what is a defining characteristic in eukaryotic cells? What type of organisms have eukaryotic cells

Answer:

Explanation:

according to the bible those who accept Christ after death shall go to heaven where they shall be with God this is because the kingdom of heaven shall be entered through the door which is Jesus and no one hall go to the father unless through the son

If a vulture which is a scavenger, consumes remains of a racoon on the side of a highway, it will help to control environmental pollution and stop the spread of diseases by the dead animal.

Scavengers are organisms which feed on leftover or carcasses of dead organism. Example of a scavenger is the vulture.

Vultures feed on dead organisms or food that has been left over by other organisms.

Scavenging plays an important role by removing substances which may lead to spread of diseases from the environment.

Thus, if a vulture consumes remains of a racoon on the side of a highway, it will help to remove the carcasses which may serve as a breeding ground for diseases. It also helps to control environmental pollution.

In conclusion, scavengers like vultures help to control environmental pollution.

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anatomical - of or relating to the structure of the body; "anatomical features" anatomic. 2. anatomical - of or relating to the branch of morphology that studies the structure of organisms; "anatomical research" anatomic

Answer: D

Among the following, the monomer used to build a biological polymer is the amino acid.

Amino acids are the building blocks of proteins, which are biological polymers. Proteins are essential macromolecules involved in various biological processes.

Each amino acid consists of an amino group (NH₂), a carboxyl group (-COOH), and a side chain (R group) that varies between different amino acids.

Through a process called condensation or dehydration synthesis, amino acids join together through peptide bonds to form polypeptides, which further fold and combine to create functional proteins.

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Tropomyosin serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules.

Tropomyosin is an actin-based cytoskeleton protein with two stranded alpha helices and coiled coils.

All living things have organelles that keep their cells physically intact. The term "cytoskeleton" refers to this class of organelles as a whole, and one of the earliest known systems is based on filamentous polymers of the protein actin.

Tropomyosin, a second protein polymer, is a crucial component of the majority of animal actin filaments. Actin filament function is tightly regulated by a wide family of proteins called tropomyosin, which are present in both muscle and non-muscle cells.

These proteins are found along the helical groove of the majority of actin filaments as rod-shaped coiled-coil hetero- or homo-dimers. Along the length of the actin filament, dimers interact, aligning themselves head to tail.

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For low stringency hybridization in a Southern blot to find as many candidates as possible, an oligonucleotide probe of shorter length would be used.

In a Southern blot, the goal is to identify whether a specific gene sequence is present in the DNA being analyzed. Low stringency conditions are used to allow for less stringent binding requirements between the probe and the target sequence, increasing the chance of detecting related sequences with lower similarity. In this scenario, since it is believed that the gene sequence is not highly conserved between mouse and humans, selecting an oligonucleotide probe of shorter length would be more appropriate. Shorter probes tend to have lower specificity and can hybridize to a broader range of sequences, increasing the likelihood of detecting potential homologs in humans with less sequence conservation.

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Sutures have limited mobility or slight movement within their range.

The borders of a wound or incision are frequently held together during medical operations using sutures, also known as stitches. Sutures do permit some movement, despite being designed to hold the tissues in place and encourage healing.

This slight movement is intentional and serves a few purposes. Firstly, it accommodates the natural movements of the body without placing excessive tension on the wound, which can hinder healing. Secondly, it allows for drainage of fluids and minimizes the risk of fluid accumulation.

Lastly, the slight movement of sutures assists in reducing scar formation by distributing tension along the incision line. However, it is important to note that excessive movement or tension on sutures can compromise wound healing and should be avoided.

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Answer:

50% BB (black), and 50% Bb (black)

Explanation:

When you make the punnet square, you will get two BB, and two Bb. That will show you that the outcome of all the offspring will be black. There is 0% chance there will be a grey mouse because it is the recessive gene.

Answer:

I thought I just answered  I think its #1

Explanation:

Brainliest?

Plants provide shelter and shade from the sun which support the emergence of land animals. Therefore, option (B) is correct.

The area of the planet that is home to all forms of life, including animals, plants, and microorganisms, is referred to as the biosphere.

Because they are the main creators of all other organisms, plants have a significant place in the biosphere. This indicates that these organisms are the ones responsible for the production of organic compounds, which are then taken in by other creatures. They do this via a process known as photosynthesis, which utilises the light energy provided by the sun.

They provide shelter to many birds and animals like a home. Also, they provide food for birds, animals and human beings in the form of leaves, vegetables, fruits and roots

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Enzymes catalyze natural chemical reactions, using less energy. So the most likely role of enzymes in a chemical reaction is to reduce the amount of activation energy required for the reaction to proceed. Option C.

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Let us first describe and analyze the graphs

Now, we need to interprete these graphs. And to do so, let us review some framework.

Enzymes are catalytic intracellular molecules or polypeptides that accelerate different natural chemical reactions.

Enzymes have specific binding sites to substrate molecules and turn them into product molecules.  They are in charge of catalyzing cell metabolism.

When talking about catalysis, we refer to an acceleration process. Natural reactions occur with or without the enzyme, but

→ in the absence of enzyme, the reaction

→ in the presence of enzyme, the reaction

The activation energy is the needed energy to break the chemical bonds of reactants to produce new products. For this to occur, reactant molecules need to get to a transition state. So the activation energy is the amount of energy necessary for a reactant to reach its transition state.

The transition state always requires more energy than the reactants and products by themselves. This is why in the reaction curves, the highest peak corresponds to the activation energy.

Now we can make the following graphs interpretation:

The conclusion is that The enzyme reduces the amount of activation energy required for the reaction to proceed.

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Answer:

O₂

Explanation:

The chemical formula for oxygen is O2

A key characteristic of strepsirrhines is the rhinarium, which is a moist, hairless patch of skin at the end of their noses.

This structure is important for their sense of smell, as it contains specialized olfactory receptors that help them locate food and detect predators. Strepsirrhines are a suborder of primates that includes lemurs, lorises, and bushbabies, and they are distinguished from other primates by a number of features, including their reliance on smell, their nocturnal habits, and their dental formula.

The rhinarium is just one of the many adaptations that have allowed strepsirrhines to thrive in a wide range of environments, from the dense rainforests of Madagascar to the dry savannas of Africa.

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Answer:

Gulls, since they are the only predators shown for the green crabs.

a cell plate is formed

Hemoglobins are read on a photoelectric colorimeter in the laboratory while reading the hemoglobins a problem of drifting is encountered to access the problem the first thing to do is check the light source.

Polycythemia vera is a condition characterized by an increased number of red blood cells in the bloodstream. Affected people may also have too many white blood cells called platelets or blood-clotting cells. The main difference between the two is that AML affects the production of red blood cells and platelets in myeloblasts, whereas ALL mainly affects the production of lymphocytes.

A small sample of bone marrow is taken and examined under a microscope. This procedure is called a bone marrow biopsy. A doctor or nurse numbs the area of ​​the skin behind the hipbone before taking a sample of liquid bone marrow with a fine needle. Polycythemia vera is often diagnosed based on a routine blood count. Hemoglobin is the protein in red blood cells that carries oxygen.

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Answer:

need to know what u r asking

Explanation:

True. Some bacterial cells are resistant to a variety of antimicrobials because they actively pump the drugs out of the cell.

A significant resistance mechanism in Gram-negative bacteria is drug efflux. It expel solutes from the cell. Antimicrobials and metabolites are just a few of the hazardous compounds that Efflux pumps help bacteria remove from their interior environments so they can regulate it.

The main efflux systems in Gram-negative bacteria are members of the RND superfamily and typically consist of an outer membrane protein channel, a periplasmic protein, and a cytoplasmic membrane pump. The most common example is  MFS (such as Bmr and Blt in Bacillus subtilis) and the ABC transporters.

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Answer:

First passed in 1972, the Clean Water Act (CWA) serves to maintain chemical, biological and physical integrity of the navigable waters of the United States. The CWA made it unlawful to discharge any pollutant from a point source into navigable waters, unless a permit was obtained.

Explanation:

The defining characteristics of a condensation reaction are that two monomers are covalently bonded together and a water molecule is produced.

In a condensation reaction, two smaller molecules (monomers) react to form a larger molecule (polymer) by covalently bonding together. During this reaction, a water molecule is produced as a by-product. This process is also known as dehydration synthesis, because a molecule of water is removed during the reaction. This molecule of water is created from the removal of a hydrogen ion from one monomer and a hydroxyl ion from the other. Condensation reactions play an important role in the formation of large biological molecules, such as carbohydrates, proteins, and nucleic acids.

The reverse reaction, where a polymer is broken down into monomers by adding a molecule of water, is known as hydrolysis.

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Three cardiac effects of increased sympathetic activity include increased heart rate, increased contractility, and vasoconstriction. On the other hand, three cardiac effects of increased parasympathetic activity include decreased heart rate, decreased contractility, and vasodilation.

1. Increased sympathetic activity:

- Increased heart rate: Sympathetic stimulation leads to the release of norepinephrine, which binds to beta-1 adrenergic receptors in the heart, causing an increase in heart rate.

- Increased contractility: Sympathetic activation enhances the strength of cardiac muscle contractions, increasing the force of each heartbeat and cardiac output.

- Vasoconstriction: Sympathetic nerves release norepinephrine, which causes constriction of blood vessels, leading to increased peripheral vascular resistance and blood pressure.

2. Increased parasympathetic activity:

- Decreased heart rate: Parasympathetic stimulation, mediated by the vagus nerve, releases acetylcholine that binds to muscarinic receptors in the heart, slowing down the heart rate.

- Decreased contractility: Parasympathetic activation decreases the force of cardiac muscle contractions, resulting in a decrease in cardiac output.

- Vasodilation: Parasympathetic activity causes relaxation of blood vessel smooth muscles, leading to vasodilation, decreased peripheral vascular resistance, and lower blood pressure.

These effects of increased sympathetic and parasympathetic activity play crucial roles in regulating cardiac function and maintaining cardiovascular homeostasis in response to various physiological demands.

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Ecological species concept might differentiate species on the basis of specific dietary requirements.

Ecological species concept is the one that classifies organisms on the basis of the resources and the niches they share. The advantage of this classification is that each organism remains its own niche and therefore can functional properly in its environment. The concept of given by Ernst Mayr.

Species is the lowermost level of classification in the taxonomical hierarchy. It is comprised of species that possess nearly similar kind of characteristics. They are also able to mate with each other to produce fertile offspring.

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The correct option is (b) Two strata

Typically, sedimentary rocks are found in horizontal layers known as strata.

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Answer:

1D 2A

Explanation:

Answer:

1.) Carbon Dioxide is being used as a greenhouse, preventing the heat from turning into thermal radiation into space.

Answer: true

Explanation:

Since Ace's operating cycle is 14 months. this note would be considered option D: non-current Liability on the balance sheet.

The long-term financial obligations or debts that are listed on a company's balance sheet are known as non-current liabilities. The term "long-term liabilities" also applies to these.

Debts owed by a company that aren't due for at least a year are known as non-current liabilities. Another name for them is long-term liabilities. It's critical for a company to keep track of its non-current liabilities even though payment may not be required for a year.

Hence, Any debts or other financial obligations that can be paid off after a year are referred to by the term "non-current liabilities" in the definition. Examples of common ones could range from pension benefits to long-term home rentals and deferred tax payments.

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Answer:

It is D= detergents is the correct answer