Answer:
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The condition in which the placenta is implanted in the lower uterine segment near or over the internal cervical os is _________________________.
The condition in which the placenta is implanted in the lower uterine segment near or over the internal cervical is Placenta previa.
What is placenta previa?
Placenta previa is a condition in which the placenta covers all or part of the opening to the cervical aperture, which sits at the top of the vagina, and lies very low in the uterus. One in 200 pregnancies results in placenta previa.
What is called when the placenta is attached to the uterus?The syndrome known as placenta increta refers to the placenta's abnormally strong attachment to the uterus and subsequent embedding in the muscle wall of the organ. A disorder known as placenta percreta.
When placenta percreta occurs?
placenta percreta occurs when the placenta connects to the uterus and spreads across it, perhaps affecting surrounding organs (such as the bladder).
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The disease that causes the development of numerous small cavities in the brain of infected individuals due to death of neurons, producing a spongy appearance, is called _______.
The disease that causes the development of numerous small cavities in the brain of infected individuals due to death of neurons, producing a spongy appearance, is called transmissible spongiform encephalopathy.
What is transmissible spongiform encephalopathy?The family of uncommon progressive neurodegenerative brain diseases known as transmissible spongiform encephalopathies (TSEs) or prion diseases affects both humans and animals. They usually result in death and have lengthy incubation periods. Once symptoms appear, they also proceed quickly.
TSEs are believed to be caused by prions, abnormally folded proteins, that build up in the brain causing brain damage and the characteristic symptoms associated with the disease. Contaminated medical equipment and neural tissue can spread prions infections. Instances of this include transmission through tainted dura mater grafts or corneal transplants.
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Watson and crick first built a triple helix model of DNA. In this model, the nitrogenous pieces for on the outside of the Daynam molecule, in the phosphate groups were on the inside.
at that time, why did it seem reasonable for the bases to be on the outside of the DNA molecule?
It is expected that the bases are located on the outside of the DNA molecule because it allows access in an easier mode for the cell.
What is DNA?Deoxyribonucleic acid (DNA) is a double helix composed of two long strands of nucleotide bases.
In DNA, nucleotide bases are expected to interact with the environment in order to make easier the process of transcription and replication.
In conclusion, bases are located on the outside of the DNA molecule to access in an easier mode for the cell.
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The administration of antibodies isolated from one individual or species to another to protect the recipient from a toxin or disease is referred to as __________ immunity.
The administration of antibodies isolated from one individual or species to another to protect the recipient from a toxin or disease is referred to as passive immunity.
Immunity to a disease is achieved due to the presence of antibodies to the disease in the human system. Antibodies are proteins produced by the body to neutralize or destroy organisms that carry toxins and diseases. Antibodies are disease-specific.
passive is the type of immunity that occurs when a person is given an antibody rather than making it by their immune system. For example, passive immunity occurs when the baby receives the mother's antibodies through the placenta or breast milk.
There are two types of immunity: active immunity and passive immunity. Active immunity occurs when our own immune system is responsible for protecting us from pathogens. Passive immunity occurs when we are protected from pathogens by the immunity of others.
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Swash is the down beach movement of water after a wave breaks on the
beach
True
Or
False
Answer:
True
Explanation:
When the broken wave reaches the base of the wet beach it collapses and runs up the beach face as swash or uprush in the swash zone
population is:
A. All of the individuals of a
species in a particular ecosystem.
B. All of the biotic and abiotic
factors in an ecosystem.
C. All of the individuals in a
particular ecosystem.
D. All of the individuals of a
species.
Population is all of the individuals of a species in a particular ecosystem. Correct option is A.
Population refers to a group of individuals of the same species that live and interact in a particular geographic area. Option A accurately defines a population as all the individuals of a species present within a specific ecosystem or geographical location. A population is a fundamental unit of ecological study and plays a crucial role in understanding the dynamics of species interactions, reproduction, and adaptation in a given habitat.
In ecology, a population is a fundamental unit of study that refers to a group of individuals of the same species living in a particular geographic area or habitat. This group of individuals of the same species shares common characteristics and can potentially interbreed with one another. They interact with each other and their environment, influencing their survival, reproduction, and overall dynamics.
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The parasympathetic nervous system A. dominates in quit, relaxed situations B. has neurons that display nicotinic receptors C. all of these D. has long preganglionic fibers that end on terminal ganglia, which lie in or near the effector organ E. releases a postganglionic neurotransmitter that binds with muscarinic receptors
c. All of these. The parasympathetic nervous system satisfies all the options.
Parasympathetic nervous system:The parasympathetic nervous system is a branch of the nervous system that largely regulates visceral organs like glands. One of the two antagonistic sets of nerves that make up the autonomic nervous system is the parasympathetic nervous system; the other set consists of the sympathetic nervous system. Contrary to the sympathetic system, which triggers the so-called fight-or-flight response, the parasympathetic system does not play a major role in the maintenance of life. The cranial nerves, particularly the vagus nerve, and the lumbar spinal nerves make up the nerve fibers of the parasympathetic nervous system. These nerves cause the pulse to slow down and the digestive secretions to increase when activated.
The parasympathetic nervous system dominates in quiet, relaxed situations and has long preganglionic fibers that end on terminal ganglia, which lie in or near the effector organ . It also releases a postganglionic neurotransmitter that binds with muscarinic receptors.
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Rising, moderate levels of estrogen inhibit tonic LH secretion, whereas high levels of estrogen stimulate the LH surge. True False
Rising, moderate levels of estrogen inhibit tonic LH secretion, whereas high levels of estrogen stimulate the LH surge. is true.
Luteinizing hormone (LH) activates bodily functions that are crucial for sexual development, reproduction, and health. LH is secreted by a little organ in your brain called the pituitary gland. Your ovaries or testes undergo alterations as a result of LH, enabling your reproductive system to operate normally.However, the feedback function of estradiol shifts to a positive one during prolonged exposure to elevated levels in the late follicular phase of the reproductive cycle, causing a rise in GnRH release from the brain and signaling the pituitary LH surge that causes ovulation.As circulating estrogen levels rise, the hypothalamic-pituitary axis is stimulated, causing a surge in the release of luteinizing hormone (LH). The positive estrogen feedback that initiates ovulation is this.learn more about Luteinizing hormone (LH) here: https://brainly.com/question/10050537
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A teacher divides her class into four groups. She assigns
each group the task of measuring the volume of a liquid in
a container three times. The teacher already knows that
the volume is 18 mL.
Based on the results from each group, which group makes the most precise
measurements of the liquid's volume?
A. Group A: 17.9 mL, 19.1 ml, 21.0 mL
B. Group B: 18.5 mL, 18.0 mL, 17.8 mL
OC. Group C: 19.1 mL, 19.0 mL, 17.0 mL
D. Group D: 20.0 mL, 20.1 mL, 19.9 mL
Answer:
Group D
Explanation:
Precision is how close the measurements are to each other
Select the correct location on the image.
Which area is cold all year and experiences low precipitation?
Answer:
the polar tundra
Explanation:
it is always cold at the poles
Hello!
The area which is cold all year and experiences low precipitation would be the uppermost box. Here, in this region, as it is a polar region, throughout the year, sunlight received here will be minimal and precipitation will be less in a dry area.
When there is a lack of recycled bile salts, the ____________ uses ____________ from the bloodstream to make new ____________ .
When there is a lack of recycled bile salts, the liver uses cholesterol from the bloodstream to make new bile salts.
The liver assumes a key part in controlling cholesterol levels in the body, by making cholesterol to be conveyed to cells that need it around the body, and furthermore by eliminating cholesterol by changing it over completely to bile salts so the body can dispose of it in bile.
Bile salts are made of bile acids that are formed with glycine or taurine. They are delivered in the liver, straightforwardly from cholesterol. Bile salts are significant in solubilizing dietary fats in the watery environment of the small intestine system.
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PLEASE HURRY!!!
Which is the function of the type of muscle that is pictured below
Support and movement of the skeleton
Movement of food through the digestive system
Contraction and relaxation of the heart
Generation and conduction of electrical signals
This is is a smooth muscle hence it can perform the function of contraction and relaxation of the heart. (Option C)
What is a smooth muscle?The smooth muscle refers to the muscle that is not under conscious control. They control some involuntary movements such as the beating of the heart and breathing.
Thus muscle that is pictured here is a smooth muscle hence it can perform the function of contraction and relaxation of the heart.
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Certain substances, like caffeine and citrus juices, are classified as diuretics. This means that they cause diuresis in the kidneys. What effect will diuretics have on the urinary system
Diuretics increase the volume of urine excreted.
What are diuretics and diuresis?Diuretics:Diuretics, often known as water pills, aid in the removal of salt (sodium) and water from the body. The majority of these drugs encourage your kidneys to excrete more sodium in your urine. By assisting in the removal of water from your circulation, salt aids to reduce the volume of fluid moving through your veins and arteries. Blood pressure falls as a result.
Diuresis:When the kidneys filter too much body fluid, it is called diuresis. As a result, you produce more urine and need to use the restroom more frequently.
The normal adult will urinate four to six times each day, producing between three cups and three quarts of urine on average. Even though their fluid consumption may not have altered, people with diuresis urinate more frequently than that.
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Vascular plants exhibit alternation of generation. What is alternation of generation?
© A.
The plant exhibits reduced sporophyte and dominant gametophyte alternately.
B.
Plant cells undergo mitosis and meiosis alternately.
C.
The plant exists as a diploid organism, a and at other times as haploid.
Answer:
C. The plant exists as a diploid organism, a and at other times as haploid.
Explanation:
Plant generations alternate. They go back and forth between sporophyte and gametophyte.
A gametophyte is a generation. Haploid gametophytes exist. They therefore possess a single pair of chromosomes. Spora are the source of gametophytes. Gametophytes develop into large, tall organisms before producing gametes. Thus, the name. A plant embryo is created when these gametes—which are the sperm and eggs of a plant—combine. This embryo occasionally has a covering of seed surrounding it for protection. In certain cases, the seed is even surrounded by fruit.
the sporophyte develops from the embryo. Sporophytes, like you and I, are diploid. They therefore have two sets of chromosomes that are identical ("di"=2). Sporophytes develop into large, tall organisms before producing spores. Thus, the name. Since meiosis is how these spores are produced, they only contain one set of chromosomes. The spores disperse into the environment and develop into gametophytes.
So, to summarize, gametophyte > gametes > embryo > sporophyte > sporophyte > sopre > gametophyte > gametes > and so on. Until a chance genetic mutation results in a significant alteration.
___________________________________________________
A generation that alternates between haploid and diploid (or tetraploid/diploid, hexaploidy/triploid, etc.) is said to be alternating.
On the surface, this alternating of generations between most land plants resembles animal gametes, but in plants, the cells formed during meiosis are not the gametes themselves; instead, the gametes are later created by those cells during mitosis. Consequently, in place of:
2n -> Meiosis -> n (gamete) -> fusion -> 2n
we have
2n -> meiosis -> n (gametophyte e.g. pollen) -> mitosis -> n (gamete e.g. sperm) -> fusion -> 2n
The haploid generation is morphologically identical to the diploid generation in many lower plants. The dominant theory holds that plants' capacity to go through mitosis after meiosis but before fusion spontaneously developed. The less popular theory contends that plants have alternated generations throughout time and that as land plants got more specialized over time, natural selection drove the gametophyte to drastically decrease over time. These are referred to as the homologous and antithetic hypotheses, respectively.
The primary evolutionary benefit of diploid organisms is their ability to conceal harmful genes using two gene copies. The high level of specialization offered for each generation, one for growth and one for reproduction, is another benefit.
Which type of bond forms disaccharides?
A. 1-4 Hydroxyl bond
B. 1-5 Galactosidic bond
C. Hydrogen bond
D. 1-4 Glycosidic bond
Answer: D
Explanation:
Disaccharides type of bond forms 1-4 Glycosidic bond
write an essay how water moves from the soil to leaves of a mesophyte
Water moves from the soil to the leaves of mesophytes by osmosis and xylem conduction.
What are mesophytes?Mesophytes are plants that are adapted to moderate water environments only. In other words, they cannot survive extremely or extremely wet environments.
Water moves from the soil to the leaves of mesophytes as follows:
1. Water moves into the root hair by osmosis
2. Water is conducted upward from the root hairs by special cells known as xylems.
3. Conducted water reaches various plant parts, including leaves.
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The ______ in the cell sap are responsible for the red and blue colors of many fruits and vegetables.
Anthocyanins
The anthocyanins in the cell sap are responsible for the red and blue colors of many fruits and vegetables.
What are anthocyanins?Anthocyanins are a family of intensely colored red, purple, and blue pigments that are present in plants. They belong to the larger class of plant-based compounds known as flavonoids. All plant parts, including fruits, seeds, shoots, flowers, and leaves, are rich in flavonoids. By luring pollinators, they promote plant reproduction and shield plants from environmental stresses including UV (ultraviolet) light, drought, and cold.
Six major forms of anthocyanins are identified among the approximately 6,000 flavonoids:
CyanidinDelphinidinMalvidinPelargonidinPeonidinPetunidinAnthocyanins are typically abundant in foods like red, purple, blue, and black fruits, vegetables, and grains. The largest concentrations are found in berries, especially black elderberries and aronia berries (chokeberries). Strawberries, raspberries, blackberries, and blueberries are other excellent sources.
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In a trophic cascade, the removal of a top predator would decrease the
predator and prey's food source
predator and its food source
predator and its predator's food source
prey and its food source
The presence of a top predator also helps to maintain balance in an ecosystem by influencing the behaviour and movements of its prey through the fear of being caught.
What is Trophic Cascade ?trophic cascade, an ecological phenomenon triggered by the addition or removal of top predators and involving reciprocal changes in the relative populations of predator and prey through a food chain
When a top predator is removed from an ecosystem, a series knock-on effects are felt throughout all the levels in a food web, as each level is regulated by the one above it.The results of these trophic cascades can lead to an ecosystem being completely transformed.Learn more about Trophic Cascade here:
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Prolactin has a permissive effect on oxytocin in breast tissue. If prolactin levels were high, but oxytocin receptors had been blocked by a drug, what would be the result
Answer:
If prolactin levels are high, but oxytocin receptors are blocked by a drug, the result would be that milk production would not be stimulated.
Explanation:
You carry out a self-cross of the offspring produced from a cross between homozygous pea plants with yellow and green seeds. You observe a 3:1 phenotypic ratio in the next generation. What is the underlying genotypic ratio
If the phenotypic ration is 3:1 then the underlying genotypic ratio will be 1:2:1.
The genotype of an individual is their own DNA pattern. More specifically, the two alleles a person acquired for a particular gene are referred to by this phrase. The observable character of this genotype is called a phenotype.The genotype of an organism is the particular arrangement of alleles for a particular gene. As an illustration, the genotypes for the flower-color gene in the pea plants were red-red, red-white, and white-white. The physical representation of an organism's allelic combination is called a phenotype.for example let us take the example of the height of pea plant. the T represent tall plant (dominant) while t represents short/dwarf plant (recessive). In this monohybrid cross the phenotypic ratio observed is 3:1 i.e., three tall plants and one dwarf plant.However the genotypes of the four offspring will be TT, Tt, Tt, tt.Hence the genotypic ratio comes out to be 1:2:1.The same is shown in the Punnett square below
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help please doesn’t have to be perfect
Answer:
Using fur color and eye colour as a trait for mice. Will the genes of the mice be independent or linked?
hope this is okay it's not perfect:-)
Part C
Projected values are only estimates. Can you think of either a natural or artificial factor that could increase or decrease the actual amount of wind energy the United States produces in the future?
Natural or Artificial factor that could increase the actual amount of wind energy the United States produces in the future
Foresight of the Wind.The transmission has a variable top speed.Permanent magnet motor with a constant output speed.Intelligent control of torque and rotational speed.What is wind power source?Generally, Wind turbines are the primary component in converting wind energy into usable electricity.
In conclusion, When compared to the emissions produced by burning fossil fuels, wind power is clearly the more environmentally friendly option.
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Answer:
Technological advancements in the future could lead to the production of higher-efficiency turbines, which could generate more electricity than originally predicted. Climate changes over time could affect wind speeds in a region, leading to higher or lower energy production
Explanation:
Where do deep ocean
currents begin?
A. In the top 10% of water starting
at the surface.
B. In the 100 meters just above
the ocean floor.
C. Below 400 meters from the
surface.
D. Below 1000 meters from the
surface.
Deep ocean currents begin in the 100 meters just above the ocean floor and is denoted as option B.
What is Ocean current?
This is depicted by the sea water being continuously moved from one place to another through wind etc.
Deep ocean current exist thousands of meters below the surface in areas close to the ocean floor which therefore makes it the most appropriate choice.
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What connections can you make about the relationship between energy and the number of organisms in a food chain?
Answer: I think it would mix energy with organisms
Explanation:
becaus they just shatter all over every were.
What was the role of the revivalists of the Second Great Awakening in the abolitionist movement?
A.
The revivalists of the Second Great Awakening were against the abolitionist movement.
B.
Many of the revivalists of the Second Great Awakening campaigned against slavery.
C.
Revivalist preachers didn’t believe in slavery.
D.
Most revivalists taught their enslaved people to preach to the American Indians.
The role of the revivalists of the Second Great Awakening in the abolitionist movement is that revivalist preachers didn’t believe in slavery so they contribute in the abolitionist movement against slavery.
What is the role of revivalists of the Second Great Awakening in the abolitionist movement?Social activism influenced the abolition groups and provide support in their movement. They began efforts to reform prisons and care for the handicapped and mentally ill people.
So we can conclude that option C is the correct answer.
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As you finish your college degree, you learn that the mountain behind your childhood home in the hills of the town you grew up are slated to be mined for coal using the mountain top removal method. Your parents, who still leave there are worried for their health and safety and do not want to lose the beautiful forested creek and ravine behind their property. However your brother is out of work and could use the mining job. What would you attempt in this situation?
In this situation, I would try not to allow the exploitation of the mountain to occur, degrading nature and the property that her family has, because her brother may look for another job, but nature would not recover.
What are the impacts of coal mining?The burning of coal for energy produces highly toxic effluents, such as mercury and other heavy metals such as vanadium, cadmium, arsenic and lead. In addition, the release of carbon dioxide causes pollution in the atmosphere, exacerbating global warming and contributing to acid rain.
With this information, we can conclude that Sedimentation and pollution of rivers due to improper disposal of unused material would make life on the family's property unfeasible.
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Most of the tree is made of xylem cells and therefore, most of the tree is____________. involved in carrying oxygen dermal tissue dead meristem
Most of the tree is made of xylem cells and therefore, most of the tree is dermal tissue.
The epidermis is the single layer of cells that covers a plant's exterior and is made up of dermal tissue. The epidermis might be compared to the plant's outer layer. The majority of the interactions between a plant and its surroundings are mediated by it. The cuticle, a waxy substance secreted by epidermal cells, covers, waterproofs, and shields plants' above-ground parts. The cuticle guards against toxins, water loss, abrasions, and infections.The vascular plants' xylem is responsible for moving water and nutrients from the soil to the stems and leaves. Xylem provides a crucial "supporting" role by giving tissues and organs strength, preserving the structure of the plant, and resistance to bending.
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The term ____________________ describes one-celled microscopic organisms, some of which cause diseases in humans.
An agent that causes disease is referred to as a pathogen, particularly a bacterium, fungus, or other microbe. The phrase “microorganism” broadly refers to all one-celled microscopic organisms, both harmful and beneficial.
What are the one-celled microscopic organisms?Single-celled, microscopic organisms called protozoa exist. In humans, protozoa can proliferate and spread from one person to another.
They have the potential to spread infectious parasite diseases such toxoplasmosis, giardia, and malaria.
There are several ways that parasitic infections can spread. For instance, contaminated food, water, waste, soil, and blood can spread helminths and protozoa.
Therefore, The term protozoa describe one-celled microscopic organisms, some of which cause diseases in humans.
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If
the gene for a sex linked trait is located on the X chromosome, will the trait be
exhibited by only males, only females, or both?
Name two factors other than temperature which affect the rate of an enzyme controlled reaction
Answer:
enzyme activity be affected by a variety of factors such as temperature,pH, concentration