pleasee help now!!!!!!!

Answer:

I believe runoff water

Answer:

True

Explanation:

Its true because nitrogen is required for production of chlorophyll, nucleic acids, and enzymes. Nitrogen is essential for plants to synthesize amino acids, which are the building blocks for protein synthesis.

Answer:

The answer is below

Explanation:

Different types of distribution for populations of animals are:

1. Uniform distribution: the is a form of population distribution in which animals are divided or spaced out evenly across a certain territory. It is mostly observed in an area where there are limited resources to compete for.

2. Random distribution: this is a form of population distribution whereby animals or organisms are distributed without a predictable arrangement. It is mostly observed in an area where resources are sporadically distributed

3. Clumped distribution: this is a type of population distribution in which animals are crowded in groups in different places of the territory. It is mostly observed where resources are patchy.

Answer:

:-) maintaining the pH of the reaction at 6.7

Explanation:

hope this helps

A splitting enzyme generated by the salivary glands is called salivary amylase. It assimilates the starch element of the food into small molecules of maltose.

The correct answer is:

Option C.  Maintaining the pH of the reaction at 6.7

The explanation for the answer is:

Therefore, maintaining the pH of the reaction at 6.7 will not affect the reaction.

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Answer:

B

Explanation:

Answer: mass and speed

Explanation:

kenetic energy is energy when moving

Answer:

well ambroise pare made it back in the 16th century

Explanation:

Answer:

Try looking it up!

Explanation:

Try looking up diagrams of a prosthetic hand, and going through what each part does. Or, try looking up how they're implanted, the history of prosthetic hands, etc.!

Try to organize your notes as well, and credit the sources used. This'll help you big time!

Hope this helps <3

ATP synthase changes ADP into ATP when light energy passes through it. The light-dependent reactions supply the Calvin cycle with CO2 and ATP.

Hope it helps uh.

In species like humans and elephants, the use of excessive parental care can improve an organism's fitness.

Care can be advantageous if parents (1) increase offspring survival during the stage in which parents and offspring are connected, (2) enhance offspring quality in a way that increases offspring survival and/or reproduction in the future when parents are not connected with offspring, and/or (3) directly...

Parental care -  which is defined as any parental behavior or adaptation that improves the fitness of the offspring, frequently at some cost to the caregiver, exhibits striking diversity among species, ranging from short-term and relatively simple behaviors, like egg attendance, to long-term and elaborate adaptations, like some forms of food.

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The empirical formula of disaccharides: The general chemical formula of disaccharides is C12H22O11.

What is the empirical formula?
The simplest whole-number ratio of atoms in a chemical molecule is its empirical formula. Sulfur monoxide's empirical formula, SO, and disulfur dioxide's empirical formula, S2O2, are two straightforward examples of this idea. The empirical formula is typically applied to simply display the components of a molecule. When one wants to quickly identify the elements they are working with, this is helpful. When you want to know how many atoms of each element are present in the compound, the molecular formula is the most helpful.

The empirical formula of glucose: Cx(H2O)n, where n is an integer ranging from 3 to 9.

The empirical formula of disaccharides: The general chemical formula of disaccharides is C12H22O11.

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Answer:

The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in different ways, but overall it allows them to survive.

Explanation:

Had the same question and got it correct.

Answer:

The chemical equation is C6H12O6 + 6O2 → 6CO2 + 6H2O

Explanation:

Aerobic respiration takes place in the mitochondria and requires oxygen and glucose, and produces carbon dioxide, water, and energy. The chemical equation is C6H12O6 + 6O2 → 6CO2 + 6H2O (glucose + oxygen -> carbon dioxide + water).

Based on the results of the indicator tests, the macromolecules present in the unknown solution are Protein and Simple Sugar.

Based on the results of the indicator tests, the macromolecules present in the unknown solution are Protein and Simple Sugar. The Biuret test indicated the presence of protein as the solution turned dark purple, while the negative control (light blue) did not contain protein. The potassium permanganate test did not show any positive result for Simple Sugar and Starch, as the solution remained clear with a brown color, indicating no reaction. The iodine test showed a dark brown color in the unknown solution, which indicated the presence of starch, but the negative control showed no reaction. The Sudan IV test indicated the absence of fat in the unknown solution as the solution remained clear instead of turning red, which is an indication of the presence of fat.

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Answer: C

Explanation:

Kinda common knowledge. Reindeer have antlers and they shed yearly

A scientific explanation that is tentative and testable is termed as a hypothesis.

A scientific explanation is an explanation of some aspect of the natural world that can be continuously tested and verified by utilizing the scientific method. Scientific explanations use empirical data, and observations to back up their reasoning. They must be proven to be true or false through testing and experimentation. They are testable and measurable. They must also be repeatable so that other scientists can execute the same experiment in order to obtain the same results.

A hypothesis is an assumption or a proposed or possible explanation for some phenomenon that is testable and falsifiable made on grounds of limited evidence as a starting point for further investigation. A hypothesis has to be testable to be scientific. A tentative scientific explanation is called a hypothesis. The most straightforward definition of a hypothesis is an idea or a tentative explanation for an observed phenomenon that can be tested through experimentation or observation. It is an educated guess based on observation, previous knowledge, and research. A hypothesis must be falsifiable, meaning that it can be tested and potentially proven false through experimentation or observation. It may be called a scientific hypothesis, though this is a somewhat ambiguous term. It can be considered as a tentative scientific explanation, which serves as a foundation for empirical testing.

In conclusion, a scientific explanation that is tentative and testable is termed a hypothesis.

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Sex is a biological trait that refers to the observable physical and genetic characteristics that distinguish males from females. It is frequently assumed that sex is based on biological or genetic characteristics rather than social and cultural aspects.

The physical variations between males and females, such as genitalia and breasts, are some examples of sex differences. Thus, it is a biological characteristic rather than a social one. Both social constructionism and biological determinism, on the other hand, have opposing perspectives on gender. Biological determinism emphasizes that gender differences are inborn, while social constructionism emphasizes that they are socially produced. According to the social constructionism perspective, gender identity and the roles associated with it are the product of socialization and cultural expectations, whereas biological determinism focuses on innate biological differences and the impact of biology on gender.

The claim that sex is a biological trait and not socially constructed can be supported by two course materials. The article "Sex as Biological and Gender as a Social Construct" by Anne Fausto-Sterling argues that sex is a biological characteristic because it is based on genitalia and chromosomes, while gender is socially constructed. This article suggests that sex is primarily concerned with physical characteristics, while gender is linked to social and cultural expectations, which is consistent with the idea that sex is biological and gender is social.

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The examples of proteins among the given options are a) antibodies, c) enzymes, and e) hemoglobin.

Proteins are large, complex molecules that play vital roles in the structure, function, and regulation of cells and tissues in living organisms. They are made up of amino acids, which are connected together in a specific sequence to form a unique protein structure. Proteins exhibit a wide range of functions, including catalyzing chemical reactions, providing structural support, transporting molecules, and defending against pathogens.

Antibodies, or immunoglobulins, are proteins produced by the immune system in response to the presence of foreign substances, such as bacteria or viruses. They play a crucial role in the body's defense mechanism by recognizing and neutralizing these harmful entities.

Enzymes are also proteins that act as biological catalysts, accelerating chemical reactions within cells. They enable essential processes like digestion, metabolism, and DNA replication, by lowering the energy barrier required for a reaction to occur.

Hemoglobin, found in red blood cells, is a protein responsible for transporting oxygen from the lungs to the tissues throughout the body. It has a unique structure that allows it to bind to oxygen molecules in the lungs and release them in tissues where oxygen is needed.

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Examples of proteins are antibodies, enzymes, and hemoglobin. The correct answers are a, c, and e.

Proteins are large biomolecules composed of amino acids and are essential for various biological functions in living organisms. Antibodies are proteins produced by the immune system to recognize and neutralize foreign substances (antigens) in the body.

Enzymes are proteins that act as catalysts, facilitating biochemical reactions. They play a vital role in metabolism, digestion, and numerous other physiological processes. Hemoglobin is a protein found in red blood cells and is responsible for carrying oxygen from the lungs to different tissues in the body. Therefore, the examples of proteins are: a) antibodies, c) enzymes, and e) hemoglobin.

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Statement  B. Every cell in an organism is identical. is part of the cell theory.

Cell theory is a scientific concept first formulated in the mid-nineteenth century, that residing organism is made of cells, that they're the simple structural/organizational unit of all organisms, and that each cell comes from pre-present cells.

The cell theory states that all biological organisms are composed of cells; cells are the unit of life and all lifestyles come from preexisting existence. The cell theory is so installed nowadays that it bureaucracy one of the unifying ideas of biology. The mobile concept is important because it explains the idea of the cell and includes the subsequent postulates: The cellular is the fundamental unit of existence. All cells arise from pre-existing cells i.e Omnis cellula e cellula. All residing organisms on the earth are made from cells.

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Answer:

Good question! Hamburgers actually get their name from Hamburg, Germany, home of a cut of beef called the Hamburg steak that eventually evolved into what we now consider hamburgers

Answer:

The answer would be A. Base pairs are broken apart.

Explanation:

First, the base pairs break apart so that new DNA can be added. Then, the replication fork forms. After, protein is formed from the DNA, and lastly, the DNA is checked for errors.

If I am wrong, please correct me.

During DNA replication, the replication fork forms. The correct option is D.

The initial stage of DNA replication is the development of the replication fork. The double-stranded DNA molecule unwinds and splits into two distinct strands, forming the Y-shaped replication fork.

Origins of replication are specific locations where the separation takes place.

The other phases of DNA replication can start once the replication fork has established.

These include base pair dissociation (A), DNA error detection (B), and protein synthesis from DNA (C), which takes place through the processes of transcription and translation, which follow DNA replication.

Thus, the correct option is D.

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Your question seems incomplete, the probable complete question is:

Which step happens first in DNA replication?

O

A. Base pairs are broken apart.

B. The DNA is checked for errors.

C. Protein is formed from the DNA.

D. The replication fork forms.

Answer:

distance = √((-7-13)^2 + (-2-(-23))^2)

distance = √(20^2 + 25^2)

distance = √850

distance = ≈ 29.01

Explanation:

The thermostat in a house uses a negative feedback system to regulate the temperature inside the house. A negative feedback system is a type of control system that operates by comparing a desired setpoint with the current temperature and making adjustments to return the temperature to the setpoint.

There is a setpoint on a thermostat in a home, which is the preferred temperature. The thermostat continuously measures the indoor temperature and assesses it against the setpoint. The thermostat instructs the heating system to turn on and increase the temperature if the indoor temperature is too low. The thermostat activates the cooling system and lowers the temperature if the indoor temperature is too high.

As it operates by reversing the direction of temperature change, this continual process of measuring, comparing, and adjusting the temperature is an illustration of negative feedback. In other words, the thermostat will react by making adjustments that lessen the amount of the deviation if the temperature begins to wander from the setpoint.

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Increasing the light intensity increases the rate of photosynthesis until some other factor - a limiting factor - becomes in short supply. At very high light intensities, photosynthesis is slowed and then inhibited, but these light intensities do not occur in nature.

Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.

The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.

Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.

Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.

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The equation that correctly relates flow, pressure, and resistance is B. Pressure = Flow x Resistance according to Bernoulli principle.

The Bernoulli principle is based on the equation of continuity, which states that mass is conserved in a fluid flowing through a pipe or channel, regardless of variations in the pipe's cross-sectional area.

Bernoulli's equation formula is a relation between pressure, kinetic energy, and gravitational potential energy of a fluid in a container. Where p is the pressure exerted by the fluid, v is the velocity of the fluid, ρ is the density of the fluid and h is the height of the container.

In order to maintain a constant mass flow rate, the Bernoulli principle dictates that when the velocity of a fluid increases, the cross-sectional area of the tube or channel through which the fluid flows must decrease proportionally.

The Bernoulli principle is used to explain the lift on an airplane's wings and the flow of blood through the heart, among other phenomena.

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Explanation:

Water filtration is the process of removing or reducing the concentration of particulate matter, including suspended particles, parasites, bacteria, algae, viruses, and fungi, as well as other undesirable chemical and biological contaminants from contaminated water to produce safe and clean water for a specific purpose ...

Water filtration can provide better tasting and better smelling drinking water by removing chlorine, chemicals, pesticides, heavy metals and bacterial contaminants. ... Drinking clean, filtered water protects the body from disease and leads to overall greater health and energy.