RNA has a different nitrogenous base. This" different" base pairs with Adenine meaning RNA base pairs are represented (A-U & C-G). What is the name of the nitrogenous base only found in RNA

A. Thymine
B. Uracil
C. Cytosine​

It will affect the plant growth entirely. If it is a plant that needs sunlight to grow it will not grow but if it is a plant that needs shade it will depend on the hade to grow

Explanation:

The total amount of matter in the ecosystem basically 'remains the same. The matter is recycled in the ecosystem, so its total amount is not changed'.

What do you mean by ecosystem?

An ecosystem is a community of living organisms (plants, animals, and microbes) and their physical environment interacting as a system. The complex network of interactions between the living organisms and their environment, including their interactions with one another, is known as an ecosystem.

Matter is a finite resource, meaning that it cannot be created or destroyed. When a raccoon eats a beetle, the matter that makes up the beetle's body is transferred to the raccoon, but it does not leave the ecosystem. The matter is simply being recycled and reused in the ecosystem. This means that the total amount of matter in the ecosystem remains the same, even though the material is being used by different organisms.

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Answer:

C. Organs are composed of tissues , which are composed of cells .

The animals are generally organized in a fashion that, the organism is composed of organs, which are composed of tissue, and tissues are composed of cells. So, option C is correct.

The cells are called the building block of life and come last under this hierarchy.

The hierarchy which follows the organization structure of cells, tissues, and organs follows the given criteria :

The cells are made up of cellular organelles, which are organized in a fashion that is required for the specific function of a cell.

The collection of a group of cells having the same physiological structure and function makes up the tissue.

The tissues with the same function and structural organization collectively make up the organs.

The different kinds of organs, contributing to myriads of functions of the body, make up a human body, live and well functioning.

Therefore, option C is correct.

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In Punnett Square, a grid and letters are used. Lowercase letters correspond to recessive alleles, while capital letters signify dominant alleles.

The known genotypes of each parent are displayed using this tool to aid in predicting the potential genotypes of their offspring. It demonstrates how alleles are inherited or transmitted from parents to offspring.

It is frequently utilized in monohybrid and dihybrid crosses, where the theoretical results are predicated on the assumptions of segregation and independent allele distribution (according to Mendelian inheritance).

A tool that aids in displaying all potential allele pairings of gametes in a cross of parents with known genotypes in order to forecast the likelihood that their kids would carry specific allele combinations.

Therefore, In Punnett Square, a grid and letters are used. Lowercase letters correspond to recessive alleles, while capital letters signify dominant alleles.

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Answer:substrate

Explanation: The enzyme 's active site binds to the substrate. Increasing the temperature generally increases the rate of a reaction, but dramatic changes in temperature and pH can denature an enzyme, thereby abolishing its action as a catalyst.

Answer:

The Substrate.

Explanation:

The enzyme 's active site binds to the substrate. Increasing the temperature generally increases the rate of a reaction, but dramatic changes in temperature and pH can denature an enzyme, thereby abolishing its action as a catalyst.

https://courses.lumenlearning.com/boundless-biology/chapter/enzymes/#:~:text=The%20enzyme%20's%20active%20site,its%20action%20as%20a%20catalyst.

Plus I took the test on k12.

Answer:

animate is the answer I think

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In the case of the children in (III-A) and (III-E) not getting the disease when both of their fathers had the disease, there are several potential explanations for why this could have occurred.

One possibility is that the children were exposed to the same form of the disease, but that the form of the disease they were exposed to was not as strong or as virulent as the form of the disease their fathers had. This could be due to differences in the strain of the disease, or even due to differences in the environment in which the children were exposed. In either case, the weaker form of the disease could be easier for the children’s bodies to fight off, making them less likely to contract it.

Another possibility is that the children had some form of immunity to the disease, either through natural immunity or through a vaccine. Natural immunity is when the body has been exposed to a similar virus or bacteria before, and as a result, has developed an immunity to it. Vaccines can also provide immunity to a particular disease, and the children may have been vaccinated before they were exposed to the virus or bacteria that their fathers had.

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A. Emma's next step should be to create another hypothesis. Since there is no physical evidence to support her initial hypothesis, she should consider alternative possibilities and gather more information to support a new hypothesis.

This could involve examining other possible entry points, speaking with witnesses or neighbors, or collecting additional evidence from the scene. It is important to continue testing and refining hypotheses until there is sufficient evidence to draw a conclusion.

What is hypothesis?

A hypothesis is an educated guess or proposed explanation for a phenomenon or observed event. It is a tentative explanation that can be tested through further observation, experimentation, and analysis of data. A hypothesis is often based on prior knowledge or observations and serves as a starting point for further investigation.

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Complete question is: Emma is examining evidence from a robbery. She hypothesizes that the robber entered the home from the garage, but when she investigates this, she can't find any signs of forced entry or any physical evidence that supports this. What should her next step be create another hypothesis.

Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.

The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.

The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.

When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.

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Immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response.

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Phenols and glycosides are pre-existing defense mechanisms in plants' immune systems. These compounds are part of the plant's chemical defense arsenal and are present in various tissues even before any attack or infection occurs.

Phenols are secondary metabolites found in plants that have antimicrobial and antioxidant properties. They contribute to the plant's defense against pathogens by inhibiting the growth and development of microorganisms. Phenols also play a role in wound healing and lignification, which strengthen the plant's cell walls.

Glycosides are another class of secondary metabolites found in plants that have diverse functions, including defense against herbivores and pathogens. Some glycosides act as toxic compounds when ingested by herbivores, while others can inhibit the growth of microorganisms or interfere with their feeding behavior.

Both phenols and glycosides are produced by plants as part of their constitutive defenses, meaning they are present at baseline levels even in the absence of stress or attack. However, their production can be further induced or enhanced in response to specific stimuli, such as pathogen invasion or herbivore feeding.

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The example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.

Elemental carbon is pure form of carbon and it does not contain other elements and present in natural form. Due to this reason it is known as elemental.

In elemental form pure atoms are not attached to any other atom. Example is diamond which is allotrope of carbon in which there is only carbon atom attached to each other.

Methane and proteins are compounds consist of a combination of carbon and other elements and they are not come in category of elemental carbon.

Therefore,the example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.

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En este caso, la hipótesis podría ser: los genes se manifiestan de acuerdo a mecanismos genéticos y ambientales. En este caso, las variables independientes (causas) podrían estar representadas por interacciones génicas e intergénicas tales como relación de dominancia completa o epistasis (factores genéticos) o bien cambios de temperatura (factores ambientales), los cuales inciden sobre la variable dependiente (grado de expresión génica) y cuyos efectos están representado por el fenotipo del individuo.

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Answer:

It isn't a major factor in determining melting point.

Here is a table of compounds with their densities and melting points.

Compound; Density/g·mL⁻¹; mp/°C

hexane; 0.65; -95

ethanol; 0.79; -114

water; 1.00; 0

chloroform; 1.48; -64

dimethyl ether; 1.97; -141

sodium chloride; 2.16; 801

methyl iodide; 2.28; -66

mercury; 13.59; -39

The density increases as we go down the list, but the melting points vary all over the map.

The intermolecular attractions are much more important factors in determining the melting point.

Yeast is a unicellular organism that is well known and used in baking processes because of its capacity of fermentation, which allows certain preparations to grow and be more spongy because of the air bubbles that are encapsulated in them.

Answer:

This could be 3 reasons.

Explanation:

1. The plants aren't built enough to sustain harsh climates.

2. The plant is food for animals, and not enough of it growing.

3 Might need a special type of goldy locks weather to be able to grow/live in.

Cell growth occurs constantly throughout interphase. S phase is the time when all the cell's chromosomes are replicated so significant cell growth occurs here, but during both G1 and G2 cell growth occurs.

hope this helps

During the interphase of the cell cycle most cell growth takes place.

A cell cycle is the series of events that takes place in a cell as it grows as well as divides.

A cell spends the maximum of its time in what is referred to as interphase, where it grows, reproduces its chromosomes, along with prepares for cell division. The cell then exits interphase, goes through mitosis, and divides completely.

The cell cycle's longest phase is interphase. This is the stage at which the cell undergoes and duplicates its DNA before entering mitosis.

Chromosomes align, separate, and move into new daughter cells during mitosis. Because the prefix inter- means "between," interphase occurs between mitotic (M) phases.

Thus, the cell growth takes place in the interphase of the cell cycle, and the division takes place in the M-phase.

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Selective pressure can be a driving force of evolution; option A.

Selective pressure refers to external forces which affect an organism's ability to survive in a given environment.

Selective pressure can either decrease or increase the occurrence of a trait.

Therefore, selective pressure can be a driving force of evolution.

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Gastric veins, splenic veins, inferior/superior mesenteric veins, and hepatic portal veins are the principal veins of the portal system carrying blood from the gastrointestinal organs to the liver. Thus, all options are correct.

Capillary blood is transported to the liver by the portal venous system from the esophagus, stomach, small and large intestine, pancreas, gallbladder, and spleen.

Thus, gastric veins, splenic veins, inferior/superior mesenteric veins, and hepatic portal veins are the principal veins of the portal system. Hence, all options are correct.

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Your question is incomplete, most probably the full question is this:

Choose all that are principal veins of the portal system carrying blood from the gastrointestinal organs to the liver.

A. Gastric veins

B. Splenic vein

C. Inferior/superior mesenteric veins

D. Hepatic portal vein

The four types of lipids, namely fats, phospholipids, waxes, and steroids, play distinct roles in various biological processes. Fats are primarily involved in energy storage, while phospholipids form the structural basis of cell membranes. Waxes provide protection and waterproofing for plants and animals, and steroids serve as signaling molecules and are involved in various physiological functions.

1. Fats: Fats, also known as triglycerides, are a type of lipid that play a crucial role in energy storage. They are composed of glycerol and three fatty acid chains. Fats are stored in adipose tissue and serve as a long-term energy reserve. During times of energy deficiency, fats are broken down through a process called lipolysis to release energy.

2. Phospholipids: Phospholipids are a major component of cell membranes. They consist of a glycerol molecule, two fatty acid chains, and a phosphate group. The unique structure of phospholipids allows them to form a lipid bilayer in cell membranes, with the hydrophobic fatty acid tails facing inward and the hydrophilic phosphate heads facing outward. This arrangement creates a selectively permeable barrier that controls the movement of substances in and out of the cell.

3. Waxes: Waxes are a type of lipid that serve protective functions in both plants and animals. They are composed of long-chain fatty acids and a long-chain alcohol. In plants, waxes form a waterproof coating on the outer surfaces of leaves, stems, and fruits, preventing excessive water loss and providing protection against pathogens. In animals, waxes are found in structures such as the ear canal, providing lubrication and protection against foreign particles.

4. Steroids: Steroids are a class of lipids characterized by a four-ring structure. They have diverse roles in the body, including serving as signaling molecules and regulating various physiological processes. For example, cholesterol, a type of steroid, is a precursor for the synthesis of steroid hormones such as estrogen, testosterone, and cortisol. These hormones play essential roles in reproduction, development, and metabolism.

Overall, the four types of lipids - fats, phospholipids, waxes, and steroids - each have distinct functions and contribute to various biological processes in organisms.

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Answer:

c 1/2

Explanation:

Answer:

C

Explanation:

Answer:

The Bacteria population is less likely to be killed by antibiotics

The measurements that could create more than one triangle are options C and option D.

Explanation: For a triangle to exist, the sum of any two sides of a triangle must be greater than the length of the third side.

In option C, the angles measuring 100°, 10°, and 70° do not satisfy this condition, as the sum of the angles 10° and 70° is less than 100°, making it impossible to form a triangle. However, by rearranging the angles, such as 10°, 70°, and 100°, we can create a valid triangle.

In option D, the angles measuring 110°, 40°, and 40° also violate the condition for a triangle, as the sum of the angles 40° and 40° is less than 110°. However, by rearranging the angles, such as 40°, 40°, and 110°, we can create a valid triangle.

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The clownfish's reproductive strategy of laying eggs near a sea anemone is a form of protection and survival for its offspring.

By laying their eggs in close proximity to the sea anemone, the clownfish provide their eggs with a safe place to develop. The sea anemone's tentacles are a powerful defense mechanism that can fend off potential predators that may try to harm or eat the eggs.

In addition to protection, the clownfish also benefit from the relationship with the sea anemone during the reproductive process. The anemone provides a clean surface on which the eggs can be attached and also helps to oxygenate the surrounding water, which is important for the development of the eggs.

The anemone's tentacles also help to keep the eggs free of harmful parasites and fungi. Overall, the clownfish's reproductive strategy of laying eggs near a sea anemone is a mutually beneficial relationship that helps to ensure the survival of the clownfish offspring.

The protection and benefits provided by the sea anemone help to increase the chances of the eggs hatching successfully, resulting in a higher survival rate for the next generation of clownfish.

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Answer:

Suppression of one microorganism by another microorganism.

Explanation:

Microbial antagonism is the suppression of one microorganism by another microorganism. For every organism, God creates another organism in order to control its growth and population. So harmful microorganisms that cause diseases in human can be controlled by another beneficial microorganism. If the beneficial microorganisms are removed from the environment, the harmful microorganisms causes more damage to human and their property.

Microbial antagonism refers to competition between microorganisms in the same environment. This limits the growth of the microorganism population, protecting human health.

We can arrive at this answer because:

This type of biological system is beneficial in keeping populations of microorganisms, which can have negative effects on humans, under control, preventing proliferation, and maintaining human health and integrity.

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A client is experiencing numbness and tingling in their fingers and lips while donating blood plasma. You suspect that the client is experiencing mild hypocalcemia. You work quickly to have them drink some calcium-rich beverage to replenish their calcium levels before they start experiencing more severe symptoms like laryngeal spasms, tetany, and convulsions.

A client experiencing numbness and tingling in their fingers and lips while donating blood plasma may be exhibiting symptoms of mild hypocalcemia. Hypocalcemia refers to low levels of calcium in the blood, which can lead to various neurological symptoms. To address this situation promptly, it is essential to provide the client with a source of calcium.

Milk or a calcium-rich beverage, such as orange juice fortified with calcium, would be a suitable option. These beverages contain bioavailable calcium that can be quickly absorbed by the body. Calcium is a crucial mineral that plays a vital role in nerve function, muscle contraction, and maintaining proper electrolyte balance.

When calcium levels drop, it can lead to neurological symptoms like numbness, tingling, and muscle spasms. If left untreated, severe hypocalcemia can progress to laryngeal spasms, tetany (persistent muscle contractions), and convulsions.

By promptly replenishing the client's calcium levels, the aim is to prevent the progression of symptoms to more severe manifestations. Calcium supplementation will help restore the balance of electrolytes in the body and support normal nerve and muscle function.

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1.Ice melting is a physical change

2.Eggs cooking is a chemical change

3.Salt dissolving is a physical change

4.Wood burning is a chemical change

5. Fireworks exploding is a chemical change

A substance can change physically even when no new substance is created as a result of the change. It simply modifies the substance's outward attributes, such as its shape, size, texture, or phase (such as solid, liquid, or gas).

When a compound undergoes a chemical change, a new substance or substances with new chemical properties are created. Chemical bonds are broken and formed as a result of this process, which transforms one or more chemicals into one or more new substances. Chemical changes can release or absorb energy (heat, light, or sound), and they are frequently irreversible.

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