
Mutualism refers to the ecological communication between two or more species in which each species benefits.
The oxpecker which is a type of bird and the rhinoceros or zebra have a mutualistic relationship.
Thus, in the given scenario, it is mutualistic association that is enhancing the nutrient absorption.
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identify the type of study if the psychologist is observing and recording behavior
A. Case
B. Survey
C. Naturalistic
Answer:
Survey
Explanation:
Because in the question it says OBSERVING and a synonym of abserving is surveying or survey
Answer:
naturalistic
Explanation:
The way in which relative distance from the ocean can produce significant differences in climate is termed as .
Answer:
Continentality
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treating bacteria, like e. coli, with a cold solution of calcium chloride can make the cells more receptive to take up dna from a solution. bacterial cells prepared by this process are referred to as: group of answer choices
The ice-cold calcium chloride \(CaCl_{2}\) solution makes it easier for DNA to adhere to the cell's surface and subsequently enter the cell following a brief heat shock. Typically, selection or screening markers like drug resistance or fluorescence are used to identify altered cells.
If E. coli cells' cell walls are modified to allow DNA to pass through more freely, the likelihood that the cells will integrate foreign DNA increases. These cells are described as "capable." Among the capable cell preparation techniques, the calcium chloride transformation approach is the most effective one. It enhances plasmid DNA incorporation by the bacterial cell, promoting genetic modification. Plasmid DNA can attach to LPS by being added to the cell suspension together with calcium chloride. Thus, when heat shock is applied, the negatively charged DNA backbone and LPS combine, and plasmid DNA enters the bacterial cell.
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list two ways on how proffesional sports officials can be held accountable for match fixing in South africa
Professional sports officials can be held accountable for match-fixing in South Africa, for accepting corruption or bribery.
What is corruption in football?Criminal groups operate in a number of sports, but the main target is football. Corruption in sport, in turn, facilitates financial crime, including money laundering on an international scale. Screening and due diligence processes are effective ways to combat the problem.
With this information, we can conclude that professional sports officials can be held liable for match-fixing in South Africa, for accepting corruption or bribery.
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Charles Darwin concluded that the 13 species of finches on the Galapagos islands:A. all adapted to the same predators in different ways.B. All of these.C. probably evolved from one single ancestral species from the mainland.D. are identical to species on the mainland.
The correct answer is C. probably evolved from one single ancestral species from the mainland. Darwin realized that Finches differed form their relatives in mainland. The finches he saw were all particular on their own, so he concluded that their isolation from mainland and their insular habitat make them to evolve different traits, eventually each finch become a different species.
Which of the following best describes the role of photosynthesis in the carbon cycle? Choose 1 answer: Choose 1 answer: (Choice A) A Photosynthesis breaks down carbon-based molecules and releases carbon dioxide into the atmosphere. (Choice B) B Photosynthesis moves carbon from the atmosphere into the bodies of living organisms. (Choice C) C Photosynthesis moves carbon-based molecules between consumers in an ecosystem. Stuck?Review related articles/videos.
Answer:
B
Explanation:
this is because animals eat plants that made starch through photosynthesis.hence carbon dioxide enters animals body.
Protein plays many roles in the body. Match each example to a function of protein.Forms glucose: despite fasting overnightMaintains fluid balance: LouisiaProduces vital body structures: malnourished babyForms enzymes and hormones: charlie'sContributes to immune function: bethprovides energy: bill
Protein is an essential macronutrient that plays various roles in the body. One of the functions of protein is to form glucose, especially during periods of fasting. Glucose is an essential energy source for the body, and when glucose stores are depleted, the body turns to protein to produce glucose.
Protein is also vital for maintaining fluid balance in the body. For instance, Louisia is dependent on protein to regulate the body's fluid levels, which is essential for proper cellular function and overall health. In addition to fluid balance, proteins also contribute to the formation of vital body structures. For example, a malnourished baby may suffer from stunted growth and a weakened immune system due to insufficient protein intake. Protein is essential for building and repairing body tissues, such as muscles, bones, and organs. Protein also forms enzymes and hormones, such as Charlie's body requires. Enzymes are essential for catalyzing chemical reactions in the body, while hormones help regulate various physiological processes, such as metabolism and growth. Protein plays a crucial role in immune function, as seen in Beth's example.
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What is not true about ionic bonds? They have low melting points, they conduct electric current when dissolved in water, they form hard brittle crystals
Answer:
Explanation:
This is because ionic bonds have high melting point because they are held together by strong electrostatic force which hold the opposite charges together. This make the lattice to have lot of ions and alot of energy is required to overcome it, hence they have high melting and boiling points.
Ionic bond is a bind that have electrostatic attraction between atoms of opposite ions.
you are studying a gene in mouse cells being grown in a laboratory. for the mouse cells to function correctly, any given cell must have six units of functional protein encoded by your gene of interest. in heterozygous mouse cells carrying one null allele and one wild-type allele of this gene, only four protein units are produced. this gene is thus:
Mouse cells carrying one null allele and one wild-type allele of this gene, only four protein units are produced. this gene is thus haploinsufficient.
A DNA sequence (a single base or a segment of bases) at a certain gene region might have two or more variations, each of which is referred to as an allele. For any chromosomal region where such variation exists, a person inherits two alleles, one from each parent. The person has homozygosity for that allele if the two alleles are identical.
We refer to the variant form(s) or versions of a gene as an allele. We frequently group the alleles into categories since each autosomal gene results in one allele that is inherited from each parent. They are frequently referred to as either normal or wild-type alleles, abnormal or mutant alleles, or both.
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when substances such as oxygen and nutrients move from high concentrations in the blood to low concentrations in the tissue cells, it is called
Your capillaries also facilitate the flow of waste products, nutrients, and oxygen between your tissues and blood. There are two processes involved in this: passive diffusion.
What is a tissue's purpose?Tissues: A group of cells that share a common structure and function are referred to as tissues. The tissues of the body give it shape and help with energy storage and body heat preservation. The four types of tissues are epithelial, connective, muscular, and nervous.
Why are they called tissues?The French verb tisser, which means "to weave," has a past participle called "tissu," which is where the English term "tissue" comes from. Histopathology, or histology in relation to disease, is the study of tissues.
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Epithelial cell must be replaced quickly in order to prevent _______________________ and ____________________ from entering. Also they prevent ___________________________ from escaping the tissues.
Answer: germs and toxins and they prevent moisture from escaping the tissues
Explanation:
Is the following statement true or false?
Mitosis helps in the growth and repair of our body cells.
It is true that mitosis helps in the growth and repair of our body cells.
What is mitosis?Mitosis is the process by which a cell replicates and then segregates its chromosomes, producing two identical nuclei in preparation for cell division.
Mitosis is commonly followed by the equal division of the cell's contents into two daughter cells with identical genomes.
To ensure that the two new cells have full copies of the necessary genetic information, chromosomes in the original cell are duplicated.
Mitosis produces new cells that are genetically identical to one another. Mitosis allows organisms to grow and repair damaged tissue.
Thus, the given statement is true.
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What causes wind on top of hills and mountains? (PLEASE HURRY!)
A. cool air rising while hot air sinks
B.cool air and hot air hitting each other
C.hot air rising when cool air sinks
D.cool air and rain clouds
Help me! I don't know the answer to this problem I need severe help!
Carbon is found in: (select all that apply)
plz hurry will mark brainly
Question 1 options:
living animals and plants
oceans
rocks
atmosphere
fossil fuels
The study of chemical and bonds is called chemistry.
The correct answer is all of them.
What is carbon?Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent-making four electrons available to form covalent chemical bonds.carbon is the basic element that is present in all constituents of the universe.
Hence, carbon is present in all of the options given.
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what are 2 functions of the cell membrane
Answer:
(1) they keep toxic substances out of the cell.
(2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles
Answer:
2 functions of the cell membrane are to be a barrier type by keeping the constituents of the cell in and unwanted substances out and the other function is to be a gate type allowing transport into the cell of essential nutrients and movement from the cell of bad or waste products.
Explanation:
I need help fast, please and thank you.
Amy hikes down into the Grand Canyon to see Havasu Falls, a waterfall famous for its blue-green water and rock formations.
How does water shape Earth’s surface? What is the main way the hydrosphere interacts with the geosphere at Havasu Falls? Explain how this process forms waterfalls.
Basically when water goes over the earth it corrodes it and in that way shapes the earth's surface. The hydrosphere corrodes the gyoshere at Havasu Falls.
The hydrosphere is interacts with the geosphere at Havasu falls via Erosion. The erode of waterfalls softer surface of the rocks that leads to shaping the Earth's surface.
What is Geosphere?
The geosphere is the layer of Earth which consists of solid rock and other rocky materials. In contrast it could be said that the geosphere is a part of the physical, solid Earth which excludes hydrosphere (i.e. oceans, lakes, and rivers) or the atmosphere (the layer of gases that separates the ground from space).
The term geosphere is basically the the crust portion of earth, as the crust elucidates the outer layer of earth's rigid portion.
The geosphere is basically all about processes, the rock cycle processes consisting of metamorphism, melting and solidification, weathering, erosion, deposition, and burial, these constant process are responsible for the recycling of rocks on Earth between sedimentary, igneous, and metamorphic states.
Thus, the hydrosphere is interacts with the geosphere at Havasu falls via Erosion. The erode of waterfalls softer surface of the rocks that leads to shaping the Earth's surface.
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The name for the place in the skull where the spinal cord joins the brain is the ______, and its placement in the species named toumai or sahelanthropus suggests that toumai may have walked bipedally.
The name for the place in the skull where the spinal cord joins the brain is the Foramen Magnum.
What is Spinal Cord?From the medulla oblongata in the brainstem to the lumbar portion of the vertebral column, the spinal cord is a long, thin, tubular tube consisting of nerve tissue (backbone). The spinal cord's core canal, which contains cerebrospinal fluid, is enclosed by the backbone.
The central nervous system is comprised up of the brain and spinal cord (CNS). In humans, the spinal cord starts at the occipital bone, travels through the foramen magnum, and then enters the spinal canal at the first cervical vertebra. Between the first and two lumbar vertebrae, the spinal cord comes to a stop. The somewhat shorter spinal cord is shielded by the bony vertebral column that surrounds it.
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fr.ee points for the hoomies
also plz answer my question abt stem cells ;,)
Answer:
STEM CELLS
They serve as a repair system for the body.
what is meant by acropetal succesion?
Answer:
This is when older flowers are more at the base whilst younger/newer flowers are above
Explanation:
It's all about flower arrangement
Nitrate in groundwater can be increased by infiltration of runoff from
Select one:
A. manure from cattle feedlots.
B. fields treated with synthetic fertilizers containing nitrogen.
C. rain runoff with dissolved nutrient
D. All of the above.
Nitrate in groundwater can be increased by the infiltration of runoff from various sources, including manure from cattle feedlots, fields treated with synthetic fertilizers containing nitrogen, and rain runoff with dissolved nutrients.
Hence, the correct option is D.
Nitrate in groundwater can be increased by the infiltration of runoff from various sources, including manure from cattle feedlots, fields treated with synthetic fertilizers containing nitrogen, and rain runoff with dissolved nutrients. These sources can contribute to the contamination of groundwater with nitrates.
Manure from cattle feedlots often contains high levels of nitrogen, which can leach into the soil and eventually reach groundwater.
Similarly, synthetic fertilizers used in agricultural fields contain nitrogen compounds that can also be washed into the soil and groundwater through runoff. Additionally, rainwater carrying dissolved nutrients can infiltrate the ground and contribute to nitrate contamination.
Therefore, all of the given options can contribute to the increase of nitrate in groundwater through runoff infiltration.
Hence, the correct option is D.
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what is synaptic integration? what is synaptic integration? adding together all ipsps generated by a single neuron adding together all epsps generated by a single neuron a process by which multiple synaptic potentials combine within one postsynaptic neuron a method of comparing the amplitudes of miniature postsynaptic potentials
Synaptic integration is the process by which multiple synaptic potentials combine within one postsynaptic neuron. It is a mechanism through which neural information is processed and transmitted.
In the process of synaptic integration, the postsynaptic neuron receives inputs from multiple presynaptic neurons. These inputs are in the form of excitatory postsynaptic potentials (EPSPs) and inhibitory postsynaptic potentials (IPSPs). EPSPs are positive potentials that tend to depolarize the postsynaptic neuron, while IPSPs are negative potentials that tend to hyperpolarize it.
The postsynaptic neuron then combines these inputs, by adding together all EPSPs and IPSPs generated by different presynaptic neurons. The resulting synaptic potentials are then used to determine whether the postsynaptic neuron will fire an action potential or not. Synaptic integration is an essential process in the neural communication and it helps to transmit the complex information between neurons.
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Consider the shapes of the cells in the top half of the tissue shown in the picture.
Which geometric solid is the best model for a cell in the bottom two layers of cells?
Answer:
I need to see the picture to answer the question... Could you post a pic of it, please?
What controls this ability to connect through the body movements and facial expressions of others?
Our volitional centre, the motor cortex, is where we impose specific facial expressions in order to convey the desired message or because the situation requires it.
What is the purpose of the motor cortex?The motor cortex's main job is to provide signals that control how the body moves. It is anterior to the central sulcus and a portion of the frontal lobe. The primary motor cortex, premotor cortex, and supplementary motor area make up this region.What kinds of motions does the motor cortex regulate?The motor cortex generates signals that are particular to movements and sends them to the muscles via spinal cord circuits and motor neurons to regulate motor behaviour. For the execution of movements to be precise, coordinated muscle activation patterns are required.learn more about motor cortex here
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The diagram below shows many of the processes involved in the carbon cycle. Which of the processes shown releases carbon into the atmosphere?
The process which release carbon dioxide to the atmosphere are animal respiration, combustion of fossil fuels, volcanic activity, plant respiration. natural combustion.
What is volcanic activity?Gas emissions, non-explosive lava emissions, and extremely intense explosive bursts that may persist for several hours are all examples of volcanic activity. Volcano shapes and sizes are influenced by the types of eruptions in terms of relative quantities, types, and lava flow patterns.
An eruption of lava may include
an eruptive pulse, which is essentially an explosion with an eruption plume as well as lave surges without an explosion. From a few seconds to minutes, a pulse can occur.
a prolonged eruptive phase made composed of multiple eruptive pulses that may alternate between explosions and lava surges and continue anywhere from a few hours to days;
a single eruption or eruptive occurrence that lasts several days, months, or years and is made up of different phases (Fisher and Schmincke, 1984). For nine years, Paricutin, Mexico, was erupting. Over 2000 years have passed since the last eruption of Stromboli, Italy.
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