Help with number 3 !!!

Answer:

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

Shock is a defense response

The hormone released is adrenaline

But the body also releases the hormone (chemical) adrenaline and this can reverse the body's initial response. When this happens, the blood pressure drops, which can be fatal.

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The epinephrine signal response in cells:1. Receptor activation2. G protein activation of adenylyl cyclase3. cAMP activation of PKA4. PKA phosphorylation of glycogen phosphorylase kinase (GPK)

Receptor activation: The binding of epinephrine to the receptor on the cell membrane activates the receptor. G protein activation of adenylyl cyclase: The activated receptor interacts with the G protein, which in turn activates adenylyl cyclase. cAMP activation of PKA: Adenylyl cyclase converts ATP to cAMP. cAMP activates PKA.PKA phosphorylation of GPK: PKA phosphorylates GPK.

Glycogen phosphorylase kinase (GPK) is a kinase that phosphorylates glycogen phosphorylase. When GPK is phosphorylated, it can activate glycogen phosphorylase, leading to the breakdown of glycogen into glucose-1-phosphate, which can be used by the cell for energy.
The steps that amplify the epinephrine signal response in cells are:

1. Receptor activation of G protein: Epinephrine binds to its specific receptor on the cell membrane, leading to the activation of the G protein.
2. G protein activation of adenylyl cyclase: The activated G protein stimulates the enzyme adenylyl cyclase, which converts ATP to cyclic AMP (cAMP).
3. cAMP activation of PKA: The increased cAMP levels activate protein kinase A (PKA) by binding to its regulatory subunits and causing a conformational change.
4. PKA phosphorylation of glycogen phosphorylase kinase (GPK): PKA then phosphorylates and activates GPK, which in turn activates glycogen phosphorylase, leading to the breakdown of glycogen to glucose.

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Mary's blood glucose measurement in grams per milliliter is \(87\)×\(10^{-3}\) g/mL.

Glycemia is the concentration of glucose in the blood of humans and other animals. It is also known as blood sugar level, blood sugar concentration, or blood glucose level. A 70 kg human's blood plasma contains around 4 grams of dissolved glucose, a simple sugar, at all times.

A blood glucose level of 4 grams, or about a teaspoon, is required for appropriate function in a variety of tissues in humans, and the human brain uses around 60% of blood glucose in fasting, inactive persons. A sustained rise in blood glucose levels causes glucose toxicity, which contributes to cell malfunction and the pathology known as diabetic consequences.

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Your DNA, or genetic material, is divided up into discrete units called genes. Your hair colour and other characteristics that make you who you are are determined by your genes. Alleles are various variants of a gene.

So, let's assume that a single gene determines a person's hair colour. This gene's several alleles include "blonde hair," "red hair," and "brown hair." Brown hair results from having the gene's brown allele. You have blonde hair if you carry the blond allele. Additionally, if you carry the red gene, your hair is red.

However, it's not so easy because each gene has more than one allele. Actually, you have two: one from each parent, your mother and father. Red or blonde hair's DNA is not as robust as brown hairs. Your two alleles must both be blonde in order to have blonde hair. Red hair is the same way. These qualities are recessive. Red and blonde hair have DNA that is almost equal in strength. Those with two types of DNA frequently have strawberry blonde hair.

The genotype of the parents must be Hh. Since they had a kid with a recessive trait with 2 parents who have the dominant trait, they both must carry the recessive trait. The probability was 1/4 or 25%. They possible genotypes are HH,Hh,hH,hh.

Therefore, these are all controlled by the genes of the parents.

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Answer:

1 is

Explanation:

no. 1 is water cycle

no.2 is food chain

no.3 is carbon-oxygen cycle

no.4 is mineral cycle

Answer:

Not too sure about this but I think it would cause extinction  

Explanation:

Without reproduction, there would be no offsprings and eventually the older generation of that species would die out.

Answer:

Cellular Energy

Explanation:

Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration. Cellular energy is required to acheive this movement.

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Answer: transfer of electrons

Explanation:

A purebred organism is one that passes down the same features from generation to generation.

An organism's genotype is formed up of the alleles it possesses together. The genotype of an organism is referred to as homozygous or heterozygous depending on whether the paired alleles are the same or different.

Clone, usually spelled clon, is a term used to describe a cell or creature that is genetically identical to the source cell or organism. The term "clone" comes from the Greek word "klon," which means "twig."

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Question:

Which of these is an organism that produces the same traits in

each generation?

a. hybrid

b.pea plant

C. chromosome

D. purebred

Proton pump inhibitors (PPIs) are medicines that doctors often give to lower the amount of acid made in the stomach.

These medicines are often given to patients who have had a heart procedure and are taking medications to prevent blood clots in their heart arteries. But, some people are worried that PPIs might affect how well antiplatelet strategies work.

So, Many studies have looked into how PPIs might interact with certain medications, like ticagrelor and aspirin, after a heart procedure called PC.

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Answer

A. Blood group

Explanation

B

Answer:

C is correct because angiosperms are the only organisms in the plant kingdom that create flowers.

Explanation:

A is incorrect because gymnosperms (conifers, cycads, ginkgo) also bear seeds.

B is incorrect because the majority of extant plants are vascular plants.

D is incorrect because the gametophyte in angiosperms is significantly reduced in size compared to that of gymnosperms.

The nervous system is ideal for crisis management because various parts of our nervous system like hypothalamus, the sympathetic nervous system, etc deal with this so-called crisis.

The amygdala, a part of the brain involved in processing emotions, sends a distress signal to the hypothalamus when a stressful event occurs. The nervous system acts as a command centre for this part of the brain, which communicates with the rest of the body to provide the person the strength to fight or run away.

The autonomic nervous system, which regulates such automatic bodily processes as breathing, blood pressure, heartbeat, and the expansion or contraction of important blood vessels and tiny airways in the lungs known as bronchioles, serves as the hypothalamus' conduit for communication with the rest of the body.

The two components of the autonomic nervous system are the sympathetic and parasympathetic nervous systems. Sympathetic nervous system controls movement.  It activates the body's fight-or-flight response, giving it a burst of energy to respond to incoming dangers. The parasympathetic nervous system encourages the "rest and digest" reaction, which soothes the body when a threat has passed.

The sympathetic nervous system controls the body's quick, automatic reaction to danger or stress. In certain circumstances, the sympathetic nervous system activates to quicken the heartbeat, increase blood flow to parts of the body that require it, or take other actions to help the person escape harm.

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... the higher air pressure will be.

The more collisions there are between gas molecules, the higher the air pressure will be.

Air pressure is the force exerted by the weight of air on any object in the atmosphere. The air around us is made up of tiny gas molecules that are constantly in motion and colliding with each other and with the surfaces around them. These collisions create a force that we experience as air pressure.

When there are more collisions between gas molecules, this means that there is a greater force being exerted on the surrounding surfaces, which translates to a higher air pressure. This can happen in a variety of situations, such as when the temperature increases, when there is more gas in a container, or when the volume of the container decreases.

For example, imagine a balloon filled with air. If you were to heat the balloon, the gas molecules inside would start moving faster and colliding more frequently, resulting in a higher air pressure inside the balloon. This can cause the balloon to expand or even burst if the pressure gets too high.

In summary, the more collisions there are between gas molecules, the higher the air pressure will be, and this can have a variety of effects on the surrounding environment.

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Answer: B is the answer. Hope this helps!

Newton's First Law, the Law of Inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Motion is the physical movement of an object that changes its position over time. It can be linear or circular, and can occur in a straight line or an arc. Motion is a fundamental part of the physical world and is studied in many branches of science, including physics, astronomy, and mathematics. In physics, motion is studied in terms of displacement, velocity, acceleration, time, and energy. Motion can be represented graphically with the use of graphs and diagrams. Motion can also be expressed in terms of equations and mathematical formulas. Motion is an important factor in the understanding of the laws of physics, and in the application of engineering principles. Motion is also used to describe the motions of objects in the universe, such as planets, stars, and galaxies. Motion is also used in everyday life and is used in sports, transportation, and entertainment.

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Answer: It could have a temperature difference or could be the same temperature

Explanation:

If all enzymes work at different temperatures some enzymes might work at 38 degrees C or 37 degrees c etc.

Based on the information provided, it can be inferred that Enzyme 2 is most active at a temperature different from 37 degrees Celsius, the body temperature of humans.

Enzyme activity refers to the ability of an enzyme to catalyze a chemical reaction. Enzymes are proteins that facilitate chemical reactions in the body, and they do so by lowering the activation energy required for the reaction to occur. This allows the reaction to proceed more quickly and efficiently.

Enzyme activity can be affected by various factors, including temperature, pH, and the presence of specific substrates or inhibitors. Different enzymes have optimal temperatures at which they function most efficiently, and these can vary widely depending on the enzyme and the organism in which it is found.

Some enzymes are more stable and can function over a wide range of temperatures, while others are less stable and may be denatured or become inactive at higher or lower temperatures

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Answer:

its c

Explanation:

because it has a definition on it

Natural selection, driven by environmental pressures and competition for limited resources, causes individuals with favorable genotypes to have higher reproductive success, leading to increased fitness in subsequent generations.

In more detail, individuals within a population exhibit genetic variation due to random mutations and genetic recombination. Some of these variations may confer advantages or disadvantages in terms of survival and reproduction in a particular environment. Individuals with genotypes that are better suited to their environment are more likely to survive, reproduce, and pass on their genes to the next generation. This process, known as natural selection, leads to the differential reproductive success of individuals with different genotypes. Over time, advantageous traits become more prevalent in the population, promoting increased fitness and adaptation to the environment.

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Answer:

solute

Explanation:

A concentration gradient is a CHANGE of concentrations between two regions.

Diffusion is the movement of a substance from an area of higher concentration to an area of lower concentration.

Passive transport refers to a type of transport across biological membranes in favor of a concentration gradient.

This movement (passive transport) is facilitated by membrane proteins known as carriers.

In conclusion, a concentration gradient is a CHANGE of concentrations between two regions.

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RNA polymerases are the enzymes involved in transcription. RRNA makes up the majority of a RNA in cells; mRNA makes up about 3-5% of a cell's total RNA.

To create a fresh, complementary RNA molecule, RNA polymerase employs a single Stranded dna (the template to make) as a template. Termination is the procedure that puts a stop to transcribing. The RNA sequences that indicate that the translation is finished rely on termination. Where does the transcription of a gene to mRNA by RNA polymerase start? It begins following a certain nucleotide pattern known as a promoter. What role does RNA polymerase play? The expanding strand of RNA receives nucleotides as the double helix is unwound. RRNA genes are transcribed by RNA polymerase I, mRNA, miRNA, snRNA, or snoRNA genes are transcribed by RNA polymerase II, while tRNA & 5S rRNA genes are transcribed by RNA polymerase III. Answer and justification Comparisons between DNA and RNA A Template dna strand is needed for polymerases.

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Answer:

Sure

Explanation:

The different macromolecule polymers and their monomers are as follows:

The primary component of carbohydrates is glucose.

Polysaccharides are carbohydrates composed of many monosaccharide monomers.

Polysaccharides are divided into two categories: storage and structural.

Cellulose, for example, is a structural polysaccharide found in plant cell walls, while glycogen is a storage polysaccharide found in animal cells.

Amino acids are the monomers that make up proteins. Proteins are composed of up to four levels of structural complexity. The sequence of amino acids, the polypeptide chain's shape, the interaction of different polypeptide chains, and the final functional structure are the four levels of organization.

Lipids, unlike carbohydrates and proteins, do not have a unique monomer that makes up their structure. Instead, lipids are made up of fatty acids and glycerol molecules. The difference between a fatty acid and a glycerol molecule is that fatty acids have a long hydrocarbon chain, while glycerol does not.

Nucleotides are the building blocks of nucleic acids. Nucleotides are composed of a sugar, a phosphate group, and a nitrogenous base. DNA and RNA are examples of nucleic acids, and they both have different nucleotide base sequences.

DNA is an example of a nonpolar macromolecule because it is primarily composed of hydrophobic base pairs, whereas RNA is polar because it is composed of hydrophilic base pairs.

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Complete question

what are the different macromolecule polymers and their monomers? which are non polar and which are polar- carbohydrate, protein, lipid, nucleic acid.

Factors such as initial velocity, launch angle, distance to rescue ship, and acceleration due to gravity needed to be considered, and unique circumstances such as the assumption of no external factors and level surface were considered in predicting the height of the flare.

To make the prediction, several factors needed to be considered, such as the initial velocity and launch angle of the flare, the distance to the rescue ship, and the acceleration due to gravity.

These factors were used to calculate the time it would take for the flare to reach the rescue ship and the height of the flare when it is directly above the ship.

Additionally, some unique circumstances needed to be considered, such as the assumption that the flare was launched from a level surface and there were no external factors affecting its trajectory, such as wind or air resistance.

These assumptions allowed for a simplified calculation of the height of the flare and may not necessarily reflect the actual height in a real-world scenario.

It's also important to note that in a real-world rescue situation, the flare's trajectory and height could be affected by various environmental factors.

And the rescuers would need to take these factors into account when determining the flare's location and the direction of the rescue operation.

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Explanation:

Scavengers are preys that feed on fresh deadly meat

Answer:

Dead meat

Explanation:

They feed on leftover meat left by carnivores

Answer:

the process through which green plants make their own food with the help of sunlight is called as photosynthesis.

Answer:m

Explanation:

As you are walking down the beach, you see a dead, dry, shriveled-up fish. The layer of your epidermis that keeps you from drying out is the A)stratum corneum.

What is the epidermis?

The epidermis is the outermost layer of skin that provides a barrier between the body and the environment. It is a stratified squamous epithelium that consists of four or five layers of cells that gradually move up to the surface.

The outermost layer is called the stratum corneum.

The stratum corneum of the epidermis is the outermost layer of dead, keratinized cells that serve as a protective barrier to keep the body from drying out.

The stratum corneum consists of flat, dead, keratinized cells that have lost their nucleus and are filled with keratin, a fibrous protein that gives the skin its strength and flexibility.

This layer is constantly shedding and renewing itself to keep the skin healthy and functioning properly.

Thus, the correct option is A) stratum corneum.

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The less poisonous newts in the population were more vulnerable to predation, and as a result, a higher proportion of them died. On the other hand, the more poisonous newts were better protected against predators and were more likely to survive.

The statement "The less poisonous newts died and the more poisonous ones lived" can be made more accurate by adding more detail about the context in which this occurred. Here's one possible revision:

In a population of newts, some individuals are more poisonous than others. When a predator is introduced to the habitat, the less poisonous newts are more vulnerable and more likely to be eaten. As a result, the less poisonous newts are dying off, while the more poisonous ones are surviving at a higher rate, because their toxicity makes them less appetizing to the predators.

So, in this situation, the less poisonous newts are experiencing higher mortality rates, and the more poisonous ones are experiencing higher survival rates.

This process is an example of natural selection, where certain traits provide a selective advantage and become more prevalent in a population over time.

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A high tide will occur on both sides of the Earth at the same time, the correct option is C.

The tidal force causes Earth and its water to bulge out on the sides closest to and farthest from the moon. These water bulges are high tides.

The Moon's gravitational pull is pulling on the Earth and the ocean on the sides facing the Moon. The Earth compensates for the Moon's pulling by bulging out both toward and away from it.

Thus, the correct option is C.

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