¿el significado de comedia?​

Answer:

plasticity

Explanation:

plasticity is ongoing throughout life and involves brain cells other than neurons,it occurs as a result of learning,experience,and memory formation. This helps the brain modify it connections or wire itself,without this the brain can not recover from brain injury or would not be able to develop from infancy through to adulthood.

The events that contribute to the termination of a response in the GPCR (7TM receptor) pathway are: Gα dissociates from the Gβγ subunits. The ligand dissociates from the receptor,

which resumes its inactive conformation.

The receptor is inactivated by phosphorylation of Ser or other residues on its intracellular domain.

Gα hydrolyzes GTP to GDP and Pi.

Therefore, the correct events that contribute to the termination of a response in the GPCR pathway are 1, 2, 3, and 5. Event 4, "Gα releases GDP and binds GTP," is not a correct statement as it does not contribute to the termination of the response, but rather represents the activation of Gα by binding to GTP, which is an initial step in the pathway.

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If the elevations of points X and Z are provided, we can subtract the two values to find the difference in elevation and then compare it to the options given to determine the closest one.

To determine the closest option to the difference in elevation between Susan's location (point X) and her campsite (point Z), we need to compare the given values.

Let's assume Susan's campsite (point Z) is at an elevation of Z meters, and her current location (point X) is at an elevation of X meters. The difference in elevation between the two points is given by |X - Z| (taking the absolute value to consider only the magnitude of the difference).

Now, let's compare the options given:

A. 280 m

B. 320 m

C. 2180 m

D. 2220 m

To determine the closest option, we need to find the value that is closest to the calculated difference |X - Z|.

Since the elevations of points X and Z are not provided, we cannot determine the exact difference or which option is closest to it. Without knowing the specific elevations, we cannot make a definitive choice among the given options.

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Answer:

They could use SNPs(Single nucleotide polymorphisms) of DNA, which are an anaylysis of chromosomes using high tech laser magnification. This SNPing allows scientist to more closely view specific genes in chromosomes that cause certain traits. It allows for a greater genetic mapping and could also be used to see mutations, if you know which chromosome to look at.

IDK, just an idea, SNPs were used to look at different species trait exhibition, I thought it might work for this if used properly.

Answer:

B) gene mapping

Explanation:

edge

Of the following traits that are associated with being human, the one that evolved most recently is the ability to control fire. While upright walking, social communication, and a big brain are also important traits associated with being human, the ability to control fire is believed to have developed around 1.5 million years ago, which is relatively recent in terms of human evolution.
The trait that evolved most recently among the options provided is the ability to control fire (b). Upright walking, social communication, and the big brain evolved earlier in human history.

Upright walking, also known as bipedalism, is a defining trait of the human species. It refers to the ability to walk on two legs, with the torso upright and the feet supporting the body's weight.

Some key traits of upright walking include:

An S-shaped spine: Our spine has a unique S-shaped curve that helps to distribute weight evenly over our legs and feet while standing and walking.

Longer legs: Compared to our primate relatives, humans have longer legs relative to their body size. This helps to position our feet directly under our center of gravity, improving balance and stability.

Arched feet: The arches in our feet act like springs, absorbing shock and providing energy during each step.

Shorter arms: Unlike other primates, humans have shorter arms relative to their body size. This is because longer arms would interfere with our ability to walk upright.

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Protein is typically not present in urine because the kidneys play a vital role in maintaining the balance of substances in the body.

They filter waste products, excess water, and other substances from the blood to produce urine. However, the filtration process in the kidneys is highly selective. Small molecules like water, salts, and waste products pass through the filtration membrane and into the urine, while larger molecules like proteins are retained in the blood. This selective filtration prevents proteins from being excreted in the urine under normal circumstances. When protein is detected in the urine, it is known as proteinuria. Proteinuria can be a sign of kidney damage or dysfunction, as it indicates that the filtration mechanism in the kidneys is impaired. In such cases, proteins leak into the urine from the blood, resulting in an abnormal presence of protein in the urine. After intense exercise, some individuals may experience temporary proteinuria, which is considered physiological or normal.

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Answer:

The arm is located superior (above) to the forearm, and the forearm is located inferior (below) to the arm. The hand is located distal (farther away) to the wrist, and the wrist is located proximal (closer to) to the hand.

Explanation:

Answer:

Explanation:

Wind is considered to be kinetic energy. As the kinetic energy of the wind hits the fans of the wind turbine it causes the fans to spin. This then causes the blades to spin a rotor which is connected to the main shaft of the turbine itself. This rotor spins and generates electricity. Therefore, the kinetic energy that was initially introduced into the system goes through a process and gets converted into electrical energy which we can use.

The correct sequence, from earliest to most recent, in which these plant traits originated is:

c. 2 -> 1 -> 3

1. sporophyte dominance, gametophyte independence (2) - This trait originated first, where the sporophyte generation became dominant in the plant life cycle, and the gametophyte generation became less independent.

2. sporophyte dominance, gametophyte dependence (1) - This trait originated next, where the sporophyte generation remained dominant, but the gametophyte generation became more dependent on the sporophyte for nutrition and support.

3. gametophyte dominance, sporophyte dependence (3) - This trait originated last, where the gametophyte generation became dominant in the plant life cycle, and the sporophyte generation became dependent on the gametophyte for nutrition and support.

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Answer:

C:  proteins & nucleic acids

Explanation:

Answer:

By manipulating DNA, genetic engineers can produce:

Cheers!

The statement it allows easy passage of lipid soluble substances is NOT true regarding the blood-brain barrier BBB. The blood brain barrier BBB is a highly selective and tightly regulated barrier that separates the brain from the circulating blood.

Its main function is to protect the brain from harmful substances, such as toxins and pathogens, while allowing essential nutrients to pass through. The blood brain barrier BBB prevents the passage of possible therapeutic drugs and the flow of proteins across it, as they are usually too large and cannot pass through the tightly packed endothelial cells that line the blood vessels in the brain.

Instead, lipid soluble substances, such as oxygen, carbon dioxide, and certain drugs, can pass through the BBB by diffusion. The BBB consists mainly of tight junctions that connect the endothelial cells and limit the movement of substances between them. Astrocytes also play a primary role in the regulation of the BBB by releasing signaling molecules that control the permeability of the barrier.

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Answer:

The roots of the plant grow into the cracks of the rock forcing the rock to break.

Explanation:

Hope this helps

The term period describes the amount of time for one particle of the medium to make one complete vibration cycle.

The duration of a wave is the amount of time it takes for a particle in a medium to complete one full vibrational cycle. The duration of a cycle, as we know, is the length of time it takes for one vibration or rotation to occur. When an item passes the median position in both directions and returns to its starting position, it has completed one vibration or oscillation, which is known as to-and-fro motion.

In this sort of back-and-forth motion, one full vibration occurs in a single time interval, and the frequency of the vibration is measured in vibrations per second. As a result, a wave's period is the reciprocal of its frequency.

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The bivalve that was a keystone in Iowa, making sure the water stayed clean and filtered, is shellfish.

Shellfish is a term used to describe the fishes that have exoskeleton and are used to eat.

The shellfish is divided into two groups:

So, the molluscan are believed to keep the water bodies clean

Thus, the keystone species is shellfish.

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Answer: FALSE

Explanation:

The nervous system is the system that detects and responds to changes inside and outside the body. This system consists of the brain, the spinal cord and peripheral nerves. The structure and organisation of the tissues that form these components enables rapid communication between different parts of the body.

Parts of the nervous system includes:

--> Central Nervous System ( consists of the brain and spinal cord)

--> Peripheral Nervous System ( consists of nerves outside the brain and spinal cord).The two functional parts of the peripheral nervous system are made up of the sensory (afferent) and motor (efferent). The motor division is involved in activities that are voluntary (somatic nervous system) and involuntary (autonomic nervous system).

The somatic motor division consists of somatic motor neurons that innervates ONLY the SKELETAL MUSCLE for its voluntary actions while the autonomic motor neurons innervates the cardiac and smooth muscles. Therefore the statement is FALSE

Answer: (1) Phosphagen (2) Glycolytic and (3) Mitochondrial Respiration.

Explanation:

To sustain muscle contraction, ATP needs to be regenerated at a rate complementary to ATP demand. Three energy systems function to replenish ATP in muscle:

(1) Phosphagen

(2) Glycolytic and

(3) Mitochondrial Respiration.

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Muscles obtain their energy supply from different sources and here are different ways muscles obtain their energy supply: Carbohydrates - this is the most common source of energy for muscles and the body.

They can be converted to glucose for immediate use or stored as glycogen for later use. Fat - the body can use stored fat as an energy source for muscle activity. Fat is broken down into fatty acids and then transported to the muscles for energy production. Fat provides more energy than carbohydrates but is slower to break down. Protein - while protein is not the preferred energy source for muscles, it can be broken down into amino acids and used for energy when carbohydrate and fat stores are depleted. However, this can lead to the breakdown of the muscle tissue itself, so it is not an efficient or preferred source of energy. Lactic acid - during intense physical activity, the body may produce lactic acid as a byproduct of glucose metabolism. Lactic acid can be used as an energy source for muscles, but only for a short period of time. Once the body can no longer use lactic acid for energy, it is converted back to glucose in the liver for further use.

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A relatively large response to selection is observed, indicating: C. relatively high heritability for the trait under study.

In Science and Microbiology, an artificial selection can be defined as a process that typically involves the breeding of living organisms such as animals and plants in order to favor a desirable characteristic or trait.

This ultimately implies that, the passing on of traits or characteristics is generally determined by human choice in artificial selection, rather than in natural selection.

In this context, we can reasonably infer that a relatively large response to selection is observed shows a relatively high heritability for the trait that is being studied.

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Complete Question:

There is a heterogeneous population of fruit flies in a lab. In an artificial selection experiment, the fruit flies with a desired trait are interbred. A relatively large response to selection is observed, indicating

A. relatively low heritability for the trait under study.

B. heritability was too small to measure.

C. relatively high heritability for the trait under study.

D. no genetic contributions to the trait under study.

Answer:

adaptation

Explanation:

the roaches adapt to their small environment and get smaller due to evolution

Adaptive radiation is a rapid increase in the number of species with a common ancestor, characterized by great ecological and morphological diversity. The driving force behind it is the adaptation of organisms to new ecological contexts.

Adaptive radiation is a process in evolutionary biology in which animals rapidly diverge from an original species into a plethora of new forms, particularly when a change in the environment makes new resources accessible, affects biotic interactions, or opens up new environmental niches.

Beginning with a single ancestor, this process culminates in the speciation and phenotypic adaptation of a diverse range of species with varying morphological and physiological characteristics. The most famous example of adaptive radiation is bird speciation on the Galapagos Islands ("Darwin's finches"), although instances may be found all around the world.

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Answer:

Cells are responsible for the structures and functions of organisms.

Explanation:

The coefficient of snow is interpreted as "An additional inch of snow increases the number of people at SuperSki Ski slopes by 0.07 on average, holding all else constant." The correct option is option 2.

Regression model:

An explanation of the relationship between one or more independent variables and the target variable is provided by a regression model.

The output of a regression for the number of people (in thousands) at SuperSki Ski slopes.

                             Coefficients

Intercept                  0.39

Snow (inches)          0.07

Temperature          -0.08

Sunny                       0.05

Icy                            -0.02

The regression line is :

y = 0.39=0.07x₁ +(- 0.08)x₂ + 0.05 x₃ + (-0.02)x₄

If the slope of the line is positive then there is a positive linear relationship between i.e. if one increases, the other also increases.

When all other variables in the regression model are held constant (such as temperature, sunny conditions, and icy conditions), an additional inch of snow leads to an average increase of 0.07 in the number of people at the ski slopes.

Therefore, the correct option is 2.

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The following output is a regression for the number of people (in thousands) at SuperSki Ski slopes.

                            Coefficients

Intercept                  0.39

Snow (inches)          0.07

Temperature          -0.08

Sunny                       0.05

Icy                            -0.02

The coefficient on snow is interpreted as:

1. On average, holding all else constant, an additional inch of snow increases the number of people at SuperSki Ski slopes by 7

2. An additional inch of snow increases the number of people at SuperSki Ski slopes by 0.07 on average, holding all else constant.

3. An additional inch of snow increases people at SuperSki Ski slopes by 70 on average.

4. An additional inch of snow increases people at SuperSki Ski slopes by 0.7, holding all else constant.

Answer :

Harmful Mutations :

Imagine making a random change in a complicated machine such as a car engine. The chance that the random change would improve the functioning of the car is very small. The change is far more likely to result in a car that does not run well or perhaps does not run at all. By the same token, any random change in a gene's DNA is likely to result in a protein that does not function normally or may not function at all. Such mutations are likely to be harmful. Harmful mutations may cause genetic disorders or cancer.

Beneficial Mutations :

Some mutations have a positive effect on the organism in which they occur. They are called beneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment. Beneficial mutations are essential for evolution to occur. They increase an organism’s changes of surviving or reproducing, so they are likely to become more common over time.

Answer:

competition is a type of relationship where two animals that have the same niche will compete against each other for resources

Explanation:

just took the test ;)

Sex-linked traits are genes carried on the sex chromosomes, the X and the Y chromosome. Only males carry the Y chromosome, and therefore all genes on the Y chromosome are passed down to the son. Women carry two X chromosomes; therefore, sex-linked traits can be passed on from both the mother and the father.

Examples of sex-linked traits include red-green colour blindness and haemophilia.

In codominance, both alleles are expressed in the phenotype of heterozygous offspring. The human ABO blood group is an example of codominance.

There are three alleles for the ABO gene: IA, IB, and I (i is recessive to both IA and IB). If an individual is heterozygous for both the IA and IB alleles, they will express both A and B antigens on their red blood cells. If they are homozygous for either IA or IB, they will express only one antigen on their red blood cells.

Incomplete dominance occurs when neither allele is dominant nor recessive, but instead, the phenotype is a blend of both. An example of incomplete dominance is the snapdragon flower, which has a red flower and a white flower. When the red flower is crossed with the white flower, the resulting offspring have pink flowers, which is a blend of red and white. The genotype for pink flowers is Rr, where R represents the red allele, and r represents the white allele.

When two pink flowers are crossed, their offspring will have a ratio of 1:2:1 of red, pink, and white flowers.

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The  different parts of the sarcomere include:

A sarcomere is the basic contractile unit of muscle fiber.

Each sarcomere is known to be composed of two main protein filaments which is the actin and myosin.

The actin and myosin are the active structures responsible for muscular contraction. The most popular model that describes muscular contraction is called the sliding filament theory.

The structure of the sarcomere is traditionally described with dark and light bands which is visible under the microscope. This banding pattern in sarcomeres is due mainly to the arrangement of thick and thin myofilaments in each unit.

In conclusion, the main function of the myofibrils  found in the sarcomere is to produce a muscular contraction in which the filaments slide over each other. The contraction is induced at the neuromuscular junction via the neurotransmitter called acetylcholine.

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Answer:

B. These places once had a warmer climate.

Explanation:

They're fossils meaning they're extremely old therefore the climate they once grew in was suitable for its needs until the climate changed causing them to die.

Answer:

In animal field studies, why do scientists usually try to work without making the animals aware that the humans are present? It is necessary to observe the animals without disturbing them. When a controlled experiment is not possible, why do scientists try to identify as many relevant variables as possible?

Explanation:

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Answer:

In animal field studies, why do scientists usually try to work without making the animals aware that the humans are present? It is necessary to observe the animals without disturbing them. When a controlled experiment is not possible, why do scientists try to identify as many relevant variables as possible?

Explanation:

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