while the human is the host. In the life cycle of the lung fluke, the crayfish is the both definitive hosts definitive host, intermediate host intermediate host, definitive host none of the above
Answers
In the life cycle of the lung fluke, the crayfish is the intermediate host while the human is the definitive host. Definitive host: An animal or human that serves as a definitive host for a parasite and where the parasite becomes sexually mature and reproduces is referred to as a definitive host.Intermediate host:
An organism in which the parasite undergoes one or more development stages, but it does not become mature enough to reproduce is referred to as an intermediate host.In the life cycle of the lung fluke, the crayfish is the intermediate host while the human is the definitive host.
The life cycle of the lung fluke comprises three stages: eggs, miracidia, and sporocysts. Adults of Paragonimus westermani live in human lungs, while adult Paragonimus kellicotti lives in the lungs of carnivorous mammals, such as raccoons or domestic cats.
After mating, eggs are released into the sputum and coughed up by the human host.The eggs are eaten by snails, in which they hatch and develop into larvae known as miracidia, which then penetrate the tissues of the snail.
The miracidia then transform into sporocysts, which mature into cercariae, the infective stage that can swim away from the snail. When the cercariae come into touch with a crayfish, they penetrate the tissue of the crustacean and become encysted as metacercariae.
When the infected crayfish is eaten by a mammalian host, such as a human, the parasite is then transferred to its new host where it is able to grow and reproduce.
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Related Questions
(SCIENCE) You arrive in science class 45 seconds after leaving math class which is 45 meters away. How fast did you walk?
Answers
1m/s
Explanation:
You walked 1m/s because you walked 1m every second
what is true of a population
Answers
Answer: all members live at the same time all members live in the same area and all members are the same species
Explanation: trust
Lack of medical knowledge
Answers
what is part of the neuron could be considered its 'gate'?
Answers
Answer:
Axon hillock
Explanation:
The part of a neuron that could be considered its "gate" is the axon hillock. The axon hillock is the region of the neuron that connects the cell body (soma) to the axon. It is the site where the neuron integrates signals from other neurons and decides whether to generate an action potential, which is the electrical signal that travels down the axon to transmit information to other neurons or muscles. The decision to generate an action potential is based on whether the sum of the signals received at the axon hillock exceeds a certain threshold. So, in this sense, the axon hillock can be considered the "gatekeeper" of the neuron, controlling whether or not signals are transmitted down the axon.
What does the chemical energy of food molecules provide?
Answers
Answer: Cellular respiration is the process by which the chemical energy of "food" molecules is released and partially captured in the form of ATP. Carbohydrates, fats, and proteins can all be used as fuels in cellular respiration, but glucose is most commonly used as an example to examine the reactions and pathways involved.
Explanation:
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What do you call the sites where DNA replication and separation occur?
Answers
The site where DNA replication and separation occurs is called replication fork.
DNA replication is the process where a segment of DNA makes its own copies. This process occurs inside the nucleus by the action of the enzyme DNA polymerase. After replication, the DNA consists of one parent strand and one newly formed daughter strand.
Replication fork is a Y-shaped structure formed at the DNA where the unwinding takes place. This unwinding occurs to initiate the process of replication. One DNA consists of two replication forks simultaneously. And thus the replication process occurs in two opposite directions at the same time.
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Deer need food and water to survive. What are food and water for the deer population?
carrying capacity
limiting factors
population growth
scarce resources
Answers
Deer love to come and graze in fields that are home to a broad range of wild flora and flowers.
What do wild plants do?When referring to plants or plant species, the term "wild" describes those that can grow naturally in self-maintaining populations in habitats that are natural or semi-natural and are not directly reliant on human intervention.
What do herbs actually do?In addition to housing crop viruses and other illnesses, wild plants serve as important reservoirs and sources of insects, mites, and nematodes. Certain wild plant species may be required for a virus' alternate host, acting as an essential intermediary.
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The cosmological principle in astronomy Group of answer choices is contradicted by the existence of quasars is confirmed by many observations done by Hubble and many other astronomers since applies only to the Milky Way Galaxy, not to anything outside it is only an assumption, for which we don't have any real evidence yet
Answers
The cosmological principle is a fundamental principle in modern astronomy that states that the universe is homogeneous and isotropic on a large scale.
In simpler terms, this means that the universe looks the same in all directions and that there are no special places in the universe. The principle has been confirmed by many observations done by Hubble and many other astronomers since it was first proposed.
However, the existence of quasars has been seen as a contradiction to this principle. Quasars are extremely luminous objects that emit huge amounts of energy. They are thought to be powered by supermassive black holes at the centers of galaxies. Since they are so bright, they can be seen at very large distances, which means that they must have been present in the early universe.
The presence of quasars suggests that the universe was not homogeneous at early times. Instead, it was clumpy, with regions of high density and low density. This is because quasars are more common in regions where there are many galaxies and less common in regions where there are few galaxies.The cosmological principle is a fundamental principle in modern astronomy that states that the universe is homogeneous and isotropic on a large scale.
Despite this contradiction, the cosmological principle remains a powerful tool for understanding the universe. It has been confirmed by many observations, and it is supported by the Big Bang model of the universe. While there may be exceptions to the principle, such as the presence of quasars, these exceptions do not invalidate the principle as a whole.
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The earliest fossil evidence of catarhines, including the dental formula 2.1.2.3, a fused frontal bone, and post-orbital closure dates to the
Answers
The fossil evidence provides a evolutionary relationship between the catarhines.
What are fossils?Fossils are remains of dead plants and animals that have been preserved from the past and which provides information about life in the past.
Catarhines are monkeys known as Old World anthropoids or Old World monkeys.
Catarhines includes:
gibbons,orangutans,gorillas,chimpanzees, andhumans.The fossil evidence provides a linkage between the catarhines.
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I need help and fast it was due on Wednesday and if I don't turn it in 30 minutes he will deduct 12 points :,(
Answers
Answer:
4.) because you can only change one factor in an experiment so if you notice something, you'll know what caused it.
5.) an assumption made before any research has been completed for the sake of testing. A theory on the other hand is a principle set to explain phenomena already supported by data
6.) science- the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
Explanation: You can paraphrase on number 6 if you would like to
do not allow the cell to pass onto the next phase of the cell if abnormalities are present
Answers
The cell cycle is a process that describes the cell division into two identical daughter cells. It is made up of four phases: G1, S, G2, and M.
Cells have strict regulatory mechanisms that monitor and regulate the cell cycle to ensure its proper functioning. The G1 checkpoint is the first point in the cell cycle that is regulated. The cell is prevented from entering the S phase of the cell cycle if any anomalies are present. The cell cycle is disrupted if there are any DNA damages or abnormalities, and it can cause the cell to undergo apoptosis, or programmed cell death.
Cells have a mechanism known as a checkpoint mechanism that ensures that the cycle progresses in an orderly manner. The G1 checkpoint occurs during the G1 phase of the cell cycle, and its function is to prevent cells with any genetic abnormalities from entering the S phase of the cell cycle. The S phase is the phase in which DNA replication occurs. This is a critical phase because mutations or genetic abnormalities that occur during replication can be carried forward to the daughter cells.
The G1 checkpoint checks for DNA damage, missing nutrients, and cell size, among other things, before allowing the cell to enter the S phase of the cell cycle. If any abnormalities are detected, the checkpoint will halt the cell cycle to allow time for repair or apoptosis.
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What does repetition allow scientist to gather?
investigations that include dogs are the best pets
multiple different hypothesis to distribute to other scientists
multiple sets of data to check whether their results are repeatable
bias results
Answers
Repetition allows to scientists multiple sets of data to check whether their results are repeatable.
What is repetition in the scientific method?Repetition occurs when multiple sets of measurements are made during one scientific investigation. Replication occurs when a scientific investigation is reproduced by another person. Repetition is multiple trials, when replication is when you redo the entire experiment.
If research results can be replicated, it means they more likely to be correct. Replication is important in science so scientists can check their work.
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a. Please briefly explain the Model of Memory describing how information is recorded in our brain. Make sure you mention three types of Memory units as you describe this process and how information is
Answers
The model of memory describes how information is recorded in our brain. It is composed of three primary memory units which are sensory, short-term, and long-term memory. The sensory memory unit is responsible for capturing sensory information like sights and sounds, which are processed by the brain within seconds.
However, if the information is significant, it will be transferred to the short-term memory unit.The short-term memory unit has a limited capacity and can only store information for a few seconds or minutes. It is responsible for holding information that is actively being processed and used by the brain. If the information is considered important, it will be transferred to the long-term memory unit.The long-term memory unit has an unlimited capacity and can store information for a lifetime. It is responsible for storing all types of information like skills, experiences, knowledge, and facts.
The transfer of information to long-term memory occurs through the process of encoding. The encoding process occurs when the brain assigns meaning and context to the information being stored. This can occur through repetition, rehearsal, elaboration, and association. Overall, the model of memory explains how information is captured by our senses, processed, and stored in the brain for future retrieval.
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what is the significance of cells that are permanently in g0 phase
Answers
The G0 phase is a resting phase where cells temporarily stop dividing and may stay in this phase for an indefinite period of time, or even permanently. The significance of cells that are permanently in the G0 phase varies depending on the type of cell and the organism it belongs to.
For example, nerve cells are known to remain in the G0 phase for extended periods of time, which helps them to maintain their specific functions without being affected by cell division.
In some cases, cells may be forced into the G0 phase due to damage or stress and may remain there permanently. This can lead to a loss of cellular function and even contribute to the development of diseases such as cancer.
However, for some types of cells such as stem cells, the ability to enter and exit the G0 phase is crucial for their regenerative properties. In these cases, the ability to enter and exit the G0 phase allows stem cells to divide and differentiate into various cell types needed for tissue repair and regeneration.
Overall, the significance of cells that are permanently in the G0 phase depends on the context and type of cell, and understanding these factors can provide insight into cellular function and disease development.
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During labor, certain hormones are released that cause the contraction of the uterus in order to push the baby out. When those hormones are sensed by the glands of the endocrine system, they secrete more of that hormone which keeps labor going until the baby is born.
Answers
Answer:
The endocrine system assists in maintaining and regulating different functions of the body by producing and discharging hormones. It comprises glands situated throughout the body, which produce chemicals known as hormones directly into the blood. The levels of hormones in the blood are monitored by a highly unique homeostatic mechanism known as feedback.
The two kinds of feedback are common, that is, negative and positive feedback, of this positive feedback, is the rare mechanism. It augments the changes done rather than opposing them. For example, the discharging of oxytocin from the posterior pituitary gland at the time of labor is an illustration of a positive feedback mechanism.
The stimulation of the muscle contractions, which pushes the baby via the birth canal is done by oxytocin. This discharging of oxytocin leads to an augmented or stronger contraction at the time of labor. This contraction is enhanced and intensify until the baby comes out of the birth canal. However, when the stimulus to the pressure receptor terminates, the generation of oxytocin ceases, which eventually results in the stopping of labor contractions.
Answer:
positive
Explanation:
e2020
endorphins are group of answer choices able to overcome only very mild, tolerable pain. the active agent in placebos. receptors that are stimulated by extreme temperature on the skin. morphine-like substances found in the body.
Answers
Endorphins are morphine like substance found in the body. The correct option to this question is D.
FunctionPeptides called endorphins, which the brain produces, suppress the sense of pain and elevate positive emotions. In the brain's pituitary gland, they are created and kept. Types. Endogenous opioid peptides -endorphin, -endorphin, and -endorphin make up the class of endorphins.While the pace varies from person to person, all forms of exercise, including cardio, moderate activity, and weight training, can cause your brain to release endorphins. When exercising just for the purpose of getting a "happiness rush," you should periodically assess your level of happiness to determine how much exercise is necessary.For more information endorphins kindly visit to
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Complete question: endorphins are group of answer choices
A. able to overcome only very mild
B. tolerable pain. the active agent in placebos
C. receptors that are stimulated by extreme temperature on the skin.
D. morphine-like substances found in the body.
please help me im giving 15 points
Answers
Answer: Polymer
Explanation: It is made of alkenes joining together to form long complex compounds. The process is called polymerization.
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what might an engineer need to consider when designing a heating/cooling system for a home in a cooler climate?
How might the design differ for a house found in a warmer climate?
Answers
An engineer might need to use passive construction when designing a heating and cooling system for a home in cooler climate and hot climates.
The engineers should ensure that he constructs a passive housing system. Windows in the living room must face true south or within 30 degrees of it according to passive design.
Any way of heating or cooling a home that doesn't involve energy input from the occupants or a mechanical device is considered passive heating and cooling.
To use passive heating, all of your doors and windows must be absolutely airtight. You should have double-paned or triple-paned windows since badly built ones will allow the heat from the sun to just flow back out. The ability of the window to retain internal heat and keep out outside air improves with the number of layers of glass.
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Place the characteristics of viral life cycles into the appropriate life cycle category.
Lytic Cycle
Lysogenic Cycle
- Contains a prophage
- Occurs in temperate viruses
- Replicated by cell division
- Has an assembly step
- are all virulent
- replicated by viral assembly
- viral genome active
- Viral genome repressed
Answers
Lytic Cycle: Replicated by cell division, Has an assembly step, Are all virulent, Replicated by viral assembly and Viral genome active.
Lysogenic Cycle: Contains a prophage, Occurs in temperate viruses and Viral genome repressed.
In the lytic cycle, the viral genome becomes active and directs the host cell's machinery to produce new viral components. The newly formed viral components are then assembled, leading to the lysis of the host cell and the release of new viral particles. This cycle is characteristic of virulent viruses, which immediately cause cell lysis.
In contrast, the lysogenic cycle involves the integration of the viral genome into the host cell's genome, forming a prophage. The viral genome remains repressed and is replicated along with the host genome during cell division. Temperate viruses exhibit the lysogenic cycle, where they can remain in a dormant state within the host cell for an extended period before transitioning into the lytic cycle.
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À ________ is a segment of DNA which codesfor a specific trait
Answers
Answer:
The answer for the blank is= Gene
Answer:
A gene is a segment of DNA which codes for a specific trait.
Explanation:
Cellular development, replication, and cell repair are controlled by genetic information stored within DNA molecules. The long-chain, helical macromolecules of these deoxyribonucleic acids, are constructed from complex sequences of covalently bonded monomers called nucleotides.
Genes, can span several nucleotides and even multiple chromosomes. They are encoded through the processes of transcription, translation to become proteins, that determine physical characteristics or phenotypes.
7. One of the functions of lipids is to store energy. Do they store more or less energy than
carbs?
Answers
Dimensional analysis
Explain and justify your
process
1. [30 marks] Grizzly bears are an important species in the Yellowstone ecosystem and have been listed as a threatened species since 1975. Efforts to protect the Grizzly bear have seen an increase in
Answers
Dimensional analysis is a mathematical technique used to analyze and convert physical quantities by considering their units.
Dimensional analysis is a powerful tool used in science and engineering to understand and manipulate physical quantities.
It involves examining the dimensions or units of various quantities involved in a problem and using their relationships to derive new equations or convert between different units.
The process of dimensional analysis starts by identifying the relevant quantities involved in a problem and expressing them in terms of their base units (such as meters, seconds, kilograms, etc.).
Then, the dimensions or units of these quantities are compared and manipulated using algebraic operations such as multiplication, division, and cancellation.
The justification for using dimensional analysis lies in the principle of dimensional homogeneity. According to this principle, any valid equation must have the same dimensions on both sides.
By carefully considering the units, dimensional analysis allows us to check the consistency of equations, identify missing terms, derive conversion factors, or solve for unknown quantities.
Dimensional analysis is particularly useful in verifying equations, checking the correctness of derived formulas, and performing unit conversions.
It helps ensure that the mathematical relationships used to describe physical phenomena are consistent with the underlying physical principles and laws.
Additionally, it provides a systematic approach to solving problems and ensures that the final results have the correct dimensions and units, which is crucial for accurate and meaningful interpretation of scientific data.
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A fish farmer has a large pool used to grow a species of fish. The farmer decides to add a second species of fish to the pool. Both fish species feed on the same type of food, but the fish farmer does not increase the amount of food added to the pool, maintaining the same carrying capacity in the pool.
Which graph shows how the population of the two fish species will change?
Answers
Answer:
D
Explanation:
Explanation: The capacity of fish to the ratio of population change increased and showed a variable degree of measurements.
Describe the famous experiment related to gravity that Galileo may have preformed. Include the results. Also, state whether the results support the law of gravity. Explain your answer.
Please help me please and thank you Id appreciate it very much.
Answers
According to history, Galileo’s experiment on falling bodies largely contributed to Isaac Newton’s Law of Gravity. In Galileo’s experiment, he is said to have dropped balls from the Leaning Tower of Pisa. The balls were made of the same material but had different masses. Galileo set out to prove that the time it took for these objects to reach the ground would be the same. Galileo proved that objects reached the ground at the same time,
Answer:
Galileo threw two balls from a tower's summit. They were both the same size and shape, yet one weighed 50 grams and the other weighed 500 grams. As a result, the two balls collided at precisely the same time. This finding backs up Newton's law of gravitation, which states that things with more mass will be subjected to a larger gravitational force. Because the 500-g ball has higher inertia, it takes more force to accelerate it. That force is provided by the stronger gravitational pull, and the two balls descend at the same rate.
Explanation:
did myself
PLEASE HURRY!!! Radiation has caused a mutation in the DNA of a bird. This change will most likely be passed on to its offspring if the mutation occurs in its
A. Sperm cell
B. Feather cell
C. Skin cell
D. Nerve cell
Answers
Answer: I think its A or D try it which one is correct..
Explanation: Species and the Ability to Reproduce
A species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring.
Members of the same species share both external and internal characteristics, which develop from their DNA. The closer relationship two organisms share, the more DNA they have in common, just like people and their families. People’s DNA is likely to be more like their father or mother’s DNA than their cousin or grandparent’s DNA. Organisms of the same species have the highest level of DNA alignment and therefore share characteristics and behaviors that lead to successful reproduction.
Severe combined immunodeficiency (SCID): Group of answer choices is a result of the absence of macrophages or B cells. affects only part of the adaptive immune response. can be caused by failure of TAP transporters. is caused by the lack of T cell and B cell maturation/differentiation.
Answers
Answer:
is a result of the absence of macrophages or B cells.
Explanation:
Severe combined immunodeficiency (SCID) results due to the absence of macrophages or B cells that is responsible for the immunity of our body. Severe combined immunodeficiency (SCID) is an inherited immunodeficiency disease (PIDD) that presents in infancy results in a weak immune system that is unable to fight against even mild infections so due the absence of macrophages or B cells, the body is vulnerable to diseases.
What is the name that is given to a symbiotic relationship in which both species benefit?
commensalism
mutualism
parasitism
predation
Answers
Answer:
Explanation:mutualism is the answer
In mutualism, both organisms in the symbiotic relationship are benefited.
What is a symbiotic relationship?A symbiotic relationship is a relationship between two or more organisms in which or both organisms are benefited without causing harm to either of the organisms in the relationship.
Types of symbiotic relationship are:
mutualism andcommensalismIn mutualism, both organisms in the symbiotic relationship are benefited.
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Answers
Answer: B
Explanation:
Help please!!!!! Will give the Brainlyest!
Answers
Sure, I can help you with that.
**Blank #1:** traits
**Blank #2:** parents
**Blank #3:** dominant
**Blank #4:** recessive
Here are the completed sentences:
> Height, hair color, and left-handedness are some of the physical **traits** that children can inherit from their **parents**.
>
> Even if both parents express the **dominant** trait of curly hair, it's possible for their daughter to express the **recessive** trait of straight hair.
I hope this helps! Let me know if you have any other questions.
Answer:
BLANK # 1 : traits
BLANK # 2 : parents
BLANK # 3 : dominant
BLANK # 4 : recessive
CORRECT ME IF I'M WRONG ( not sure about 3 & 4 )
Hope this helps :) !!!
which of the following pairs of statements are inconsistent with each other? group of answer choices some sheep are purple; some sheep are not purple. all sheep are purple; no sheep are purple. some sheep are purple; no sheep are purple. all of the above
Answers
The pair of statements that are inconsistent with each other is:
- All sheep are purple; no sheep are purple.
This is because these two statements contradict each other. If all sheep are purple, it cannot be true that no sheep are purple.
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