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.
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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.
In prokaryotes the single DNA chromosome is a covalently closed dsDNA circle. Replication starts at the:
Explain four unique properties create an environment hospitable to life
Other than genetic adaptations to climate, what other factors might influence an individual's relative body proportions?
hich of these characteristics would be part of a fungus? A) cells all contain chloroplasts for photosynthesis B) cells contain a nucleus and cell walls made of chitin C) cells do not contain a nucleus and are all single-celled D) cells do not have a cell wall and may or may not contain a nucleus
Which worm has a body that is made of many ring-like parts?
A.
flatworms
B.
segmented worms
C.
corals
D.
round worms
Answer:
The correct answer would be B. segmented worms.
Segmented worms is a common name used for Annelida.
In Latin, Annelida is used to describe "little rings". The body of the organisms of this group is segmented.
It seems like numerous little rings are fused or joined together.
For example, the body of the earthworm is made up of around 100-150 segments.
What needs to happen to jeff's post-synaptic membrane to remedy his paralysis? physiologically what do we need more of, and where?
To alleviate Jeff's paralysis, pharmacological intervention might involve increasing the presence of calcium-impermeable AMPA receptors or using partial antagonists like memantine to prevent excitotoxicity without triggering counterproductive homeostatic plasticity.
Explanation:To remedy Jeff's paralysis caused by synaptic dysfunction, it's essential to address the excitotoxicity and calcium influx at the post-synaptic membrane. The overactivation of calcium-permeable AMPA receptors can cause an excessive influx of calcium ions which leads to neuronal damage and dysfunction. Thus, increasing the presence of calcium-impermeable AMPA receptors, by involving the enzyme ADAR2 that edits the GluA2 RNA, can reduce excitotoxicity. Alternatively, pharmacological agents like memantine, which act as partial antagonists of NMDA receptors, could help alleviate excitotoxic effects by preventing the excessive calcium influx without triggering homeostatic plasticity mechanisms that can counteract the treatment's effects.
Furthermore, maintenance of glutamate concentrations in synaptic and extracellular spaces is crucial as deregulation can lead to excitotoxicity. Enhancing the efficiency of glutamate reuptake transporters or reducing excitatory neurotransmitter levels could mitigate the harmful overstimulation of post-synaptic glutamate receptors.
Considering the intricate mechanisms involved, multifaceted therapeutic strategies are likely required to manage such conditions effectively, targeting both the glutamatergic synapse vulnerabilities and the neuronal calcium regulation.
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To remedy Jeff's paralysis, his post-synaptic membrane needs more acetylcholine receptors to enhance synaptic transmission, facilitate muscle activation, and promote movement. Increasing the number of these receptors and ensuring efficient neurotransmitter release are key physiological changes required.
To remedy Jeff's paralysis, we need to initiate specific changes at the post-synaptic membrane of his motor neurons. Physiologically, Jeff's post-synaptic membrane requires an increase in acetylcholine receptors (AChRs) at the motor end plate. Here are the steps involved:
When an action potential reaches the motor neuron's axon terminal, it causes an influx of calcium ions (Ca²⁺).The increased Ca²⁺ concentration allows synaptic vesicles containing acetylcholine (ACh) to fuse with the presynaptic membrane and release ACh into the synaptic cleft.ACh then binds to the upregulated AChRs on the motor end plate, generating a depolarization event termed the end plate potential (EPP).The EPP initiates an action potential in the muscle fibre, leading to muscle contraction.By increasing the number of acetylcholine receptors and ensuring efficient neurotransmitter release, we can enhance synaptic transmission at the neuromuscular junction, which is crucial for muscle activation and movement.
If the fiber contains about six nucleosomes per 10 nm of length, what is the approximate compaction ratio achieved?
in what type of conditions would photosynthesis not be possible
Does whater boil at a temperature below 100°c at higher altitudes
Starting with light energy, carbon dioxide, and water, which of the following sequences of biological steps explains how Usain Bolt was able to run the 100 meter dash in record time?
The state of energy balance is determined by subtracting the calories expended from the calories consumed.
a. True
b. False
In your own words what is the application of columbia cna with 5 sheep blood agar
What is the charge associated with each side of the hf molecule?
The dipole moment value of a polar compound can be used to estimate the magnitude of the ionic character of the compound. In the HF molecule if the bond is considered to be 100% ionic, the charge on the H + ion and the F- ion is 1.6 x 10-19 C. and the value of the dipole moment becomes like:
ionic = q x d
= 1.60 x 10-19 C x 91.7 x 10-12
= 1, 467 x 10 -29 C.m
= 4.40 D
Ion character == x 100% = 40.05%
so is the HF dipole moment based on the data above the HF ionic character is 40.05%
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Details
Class: college
Subject: biology
Keywords : HF, ionic, dipole, moment.
What term is used to describe the tenacity of muscovite?
The term used to describe the tenacity of muscovite is elastic. The tenacity of muscovite is described as elastic because it can bend and return to its original shape.
Tenacity refers to the mineral's resistance to breaking, bending, or deforming. In the case of muscovite, it can bend and then return to its original shape without breaking, which is highlighted by its elasticity.Muscovite is a type of mica that has one plane of cleavage, causing it to break into thin, flexible sheets. Muscovite, often used in glitter, breaks into thin, flexible sheets due to its one plane of cleavage.These sheets can be both soft and sparkly, which has practical uses, such as in glitter production. Additionally, this mineral's elasticity makes it useful in various industrial applications where flexibility is needed.The ______ was the last major brain region to evolve, and was the largest part of the human brain.
The neocortex is the last major brain region to evolve, representing the largest part of the human brain and facilitating complex cognitive functions.
The neocortex was the last major brain region to evolve, and it is the largest part of the human brain. This evolutionary development is part of the forebrain, which includes the cerebral cortex, the thalamus, and the limbic system. The neocortex enables higher order cognition, complex behavior, language, and spatial reasoning. It has become the most prominent feature of the human brain, making up 76% of its structure, which is a testament to its evolutionary significance in human development.
Describe how energy flows into, through, and out of the owl's food web.
Energy flows into, through, and out of the owl's food web as organisms transfer and use energy. The primary source of energy is photosynthetic vegetation consumed by herbivores, which is then passed on to the owl and other organisms in the food web.
Explanation:Energy flows into, through, and out of the owl's food web in a series of transfers between different organisms. The primary source of energy in the owl's food web is the photosynthetic vegetation that the herbivorous prey consumes. When the owl preys on the herbivores, it acquires a portion of the energy stored in the prey's body. This energy then flows through the owl's food web as it consumes other organisms, and is eventually lost as heat or used by other organisms in the ecosystem.
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Margaret is a marathon runner, and she knows that with her daily training schedule she needs to eat more protein than an average woman her age. being a lifelong runner, she is also cognizant about keeping her weight in check to avoid excessive strain on her knees and feet. since she also knows that excess proteins won't increase her performance, but will be metabolized into fat and stored in her body, she wants to eat just the right amount of protein. margaret's current weight is 115 lb. her schedule is very intense. she works as a physical therapist, runs at least 9 to 12 miles every day, and does moderate weight training for a half hour every day as well. she runs competition marathons once every 2 months. she is not a strength athlete. margaret loves lean meat like fish and chicken, and eats it at least five times per week. how many grams of protein should margaret consume on a daily basis?
Margaret should consume between 62.72 and 104.54 grams of protein on a daily basis to meet her protein needs as a marathon runner and weight trainer.
Explanation:To determine how many grams of protein Margaret should consume on a daily basis, we need to consider her weight, activity level, and daily calorie intake. As a marathon runner and someone who engages in regular weight training, Margaret requires a higher protein intake than the average person. A general recommendation for individuals engaging in intense exercise is to consume around 1.2-2.0 grams of protein per kilogram of body weight.
First, we need to convert Margaret's weight from pounds to kilograms. Since 1 kilogram is approximately 2.2 pounds, we divide her weight by 2.2:
115 lb / 2.2 = 52.27 kg
Next, we multiply her weight in kilograms by the recommended protein intake range:
52.27 kg x 1.2-2.0 grams/kg = 62.72 - 104.54 grams of protein
Therefore, Margaret should consume between 62.72 and 104.54 grams of protein on a daily basis to meet her protein needs as a marathon runner and weight trainer.
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Organisms exist which are able to survive using only glycolysis (i.e. without using oxidative phosphorylation).
a. True
b. False
Another synthetic polymer used for sutures which are absorbable in the body is polyglycolide. if nylon is called a polyamide, by analogy what would one call polyglycolide
Final answer:
Polyglycolide would be called a polyester because its monomers are linked by ester bonds, which is analogous to how nylon is called a polyamide.
Explanation:
If nylon is referred to as a polyamide due to its monomers being linked by amide bonds, then by analogy, one would call polyglycolide a polyester. This is because its monomers are linked by ester bonds. Polyester is another category of synthetic polymer, like those used in Dacron and Mylar, and it is known for its use in clothing, tapes, and high-tech sails for sailboats.
Similar to polyamides, polyesters are formed by a condensation reaction where small molecules such as water are lost during the polymerization process.
Which process occurs last in the Calvin cycle?
A. Splitting of water
B. Carbon Fixation
C. Formation of an "exited" electron
D. Formation of NADPH
Which of the following can occur during an earthquake? Select all that apply. ()Crust can fold or wrinkle
()Part of the crust may sink under the ocean
()Sections of the crust are demolished into clouds of dust
()Cliffs and cracks form
Answer:
Option (4)
Explanation:
Earthquake refers to the occurrence of sudden vibrations of the earth's crust, which is mainly caused by the propagation of seismic waves beneath the earth's surface. These are common along the plate tectonic boundaries.
Earthquake can result in the formation of cracks and fractures in the building wall, and also causes cliffs due to the breaking down of rocks in the mountainous areas.
When two plates collide, it results in the formation of a subduction zone and also when plate diverges and/or shares a transform boundary, it results in the occurrence of earthquakes. When rocks are folded and faulted, then it releases some energy which occurs in the form of an earthquake. Thus, earthquakes are the consequences of these plate motions.
Hence, the correct answer is option (4).
Suppose that when you examined your tubes (in this exercise) after incubating them, you noticed that the unsealed control contained slight yellowing at the top. suppose further that pair #1 showed complete yellowing of both tubes and pairs #2 and #3 showed slight yellowing of the unsealed tube.
The blue end of the visible color spectrum has wavelengths, and the red end has wavelengths.
Answer:
The blue end of the visible color spectrum has wavelengths of 380 nanomenters, and the red end has wavelengths of 740 nanomenters.
Explanation:
The visible color spectrum is the range of colors (electromagnetic waves) that the most human eye can see. The human eye perceives colors with wavelengths of 380-700 nanometers. The color with the shortest wavelength is violet (380 nm) while the color with the longest is red (740 nm). Electromagnetic wavelengths outside the visible color spectrum are infrared, ultraviolet, X-rays, microwaves, and radio waves.
Diffusion length, λ , is a popular term in characterizing the production of semiconductors by the controlled diffusion of impurities into a high-purity material. the value of λ is taken as 2dt−−−√ , where λ represents the extent of diffusion for an impurity with a diffusion coefficient, d, over a period of time, t. calculate the diffusion length for b in ge for a total diffusion time of 30 minutes at a temperature of 700 ∘c.
The diffusion length for an impurity in semiconductor manufacturing can be calculated using
=
(2dt). To find the diffusion length of boron in germanium, convert the given time to seconds and use the known diffusion coefficient for B in Ge at the specified temperature.
The question is related to the concept of diffusion length which is a critical parameter in the field of semiconductor manufacturing. The diffusion length,
(
), can be computed using the square root of the product of the diffusion coefficient (d) and time (t) multiplied by 2. Given the diffusion coefficient of boron (B) in germanium (Ge) and a diffusion time of 30 minutes at a temperature of 700
C, we can calculate the diffusion length using the formula
=
(2dt).
Calculating Diffusion Length
First, we must convert the time from minutes to seconds to use the correct units in the formula. There are 60 seconds in a minute, so 30 minutes is equal to 1800 seconds. Next, we need the diffusion coefficient of B in Ge at 700
C, which might be provided in a table or from experimental data. Assuming we have this value (let's say d), the diffusion length
would then be computed as follows:
Without the specific value of the diffusion coefficient d at 700
C, we cannot perform the exact calculation here.
explain why the daughter cells resulting from mitosis are genetically identical to each other and to the original cell
Daughter cells that are genetically identical to their parent cells are created during mitosis. The cell divides its copied chromosomes equally to ensure that each daughter cell has a full set before copying, or “replicating,” its chromosomes.
What are the important steps in mitosis?There are five of these phases: prophase, pro metaphase, metaphase, anaphase, and telophase. As the final physical cell division after telophase, cytokinesis is frequently regarded as the sixth stage of mitosis.
There is an essential checkpoint in the midst of mitosis, called the metaphase checkpoint, during which the cell checks that it is ready to divide.
Therefore, daughter cells resulting from mitosis are genetically identical to each other and to the original cell.
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please help asap!!!
1. Which of the following statements regarding science and technology is true? *
a) Scientific experiments are always aimed at meeting a human need.
b) Scientific inquiry is concerned with cost-effectiveness.
c) Science aims to answer questions whereas technology aims to solve problems.
c) Technology explains and predicts the physical, living and designed world.
2. Kolby wants to grow the tallest sunflowers. She would like to compare two plant foods on her sunflowers to see if either one will make her sunflowers grow taller. Kolby designs an experiment. She has three of the same type of sunflower plant. They all get the same amount of sun and water, and they are kept at the same temperature in the same type of soil. Kolby adds plant food A to plant A, plant food B to plant B, and no plant food to plant C. She measures the growth of the plants every week. *
Height measurements taken weekly during her experiment would be an example of
a) inferences.
b) qualitative data.
c) quantitative data.
d) background information.
3. To maintain equilibrium, cells must be in a(n) _________ solution. *
hypertonic
hypotonic
isotonic
pure water
4. The main difference between active and passive transport is
active transport requires ATP to move substances across the nuclear membrane.
passive transport requires ATP to move substances across the nuclear membrane.
active transport requires ATP to move substances across the cell membrane.
passive transport requires ATP to move substances across the cell membrane.
The barnacle lives on the loggerhead turtle's body. It does not harm the turtle in any way. The barnacle benefits from the water movement the turtle creates as it swims. The water ripples help the barnacle get remnants of food coming out of the turtle's mouth. What is this type of a relationship called?
X-1 develops new products specifically for the unique needs of athletes in the endurance, outdoors, and health club categories. from a marketing perspective, endurance, outdoor, and health club athletes represent x-1's ________.
If you wanted to measure the length of a fence what would you use? A. Cubic meter B. Millimeters C. Meter D. Kilogram
Suppose you isolate mitochondria from cells and maintain them in a buffer solution that mimics the cytoplasm. if you are maintaining them in a tube or chamber that you have deprived of o2, they'll stop making atp. what could you do to the composition of the buffer solution in order to get the mitochondria to resume production of atp?