The movement of a magnetic pole away from the actual pole
Describe the volcanic-atmosphere hypothesis about the origin of life on Earth and discuss the evidence that supports this hypothesis.
Polar _____ are typically found attached to the outside of a membrane
Insufficient intake of folic acid during pregnancy increases the risk of having a baby with
What role would mitosis play in the body of an adult animal?
Mitosis plays a crucial role in adult animals by assisting in growth, repair and maintenance. This process generates cells that are genetically identical for replacing dead or damaged cells. Some organisms also use mitotic cell division for asexual reproduction, while meiosis produces cells for sexual reproduction.
Explanation:In an adult animal, mitosis plays a critical role in growth, repair and maintenance. This process leads to the production of cells that are genetically identical, allowing for growth or repair of tissues by replacing dead or damaged cells. Mitosis involves four separate stages: prophase, metaphase, anaphase, and telophase, followed by cytokinesis, which constitutes a division of the cytoplasm and generates two daughter cells. These daughter cells then serve different functions in different parts of the body.
The cells produced in mitosis become functional cells located in various parts of the body, contributing to the body’s overall growth or replacing dead or damaged cells. While meiosis is responsible for generating reproductive cells or gametes, mitosis concerns somatic cells, which make up the majority of the body’s tissue.
However, it’s interesting to note that some organisms use miotic cell division for asexual reproduction. Still, in a diploid-dominant organism, such as an animal, cells produced by meiosis will only participate in sexual reproduction.
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Joceyln has wavy hair. "she has received one allele for curly hair and" one allele for straight hair. there is a blending of both of these traits resulting in her wavy hair. this is an example of
José has just played a long, bruising football game but feels little fatigue or discomfort. His lack of pain is most likely caused by the release of
Final answer:
José likely feels little fatigue or discomfort after a football game due to the release of endorphins, which are natural pain-relieving chemicals that induce a euphoric feeling and inhibit pain signals.
Explanation:
José's lack of pain despite the physical exertion of a football game can likely be attributed to his body's natural pain-relieving chemicals known as endorphins. Endorphins are neurotransmitters that are produced by the central nervous system and the pituitary gland. They are often released during periods of stress or discomfort, such as intense physical exercise, and act similarly to opiates in their ability to produce a pain-relieving and euphoric effect.
This is part of the body's natural response to help cope with the strain of exertion, and also contributes to a phenomenon known as 'runner's high', where athletes feel exhilarated and less aware of pain following intense physical activity. The body producing endorphins during José's football game helps to inhibit the transmission of pain signals in his nervous system and triggers a positive feeling in his body.
what is the control in the experiment shown in figure 19-4?
i believe that it's distilled water!
where does the energy come from to make atp in the light reaction
Answer:
from the motion of hydrogen ions
Explanation:
apex
The human brain appears extremely wrinkled when closely examined. these wrinkles are purely cosmetic and have no actual purpose. are byproducts of old age; normal adults' brains are smooth. act as a shock-absorption device, preventing neural damage. disappear as a person progresses into late adulthood. allow a greater surface area of cortex to be included in the skull.
Biomes dominated by grasses and other herbaceous plants are known as _________.
If available the body will always digest which macromolecule for energy first?
Answer: Carbohydrates
Explanation:
If many sources of energy is present then the body will first utilize carbohydrates then once all the carbohydrates of the body is utilized then the body will move to another sources such as fats and proteins.
The reason being that the oxidation of carbohydrates requires less energy as compared to fat and proteins.
The primary source of energy inside the body is carbohydrates so this will be used by the body firstly.
"what is the function of the carapace? what two body systems in rats perform equivalent functions?"
The carapace in crustaceans functions to protect internal organs and provide structure, similar to the skeletal and integumentary systems in rats, which include bones and skin respectively.
The function of the carapace is to protect the internal organs of crustaceans and provide structure to their bodies. This chitinous exoskeleton is also strengthened with calcium carbonate in many species. In rats, equivalent functions are performed by the skeletal system and the integumentary system (skin). The skeletal system provides protection to internal organs with bony structures, such as the skull protecting the brain and ribs protecting the heart and lungs, while the skin acts as a barrier to external environment, protecting against physical harm and infection.
In systolic heart failure, what effect does the renin-angiotensin-aldosterone system (raas) have on stroke volume?
Chloroplasts of a green leaf produce sugar for what
What is a specialized form of diffusion
A meteorologist predicts fog in the morning over lakes and river bottoms because of the atmospheric conditions and their interactions with the _____.
Answer:
The given blank can be filled with hydrosphere.
Explanation:
A meteorologist determines fog in the morning over the lakes and bottoms of the river with the help of the atmospheric conditions and their associations with the hydrosphere. The region of the surface of the Earth where the entire water on the planet is found is considered as the hydrosphere. The hydrosphere can be in the form of vapor, liquid, or ice.
What are the functional differences between the commands ping and tracert?
Deforestation is another example of human activities that affects the carbon dioxide explain how the cutting and burning of trees would affect this cycle
Reducing the plant biomass in earth seriously affects the living condition here. Plants helps to reduce the amount of carbon dioxide in the atmosphere. Therefore deforestation greatly leads to an increased level of carbon dioxide.
What is deforestation?Deforestation is the destruction of forests by cutting plants and burning them making there unfair to live there. It greatly impacts the ecosystem badly.
During photosynthesis, plants absorbs carbon dioxide and combine it with water forming glucose and oxygen gas. This process is taking place with the aid of light energy.
Thus, photosynthesis reduces the level of carbon dioxide in atmosphere and significantly have a role to decline global warming. Cutting trees results in exactly the reverse condition where the green house gases will intensely warm up the earth's atmosphere.
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Deforestation and burning of forests lead to the release of stored carbon dioxide, which trees would normally absorb. This disrupts the carbon cycle, enhances the greenhouse effect, and contributes to global warming.
When trees are cut down and burned in activities such as deforestation and slash-and-burn agriculture, they release their stored carbon dioxide into the atmosphere. Typically, trees absorb CO2 from the atmosphere and convert it into biomass through the process of photosynthesis, effectively reducing the greenhouse gas levels in the air.
However, through deforestation and burning, this carbon is rapidly released, increasing atmospheric CO2 and contributing to global warming. Human activities have significantly disrupted the natural balance of the carbon cycle, leading to an increase in greenhouse gas concentrations, of which carbon dioxide is a primary component. This enhancement of the greenhouse effect is believed to be a leading cause of the current trend of climate change, which includes global temperature rises and shifts in weather patterns.
Explain the importance of the change in minute ventilation with exercise.
Early life corresponds to the first bacterial colonization of the digestive track, creating a microbiome that appears to play an important role in human development. what might be the effect of early exposure to antibiotics on children's development? one study followed 11,532 full-term babies all born in the county of avon (united kingdom) during 1991 and 1992. exposures to antibiotics during infancy were recorded, along with recurring measures of body mass over several years. the study found that antibiotic exposure during the first six months of life was associated with increased body mass later on, a pattern not seen with antibiotic exposure occurring after the first six months.the explanatory variable in this study is:
SUBJECT: SCIENCE
A rock displaces 1,500 mL of water. The volume of the rock is:
A. 1,500 cm³
B. 15 cm³
C. 150 cm³
D. 0.0015 cm³
It's A..........................Have a good day
Computer software that generates three-dimensional models helps engineers make sure that the parts they design fit together.
Which definition best fits the word generates as used in the sentence?
To be a reason for
To cause something
To produce
To have a purpose
What are some possible consequences of preventing prescribed burns and natural wildfires?
Final answer:
Preventing prescribed burns and natural wildfires can lead to the loss of carbon from the atmosphere and biodiversity. It can also result in an increase in flammable grass biomass and high levels of fire activity.
Explanation:
The consequences of preventing prescribed burns and natural wildfires can have significant impacts on ecosystems. One consequence is the loss of carbon from the atmosphere due to the combustion of live and dead biomass. For example, the invasion of cheatgrass in the Great Basin of the United States has resulted in a loss of carbon to the atmosphere. Another consequence is the loss of biodiversity, as intense fires easily kill a large proportion of tree species and can lead to the replacement of primary forest tree species with pioneer species. Additionally, the cessation of fire management by indigenous people has resulted in an increase in flammable grass biomass and high levels of fire activity.
Reproductive isolation is not an accurate term to describe populations of a species that
A) reproduces asexually.
B) is photosynthetic.
C) is able to move about freely in its environment.
D) lives in the same region as other closely related species.
Final answer:
Reproductive isolation refers to the inability of different species to mate successfully, a concept relying on sexual reproduction. Thus, species that reproduce asexually are not accurately described by reproductive isolation terms since they do not engage in sexual reproduction.
Explanation:
The question asks which condition is not an accurate term to describe populations of a species that are reproductively isolated from other groups. The correct answer is A) reproduces asexually. Reproductive isolation involves the inability of members of a species to mate successfully with members outside their species, which is foundational to the biological species definition. This concept crucially relies on the exchange of genetic information through sexual reproduction. Therefore, species that reproduce asexually do not fit this definition of reproductive isolation since they do not engage in sexual reproduction to begin with. Conditions related to photosynthesis, mobility, or geographic proximity to related species do not directly impact the fundamental process of reproductive isolation.
Refer to model 1. identify at least two organic functional groups in a phospholipid molecule answer
"when does one’s body start storing fat either by increasing the number of fat cells or by increasing the size of existing fat cells?"
The body starts storing fat by increasing the size of the existing fat cells as well as by increase in the number.
Further Explanation:
The adipocytes are the cells that store energy in the body in form of fats. The adipocytes are formed out of the mesenchymal stem cells by the process of adipogenesis. In addition to the mesenchymal stem cells, the adipocytes can also be formed form the bone cells. The adipose tissue has two major varieties; the white adipose tissue and the brown adipose tissue. The white adipose tissue has one large central droplet of fat enclosed in the cytoplasm while the brown adipocytes have several tiny droplets or fat floating in the cytoplasm of the cell.
The amino acids, glucose and fatty acids that are present in the food when goes to the intestine, stimulates the production of insulin from the pancreas. The insulin acts on the hepatocytes, myocytes and the adipocytes to stimulate the absorption of glucose, fatty acids and amino acids. It also stops the breakdown of glucose, amino acids and fatty acids. The building up of glycogen from glucose, fats from glycerol and proteins from amino acids occurs. The take up of amino acids and glucose by the fat cells followed by conversion into fatty molecules is also possible. The conversion of carbohydrates proteins into fat is less efficient then storing fat in a fat cell. The fat cells increase in size due to an increase in the fat intake of the body. The adipocytes can also divide in number when the concentration of fats in the blood stream in raised drastically.
Thus, the body starts storing fat by increasing the size of the existing fat cells as well as by increasing the number.
Learn more:
1. Learn more about fats https://brainly.com/question/1386856
2. Learn more about carbohydrates https://brainly.com/question/6947177
3. Learn more about proteins https://brainly.com/question/1420458
Answer Details:
Grade: High School
Subject: Biology
Chapter: Biomolecules
Keywords:
Fats, adipocytes, fat cells, carbohydrate, proteins, amino acids, blood stream, insulin, pancreas, fatty acids, hepatocytes, myocytes, glycerol, glycogen, white adipose tissue, brown adipose tissue.
Final answer:
The body starts storing fat when energy intake exceeds energy output, either by increasing the number of fat cells or the size of existing ones. White fat cells store fat in a semi-liquid state and can increase in size or number. Healthy lifestyle choices are crucial to manage body fat and prevent associated health risks.
Explanation:
Understanding Body Fat Storage
An individual's body begins to store fat when the energy intake exceeds the energy expenditure. This can occur either through increasing the number of fat cells (adipocytes) or by increasing the size of existing fat cells. Unlike other cells in the body that can only store limited amounts of fat, fat cells specialize in fat storage and can expand significantly. This expansion comes from an excess of energy being converted into triglycerides, which are then stored in fat cells.
White fat cells, or monovacuolar cells, are capable of storing fat in a semi-liquid state primarily made up of triglycerides and cholesteryl ester. These cells contain a large lipid droplet and can vary in size. Once they expand about fourfold, they can divide to increase the total number of fat cells present. Furthermore, adipocytes secrete various hormones like leptin and adiponectin that influence energy balance and metabolism.
Over time, lifestyles that involve regular consumption of high-calorie food and insufficient exercise can lead to an unwanted increase in adipose tissue, which is linked to a host of health issues like type 2 diabetes and heart disease. It's important to manage energy balance through diet and exercise to prevent the chronic accumulation of adipose tissue and its associated health risks.
Agriculture and medicine are affected by science? True or False???
What memorable line does taylor first utter in the presence of the apes?
Some mutations always occur from generation to generation. But most mutations do not persist over time in the gene pool. Which mutation is MOST likely to become established and persist in a species?
A) a mutation that changes the color of a fruit fly’s eyes
B) a mutation that makes it harder for a frog to catch food
C) a mutation that helps a rabbit conceal itself from predators
Eliminate
D) a mutation that causes a leopard attack humans more frequently
C. A mutation that helps a rabbit conceal itself from predators