Nucleic acids contain carbon, hydrogen, oxygen, nitrogen, and

Answer:

1. Recognition of foreign molecules - Defense

2. Receptors of extracellular signals - Regulation

Explanation:

Answer: Semi-Conservative

Explanation:

The strands separate as seen in the figure and are used to create new strands.

Mutation is present when the DNA is damaged or changed that leads to the alteration of the genes. It can occur in the replication process. Mutations occur randomly according to their effects. Mutations can occur spontaneously or induced by changes in the environment. But not all mutations are direct responce from these factors. Alteration of amino acids leads to mutations but it is not considered as intentional. Mutations are neutral in effect.

Answer - Mutations occur randomly through changes in DNA.

Answer

Upper and Lower motor neurons, and Voluntary muscles.

Explanation:

Structurally,the  motor neurons in the Brain are called the upper motor neurons.While the motor neurons  in the spinal cord and the brain Nuclei  are called the lower motor motor neurons.

Therefore,  transmission of sensory impulses  from the  brain  through the upper motor neuron   are sent to the spinal cord through the lower motor neurons.  These are eventually sent to the muscles(voluntary muscles)  the effectors to bring response.

However, in ALS both the upper and lower motor neurons degenerate and die.Therefore  transmission of action potential is impeded.Thus the voluntary muscles are made redundant with no sensory information and therefore they twitch (this is called fasciculations) and progressively undergo waste away.

As this progress the ability of the brain to initiate action potential for sensory information and its propagation is lost.

Therefore weakness of muscles and stiffness results,followed by complete loss of sensory transmission and inability of the individual to respond to sensory stimulus of walking, standing, eating, and breathing.Slurred and nasal speech,and muscles cramps are other symptoms

At advanced stage loss of life usually results from the respiratory failure.

it occurs mostly in the  Caucasians and non-Hispanics between the age of 55-75,and common in males than females.It causes are blend of genetic and environmental factors.

Medication,therapy-physical and speech therapy are some means of treatments.

The following illustration shows the correct flow of molecules during cellular respiration: Acetic acid, pyruvic acid, glucose, and acetyl CoA

A metabolic process called cellular respiration converts glucose to ATP. Glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation are steps in cellular respiration. Respiration is the process by which complex molecules' C–C bonds are broken by oxidation within cells, resulting in the release of a significant amount of energy. This procedure is known as cellular respiration because it takes place within the cell. It is a multi-step process that begins with the breakdown of glucose to produce a pyruvate molecule with three carbons. The process here is called glycolysis. The cytoplasm is the location of glycolysis. The pyruvate is further transformed into a two-carbon acetyl CoA. This process is called as "oxidative decarboxylation".

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Answer: Blood

Explanation: This is the actual answer for USATestprep i already checked the answer it isnt bile

The double helix DNA is made up of two helices which turns after every 10 base pairs at a distance of about 3.4 nm. This distance in the DNA molecule is called pitch. The distance between the two base pairs is 0.34 nm.

A DNA molecule is made up of two linked strands which wind around each other to resemble a twisted ladder in the helix-like shape. Each of the DNA strand has a backbone which is made up of alternating sugar molecules which are deoxyribose and phosphate groups. These are attached to each sugar molecule which is one of four nitrogenous bases which include adenine (A), cytosine (C), guanine (G), and thymine (T).

The double helix DNA molecule turns after every 10 base pairs in the DNA at a distance of about 3.4 nm. This distance in this molecule is called pitch. The distance between two base pairs is 0.34 nm.

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The correct answer is D Vitamin D. The lack of this vitamin alters bone maturation and development.

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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Answer:

Explanation:

Answer:

um the Red apple becuz it weighs more so obvi its attracted to the earth

Explanation:

How can everything come from nothing when nothing is something that has nothing to do with anything? :) have a good day

Answer:

green apple

Explanation:

because red apple was wrong

hope this helped !

Answer:

There are several methods for drying fruits and vegetables:

Sun-drying: This involves spreading the produce out in direct sunlight to dry naturally.

Oven-drying: This method involves placing the produce in a low-temperature oven to dry it out slowly.

Dehydrator: A dehydrator uses low heat and a fan to circulate air and remove moisture from the produce.

Air-drying: This method involves hanging the produce in a well-ventilated area to allow air to circulate and dry it out.

Freeze-drying: This method involves freezing the produce and then removing the water content through a process of sublimation.

Microwave drying: This is a quick method of drying small quantities of produce in a microwave oven.

The method used depends on the type of produce being dried, the available equipment, and the desired outcome.

Answer:

In operational research, the term 'model' is usually taken to mean a representation of a situation. This representation is usually expressed in terms of symbols. Such models are used widely in science but are unusual in much managerial decision making.

This is a problem in the field of ecology.

The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.

It falls under the discipline of ecology, which studies the relationships between organisms and their environment.

Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.

In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.

They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.

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A research which discovers that there is a certain condition that causes an individual to smoke cigarette and the same condition causes the individual to have cancer. Therefore, it is the condition that causes cancer but not smoking cigarette.

A research is also referred to a study and it can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause), in order to determine or measure the dependent variable (the effect) and reach a logical conclusion with results.

Cancer can be defined as the uncontrolled division of certain body cells, which then proceed to invade the surrounding tissues and interfere with the normal functioning of the human body.

Generally, there are different types of cancer and these include the following:

In conclusion, a research which would possibly show that cigarette smoking does not cause cancer is a research which discovers that there is a certain condition that causes an individual to smoke cigarette and the same condition causes the individual to have cancer. Therefore, it is the condition that causes cancer but not smoking cigarette.

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Mutations are considered important in evolution because they are the ultimate source of genetic diversity.

Answer:

Mutations are one of the fundamental forces of evolution because they fuel the variability in populations and thus enable evolutionary change.

Answer:

Proteinuria

Explanation:

Proteinuria is increased levels of protein in the urine. This condition can be a sign of kidney damage. Proteins – which help build muscle and bone, regulate the amount of fluid in blood, combat infection and repair tissue – should remain in the blood.

Hope it helps ^^

Answer:

Fiber-optic cables.

Explanation:

When electrons in the electron transport chain lose energy, the energy is transferred through a series of redox reactions in a process known as oxidative phosphorylation. The energy is used to move protons across the inner mitochondrial membrane, creating an electrochemical gradient. This potential energy is then used to form ATP, which serves as the cell's main energy source. Additionally, the electrons that are lost in the electron transport chain are taken up by oxygen molecules in the mitochondria, forming water molecules in the process. The electrons are also used to break down glucose molecules, releasing energy that can be used by the cell for various processes.

No aspect of plate tectonics is represented by the bits of paper. They could be used in a lesson to demonstrate how tectonic plates move, but they are not part of the real Earth system.

Convection currents in the planet's fluid, molten core cause the Earth's rigid tectonic plates to move. Seafloor spreading is the process of tectonic plates moving apart in regions where convection currents flow up towards the surface of the crust.

Convection currents are heat-driven cycles that occur in the atmosphere, ocean, and mantle. They result from a differential in temperature, frequently as a result of different closeness to a heat source.

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Answer:

He is going 51.2 mph.

Explanation:

204.8 divided by 4 = 51.2 mph.

Answer:

hydrolysis

Explanation:

When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP). Likewise, energy is also released when a phosphate is removed from ADP to form adenosine monophosphate (AMP).

Scientists must find a means to explain how different species are linked, and they accomplish this by classifying them according to similar traits, ancestry, and DNA sequences.

The one that is currently in use is known as the Linnaean System and was created by Carl Linnaeus in the middle of the eighteenth century.

As new information about cells and DNA has come to light over time, the organization Linnaeus established has undergone modifications. Linnaeus created his classification system using physical traits, but today we employ more sophisticated techniques, such DNA sequencing, to classify creatures.

The categories of the Linnaean system include domain, kingdom, phylum, class, order, family, genus, and species, arranged from widest to most particular.

Therefore, Scientists must find a means to explain how different species are linked, and they accomplish this by classifying them according to similar traits, ancestry, and DNA sequences.

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The probability of obtaining offspring with the dominant phenotype for all four traits (AaBbCCdd x AabbCcDd) is 0.046875, while the probability of obtaining offspring with the dominant phenotype for any of the four traits is 1.50.

Both the product rule and the sum rule are essential to understanding the concept of alleles and the probability of obtaining offspring with the dominant phenotype for four unlinked genes.The product rule states that the probability of obtaining two or more independent events is equal to the product of the probabilities of each event.

In this case, the probability of obtaining offspring with the dominant phenotype for all four traits is equal to the product of the probabilities of the dominant alleles in each gene. For example, the probability of obtaining offspring with the dominant phenotype of A, B, C, and D is equal to the product of the probabilities of A, B, C, and D (AaBbCCdd x AabbCcDd). This equals 0.25 x 0.375 x 0.5 x 0.375 = 0.046875.

The sum rule states that the probability of obtaining at least one of the two events is equal to the sum of the probabilities of each event. In this case, the probability of obtaining offspring with the dominant phenotype for any of the four traits is equal to the sum of the probabilities of the dominant alleles in each gene. For example, the probability of obtaining offspring with the dominant phenotype of A, B, C, and D is equal to the sum of the probabilities of A, B, C, and D (AaBbCCdd x AabbCcDd). This equals 0.25 + 0.375 + 0.5 + 0.375 = 1.50.

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The three correct answers are:

B. The chlorophyll in the leaves break down, revealing yellow and red pigments that had been masked by the green pigments. This process leads to the beautiful fall foliage colors observed in maple trees. As the weather gets colder, the breakdown of chlorophyll exposes the underlying pigments, creating vibrant red, orange, and yellow leaves.

C. Xylem and phloem fill with ions and organic substances that prevent freezing. In response to increasing cold weather, the tree transports ions and organic compounds into the xylem and phloem. These substances act as antifreeze agents, preventing the freezing of sap and ensuring the circulation of nutrients and water within the tree.

D. Meristems form thick scales to protect next year's buds from cold winter temperatures. The meristems, which are the regions of the tree where new growth occurs, undergo changes in response to the approaching cold weather. They form protective scales around next year's buds to shield them from the harsh winter conditions, ensuring their survival and future growth.

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Your question is incomplete, but most probably your full question was:

Which of the following occur in a maple tree growing in a temperate climate in response to increasing cold weather? Choose three correct

answers.

A. Auxin production stimulate one final growth spurt before winter arrives,

B. The chlorophyll in the leaves break down, revealing yellow and red pigments that had been masked by the green pigments.

C. Xylem and phloem fill with ions and organic substances that prevent freezing.

D. Meristems form thick scales to protect next year's buds from cold winter temperatures,

Answer:

It is living

Explanation:

Bacteria reproduces and consumes energy just like all other living things.

Answer:

b. No, her cells need glucose to react with oxygen to release enough energy to exercise.

Explanation:

Living organisms are able to perform any of their day-to-day activities due to the release of energy in their individual cells. The process by which this energy is obtained by their cell is called CELLULAR RESPIRATION. Cellular respiration is the process whereby glucose (from digested food) is broken down in the presence of oxygen to yield energy in form of ATP. The general equation is as follows:

C6H12O6 (glucose) + 6O2 (oxygen) → 6CO2 + 6H2O + ATP

According to this question, a doctor is said to test a patient for the content of molecules in her cells. Her cells were found to contain normal levels of oxygen molecules, low levels of amino acid molecules, and low levels of glucose molecules. This patient will NOT BE ABLE to exercise normally because her cells need glucose in optimal amount to react with oxygen to release enough energy to exercise.

Individuals with genotype the IAIA or IAi have blood type A. The ones with IBIB or IBi have blood type B. Others  with IAIB have blood type AB, and those with ii have blood type O. Mother has phenotype A and father has phenotype B.

Genotype is the genetic representation of an individual.

A blood genotype indicates the genetic composition of the blood type of an individual.

Blood genotype represents the following phenotype:

Thus, according to the given scenario, the genotype of mother is IAIA and father is IBi, so the phenotypes will be A and B respectively.

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