which of the following statements about the condition shown in the u-shaped tube are true?

The four main categories of biological macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

Each is a vital part of the cell and carries out a variety of tasks. These molecules make up most of a cell's mass when they are all combined.

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photosynthesis is the process by which green plant use energy from sunlight to manufacture their own food by combining carbon dioxide , water and mineral salt

example plants, algae (diatoms, phytoplankton green algae, euglena

Explanation:

Mitosis and endocytosis are two fundamental cellular processes essential for maintaining a eukaryotic life. Mitosis partitions duplicated chromatin enveloped in the nuclear membrane into two new cells, whereas endocytosis takes in extracellular substances through membrane invagination. These two processes are spatiotemporally separated and seemingly unrelated. However, recent studies have uncovered that endocytic proteins have moonlighting functions in mitosis, and mitotic complexes manifest additional roles in endocytosis. In this review, we summarize important proteins or protein complexes that participate in both processes, compare their mechanism of action, and discuss the rationale behind this multifunctionality. We also speculate on the possible origin of the functional reciprocity from an evolutionary perspective.

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Answer:

Auroras are due to the collision between oxygen, nitrogen, hydrogen, helium molecules in the Earth's atmosphere and energetically charged particles from around the Sun, brought to Earth by the solar wind.

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Changes in pH alters the enzymatic activity by modifying electric charges hence the statement is False.

The activity of the enzyme slows down and finally stops when the pH value deviates from the optimum range. The substrate houses the enzyme's active site.

When electrons are added to or taken away from an object, an electrical charge is produced. An object acquires a negative charge when electrons are introduced to it because electrons have a negative charge. An object acquires a positive charge when its electrons are removed.

The ability to conduct electricity is a characteristic of many fundamental, or subatomic, components of matter. As an illustration, protons and neutrons both have positive charges but electrons have a negative charge.

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Models are used to symbolize components of the herbal international which can be too small, large, complex, or hard to examine or give an explanation for directly. For example, atoms are too small to examine directly, so fashions are used to visualise components of atoms .

Models use acquainted gadgets to symbolize unexpected things. Models allow you to visualize, or photo to your mind, some thing this is hard to look or apprehend. Scientific models can assist scientists talk their ideas, apprehend processes, and make predictions.A version of the motions of the sun, moon and earth (that you participated in closing year) A version of predicting eclipses.

Models that designate climate phenomena may be used to are expecting climate.Scientists use fashions as a way to help withinside the visualization of modern-day expertise of a gadget withinside the country that it's far in at the existing time.

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For Emil to train his specific area of brain that will allow him to perform at his best, he should focus on his cerebellum.

Brain is the largest and most complex organ of the body. It acts as the regulatory center of the body that controls and regulates each and every action performed by the body, either voluntary or involuntary. The brain is divided into three parts: forebrain, midbrain and hindbrain.

Cerebellum is the part of the hindbrain. It is present above the brain stem. The function of cerebellum is to regulate the movement and coordination of the body. If the cerebellum is damaged, it can affect all the actions related to movement like walking, bending, no control upon the movement, etc.

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The meaning of the given quote: This would provide a selective advantage for the brightest males...Even females who bucked the trend would be at a disadvantage for, if they chose to mate with plainer males, they risk producing drab sons who would be less likely to be picked as mates in their turn" is given below.

This means that in the process of mating, the brightest males would be selected first which leads to a selection advantage for them and even if females decided not to pick the brightest males, this would be to their disadvantage as their offspring would be likely to be selected last, if at all.

This refers to the use of inverted commas to show the direct words of a speaker in a given sentence.

Hence, we can see that The meaning of the given quote: This would provide a selective advantage for the brightest males...Even females who bucked the trend would be at a disadvantage for, if they chose to mate with plainer males, they risk producing drab sons who would be less likely to be picked as mates in their turn" is given below.

This means that in the process of mating, the brightest males would be selected first which leads to a selection advantage for them, and even if females decided not to pick the brightest males, this would be to their disadvantage as their offspring would be likely to be selected last, if at all.

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Answer:

The hypothesis is too general and does not state a specific prediction.

Explanation:

The theory of evolution proposed by Lamarck tells us that living beings were not created from nothing but were the result of evolution from much simpler beings.

These evolutionary characteristics were obtained when an individual adapted to a change in situation or environment that occurred through a habit. He says then that evolution occurs by characters acquired through life, these are passed to its germ line and so little by little the evolution is taking place.

This theory was not taken into account since it is impossible to transfer acquired characteristics from the somatic line to the germ line. Giving then as erroneous this theory proposed by Lamarck.

Therefore, we can confirm that the theory of evolution proposed by Lamarck tells us that living beings were not created from nothing but were the result of evolution from much simpler beings.

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Answer:

no

Explanation:

Phloem won't give any mechanical strength to the plants. Xylem and Phloem are the parts of the vascular bundle. Vascular bundles are defined as the strands of conducting vessels having xylem and Phloem to supply water from roots and food prepared by leaves to the remaining parts of the plant.

The location in the cell where the first step of cellular respiration occurs is 2, i.e., a mitochondria. The correct option is B.

The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular).

Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP).

Because they assist in cellular respiration, the process by which energy is extracted from food, mitochondria are known as the powerhouse of the cell or energy manufacturers.

The first stage of cellular respiration, known as glycolysis, takes place in the cytoplasm of the mitochondria.

To produce cellular energy, the six-carbon sugar molecule of glucose is broken down into three-carbon molecules during the process known as glycolysis.

Thus, the correct option is B.

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Carbohydrates are the nutrients that are most frequently employed as an energy source. Monosaccharides are single sugar molecules that serve as the building  for all other sugars and carbohydrates. Thus option B and D are correct.

Sugar molecules make up carbohydrates, or carbs. Carbohydrates are one of the three primary nutrients included in foods and beverages, along with proteins and fats.

Glucose is created by your body's breakdown of carbs. The primary source of energy for the cells, tissues, and organs in your body is glucose, sometimes known as blood sugar.

A vast variety of both good and bad foods, including bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie, include carbohydrates.

They can take on various shapes as well. Starches, fibers, and sugars are the most common and ubiquitous types.

Therefore, carbohydrates serve as source of energy and building material.

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In most of the single celled organisms like fungus, spyroghyra, etc, reproduction occurs asexually.

When a graded potential causes hyperpolarization in a neuron, an action potential is not occur,  where as  If a graded potential causes depolarization, an action potential is more likely to occur.

The neurons are the basic nerve cell of the nervous system where the presynaptic neuron emits the nerve impulse and the postsynaptic neuron  receives this impulse.

The function of neurons can be Sensory  which handle information from the sensory organs like  skin, eyes, ears, nose and Motor which emit signals from the brain and spinal cord to the muscles.

Other neuron are Interneurons form a bridge connection between two neurons depending on how distant the neurons are from each other.

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The density of the unknown liquid sample will be 4.0 g/.mL

The density of a substance is the ratio of the mass of the substance to its volume.

This is mathematically expressed as:

Density = mass/volume.

In this case:

Volume of unknown liquid sample = 24.0 mL

Mass of unknown liquid sample = 6 g

Density of the unknown liquid sample = 24.0/6

                                                  = 4.0 g/mL

Thus, the density of the unknown liquid sample us 4.0 g/mL

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When water freezes into ice the hydrogen bonds formed allow them  to be spaced farther apart, making them take more space and the overall density decreases, so ice float in the water.

The density of can be referred as the mass per unit volume which means the ratio between mass and volume, where how much stuff an object has in a unit volume.

It is a measurement of matter, where it mainly presents the mechanism of matter is bind together, put forwarded by the Greek scientist Archimedes

Density = Mass/Volume

When ice melts its surface area increases so it is present at the bottom of the beaker.

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The correlation coefficient that demonstrates a moderate relationship showing fewer depression symptoms in people who report higher community engagement is +0.61. That is option D.

Correlation coefficient is a measure that is used statistically to know the extent of change that can be brought about on a variable through the change of another variable that is related to it.

The correlation coefficient is measured by dividing the covariance by the product of the two variables' standard deviations.

This number indicates strength & direction of the relationship between two variables and falls between -1 and +1.

There are various types of correlation coefficient which are the negative correlation coefficient and the positive correlation coefficient.

An example of a positive correlation coefficient is +0.6 which shows that there are fewer depression symptoms in people who report higher community engagement.

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It is because of the color and the smell of the strong flower which red roses have , with this because bees feed on their nectar and pollen.

Chickweed has been used for centuries to treat illnesses and provide comfort, including lowering inflammation and battling germs. Additionally, it might help you maintain your weight and function as an expectorant when you're sick. On the stems, there is also no row of hair. Instead, joints can be seen in the stems. The plant has the consistency of string but is not edible despite not being poisonous.

The abundant anthers of wild roses and Rosa rugosa are also a favorite source of pollen for honey bees and other solitary bee species. Thanks to the amazing anthers inside the flower of this wild rose, worker honey bee Apis mellifera once more has pollen baskets on its hind legs filled with nectar.

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Answer:

An acid is used to bring the pH of a solution from pH 9 to pH 6 the many times more acidic is the final solution than the initial solution is that of option b. 10 .

Which is greater acidic a pH of 6 or a pH of 8?

A pH much less than 7 is acidic. A pH more than 7 is simple. The pH scale is logarithmic and as a result, every entire pH fee underneath 7 is ten instances greater acidic than the subsequent better fee.pH much less than 7 is acidic. A pH more than 7 is simple. The pH scale is logarithmic and as a result, every entire pH fee underneath 7 is ten instances greater acidic than the subsequent better.

The pH is a degree of the attention of hydrogen ions, the acidity or alkalinity of a solution. The pH scale is commonly among zero and 14. Aqueous answers at 25 ° C with a pH of much less than 7 are acidic and simple or alkaline solution are people with a pH of more than 7.

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Explanation:

The events in nature that may seriously hinder the process of carbohydrate production include storm weather conditions or extreme temperatures (i.e. both very cold and warmer temperatures).

The carbohydrates are produced in nature through a complex series of chemical reactions known as photosynthesis, which is carried out by plants that may produce simple carbohydrates such as glucose of complex carbohydrates (cellulose).

In conclusion, the events in nature that may seriously hinder the process of carbohydrate production include storm weather conditions or extreme temperatures (i.e. both very cold and warmer temperatures).

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Answer: Rosehip appears to be an inhibitory neuron, which regulates the flow of information to certain parts of the brain. Saplakoglu reports the rosehips seem to connect to pyramidal neurons, an “excitatory” neuron that makes up about two-thirds of the neuron cells in the neocortex.

Explanation:

Might Be wrong but I think C

A scientific argument is a method that researchers use to direct their work. In order to ultimately improve rational explanations and experimental designs, scientists point out flaws and limitations in other people's arguments. Evidence-based arguments is the term for this technique.

The aim of scientific reasoning is to assess the reliability and validity of methods and results. It would be appropriate to accept the scientific research if one could validate and demonstrate all of the points made. This part is structured around the four components of scientific argumentation

The method by which research, as a field, creates and greater integration, is through scientific debate. Other scientists assess and analyze the assertions, supporting evidence, and explanations of that evidence when scientists make arguments in favor of novel theories.

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