Phospholipids type of lipids are the most abundant in the plasma membrane.
What is phospholipids?Phospholipids are a subclass of lipids that have two hydrophobic "tails" made of fatty acids connected by an alcohol residue, one of which is a hydrophilic "head" containing a phosphate group. Omega-3 fatty acids EPA and DHA are frequently incorporated into the phospholipid molecule of marine phospholipids.Phospholipids are compound lipids made of alcohol, fatty acids, nitrogen base, and phosphoric acids. These intricate lipids, which also give the membranes their fluidity, make up the majority of the cell membrane.A class of polar lipids known as phospholipids (PL) is made up of two fatty acids, a glycerol unit, and a phosphate group that is esterified to an organic molecule (X) like choline, ethanolamine, inositol, etc.Esters of glycerol, fatty acids, phosphoric acid, and other alcohols make up phospholipids. Phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, and phosphatidylserine are the four most prevalent phospholipids.Learn more about phospholipid here:
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Amino acids are used to make _____, which are responsible for escorting substances into and around the body as well as across cell membranes
Answer:
protein
Explanation:
Amino acids are joined together to form proteins. The main function of amino acids is to serve as building blocks for proteins
The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called _____ cells
The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called stem cells.
Pluripotent stem cells have the ability to undergo self-renewal and to give rise to all cells of the tissues of the body. However, this definition has been recently complicated by the existence of distinct cellular states that display these features.
There are two types of pluripotent stem cells :
Embryonic stem cells (ESCs)Induced pluripotent stem cellsEmbryonic stem cells are derived from the inner cell mass (ICM) of pre-implantation embryos and can be indefinitely maintained and expanded in the pluripotent state in vitro. Pluripotent stem cells can also be obtained by inducing dedifferentiation of adult somatic cells through a recently developed in vitro technology, known as cell reprogramming.
Similarly to Embryonic stem cells , Induced pluripotent stem cells can be expanded indefinitely and they are capable to differentiate in all the derivatives of the three germ layers.
Another intriguing features of being pluripotent is its reliance on gene expression heterogeneity.
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What are some of the benefits of breastfeeding for the neonate, besides nutritional value?
What is most likely to happen to an abandoned strip mine over time? a. the strip mine is likely to completely recover over time. b. the strip mine is likely to remain exactly as it is left when abandoned. c. the strip is likely to partly recover, but never return to its original state. d. the strip mine is likely to become a lake. please select the best answer from the choices provided a b c d
The strip is likely to partly recover, but never return to it's original state
The site can be partly recovered but cannot return to the original state in strip mining.
What do you mean by Mining ?The abandoned strip mining is a mining practice a seam of mineral is removed by the long strip of the overlying soil and rock.
This process is used for the mining purpose of the coal.After the mining procedure the soil will loose its fertility because only the parent rock will be left at the bottom and organic matter will be lost.As a result the soil will become loose and soil erosion will take place.Learn more about Mining here:
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The careful combination of various plant proteins to create a complete amino acid profile in one meal is called:____.
The careful combination of various plant proteins to create a complete amino acid profile in one meal is called Complete protein.
The complete protein is said when all the nine essential amino acids in the same amount are provided.
What are the amino acids and its types in humans and plants?Amino acids are a requirement for our body as the non-essential amino acids are produced in our body.
The essential amino acids are those amino acids that are not made by the body and that have to be taken from outside and should be added to the diet regularly for the better functioning of our body.
The nine essential amino acids are Histidine, Isoleucine, Valine, Leucine, Methionine, Lysine, Threonine, Tryptophan, Phenylalanine.
The different plant proteins that create a complete amino acid profile are Quinoa. There are others too that have essential amino acids.
The Plants are the ones that produce all 21 types of amino acids both essential and non-essential amino acids. Animals and humans are unable to produce essential amino acids.
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What enzymes are used to cleave glycerophospholipids? what bond will this enzyme cleave?
What enzymes are used to cleave glycerophospholipids? what bond will this enzyme cleave?
The broad family of enzymes known as mammalian PLA2 isozymes cleaves phospholipids at the second position of the glycerol backbone, releasing a free fatty acid and a lysolipid moiety.
what is glycerophospholipids?Any derivative of glycerophosphoric acid with at least one O-acyl, O-alkyl, or O-alk-1'-enyl residue linked to the glycerol moiety is referred to as a glycerophospholipid.
Here, two fatty acids and phosphoric acid are estered to glycerol, the alcohol. While the polar heads, which are primarily made up of the phosphate group connected to the third carbon of the glycerol molecule, are hydrophilic, the two fatty acid chains that are coupled to the glycerol molecule are nonpolar and therefore hydrophobic. Glycerophospholipids are amphipathic as a result of these two characteristics. They are often arranged in membranes as a bilayer, with the non-polar hydrophobic tails pointing inside and the polar hydrophilic heads extending out toward the aqueous environment. Glycerophospholipids are made up of a variety of species, most of which are different.
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The mixed cranial nerve that projects to and from internal organs, muscles, and glands is the ________ nerve.
The mixed cranial nerve that projects to and from internal organs, muscles, and glands is the vagus nerve.
The longest and most intricate of the cranial nerves is the vagus nerve, commonly known as the X or 10th cranial nerve. The vagus nerve travels from the brain to the belly through the face and thorax. The nerve is mixed and has parasympathetic fibres.
Because it has both afferent (sensory) and efferent (motor) fibres, the vagus nerve is a mixed nerve. This means that in addition to sending motor impulses to the organs it innervates, it is also in charge of returning sensory data from these organs to the brain.
Therefore, The mixed cranial nerve that projects to and from internal organs, muscles, and glands is the vagus nerve.
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A skull with a foramen magnum (which positions the skull in front of the body) belongs to?
The largest foreman is foramen magnum present in the skull, it is located in the inferior portion of the cranial fossa as a part of the occipital bone.
The foreman magnum is formed by occipital bone consist of three parts such as - basilar , lateral and squamosal. In which basilar part is formed due to fusion of occipital bone and clivus. Then lateral part is formed by occipital condyles, which articulate with atlas.
Obturator foramen is the largest foramen in the human body which is present in pelvic bone. Foramen magnum is formed with four bones - para squama , left and right pars lateralis and pars basilaris.
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What information/structures were you able to glean from the methylene blue stain that you could not get from the gram stain?
Methylene blue can stain the cellular components like nucleus, DNA or RNA in cytoplasm.
Use of methylene blue:
Methylene Blue is a cationic stain. It is a positively charged blue dye that binds to negatively charged cell components like the nucleus, DNA, or RNA found in the cytoplasm. It is a widely used stain for several purposes, including identifying germs and determining the cellular makeup of both plant and animal cells.The cell wall and membrane are examples of the exterior cell structures that can be stained by gram staining. In a collection of bacterial colonies, this stain is used to distinguish between gram positive and gram negative cells.Learn more about the Gram's staining with the help of the given link:
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Type your response in the box.
Examine this US population map from 2000. Which population distribution pattern do US residents most closely resemble? Why do you think that is the case? Conduct research on the different geographic zones in the map to determine your answer.
Population distribution pattern do US residents most closely resemble is clumped dispersion.
Which population distribution pattern do US residents most closely resemble?Clumped dispersion is the population distribution pattern present in the US residents. Clumped dispersion is the most common pattern that occurs due to an uneven distribution of resources in the environment. That region where more resources are present, the population density is higher and vice versa.
So we can conclude that population distribution pattern do US residents most closely resemble is clumped dispersion.
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__________ refers to deterioration of intellectual abilities caused by an organic brain disorder.
Dementia refers to deterioration of intellectual abilities caused by an organic brain disorder.
What is dementia?In dementia, a person loses memory, has trouble in reasoning and solving problems and other such symptoms which interfere in the normal activities of an individual. It is caused due to brain cell damage which hinders the brain cells in interacting with each other while generating responses.Dementia is not a distinct disease but is caused due to a variety of medical conditions especially Alzheimer’s disease.Symptoms can be managed by medications and therapy but there is no proper cure of dementia in later stages.Certain factors which increase the risk of dementia are smoking, diabetes, aging, alcohol abuse.A person even has difficulties in remembering the name of close ones.Learn more about dementia here:
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From deep (innermost) to superficial (outermost), the layers of the organs of the alimentary canal are? 1) mucosa; 2) muscularis externa; 3) serosa (adventitia); 4) submucosa?
The correct order of the layers of the organs of the alimentary canal is mucosa, submucosa, muscularis externa, and serosa. The correct option is B.
What is alimentary canal?The alimentary canal is a long tube of organs that allows food to pass through the body.
It encompasses the esophagus, stomach, and intestines and runs from the mouth to the rectum. The digestive tract of an adult is approximately 30 feet long.
Smooth muscle fibers or cells are long and spindly in shape. Peristalsis is the prime objective of these muscle fibers.
Mucosa, submucosa, muscularis externa, and serosa are the correct layers of the alimentary canal organs.
Thus, the correct option is B.
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Your question seems incomplete, the probable options are:
A) 3, 2, 4, 1B) 1, 4, 2, 3C) 1, 4, 3, 2D) 1, 2, 4, 3The anerobic conversion of 1 mole of glucose to 2 mol of lactaet by fermentation is accompanied by
The anaerobic conversion of 1 mole of glucose to 2 moles of lactate by fermentation is accompanied by a net gain of 2 moles of ATP.
The chemical breakdown of glucose in the absence of oxygen is called as fermentation. This process is also known as anaerobic respiration.
Under anaerobic conditions, 2 ATP are produced (net) per mole of glucose. 7 ATP are made per mole of glucose in glycolysis aerobically, whereas, Pyruvate is converted to Lactate by the enzyme Lactate dehydrogenase at a cost of 2 NADH (5 ATP) under anaerobic conditions.
Thus, the net gain is 7 ATP - 5 ATP = 2 ATP.
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Balance or Unbalance,Help i don’t know what to do.
Explanation:
Hello!Look at the attached image ☝️above
Hope it helps !
In which location are you most likely to find organic remains that
have not decomposed?
Answer: A. Glacier (due to its extremely cold temperatures)
here 2 other answers for your quiz I am not sure if they are going to be in it but these are the answer
2. C. Their environment changed from forest to grassland as the forest shrank.
3. B. Saprobes, detrivores
When muscle cells undergo anaerobic respiration, they become fatigued and painful. this is now known to be caused by:_____.
The correct option is C.
The skeletal muscle will be painful and fatigued and the caused it build up of lactate.
What is skeletal muscle?Of the three major muscle tissues in the human body, skeletal muscle is one of them. The connective tissue sheaths that cover each of the thousands of muscle fibers that make up each skeletal muscle. The term "fasciculi" refers to the distinct bundles of muscular fibers that make up skeletal muscles.
What is lactate?It is a test that assesses the level of lactic acid, often known as "lactate," in your blood. Muscle cells and red blood cells produce this acid. When food is converted into energy by your body, it forms. In times of low oxygen levels, your body uses this energy.
Lactic acid has long been believed to be the cause of this acid buildup, known as acidosis, which is linked to the burning sensation experienced after vigorous exercise.
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I understand that the question you are looking for is:
When skeletal muscle cells undergo anaerobic respiration, they become fatigued and painful. This is now known to be caused by _____
A) a buildup of pyruvate.
B) an increase in ethanol.
C) a buildup of lactate.
D) an increase in sodium ions.
E) an increase in potassium ions.
It is now understood that the painful and fatigued symptoms of anaerobic respiration in muscles and skeletal muscle cells are brought on by a buildup of lactate. The accumulation of lactate will cause the skeletal muscle to become sore and exhausted.
What is Anaerobic respiration?Glucose is metabolized anaerobically, or without oxygen. Energy from glucose is transferred to the cell through the chemical process. Lactic acid is the end product of anaerobic respiration rather than carbon dioxide and water.
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As a percentage of weight, muscle is about _____ percent protein and about _____ percent water.
As a percentage of weight, muscle is about 20 percent protein and about 75 percent water.
What is muscle?Muscles are made up of numerous elastic fibers. Body contains more than 600 muscles. The functions of various muscle groups vary. Some muscles enable you to move quickly like running or jumping or deftly like threading a needle.A bodily part made up of lengthy cells that, when activated, constrict and move. An organ that, by contracting, moves or restrains the motion of a body part. It is essentially a mass of muscular tissue linked at either end to a fixed point.Only muscle tissue in the body has the capacity to contract, which allows it to move other body components. The second purpose of the muscular system is maintenance of posture and body position, which is connected to the purpose of movement.
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What is the name for a cell or cell part that detects signals from the environment
Answer:
Receptors
Explanation:
Receptors play a key role in cell signaling as they are able to detect chemical signals or physical stimuli. Receptors are generally proteins located on the cell surface or within the interior of the cell such as the cytoplasm, organelles, and nucleus.
what is diffusion explain it
Answer:
Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration . Diffusion occurs in liquids and gases when their particles collide randomly and spread out. Diffusion is an important process for living things - it is how substances move in and out of cells.
Explanation:
Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration . Diffusion occurs in liquids and gases when their particles collide randomly and spread out. Diffusion is an important process for living things - it is how substances move in and out of cells.
Does the overall shape of lucy’s pelvis resemble the human pelvis or the chimpanzee pelvis more? do not think of the size, but compare the outlines of each bone
In human pelvis the wings of the ilium extended from either side of the pelvis , in chimpanzee pelvis the wings are extend from the back because chimpanzee is tall.
Lucy and other species could walk well because their hip and knee joints were similar to humans." like human's,like chimp's".Her small skull with long arms and conical rib cage are like an ape's but she has a more human for example- spine, pelvis and knee due to walking upright.
According to Johnson - Lucy was either a small member of genus homo or small Australopithecus. When comparing Lucy , its shows an intermediate curvature between those of modern human and chimpanzees.
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Where does antidiuretic hormone (adh) exert its effects to promote water reabsorption?
The antidiuretic hormone primarily acts in the kidneys to increase water reabsorption.
What is antidiuretic hormone?It is also called human vasopressin. It is synthesized by special nerve cells present in the hypothalamus. It is then transported to the posterior pituitary gland and from there it is released into the blood.
This hormone acts on the kidneys and the blood vessels. It helps in controlling and maintaining the normal blood pressure of the body. It works by maintaining the fluid volume in the body by keeping a check on the water that is passed out through urine.
This is done by reabsorption of some amount of water from the urine through a designated area in the kidney.
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Which of the following is the best description for Epistasis?
A. A recessive allele that controls the expression of a dominant allele in a different trait.
B. Two alleles keeping each other in equilibrium.
C. When two dominant alleles are present and are both expressed equally.
D. A state of being very close to equilibrium, but not quite there.
[tex]\huge\underline{\underline{\boxed{\bm {Answer:}}}}[/tex]
○ [tex] \large\tt{A.}[/tex] A recessive allele that controls the expression of a dominant allele in a different trait.
◉ [tex]\large \tt{B.}[/tex] Two alleles keeping each other in equilibrium.
○ [tex]\large \tt{C.}[/tex] When two dominant alleles are present and are both expressed equally.
○ [tex] \large\tt{D.}[/tex] A state of being very close to equilibrium, but not quite there.
[tex]\huge\underline{\underline{\boxed{\bm {Explanation:}}}}[/tex]
An epistasis is a relationship between two genes or alleles in which one gets masked or hidden by the other. It is different from dominant and recessive alleles because epistasis has an alternative phenotype to the normal phenotype.
What are the consequences of learning on the brain and on future execution of behavior by that brain?
Human brain is always learning whenever it processes information.Human babies are the best example of learning since birth.The aging brain responds to learning the same way a child's brain does grows new task- specific synapse that can be recruited for other uses.
These are the consequences of learning on the brain and on future execution of behavior by that brain.
What are the consequences of learning of brain?When brain learns something new it will help to develop cognitive function like concentration, attention and chance of dementia decreases.
When the brain matures, fibers are developed in the brain becomes interconnected and these interconnected neurons are very essential in the formation of memories and new and previous learning interconnected.
Therefore,human brain is always learning when it is processed.
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provide a brief description of the environment you are living in and suggest various measures to make it a sustainable environment (chapter 15 our environment)
The various measures that can make your environment a sustainable environment is the use of renewable energy and recycling of materials.
What is environmental sustainability?Environmental sustainability is defined as the controlled way human beings Interact with their immediate environment in such a way that depletion or degradation of natural resources is avoided.
Examples of environmental sustainability include the following:
Renewable energy, such as solar, wind, hydroelectric, and biomass.Recycling of metals, such as iron and steel, and minerals.Crop rotation.Cover crops.Selective logging.The environmental sustainability is important due to the following:
Increased energy, food and human-made resources we use every day.Rapid increase in population growth farming and manufacturing, which can lead to more greenhouse gas emissions, unsustainable energy use, and deforestation.Learn more about pollution here:
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please i need help!!!
Answer:
the answer is d
Explanation:
photosynthesis is a process in plants to produce o2 and energy rich compounds
Citrate can react asymmetrically in the citric acid cycle because the enzyme aconitase?
The asymmetric binding of citrate by the enzyme aconitase allows for asymmetric reactions of citrate in the citric acid cycle(TCA).
How does citrate behave during the TCA cycle?
Citrate synthase uses oxaloacetate and acetyl-CoA to create citrate in the Krebs cycle (CS). Citrate carrier allows for its export from the mitochondria (CIC). ACLY converts cytosolic citrate to acetyl-CoA and oxaloacetate. Fatty acid production can employ acetyl-CoA as a substrate.
What does the aconitase enzyme do?
Aconitase, also known as aconitate hydratase (EC 4.2.1.3), is an enzyme that catalyzes the non-redox-active process of stereo-specific conversion of citric acid(citrate) to isocitrate in the acid ( TCA ) cycle using cis-aconitate.
Therefore, option A is the correct choice.
Original question:
Citrate can react asymmetrically in the citric acid cycle because the enzyme aconitase
A) binds citrate asymmetrically.
B) binds either form of citrate.
C) binds both forms of isocitrate.
D) does not distinguish the -CH2COO- group.
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In the word search below are the names of several pieces of lab equipment. As you find each piece of equipment, record its name on the list. There are only 13 words out of the listBunsen burner,Pipestem triangle, Evaporating dish, Beaker, Utility clamp,Iron ring, Mortar and pestle, Crucible and cover, Gas bottle, Saftey goggles,Corks, Watch glass, Erlenmeyer flask, Wire gauze, Pipet, Buret,Triple beam balance, Test tube rack, Funnel, Scoopula,Well plate, Wire brush,File,Wash bottle, Graduated cylinder,Thanks
A crossword is a type of word puzzle that often consists of squares or a rectangular grid of squares with black and white borders. In this case, this is created to educated the audience on the various types of lab equipment.
What are the answers to the crossword puzzle?The answer to the crosswords are as follows:-
Beaker -second rowBunsen Burner - second last lineCorks - besides the word thermometerCrucible and cover - tenth row diagonalEvaporating dish- fifth row diagonalGas bottle - Last lineIron Ring - second last columnMortar and pestle - fifth columnPipestem triangle- third-row diagonalSafety goggles - Fifth columnUtility clamp - seventh rowWatch Glass - Seventh column invertedWire gauze - second line.Learn more about lab equipment:
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Extending from norway to the pacific coast of russia is a great expanse of ________ climate, often referred to as the taiga climate.
Extending from norway to the pacific coast of russia is a great expanse of subarctic climate, often referred to as the taiga climate.
What is Taiga climate?This type of climate observed in the northern hemisphere and absent in the southern hemisphere.
It is otherwise named as boreal Climate or Siberian Climate or Cool Temperate Continental Climate or Continental Sub-Polar Climate.
The temperature of this climatic regions include range from 20-25 °C during summer whereas in winters are cold that is 30-40 °C below freezing.
The range of annual precipitation 38 cm to 63 cm.
Hence, from norway to the pacific coast of russia is a great expanse of subarctic climate.
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A child complains that she is unable to flex her hip or straighten her knee after she had an appendectomy. Which nerve may have been anesthetized during the surgery?
The ilioinguinal nerve may have been anesthetized during surgery.
What is ilioinguinal nerve?The ilioinguinal nerve is a nerve that innervates the abdomen and genital region. It begins at the lumbar plexus and consists of two branches – an abdominal branch that innervates the skin and muscles of the abdomen, and a genital branch, which innervates the skin of the pubis, scrotum and labia majora.
What is appendectomy?An appendectomy is surgery to remove the appendix when it is infected. This condition is called appendicitis. Appendectomy is a common emergency surgery. The appendix is a thin pouch that is attached to the large intestine. It sits in the lower right part of your belly.
With this information, we can conclude that An appendectomy is the surgical removal of the appendix. It is a common procedure that surgeons usually carry out in an emergency.
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If mark has 88 apples 31 bananas 41 oranges what percent of marks fruit is yellow
Answer:
19.375%
Explanation:
88+31+41=160
31/160=0.19375
0.19375=19.375%
Answer:
19.375%
Explanation:
Adding up all of the fruits: 88 + 31 + 41 = 160
Dividing the bananas (yellow fruits) by all fruits: 31/160 = 0.19375 = 19.375%
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