The primary lipid found in foods and the body; it is made up of three fatty acids linked to the glycerol backbone. The three-carbon structure of triglycerides.
What do we mean by lipids?Lipids are compounds that are fatty, waxy, or oily. They dissolve in organic solvents but not in polar solvents such as water. Lipids are made up of: Fats and oils (triglycerides) Phospholipids. Waxes. These organic compounds are nonpolar molecules that can only dissolve in nonpolar solvents because water is a polar molecule. These molecules, which are found in foods such as oil, butter, whole milk, cheese, fried foods, and some red meats, can be produced in the human body by the liver.
Lipids are a class of organic substances that include fats and oils. These molecules generate a lot of energy and control a variety of bodily processes.
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Which statement about nerve cells and skin cells is true?
Responses
They contain different numbers of chromosomes.
They contain the same DNA with different genes expressed.
They contain the same active and expressed genes.
They contain different genes on their DNA
Skin cells and nerve cells contain the same DNA with different genes expressed. Therefore, option B is correct.
What is gene expression?A finely controlled process called gene expression enables a cell to react to its changing surroundings. It serves as both a volume control that raises or lowers the level of proteins produced as well as an on/off switch to regulate when proteins are created. It is primarily controlled at a transcription level.
The varying expression of genes in human cells is an illustration of gene expression. Although all human cells have the same DNA and the same number of chromosomes, their architectures and functions are highly varied.
Skin cells and nerve cells contain the same DNA with different genes expressed. Therefore, option B is correct.
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What do we call a substance formed by many molecules that are joined together in a long, chain-like structure that combines with monomer liquid to
create an acrylic product
A. pigmented gel
B. dehydrating gel
C. polymer powder
D. catalyst
PLEASEEE HELP MY LAST QUESTION Which of the following is another name
for the Golgi?
A. Golgi Apparatus
B. Golgi Mechanism
C. Golgi Puzzle
What is the structure of plasma membrane cytoskeleton?
Plasma membrane cytoskeleton is composed of a Lipid Bilayer with Proteins embedded in it.
The Plasma membrane of a cell is made out of a Lipid Bilayer with Proteins implanted in it. The hydrophobic locale of the lipid bilayer center avoids water, while the Hydrophilic districts both inside and beyond the cell permit water to be brought into the design as a natural side effect.The plasma membrane encompasses all cells and actually isolates the cytoplasm, which is the material that makes up the cell, from the extracellular liquid external the cell. This safeguards every one of the parts of the cell from the external climate and permits separate exercises to happen inside and outside the cell.
The plasma membrane offers primary help to the cell. It ties the cytoskeleton, which is an organization of protein fibers inside the cell that hold every one of the pieces of the cell set up. This gives the cell its shape. Certain life forms, for example, plants and growths have a cell wall not withstanding the film.
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if 1 inch=2.54 centimeters, how many inches are in 4.5meters?
Answer:
4.5 meters = 450 centimeters
450/2.54 = 177. 2 inches
where does glycolysis occur? where does glycolysis occur? in the cytosol in the intermembrane space of the mitochondria in the mitochondirial matrix in the extracellular fluid
Glycolysis takes place in the cytoplasm.
Process of Glycolysis takes place in the cytoplasm here one molecule of glucose having 6 carbon oxidized to generate two 3 carbon molecules of pyruvate. Ans the destiny of pyruvate depends upon the existence and absence of mitochondria and oxygen inside that particular cells.
Hence , There are two common reasons why glycolysis occurs in the cytoplasm of the cell firstly the The enzymes needed for the glycolytic pathway are only present in the cytoplasm. Ans also a transport protein is required for moving glucose across cell membranes.
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which of these cell types would you expect to find in muscle tissue?
Answer:
cardiac, skeletal, and smooth
Explanation:
what group of eukaryotes includes many different unrelated species that are united solely because they are not fungi, plants, or animals?
The group of eukaryotes that includes many different unrelated species that are united solely because they are not fungi, plants, or animals is referred to as Protists.
Unclassified as fungi, plants, or animals, protists are a varied group of single-celled or multicellular eukaryotes. They can have a variety of morphologies and lifestyles, including as photosynthetic, heterotrophic, or mixotrophic ones. Protists are essential components of many ecosystems, acting as primary producers, decomposers, and nourishment for other living things.
Protist can also be autotrophic or heterotrophic, being single celled eukaryotes they are link between unicellular prokaryotes and multicellular eukaryotes.
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Why is building muscles often associated with a need for amino acids?
Skeletal muscle cells act as a storage location for amino acids. The more amino acids they store, the bigger the muscles become.
There are 4 calories/gram of amino acids and amino acids are the only type of fuel muscle cells can use.
Skeletal muscles are full of long protein fibers (actin and myosin).To build more muscle, the cells will need more amino acids to build these two proteins.
Skeletal muscle cells use the amino acids to make glycogen stores, which increase the size of the skeletal muscle cell.
Which one is correct^ please help!!
Answer:
Skeletal muscles are full of long protein fibers (actin and myosin).To build more muscle, the cells will need more amino acids to build these two proteins.
Explanation:
The correct option is "To build more muscle, the cells will need more amino acids to build these two proteins (actin and myosin)." Amino acids are the building blocks of proteins, and muscle growth is primarily driven by an increase in muscle protein synthesis. Consuming sufficient amounts of dietary protein, which is broken down into amino acids in the body, is important for providing the raw materials needed for muscle growth and repair. However, the other options provided in the question are not accurate. While amino acids can be used for energy, they are not the only type of fuel that muscle cells can use, and skeletal muscles do not use amino acids to make glycogen stores (glycogen is a form of stored glucose, not amino acids).
What is the processing of pre-mRNA?
Processing of pre-mRNA involves the steps that helps to mature messenger RNA (mRNA) so that it gets translated into a protein.
In side the nucleus, the pre-mRNA are made up from the process of transcription in the portion of DNA with linear chromosome. These transcript then goes through the process of processing that involves splicing and addition of 5' cap and poly-A tail, Also they remains inside nucleus in order to become a mature mRNA.
Hence, initial product derived from the transcription of a protein coding gene is called the pre-mRNA. After the processing it gets ready to be exported outside the nucleus, then termed as mature mRNA or processed mRNA.
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what cell organelle is the flexible material that holds the parts of the cell together?.
The cell organelle that is a flexible material that holds the parts of the cell together is called cytoskeleton.
A cell is the basic unit of life and the smallest structure that can perform all the processes that define life.
Cell organelles are specialized structures within a cell that perform specific functions. They are found within the cytoplasm and are surrounded by a lipid bilayer membrane.
Some of the most important cell organelles include the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, peroxisomes, and the cytoskeleton.
Each organelle has a specific function, such as DNA storage and regulation (nucleus), energy production (mitochondria), protein synthesis and processing (endoplasmic reticulum and Golgi apparatus), waste disposal (lysosomes), and maintenance of cell shape and organization (cytoskeleton).
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which molecule and its description are incorrectly matched? group of answer choices makes up connective tissue - collagen stores energy for slow-twitch muscle cells found in red (dark) meat - fats stores oxygen in muscle cell - myosin protein that helps power muscle contraction - actin
Option 1 is Correct. The description of the molecule and how it stores energy for slow-twitch muscles in connective tissue is wrong.
Because slow twitch muscles have a large concentration of mitochondria, they are aerobic muscles, which means they utilise oxygen to produce energy in the form of ATP. As long as you have enough oxygen, they can keep you going.
Your muscles are mostly composed of a combination of slow- and fast-twitch muscle fibers. However, the soleus muscle in your lower leg and the muscles in your back that are responsible for maintaining your posture primarily consist of slow-twitch muscle fibers. Additionally, quick twitch muscle fibers make up the muscles that move your eyes. Muscles are fueled by oxygen in the mitochondria, which are found in slow-twitch muscle fibers.
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Correct Question:
which molecule and its description are incorrectly matched? group of answer choices
1. makes up connective tissue collagen stores energy for slow-twitch
2. muscle cells found in red (dark) meat
3. fats stores oxygen in muscle cell -
4. myosin protein that helps power muscle contraction - actin
some plants have leaves that are poisonous to some animals. which kind of adaptation is this?(1 point)
Some plants develop leaves that are harmful to some animals as a defense mechanism for adaption. Herbs, flowers, shrubs, and fruits that are toxic enough to injure dogs, cats, and other animals as well as people fall under the category of poisonous plants.
what is defense mechanism ?Biological defense mechanism, a type of adaptation that enhances an organism's ability to survive by defending it from natural enemies including infections and predators (anti-predator adaptation) (Immune system)
what is adaptation?In biology, there are three related definitions of adaptation. First, natural selection, a dynamic evolutionary process, adapts organisms to their environments, improving their evolutionary fitness. Second, it is a state that the populace attained as a result of that process.
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which of these is not a function of the skeletal system?
Answer:
The production of body heat is not a function of the skeletal system.
Explanation:
Hopefully this is the answer you are looking for.
The thick-walled inferior chambers of the heart that pump blood into the arteries are called ___A) vesselsB) ventriclesC) atriaD) auricles
Option - B : ventricles.The thick-walled inferior chambers of the heart that pump blood into the arteries are called ventricles.
The human heart has two ventricles: the right ventricle and the left ventricle. Deoxygenated blood is pumped by the right ventricle to the lungs, where it is given oxygen and given off carbon dioxide. Blood with oxygen is circulated throughout the body through the left ventricle.
The interventricular septum, a muscular wall, divides the ventricles from the heart's two upper chambers, the atria. Blood is pumped into the ventricles by the atria, which also aid in controlling blood flow through the heart. The atria have tiny, ear-like projections called auricles. They assist in controlling the flow of blood through the heart and have a slight impact on blood circulation.
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which of these would you add to a membrane to make it easier for membrane proteins to move about?
One possible molecule that can be added to a membrane to make it easier for membrane proteins to move about is cholesterol. Cholesterol helps to maintain the fluidity of the membrane by preventing the fatty acid tails of the phospholipids from packing too tightly together. This allows membrane proteins to move laterally within the membrane, facilitating their interactions with other molecules and their proper functioning. Other molecules, such as glycolipids and glycoproteins, can also affect the fluidity and movement of membrane proteins, but cholesterol is a major contributor to these properties.
what is the role of wildlife in the cultures and economies of alaska natives?
Wildlife plays a significant role in the cultures and economies of Alaska Natives.
For many Alaska Native communities, hunting and fishing are deeply ingrained cultural practices that provide sustenance and a connection to the land. Wildlife is also an important source of food security, providing a significant portion of the protein in the diets of many Alaska Native communities.
In addition to being a source of food, wildlife is also an important source of income for Alaska Natives. For example, the subsistence hunting and fishing industries provide a significant source of revenue for many Alaska Native communities, as do commercial fishing and hunting operations.
In terms of culture, wildlife is also seen as a spiritual and cultural resource for many Alaska Natives. For example, traditional stories and beliefs often feature wildlife and the relationships between humans and wildlife. Hunting and fishing also provide opportunities for community bonding and the passing down of traditional knowledge from one generation to the next.
Overall, wildlife is a central and integral part of the lives and cultures of Alaska Natives, providing sustenance, income, cultural identity, and a connection to the land.
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wesley is 13 years old and hopes to develop his muscles to the point that he can be a top-notch football player. the hormone production that will help facilitate his goal is most closely associated with
NREM-3 sleep is most closely linked to the hormone production that will assist Wesley achieve his objective of gaining the muscular development necessary to make him a standout high school football player.
Sleep occurs in four stages: NREM stage 1, stage 2, stage 3, and REM sleep stage 4. The brain, heartbeat, eye movement, and respiration all slow down in stage 1. The body unwinds.
Stage 2 sees a decrease in body temperature and an increase in regularity in breathing and heart rate. Eye movement stops, but the brain begins to get ready for REM sleep and NREM stage 3 sleep. In stage 3, the muscles are totally relaxed and the blood pressure falls. During this phase, the body begins to restore itself physically.
The body is momentarily immobile while the brain conjures dreams during REM sleep. The body cell is healed and rebuilt while a person is in deep sleep, also known as stage 3 and REM sleep. During this stage, hormones are also released to encourage the growth of bone and muscle.
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The transfer of genetic material from one bacterium to another through the mediation of a vector like virus is termed as:
A Transduction
B Conjugation
C Transformation
D Translation
Transduction is the word used to describe the transmission of genetic material from one bacterium to another with the aid of a virus-like vector.
Conjugation is a sort of gene transfer, right?Through cell-to-cell contact with conjugative pili, a receiver bacterium acquires DNA from a donor bacterium in the process of conjugation. Certain plasmids or transposons mediate conjugation.
What varieties of vector gene transfer are there?Vectors are simply vehicles made to transport beneficial genetic material, such a functional gene, into a cell. Adeno-associated virus, adenoviral, lentiviral, and retroviral are the four primary categories of viral vectors; each has special traits, applications, and restrictions.
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What do chemoreceptors in the carotid artery and aorta detect?
Answer: Peripheral chemoreceptors (carotid and aortic bodies) detect changes in arterial blood oxygen and initiate reflexes that are important for maintaining homeostasis during hypoxemia.
Explanation:
7. The Columbia Icefield is located between Banff and Jasper in Alberta. It covers an area of more than 300 km2 and has ice that is up to 365 m thick in some places. How can studying this icefield give scientists information on climate patterns?
Scientists can ascertain the previous makeup and behaviour of the atmosphere by drilling into an ice sheet or glacier and recovering old ice.
What are climate patterns?Any recurrent aspect of the climate is referred to as a climate pattern. The glacial and interglacial eras within the ice ages are examples of climate patterns that can continue for tens of thousands of years, while monsoons are an example of a pattern that occurs every year.
By drilling into an ice sheet or glacier and recovering old ice, scientists can learn more about the previous composition and behaviour of the atmosphere.
They can also learn more about the climate at the time the snow fell and how the size of ice sheets and glaciers has changed over time in response to various climates.
Thus, this way, studying this icefield give scientists information on climate patterns.
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some antibiotics control bacterial infections by attacking the ribosomes of the bacteria. why don't these antibiotics also harm the cells of human patients? [select all that apply.]
The antibiotics do not harm the human cells because: (2) Human cells do not have the same ribosomes as the bacterial cells; (4) Human cell membranes prevent antibiotics from entering the cells.
Antibiotics are the chemical agents that prevent or slow down the growth of living organism inside the living body. Antibiotics can only harm the bacterial cell walls because they are made up of such components. Thus, the human cells can prevent the antibiotic entry.
Ribosomes are the components of cells involved in synthesis of proteins. These can be of two types: 70S and 80S. The ribosomes are found in both prokaryotic as well as eukaryotic cells. Ribosomes are composed of proteins and RNA.
The given question is incomplete, the complete question is:
Some antibiotics control bacterial infections by attacking the ribosomes of the bacteria. Why don't these antibiotics also harm the cells of human patients? [select all that apply.]
Human cells lack ribosome.Human cells do not have the same ribosomes as the bacterial cells. Ribosomes in human cells are attached to ER that provides protection. Human cell membranes prevent antibiotics from entering the cells.The acidity of human stomach breaks the antibiotic before it can harm the cells.To know more about ribosomes, here
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What effect does raising the temperature have on a catalase? How do you know?
Answer: Catalase activity increases as the temperature goes from 0'C to around 30'C. Catalase activity decreases as temperature goes from around 30'C to 100'C.
Explanation:
Catalase is work at 0'C to around 30'C temperature and its activity is decreased from above 30'C to 100'c.
How does temperature affect enzyme activity?Every organism needs to survive at optimum temperature and pH, because its critical enzymes are showing activity at a particular range, above and below this range, enzymes lost their activity.
Catalase enzyme is used for the decomposition of hydrogen peroxide into water and oxygen. It is commonly found in nearly all organisms that are exposed to oxygen.
Therefore, an optimum temperature is required for an enzyme to show its activity, so catalase is work at 0'C to around 30'C.
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an enzyme that catalyzes the cutting and resealing of dna, and is translated from insertion sequences, is?
Answer:Inducible Enzyme
Explanation:
What body system involved in the mechanical and chemical breakdown of food?
The body system involved in the mechanical and chemical breakdown of food is the digestive system.
The digestive system is responsible for breaking down food into smaller components that can be absorbed and utilized by the body's cells.
The mechanical breakdown of food begins in the mouth, where chewing and grinding with the teeth breaks down large pieces of food into smaller pieces. This process is called mastication.
The digestive system is also responsible for absorbing the products of digestion into the bloodstream, which carries the nutrients to cells throughout the body. This process occurs mainly in the small intestine, where the majority of nutrient absorption takes place. The remaining undigested material is eliminated from the body through the large intestine and rectum.
The digestive system plays a critical role in the breakdown and utilization of food, and any disruptions to this system can have significant impacts on overall health and wellness.
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which transport mechanism can bring whole cells into a cell?
Answer:
endocytosis
Explanation:
endocytosis is a type of active transport that moves particles, such as large molecules, parts of cells, and even whole cells, into a cell.
in what direction are the plates moving at a divergent plate boundary?
Plates move away from each other at divergent boundaries. Plates move towards each other at convergent boundaries.
Divergent boundaries form along spreading centers where plates are moving apart and magma pushing up from the mantle creates new crust. Consider two massive conveyor belts that are parallel but moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest. When a divergent boundary occurs beneath the oceanic lithosphere, the rising convection current below lifts the lithosphere, resulting in the formation of a mid-ocean ridge.
The lithosphere is stretched by extensional forces, resulting in a deep fissure. When the fissure opens, pressure on the super-heated mantle material below is reduced. It melts in response, and new magma flows into the fissure. After that, the magma solidifies.
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how did the covid-19 pandemic, affect the importation and exportation of goods to and from the caribbean islands?
COVID-19 pandemic has disrupted global trade, leading to reduced capacity and increased costs for Caribbean island imports and exports, affecting tourism and agriculture.
The Coronavirus pandemic has carried critical difficulties to the importation and exportation of products in the Caribbean islands. The pandemic has disturbed worldwide exchange and transportation organizations, prompting decreased limit and inflated costs for delivery merchandise. This has made it hard for Caribbean nations to get solid supplies of fundamental products, as a significant number of them vigorously rely upon imports. Also, travel limitations and boundary terminations forced by significant exchanging accomplices, for example, the US and Europe have frustrated the development of merchandise and made exchange more confounded. On the commodity side, the pandemic has hit ventures like the travel industry and horticulture hard, prompting lower interest for Caribbean merchandise and diminished income for these nations. These variables possess made it a difficult energy for the importation and exportation of merchandise to and from the Caribbean islands.
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in the human blood grouping, the four basic blood types are type a, type b, type ab, and type o. they are:
Type A has A antigens on the red blood cells, B antibodies in the plasma, and AB has both A and B antigens. Type O has neither A nor B antibodies, but both antigens in the plasma.
What are the different types of blood groups?Blood groups are blood types distinguished by the presence or absence of certain antigens on the surface of red blood cells. Depending on the blood group system, these antigens might be proteins, carbohydrates, glycoproteins, or glycolipids. Antigens can be present (positive) or missing (negative) (negative). Different blood types are necessary for blood transfusions because the donor's blood group must be matched to the recipient's. There are several blood group systems, the most prominent of which being the ABO and Rh blood group systems.
Type A blood is distinguished by the presence of A antigens on red blood cells and B antibodies in the plasma.
Type B blood is distinguished by the presence of B antigens on red blood cells and A antibodies in the plasma.
Type AB blood has both A and B antigens on its red blood cells but no A or B antibodies in its plasma.
Type O blood contains no antigens on its red blood cells but possesses both A and B antibodies in its plasma.
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please helps FAST will give brainlyEst, 5 stars, and thanks <3 :)
Response Template
This template will help you write about your perspective on the issue you chose.
My chosen issue: increasing spending on programs for those in need
Paragraph 1—Explain your perspective on the issue you chose. Write in complete sentences.
Paragraph 2—Describe a different perspective on this issue, one that differs from your own. Write in complete sentences.
I believe that there has to be increased spending on those programs meant for those in need. My take on this is below.
increasing spending on programs for those in needParagraph 1:
As a person who strongly values equality and fairness, I believe that increasing spending on programs for those in need is a crucial step towards creating a more just society. I believe that all individuals should have access to basic necessities such as food, shelter, and healthcare, regardless of their financial situation. I believe that the government has a responsibility to provide support for those who are struggling and to invest in programs that can help lift people out of poverty and provide them with opportunities to succeed. Furthermore, I believe that investing in these programs is not only the right thing to do from a moral standpoint, but it will also benefit society as a whole by reducing crime and improving public health.
Paragraph 2:
However, there are those who take a different perspective on this issue. Some argue that increasing spending on programs for those in need is not sustainable and that it creates a culture of dependence, where individuals become reliant on government support and lose the motivation to improve their own lives. They believe that programs like these do not address the root causes of poverty and can lead to an increase in government debt. They believe that the money would be better spent on programs that promote self-sufficiency and personal responsibility, such as job training programs and educational opportunities. These individuals believe that while helping those in need is important, it should be done in a way that empowers individuals to become self-sufficient, rather than creating a cycle of dependence.
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