In order to determine whether the new amino acid being replaced has distinct properties, we must first record which features of the amino acid each location possesses. At physiological pH, the side chains of some amino acids will be negatively charged, others positively charged, and yet others will be neutral.
Methionine and arginine have chemically distinct properties. While arginine is a positively charged amino acid and would presumably be facing the protein outside, methionine is a nonpolar side chain that would likely be hidden inside the protein core. The structure of a protein would likely be altered or disrupted if arginine were substituted for methionine.
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Quartz is an important mineral in mafic rocks like basalt and gabbro.
a. true
b. false
Quartz is an important mineral in mafic rocks like basalt and gabbro. The given statement is false.
What is mafic rocks?Mafic minerals and rocks are silicate minerals or igneous rocks that are high in magnesium and iron.
The majority of mafic minerals are darker in color, and some of the most common rock-forming mafic minerals are olivine, pyroxene, amphibole, and biotite. Basalt, diabase, and gabbro are examples of common mafic rocks.
In geology, mafic rock is an igneous rock monopolized by the silicates pyroxene, amphibole, olivine, and mica.
These minerals are rich in magnesium and ferric oxides and contribute to the dark color of mafic rock.
Thus, the given statement is false.
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Estrogen and progesterone are primarily produced and secreted by the: Group of answer choices ovaries. uterus. anterior pituitary. posterior pituitary.
Answer:
Produced and Secreted by the ovaries
Which part of the peripheral nervous system would send impulses to the skeletal muscles in the arm?
The part of Peripheral Nervous System (PNS) that would send impulses to the skeletal muscles in the arm is Somatic Nervous System.
Somatic Nervous System is the voluntary part of the Peripheral Nervous System (PNS) which is associated with voluntary activity of the human body with the help of skeletal muscles in the body.
Somatic Nervous System consists of two kinds of nerves namely Spinal nerves and Cranial nerves.
Spinal nerves transmits information to the body from spinal cord.
Cranial nerves transmits information to the neck and head from the brain.
Somatic Nervous System controls the movement of the skeletal muscle present in the arm and leg. It controls the voluntary actions of the body which is under our control.
It controls the transmission of impulses received from the senses to perform reflex actions without involving the Central Nervous System (CNS)
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Which food is rich in complex carbohydrates? Which food is rich in complex carbohydrates? cheese wheat bread olive oil honey
Wheat bread is rich in complex carbohydrates
Sugar molecules are arranged in lengthy, intricate chains to form complex carbohydrates. Foods such as peas, beans, whole grains, and vegetables include complex carbohydrates. The body converts simple and complex carbs to glucose (blood sugar) for use as fuel.
complex carbohydrates are classified as oligosaccharides, which have three to ten monosaccharides bound together, and polysaccharides, which have more than ten monosaccharides bonded together. These complex carbohydrates are made up of dietary fiber, glycogen, and starches.
Consume extra fruits and vegetables to increase your intake of complex carbohydrates and healthful nutrients. Don't forget to include legumes like beans, lentils, and dried peas in your diet as well as whole-grain grains, bread, and cereals.
According to the Dietary Guidelines for Americans, between 45 and 65 percent of daily calories should come from carbs. That is 225 to 325 grams of complex carbohydrates each day.
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When blood is drawn from a blood vessel in your arm, it is dark red. This color indicates that the blood was?
When blood is drawn from a blood vessel in your arm, it is dark red. This color indicates that the blood was taken from the vein.
Why was my blood so dark when drawn?
Hemoglobin, a protein found in blood cells that enables the delivery of oxygen throughout the body, contains iron, which gives human blood its red color. However, the amount of oxygen in the blood affects the hue. Blood that contains a lot of oxygen will appear bright red. If blood is drawn from an artery that transports blood from the lungs to the rest of the body, this is typical.
Deoxygenated blood is contained in the veins, which carry blood back to the lungs from the body. Based on the light wavelengths they reflect, chemicals appear to our eyes in specific colors. As blue-green light is absorbed by hemoglobin attached to oxygen, red-orange light is reflected into our eyes, giving the appearance of redness. Because of this, when oxygen attaches to iron in the blood, the color turns brilliant cherry red. Blood is a deeper shade of red when it is not coupled to oxygen.
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A clot forms long sticky threads made of linked ____. after the injury heals, ____ can digest/lyse the clot
How is an agglutination reaction different from a precipitin reaction?
Cells clump together during a process called agglutination as a result of the accumulation of antigens and antibodies.
Immune complexes are created when soluble antigens are brought together by the appropriate antibody molecules, and they become visible when they are big enough to precipitate out of the solution.
The interaction between antibody molecules and the associated antigen molecules causes both agglutination and precipitation processes. Agglutination, on the other hand, is the clumping of cells that occurs when one antibody binds several antigens at once. Contrarily, precipitation occurs when soluble antigens and soluble antibodies interact to form a clear, insoluble substance known as the precipitate.Agglutination takes place when a target antigen, also known as isoagglutinin, interacts with a corresponding antibody in the presence of an electrolyte at the right temperature and pH, leading to the development of apparent clumps or aggregates. Precipitation happens when an electrolyte, an antigen, and a soluble antigen interact at the right temperature and pH to create cross-links or precipitates that sink to the bottom of the solution.learn more about agglutination here: https://brainly.com/question/13022582
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Which part of the body is represented by the largest area of the primary motor cortex?
Arm and hand motor area is the largest, and occupies the part of precentral gyrus represented by the largest area of the primary motor cortex .
The primary motor cortex is located in the precentral gyrus the premotor area is more rostral. The pyramidal cells of cortical layer V (also called Betz cells) are the upper motor neurons of the primary motor cortex.
The primary motor cortex, or M1, is one of the principal brain areas involved in motor function. M1 is located in the frontal lobe of the brain, along a bump called the precentral gyrus .
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Atoms typically consist of electrons, protons, and neutrons. the most common isotope of one element, however, only has two of these three types of particles. this element is:_______
Answer: Helium i think
Explanation:
What feature of rubisco allows the co2 concentration to increase in the bundle sheath cells of c4 plants?
The increased concentration of CO₂ in Bundle sheath cells allows RUBISCO to bind with CO₂ more efficiently.
RUBISCO stands for Ribulose Bisphosphate Carboxylase Oxygenase. It is the most abundant enzyme on the earth. It has binding site for both CO₂ and O₂. It is a 5 carbon compound.
In bundle sheath cells due to thick walls, the CO₂ concentration increases and hence RUBISCO can bind with CO₂ more efficiently. The binding site in RUBISCO has active sites for both CO₂ and O₂, therefore the binding nature between both of them is competitive. More the concentration of CO₂ the better the RUBISCO can bind to it.
In the C₄ pathway, when the acid is broken down in the bundle sheath cells, this increases the intracellular concentration of CO₂ and hence CO₂ can bind with RUBISCO.
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What is bioenergetics?
a. the study of weight loss
b. the study of metabolism during exercise
c. the study of the ways in which food is turned into energy
d. the study of aerobic metabolism
Which is most responsible for the synchronized contraction of cardiac muscle tissue?
Answer:
ap junctions
Explanation:
Pyruvate is the product of glycolysis, and after it moves into the ______, it is oxidized to form ______, which enters the krebs cycle.
Pyruvate is the product of glycolysis, and after it moves into the mitochondrial matrix, it is oxidized to form acetyl COA, which enters the Krebs cycle.
Glycolysis generates pyruvate in the cytoplasm, while the mitochondrial matrix is where pyruvate oxidation occurs (in eukaryotes). Pyruvate must therefore enter the mitochondrion, pass through its inner membrane, and reach the matrix before the chemical processes can start.The pyruvate molecules generated at the conclusion of glycolysis are carried into mitochondria, which are locations of cellular respiration, in eukaryotic cells. Aerobic respiration will continue if there is oxygen available. By eliminating a carbon dioxide molecule, pyruvate is converted in the mitochondria into a two-carbon acetyl group, which is then taken up by a carrier substance called coenzyme A (CoA), which is created from vitamin B5.learn more about Pyruvate here:
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The autonomic nervous system has ___________ lower motor neuron(s) in each pathway.
The autonomic nervous system has _two_ lower motor neuron(s) in each pathway.
It extends from the central nervous system to innervate cardiac & smooth muscle and glands.
What is autonomic nervous system?The peripheral nervous system's autonomic nervous system controls physiological functions that are carried out automatically, such as digestion, blood pressure, respiration, and sexual desire. There are three anatomically separate divisions in it: enteric, parasympathetic, and sympathetic.Enteric nervous system:The enteric nervous system (ENS), a partially autonomous component of the nervous system, is made up of a number of neuronal circuits that regulate immunological and endocrine activity as well as motor and local blood flow.Parasympathetic nervous system:The body's autonomic nervous system includes the parasympathetic nervous system. The sympathetic nervous system, which regulates the body's fight-or-flight response, is its partner. The body's capacity for relaxation is governed by the parasympathetic nervous system. The phrase "relax and digest" has been used to describe it.Sympathetic nervous system:The body's quick, unconscious reaction to hazardous or stressful circumstances is controlled by the sympathetic nervous system. The body's attentiveness and heart rate are increased by a sudden surge of hormones, which increases the flow of blood to the muscles.To learn more about autonomic nervous system visit:
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Which answer correctly identifies the part of the human vision system that is part of the retina?
a. visual cortex
b. rods
c. optic nerve
d. pupil
Rods identifies the part of the human vision system that is part of the retina. The correct option is b.
What are rods?Rods are photoreceptor cells found in the retina. They are photosensitive and contribute to our ability to see well in low light.
They are focused in the retina's outer regions and provide us with field of vision. Rods are 500 to 1,000 times more light perceptive than cones.
Regardless of the fact that cone-mediated eyesight dominates perception in typical daytime light levels, the overall number of rods in the human retina far outnumbers the number of cones.
Thus, the correct option is b.
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A structure consisting of tissues organized to carry out a specific function defines a(n):_____.
A structure consisting of tissues organized to carry out a specific function defines a(n): Organ.
Organs are grouped into organ systems, in which they work together to carry out a particular function for the organism.
The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food.
The survival of the organism depends on the integrated activity of all the organ systems, often coordinated by the endocrine and nervous systems. All the systems of the body work together to keep an organism up and running.
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Describe why the treatment plant was not removing nitrites and nitrates from the water. how did you fix this problem?
The problem can be fixed by converting ammonia.
What is ammonia?With the chemical formula NH3, ammonia is a mixture of nitrogen and hydrogen.
Ammonia is the simplest pnictogen hydride and a stable binary hydride. It is a colorless gas with a strong, pungent odor. It contributes considerably to the nutritional demands of terrestrial species by serving as a precursor to 45 percent of the world's food and fertilizers. It is a common nitrogenous waste biologically, especially among aquatic creatures.
How to remove nitrates and nitrites from water?Nitrates are challenging contaminants to remove from water, and filters alone cannot do it. By using ion exchange resin, distillation, or reverse osmosis, nitrates can be taken out of water.
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As the body prepares to deal with a stressful threat, the adrenal glands release which stress hormone?
The complete sequence of dna bases responsible for making a functional protein is?
The complete sequence of DNA bases responsible for making a functional protein is gene .
During transcription, the enzyme RNA polymerase uses DNA as a template to produce a pre-mRNA transcript . The pre-mRNA is processed to form a mature mRNA molecule that can be translated to build the protein molecule (polypeptide) encoded by the original gene.
DNA used to create proteins by using enzymes that read the information in a DNA molecule and transcribe it into an intermediary molecule called messenger ribonucleic acid, or mRNA. after that the information contained in the mRNA molecule is translated into the "language" of amino acids, which are the building blocks of proteins.
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Do robber crabs have more in common with dolphins or with sponges?
Robber crabs have more in common with dolphins than sponges.
A phylogenetic tree is a visual representation of the evolutionary connections between various creatures. Phylogenetic trees are theories rather than proven truths. A phylogenetic tree's branching pattern illustrates how many species or other groups developed from a number of common predecessors.The robber crab or palm thief is another name for the terrestrial hermit crab species known as the coconut crab. With a weight of up to 4.1 kg, it is the biggest terrestrial arthropod in the entire globe.A phylogenetic tree can be used to track a species' evolutionary history back via the tree's branches and find their common ancestors along the way.A robber crab has tissues which is similar to dolphins however sponges do not have tissues, thus robber crabs are closer to dolphins.learn more about Robber crabs here: https://brainly.com/question/12093868
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What is the difference between prokaryotes and eukaryotes? In your answer use the terms nucleus, nucleoid, organelles, size, cytoskeleton, plasma membrane, cell wall, ribosomes, evolution.
Prokaryotes differ from eukaryotes in terms of cell complexity.
Differences between prokaryotes and eukaryotesProkaryotes refer to living organisms whose bodies are made from prokaryotic cells. Eukaryotes, on the other hand, are organisms made from eukaryotic cells.
Prokaryotes differ from eukaryotes in the following ways:
Prokaryotes lack a nucleus while eukaryote organisms have one or more nuclei. The genetic materials of prokaryotes are arranged as nucleoids and lie freely within the cytoplasm.In terms of size, prokaryotic cells range from 0.1 to 5 micrometers. Eukaryotic cells range from 10 to 100 micrometers.Prokaryotic cells usually have cell walls. Some eukaryotic cells have cell walls, while some do not.The ribosome size of prokaryotes is around 20 nm while that of eukaryotes varies from 25 nm to 30 nm.In terms of evolutionary advancement, eukaryotes are more advanced than prokaryotes.More on prokaryotes and eukaryotes can be found here: https://brainly.com/question/4644590
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Location e is located at the tropic of cancer, while location f is at the equator. which location is likely to be warmer at the start of the summer in june?
option(c)Location E, because Earth's axis is tilted towards the sun is the right answer.
When location e is located at the tropic of cancer, while location f is at the equator, Location E, because Earth's axis is tilted towards the sun is likely to be warmer at the start of the summer in June.
Because Earth's axis is tilted towards the sun, place E is expected to be warmer during the beginning of summer in June.
What is Earth?The only present astronomical object to have life on it would be the Earth because its optimum distance of planet to the sun.
What is sun?Even the planets would rotate around the sun, which would be at the center of the earth. Experts claim that the sun is simply a mass of hot plasma with a spherical appearance.The sun warmed the northern hemisphere of the planet. Summer in the northern hemisphere is characterized by extended daylight hours, the sun rising straight overhead, and even more direct sunrays hitting the earth. The north pole is constantly illuminated.Therefore, the correct answer will be option (C).
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Which of the following is not a con of solar power?
Select one:
a
It contributes to global warming.
b
It requires expensive technology.
c
It is not available at night.
d
It is not available when it is cloudy.
Solar powers do not contribute to global warming. The correct option is A.
What is solar power?Solar power is a form of energy derived from solar radiation.
A solar panel is used to harvest the solar radiation and an inverter is used to convert the solar energy to electrical energy.
Solar energy is also referred to as clean energy because it has no negative effects on the environment unlike other forms of energy such as fossil fuel burning. They do not contribute to greenhouse gases emission, and thus, global warming.
One of the downsides of solar power is that it remains an expensive technology. Also, it becomes unavailable when the sky is cloudy or once the sun sets.
In order to solve the unavailability of solar power at night or during cloudy days, batteries are used to store some of the harvested power.
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Though narcotics can effectively manage pain or reduce anxiety, they...
A. can cause drowsiness and are highly addictive.
B. only work short-term.
C. are only attainable illegally.
What will happen if an animal raised in an axenic environment is exposed to a pathogenic microbe later in life?
If an animal raised in an axenic environment is exposed to a pathogenic microbe later in life, it will exhibit a very poor immune response to the pathogen.
What is an axenic environment?Axenic environment is that which is free from any contaminating organism like microbes. When any animal is raised in an axenic environment, it has a very poor immune system because it does not have to defend itself against any pathogen.If such an animal is exposed to pathogen later in their life they may not be able to respond because they have never experienced such situations and will get infected.In laboratories, animals are initially grown in axenic places but they are later on slowly exposed to external environment so that they can acclimatize/ adapt to the environment and live normally.Learn more about axenic environment here:
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Which one of these scenarios is most like social conditioned place preference?
Choices:
A person has a fantastic date on a Florida swamp tour and later develops an affinity for swimming in swamps.
The fulfillment that Charles finds in bodybuilding leads him to become an orthopaedic surgeon.
After having an excellent class in a red classroom, a student starts preferring to study in rooms with red wallpaper as opposed to blue.
Sally loves popcorn and winds up working in her city's biggest corn factory.
The fulfillment that Charles finds in bodybuilding leads him to become an orthopedic surgeon.
The initially neutral environmental signals become linked to the unconditioned stimulus's motivating qualities, which might cause behavior to either approach or avoid the environment. To increase the ability to make causal claims, control and treatment group are frequently used in practice.
Similar to Pavlovian conditioning, environmental signals are frequently combined with an unconditioned stimulus that naturally elicits a response before conditioning (the unconditioned response). The neutral stimulus will eventually start to evoke reactions that resemble the unconditioned response with repetition and pairings. The unconditioned stimulus in conditioned location preference could be anything, such as food pellets, water, sweet liquid, novel toys, social engagement, drug intoxication, drug withdrawal, foot shock, illness, wheel running, copulation, or any number of other things.
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X-gal is included in the growth medium on which cells transformed with bacterial plasmids are grown. The reason x-gal is included is to _______.
Answer:
gg
Explanation:
X-GAL is included in order to True An enzyme that cuts between the third and fourth bases from the 5′ end of a six base DNA sequence will result in blunt ends.
What are Bacterial Plasmids?Plasmids are the little DNA rings that your bacterial self was stealing. Plasmids are specifically non-essential, extrachromosomal DNA fragments. What does that exactly mean? A plasmid is a brief, typically circular, double-stranded DNA fragment that is located outside of the main bacterial chromosome in the b.
Between 5 to 100 genes that are not necessary for the survival of the bacteria are typically found in plasmids. The primary bacterial chromosome contains the genes necessary for healthy cell structure, metabolism, and growth. The bacterium would still be able to survive even if all of the plasmids were taken out as long as it is flourishing in a low-stress environment.
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Explain how hormones, nervous system stimulation, and the volume, chemical composition, and osmolarity of the chyme affect motility in both the stomach and the duodenum
Genetics are thought to play a role in certain gastric motility disorders, such as hirschusprung's disease , intestinal pseudo- obstruction and GERD.
Hormones which controls the different digestive enzymes that secreted in stomach and the intestine during the process of digestion and absorption. Stomach secret the acid in response to food intake which is stopped by the somatostain. This stimulates the gastric mobility.
Duodenum mobility is effect by the input form the central nervous system which reduce the propagation velocity and increase contractile amplitudes. (CRF) Corticopin -releasing factor is physiologic mediator of stress effects on the gut. An antroduodenal mobility is diagnosis problem in the muscles of stomach and small intestine are working.
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Which classification of drugs helps in preparing for thyroidectomy or treating thyrotoxic crisis?
Antithyroids classification of drugs helps in preparing for thyroidectomy or treating thyrotoxic crisis.
The overactive thyroid (hyperthyroidism) brought on by Graves' illness is most frequently treated with antithyroid medications, commonly known as thioamides. These medications prevent the thyroid gland from producing thyroid hormone.To cure an underactive thyroid gland, utilize levothyroxine (hypothyroidism). The thyroid gland ordinarily produces thyroid hormone, which it either replaces or increases. Low thyroid hormone levels can happen naturally, when the thyroid gland is damaged by radiation, drugs, or surgery, or when they are caused by another factor. The overactive thyroid (hyperthyroidism) brought on by Graves' illness is most frequently treated with antithyroid medications, commonly known as thioamides.learn more about antithyroid here: https://brainly.com/question/9251938
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What are two ways in which the body gains
water?
OA. Sweating and drinking
B. Sweating and urination
OC. Drinking and cellular respiration
D. Cellular respiration and urination
Answer:
C.) Drinking and cellular respiration
Explanation:
During sweating and urination, water is lost.
During drinking and cellular respiration, the body gains water. Water is a product of cellular respiration.