process by which mrna directs the synthesis of a protein?

Answer:

Enzymes bring reactants together so they don't have to expend energy moving about until they collide at random. Enzymes bind both reactant molecules, called the substrate, tightly and specifically, at a site on the enzyme molecule called the active site

Explanation:

Answer:

blood hormone level will increase

Explanation:

since once food reach the stomach it will trigger different hormone process that cause release of enzymes required to digest carbohydrate

After ingesting a plate of pasta, which is rich in carbohydrates, the levels of insulin increases and glucagon decreases in the blood.

The hormone insulin and glucagon work in a negative feedback loop. At the time of digestion, the foods, which comprise carbohydrates are transformed into glucose. The majority of this glucose is sent to the bloodstream, resulting the elevation of blood glucose levels.

This enhancement in the levels of glucose in the blood signals the pancreas to generate insulin, and reduce the levels of glucagon in the blood. After some hours, glucagon works to counterbalance the activities of insulin.

After five to six hours, the levels of glucose in the blood decreases due to the activity of insulin, this instigates the pancreas to generate glucagon.

Thus, after eating carbohydrate rich food, the levels of insulin increases in the blood and glucagon decreases.

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In DNA base pairing, adenine always pairs with thymine, and guanine always pairs with cytosine. Adenine is also one of the bases in RNA. There it always pairs with uracil (U). The base pairs in RNA are therefore A-U and G-C.

Using of drugs that prevent IgE from binding to their receptors on basophils and mast cells - thistreatment will help minimize these reactions

Omalizumab(Omalizumab injection is in a class of medications called monoclonal antibodies. It works by blocking the action of a certain natural substance in the body that causes the symptoms of allergic asthma, nasal polyps, and hives.) is a recombinant humanized IgG antibody that recognizes the Fc portion of IgE. Its affinity for free IgE is greater than that of IgE for its receptor so it can effectively compete for free IgE and prevent its binding to cell surface FcϵRI.

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If eye color exhibits autosomal (non-sex chromosome) inheritance. Then, in this case we have 100% red eyes and 0% white.

Let's suppose a cross between large number of white-eyed females with red-eyed males. Then considering two separate cases:

Case 1: Eye color exhibits sex-linked inheritance Case 2: Eye color exhibits autosomal (non-sex linked) inheritance. (In this case, assume that the red-eyed males are homozygous )

For each of this case, predict that how many of the male and female offspring would have red eyes and white eyes.

In Case 1: Eye color exhibits sex-linked inheritance If there were 100 female offspring would have red eyes and zero would have white eyes. If there were 100 male offspring zero would have red eyes and 100 would have white eyes.

And in Case 2: Eye color exhibits autosomal (non-sex-linked) inheritance. If there were 100 female offspring, 100 would have red eyes and zero would have white eyes. If there were 100 male offspring 100 would have red eyes and zero would have white eyes.

So, in this case we have 100% red eyes and 0% white.

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Answer:

Detail is given below.

Explanation:

First of all we will understand the pH.

pH:

pH is the negative log of hydrogen ion concentration.

pH = -[logH⁺]

It means when the  ions concentration increases pH will be low and when H⁺ concentration ions decreases pH will be greater. The pH range is 0-14.

If the pH is 7 the solution is neutral, if it is less than 7 the solution will be acidic and above 7 the solution is basic.

when CO₂ is added with water carbonic acid is formed and yield H⁺ ions which decreases the pH thus its color changes from red to yellow just like phenolic indicator. When phenol red is added into the acidic solution the color changes from red to yellow.

and when carbon dioxide is take off from photosynthesis process it means H⁺ ions are going to be decreased thus color changes from yellow to red.

CO2 combines with water to form carbonic acid. This decreases the pH leading to a yellow color of phenol red.

Phenol red is an indicator that has a red color in a basic medium and a yellow color in an acidic medium.

Given that the following reaction occurs; CO2(g) + H2O(l) ------> H2CO3(aq), the pH of the systems drops to a value less than 7 (acidic).

As a result of this, a yellow color is observed with phenol red.

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Answer:

\(63^{3}\)

Explanation:

Answer:

the process of release of a mature ovum by an ovary is ovulation

The resistance is highest in the smaller conducting airways, specifically in the bronchioles, which are the smallest airways in the lungs.

The bronchioles are lined with smooth muscle, which can constrict or relax to adjust airflow resistance. When the smooth muscle contracts, the airway diameter decreases, and the resistance to airflow increases. This is known as bronchoconstriction, which can occur in response to various stimuli such as allergens, irritants, and exercise.

Additionally, the bronchioles lack cartilage support, which makes them more prone to collapse under negative pressure. Therefore, given that the resistance varies in Mike's conducting airways, the highest resistance is likely to be in his bronchioles, which are the smallest airways with smooth muscle and lack of cartilage support.

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Answer: B

Explanation:

The parts that are part of the cell membrane are Proteins and Fats. The correct option is C.

The cell membrane is the outer covering of the cell that separates the internal cell from the outer environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.

The cell membrane is made up of two components, they are proteins and fats. Fats have hydrophobic ends that do not dissolve in water, and they give strength to the membrane.

Protein is of two types that are present in the cell membrane. They are integral membrane protein, which is present permanently, and peripheral membrane protein, which is present at some point in the membrane.

Thus, the correct option is C. Proteins and Fats.

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The true statements about inhibitory postsynaptic potentials (IPSPs) are:

- The postsynaptic cell hyperpolarizes.

- Chemically gated cation channels open and chloride enters.

Inhibitory postsynaptic potentials (IPSPs) are the opposite of excitatory postsynaptic potentials (EPSPs) and play a crucial role in regulating neuronal activity. When an inhibitory neurotransmitter binds to its receptors on the postsynaptic membrane, it triggers a series of events that lead to the generation of an IPSP.

1. The postsynaptic cell hyperpolarizes: The opening of chemically gated ion channels allows negatively charged ions, such as chloride (Cl-), to enter the cell or positively charged ions, such as potassium (K+), to exit the cell. This influx or efflux of ions causes a shift in the membrane potential, resulting in hyperpolarization. Hyperpolarization refers to an increase in the negativity of the cell's internal environment, making it more difficult for the neuron to reach its threshold and generate an action potential.

2. Chemically gated cation channels open and chloride enters: Inhibitory neurotransmitters typically bind to receptors that are linked to chemically gated ion channels. These channels allow the flow of specific ions in response to neurotransmitter binding. In the case of IPSPs, the opening of these channels allows negatively charged chloride ions to enter the cell. The influx of chloride ions further contributes to the hyperpolarization of the postsynaptic membrane.

Therefore, the true statements about IPSPs are that the postsynaptic cell hyperpolarizes and chemically gated cation channels open, allowing chloride ions to enter the cell.

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Answer:

I believe all living organisms can

Explanation:

Yes, all living organisms are able to respond to stimuli in their environment (stimuli= temps, gravity, and lighting)

She creates the Punnett square cross below to show sex inheritance. She come to know that both parent determines the sex of a baby and it is when you put xx and xy on a punnet square there are equal amounts male and female.

Human sex gets decided by the function of SRY gene which possessed by with or without of Y chromosome. The hormone of anti-mullerian and testosterone produced from cells when activating the SRY gene. It generally confirms the development of single-male reproductive systems.

The scenario in humans, the sex ration gets affected by the male parent's hormone level. Also, in XY sex evaluation system, the sperm of male takes part in X or Y chromosome whereas the ovum from female contributes to X chromosome. This greatly results in offspring - either male (XX) or female (XY).

Therefore, She creates the Punnett square cross below to show sex inheritance. She come to know that both parent determines the sex of a baby and it is when you put xx and xy on a punnet square there are equal amounts male and female.

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рH is the factor that does not influence a reaction rate.

Reaction rate or rate of reaction is the rate at which a chemical reaction occurs and is defined as proportional to the increase in concentration of products per unit time and the decrease in concentration of reactants per unit time. Reaction rates can change dramatically.

Reaction rate or velocity can be defined as the change in concentration of one of the reactants or products per unit time.

Rate of reaction = Δconcentration/Δtime

According to the common definition, reaction rate is the speed at which a reaction occurs. For example, burning wood has a fast reaction speed, so the reaction speed is fast, and rusting iron has a slow reaction speed, so the reaction speed is slow.

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Answer:

Can I get the brainliest?lol

Answer:

A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. Substances are either chemical elements or compounds.

Answer:

The statement "The force of gravitation is found only on earth" is false about gravitational force.

Explanation:

Gravity is a universal force of attraction between all objects with mass. It is not limited to just Earth and is present everywhere in the universe.

Answer:

production of blood cells is called

hematopoiesis

Alpha-linolenic acid and linoleic acid are Polyunsaturated fatty acids (PUFA). These amino acids contain multiple unsaturated bonds.

Polyunsaturated fatty acids (PUFA) are the fatty acids which contain more than one double bond in their backbone structure. This class of fatty acids include many important compounds, such as essential fatty acids and those which give drying oils their characteristic property.

Essential fatty acids are the fatty acids which cannot be synthesized in the body. Alpha-linolenic acid and linoleic acid are the polyunsaturated fatty acids (PUFAs) which are present in the food.

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2 ATPs are generated from glucose 6-phosphate during the glycolytic pathway.

The glycolysis pathway, which is a series of enzyme-mediated steps, is used to metabolize G6-P in the cytoplasm of the cell. The first step of glycolysis is the isomerization of glucose-6-phosphate (G6P) into fructose-6-phosphate, which creates triose-phosphate and two pyruvate molecules as well as a small amount of ATP (net gain of 2 ATP molecules). The majority of ATP is then produced by the aerobic oxidation of pyruvate in differentiated cells. Although glucose is frequently regarded as the primary energy source for cells, it is actually primarily a major supply of carbon skeletons for cell growth and survival. Indeed, under some circumstances, particularly during prolonged fasting or during cell proliferation, glucose oxidation to CO₂ to provide energy should be avoided to allow the delivery of essential functions.

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Based on the information provided, you can conclude that the hamstring muscles are doing positive work.

The work performed by the hamstring muscles helps absorb and dissipate the impact forces, reducing the stress on other joints and muscles involved in the landing.

Therefore, in this scenario, the hamstring muscles are doing positive work.

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The energy from these high-energy electrons ends up in ATP molecules.

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A fungal infection called blastomycosis dermatitidis is brought on by inhaling the fungus' spores. It is most frequently discovered in places like forested regions, riverbanks, and lakeshores that have moist soil, decomposing organic matter, and high humidity.

The infection is mainly found in the United States and Canada, with the Great Lakes region, the Mississippi River basin, and the southeastern United States reporting the highest prevalence rates. People who spend time outdoors in places where the fungus is frequently present, such as hunters, campers, hikers, and construction workers, are at risk for blastomycosis dermatitidis. The chance of having blastomycosis is also higher in those whose immune systems are compromised, such as those who have cancer or HIV/AIDS.

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First of all, we need to do the Punnet square to determine what will be the offspring genotype:

As we can see on the Punnet square, we have 4 different possible genotypes for the offspring, and in this case in particular, each genotype corresponds to a specific phenotype too, because this characteristic is linked to a sex chromosome.

We then have half the offspring blind, but half of it are women (25% out of the total offspring) and a half are men.

Also, we have the other half of the offspring not blind, with half of it being women and the other half being men.

Correct option C) amphipathic, with at least one hydrophobic region.

For a protein to be an integral membrane protein, it would have to be amphipathic, with at least one hydrophobic region.

Integral membrane proteins which at least one trans membrane domain that crosses the lipid bilayer. permanently embedded within the plasma membrane. Integral membrane proteins are proteins which might be connected to the cytoplasmic membrane. This organization consists of trans membrane proteins, which pass the membrane of a cell.

There are also important functions such as channeling or transporting molecules across the membrane. Other integral proteins act as cell receptors.All integral membrane proteins have a similar structural motif with a hydrophobic domain.

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The age range (include ±) during which the first adult (permanent) teeth erupt is 6 to 7 years old.

A child's tooth will usually start to loosen when their adult teeth grow beneath it. The adult tooth pushes the baby tooth out as it erupts. When the root of a tooth begins to break down, it becomes loose. As a result, it will simply fall out and be replaced by an adult tooth. The primary teeth are lost as the child grows, and they are replaced by the permanent teeth.

The roots of the primary teeth are resorbed by the body as the permanent teeth form, causing the primary teeth to loosen and ultimately fall out. The adult teeth then take their place. The first adult teeth to emerge are usually the molars.

The first adult teeth to erupt are the first molars, which are typically found in the back of the mouth. The second molars follow shortly after the first ones. The incisors and canines emerge in the front of the mouth after the molars. In conclusion, the age range (include ±) during which the first adult (permanent) teeth erupt is 6 to 7 years old.

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In the given structure T represents Guard cells while Q represents Stoma.

The structures represented by points T and Q in the illustration below are found in the lower epidermis of a plant leaf. Point T represents a guard cell, and point Q represents a stoma (also called a stomatal pore). The response shown in the illustration is most likely due to the lack of available water.

Guard cells are specialized cells found in the lower and upper epidermis of leaves in plants. They are responsible for regulating the opening and closing of stomata, which are tiny pores on the surface of leaves that allow for gas exchange between the plant and the environment.

Guard cells are kidney-shaped and contain chloroplasts, which enable them to photosynthesize and produce energy for their function. When they are turgid (swollen with water), the stomata open, allowing for the exchange of gases such as carbon dioxide, oxygen, and water vapor. When they are flaccid (lacking water), the stomata close, preventing water loss and conserving water within the plant.

The opening and closing of stomata is regulated by changes in turgor pressure within the guard cells, which is influenced by environmental factors such as light, temperature, humidity, and carbon dioxide levels. Guard cells play a crucial role in plant survival by maintaining the balance between gas exchange and water conservation.

Stomata (singular: stoma) are tiny pores or openings found in the leaves, stems, and other above-ground parts of plants. Stomata are surrounded by a pair of specialized cells called guard cells that regulate their opening and closing.

Stomata are the main sites for gas exchange in plants, allowing for the uptake of carbon dioxide needed for photosynthesis, and the release of oxygen produced during photosynthesis. They also play a role in transpiration, which is the loss of water vapor from the plant through its leaves.

The number and distribution of stomata on a plant can vary depending on factors such as species, age, and environmental conditions.

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Answer:

1

Explanation:

In beetles, the extinction rate is higher than the origination rate.

A is the correct answer.

Whatever the case, scientists concur that the current extinction rate is hundreds or perhaps thousands of times higher than the normal background rate. According to the fossil record, the annual average rate of extinction is roughly one species for every million species.

Humans pose the greatest danger to the species on our planet. The population of our planet is growing by millions every year. Since so many people are exploiting resources, there are fewer resources left for other species on Earth.

Three primary anthropogenic factors—overhunting or overharvesting; introduction of nonnative species, including the spread of disease; and habitat degradation or loss—are responsible for habitat loss, species endangerment, and extinction. All three causes likely played a role in both ancient and modern times.

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