Which of the following is an example of a nucleic acid polymer

Light microscopy with the help of microscope will be used to view cells. It will not look the same as another animal from the ocean due to Bioluminescence.

What is the purpose of light microscopy?

By presenting a magnified image of how minute structures and samples interact with visible light, such as their absorption, reflection, and scattering, light microscopy is used to make them visible.

Light microscopes are employed for routine use when low magnification and resolution are sufficient as well as for the study of living cells. Higher magnifications and higher quality images are available with electron microscopes, but they cannot be utilized to see living cells. An introduction to the basic ideas behind light microscopy: enhancing contrast, resolution, and magnification.

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The statement that best explains the activity levels of trypsin in Figure 1 is (D) At extremely low pH values, trypsin is denatured and cannot function

efficiently.

Figure 1 shows the activity levels of trypsin, a protease enzyme of small intestine, as a function of pH.

The data indicates that trypsin is most active in moderate pH ranges, between 6 and 8, where it exhibits its highest activity levels. However, as the pH values become more acidic or basic, the activity of trypsin decreases significantly.

At extremely low pH values, trypsin is denatured and cannot function efficiently. This is evidenced by the sharp drop in activity at pH levels below 4.

Therefore, the statement that best explains the activity levels of trypsin in Figure 1 is (D).

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The question wants the elaboration of a "curriculum" for a spefic cell highlighting the function of each organelle that the cell have.

The chosen cell was Animal Cell.

Animal cells are eukaryotic, enclosed by a plama membrane and with nucleus and organelles in they structure. Unlike the eukaryotic cells of fungus and plants, these cells do not have a cell wall, being the size range quite variable, as the animal kingdom has individuals of various sizes and shapes. The animal cells have multiple organelles that are responsible for the cell function, below will be described the organelles and their functions for cell survival and work:

- Cell membrane: the cell membrane acts as a barrier between the extracellular and intracellular environment, it is selectively permeable membrane that controls the entry and exit of materials (nutrients, molecules, toxic elements, etc). All the parts of the cells are enclosed by the cell membrane;

- Cytoplasm: Is where all the organelles of the cell are, being the intrecellular environment. The functon of cytoplsm is to maintain the shape of the cell (cytoskeleton and cytosol, respectively the network of filaments that give the cell shape and the gel-like fluid whithin the cell);

-Nucleus: the nucleous is the "brain" of the cells, it directs whats heppens. The nucleous contains the genectic information (DNA) that provides information required for the makiing of proteins that controls cells activities, like growth and cells division;

-Nucleolus: Is the most conspicuous domain of the eukaryotic cell. The main function of this organelle is the synthesis of RNA and ribosome genesis;

-Nuclear Membrane: Is the membrane that separates the nuclear content from the cytoplasm, acting similar to the plasma membrane;

-Endoplasmatic Reticulum (smooth and rough): The ER is where the protains are made. It is a network of membranes within the cytoplasm and are divided in two (smooth and rough). The smooth ER is in charge of several process including the synthesis of lipids, production of steroids hormones, and getting rid of toxic products for the cells. The rough ER have in the structure of the organelle tubules, cisternae, and vesicles, playing a important role in the production and processing of proteins for the cell;

-Ribosomes: They take and translate the information from tRNA that is needed to the synthesis of proteins, the ribosomes can be found attached to the rough ER or floating around the cytoplasm;

-Golgi apparatus: The Golgi apparatus acts like a "mailroom" for the cell, taking the proteins and lipids molecules that are processed by the ER and placing them into vesicles to be distributed in the cell or to the extracellular environment;

-Mitochondria: The mitochondria acts like the energy supplier for the cell, the function of this organelle is to take nutrients and produce the enregy needed to power the biochemical reactions of the cell, the energy takes the form of ATP that is used as a "rechargeable battery" for the cell;

-Vesicles: that organelles can help transport materials in the cytoplasm from a point to another and can work like lysosomes for the transport of toxic elements and waste;

-Lysosomes: they are membrane-bound organelle that contains enzymes required for digesting and reciclying cell by-products, as also getting rid of cellullar waste;

-Centrioles: centrioles produce cillia during interphase and the aster and spindle for cell division, it is a cylindrical organelle mainly made of tubulin. Cintrioles are vary important part of in the organization of the cell estructure and division, they work in the producion of proteins that are responsible to the targeting of genetic material during the cell division making possible the equal distribution of chromosomes in the daughters cells.

Answer:

RBCs ( Red blood carpuscles )

WBCs ( White blood carpuscles)

the dependent variable in this experiment  is the weight loss of the mice

The dependent variable is  described the variable being tested and measured in an experiment and is “dependent” on the independent variable.

We have  two variables present in the experiment which are ;

The time of the day varies from morning, noon to evening. This variable is independent of any other aspect and  will always be morning noon and evening  in every single day.

The time of the day shall determine the amount of weight loss and each time shall vary in the amount of weight loss.

In conclusion,  weight loss becomes our dependent variable.

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Complete question:

In an experiment, overweight mice are put on an exercise wheel every day for an hour. The scientist is exploring whether running in the morning, afternoon, or night leads to the greatest weight loss. The caloric intake of the mice remains the same. What is the dependent variable in this experiment? A. The time of day that the mice ran B. The size of the exercise wheel C. The weight loss of the mice D. The caloric intake of the mice

The maximum volume of air breathed in during the period of rest for each minute is 500 ml also known as tidal volume.

Tidal volume is simply each breath a person takes. It is a significant factor in both minute and alveolar ventilation. The quantity of air that enters the lungs each minute is measured by minute ventilation also referred to as total ventilation. It is a function of both tidal volume and respiratory rate.

A physiological term called tidal volume (Vt or TV) is used to indicate how much air is generally moved during inspiration and expiration when you are at rest. Spirometry, a non-invasive test, is used to measure it. Adults breathe on average seven milliliters (mL) every kilogram (kg) of ideal body weight.

When it comes to configuring the ventilator in critically ill patients, tidal volume is crucial. Delivering a tidal volume that is both large enough to sustain proper breathing and small enough to prevent lung trauma is the objective.

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Based on the angle of the femur, the organism is biped.

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The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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Answer:

Qualitative: relating to the quality of something, rather than the quantity,

Explanation:

In science, Qualitative observations could be things like "The object is smelly," "the object is red," or "the object is round."

On the other hand, Quantitative observations are scientific. They are things like "The object weighs 3.4 ounces," or "the object is 2 inches long."

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Answer:

This forms a covalent bond bringing the two atoms together to form an oxygen molecule. The shared electrons are most likely to be between the two oxygen atoms. This creates a negative charge region there to which the positive oxygen nuclei are attracted, thus forming the bound molecular state.

Answer:

a double bond.

Explanation:

When two oxygen atoms get close to each other, the attractions from the nucleus of both atoms attract the outer electrons. In this case, two electrons from each atom are shared. :))

Answer:

a chain of amino acids makes a protein

Answer: first 2 statements ie. It is essential that our diet provides these amino acids.

There are 20 essential amino acids.

Body can get essential amino acids through diet. Peanut butter contains essential amino acids in its composition. Thus, first and third option are correct.

Amino acids are fundamental in the synthesis of proteins in the body.

Everything in our body is made up of proteins. Thus, these proteins are made by amino acids through a complex process called translation.

There is total twenty different amino acids and they are required for the proper functioning of the body.

Amino acids are important in the metabolism of food. They help in maintaining a healthy digestive system.

Amino acids are required for normal growth and repair of worn-out cells in the body.

Several amino acids act as a precursor to hormone synthesis. They also function as signalling molecules.

Amino acids make up proteins and proteins are the crucial source of energy for the body.

Amino acids are helpful in maintaining healthy hair, skin and nails.

Therefore, amino acids are crucial for living organisms.

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Answer: Chesapeake Bay Executive Order and Two-year Milestones

In 2009, President Obama issued an executive order (EO 13508) that called on the federal government to renew the effort to protect and restore the watershed.

Yes, plastics have harmful effects not only on humans but also the animals specifically wildlife, as well as the environment.

Plastics are known to take a much longer time in order for them to be decomposed. Most plastics are made from harmful chemical which is also deterimental to human health. As the plastic decomposes, it also releases toxins to the environment. When plastics are being burned, they can also contribute to global warming since there is an emission of carbon dioxide (CO2).

The wildlife are affected by its improper disposal because they sometimes accidentally swallow plastics, which eventually might lead to death.

Unraveling past climate changes is important because it helps us to understand the causes and consequences of climate change.

Climate change refers to the long-term changes in temperature and weather patterns. These may be natural or man-made changes.

Some examples of climate changes include sea level rise, rapid loss of ice mass loss in Greenland, Antarctica, and the Arctic, changes in floral and plant blossoming, and extreme weather occurrences.

Some methods by which past climate changes can be detected include:

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Complete question:

Explain why unraveling past climate changes is important and discuss several ways in which such changes are detected.

All somatic cells contain the same genes, the only difference among them is on what genes are expressed. Therefore, this statement is true.

Answer:

Calvin cycle take place in the stroma the inner space of chloroplasts

The correct answer is C) the fluorescent cells can help track the movement of cells.

Explanation:

In the last years, geneticists and scientists created animals that glow in the dark by inserting a Green Fluorescent Protein or GFP gene found in some species of jellyfish. This protein was used in animals such as rabbits, rats, and even chickens. One of the key reasons for this is that by inserting fluorescence scientists can better observe the development and movement of cells. This includes analyzing cells reproduction and growing in embryos of "glowing" animals or inserting the protein in specific cells or organs in an organism to observe how these change or move. Thus, the purpose of studying fluorescent rabbits is that "the fluorescent cells can help track the movement of cells".

Answer:

In the liquid state, the hydrogen bonds of water can break and reform as the molecules flow from one place to another. When water is cooled, the molecules begin to slow down. Eventually, when water is frozen to ice, the hydrogen bonds become permanent and form a very specific network.

Explanation:

Answer:

transcribed

cytoplasm

tRNA

Ribosomes are located in the cytoplasm, the fluid material that comprises the cell. In prokaryotes, ribosomes freely float in the cytoplasm. In eukaryotes, ribosomes can be both freely floating and membrane-bound. The ribosome's role in gene expression is to synthesize proteins based on the instructions provided by mRNA. The mRNA strand is made from the cell's DNA and tells the ribosome how to construct the cell's necessary proteins.

The ribosome is essential for protein synthesis, so it is part of translation and not transcription. The ribosome reads instructions from mRNA and "translates" them into proteins.

Prokaryotes and eukaryotes have some major structural differences, so the details of protein synthesis differ between these two types of organisms as well. Prokaryotic organisms such as bacteria do not have a cell nucleus, so the cell's DNA floats freely in the cell. In eukaryotic organisms such as humans, the cell's DNA is located in the nucleus, while the ribosome is located in the cytoplasm.

Eukaryotic ribosomes are also larger and more complex than prokaryotic ribosomes.

Transfer RNA, or tRNA, provides a physical link between the codons of the mRNA and the amino acids to be added to the polypeptide chain. Specific tRNA molecules are bound to specific amino acids, and tRNA that is complementary to the mRNA codon enters the ribosome and transfers its amino acid to the growing polypeptide chain.

Ribosomal RNA, or rRNA, is an important component of the ribosome. Both eukaryotic and prokaryotic ribosomes contain rRNA. rRNA and proteins together carry out the functions of the ribosome.

If there are no ribosomes present in the cell, proteins cannot be made. Without protein synthesis, cells cannot accomplish their necessary functions, and the organism will die.

Explanation:

Answer:

The answer is C. It has increased about 50% since 1750.

Old Testament references to Christ's pre-existence include Isaiah's prophecy of the birth, Anna's role as a prophetess, Jerusalem as the site of the Temple, and his existence before the Incarnation as the source of eternal life.

Jesus' birthdate is not mentioned in the gospels or any historical documents, although the majority of biblical experts concur that it occurred between 6 BC and 4 BC, the year of King Herod's execution.

Thus, the Holy Spirit circumvented the requirement for a human father in the singular miraculous act of conception and sanctified Mary to be the unpolluted mother of the incarnate Son of God. Second, because Jesus was born a, he was able to be fully human.

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Answer:

i think it is the cells

Explanation:

A tale that describes an environmental change and the importance of genetic variation is a tale of the giraffes that had longer necks that helped the species survive this change.

Once upon a time there was a group of  giraffes, and the giraffes that had the shortest neck, disdained the giraffes with the longer neck, but with global warming, the smaller trees died and only the larger trees, with deeper roots survived, as a result, those with small necks did not survive, and those with long necks prevailed.

With this information, we can conclude that a tale that describes an environmental change and the importance of genetic variation is a tale of the giraffes that had longer necks that helped the species survive this change.

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Answer:

During the process of photosynthesis,lights penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.

Explanation:

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Anaphase occurs during the M phase (mitosis) of the cell cycle and is not represented by any of the provided options (A, B, C, or D).

Therefore, the correct answer is not provided in the given options. Anaphase occurs during the M phase or mitosis and is not associated with any specific phase (A, B, C, or D) mentioned in the question.

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Answer:

D. None of the above

Explanation:

I took the quiz.

Answer:

It's D. None of the above

Explanation: hope it helps ^w^

The two methods that allow fish to maintain water balance in saltwater are pumping out salt through the gills and absorbing water into the body by osmosis.

In saltwater, the concentration of dissolved salts is higher in the surrounding water than in the fish's body cells. To maintain water balance, fish have developed two main methods:

1. Pumping out salt through the gills: Fish possess specialized cells in their gills that actively pump out excess salts from their bodies. This process helps maintain a lower salt concentration within the fish's body, preventing dehydration and maintaining water balance.

2. Absorbing water into the body by osmosis: Osmosis is the movement of water from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. Fish have a protective layer of skin that allows water to be absorbed into their bodies while preventing the entry of excessive salts.

By absorbing water through their skin, fish replenish the water lost to the surrounding saltwater, helping to maintain their internal water balance.

These two mechanisms work together to enable fish to survive in saltwater environments. By actively pumping out salts and absorbing water, fish can regulate their internal salt concentration and prevent dehydration, ensuring their overall water balance is maintained.

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