a muscle cell is obtained and studied with electron microscopy. the study reveals that it has very few mitochondria. what kind of muscle fiber is it?

Answer:

Injury to the alveolar-capillary membrane  

Increased alveolar-capillary permeability  

Decreased lung compliance

Explanation:

Acute respiratory distress syndrome (ARDS) is a serious health problem that affects the lungs, which is caused by significative amounts of fluid that fill the air sacs. ARDS may be caused by distinct conditions such as, for example, pneumonia, sepsis, and traumatic injury. ARDS is a type of respiratory failure that results in decreased oxygen levels and increased carbon dioxide (CO2) concentration into the bloodstream.

There is one peak and a river valley are two correct statements for the topographic map.

A topographic map is a type of map that uses contour lines to show the shape and elevation of the Earth's surface. These maps are commonly used by hikers, surveyors, and other outdoor enthusiasts to navigate and plan routes.

Topographic maps provide detailed information on the terrain, including the locations of mountains, valleys, rivers, and other natural features. The contour lines on the map connect points of equal elevation, allowing users to visualize the three-dimensional shape of the land. Topographic maps also provide other important information, such as the location of roads, buildings, and other man-made structures, as well as geographic coordinates for specific locations.

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On average, infants (1 year) have a normal breathing rate of about 30-40 breaths per minute. By the time they reach puberty (around 12-14 years), the normal breathing rate is similar to that of adults, which is typically 12-20 breaths per minute.

Children's breathing rates change depending on their age and degree of exercise. Infants, who are under 1 year old, typically breathe more quickly than older kids and adults. Their typical breathing rate is between 30 and 40 breaths per minute. Children's breathing rate typically slows down as they age and their bodies develop.

Their breathing rate begins to resemble adults' by the time kids hit puberty, which typically happens between the ages of 12 and 14. At this age, children normally breathe 12 to 20 times per minute, which is similar to the average adult breathing rate. It's crucial to remember that these are merely basic recommendations and that unique deviations may arise.

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Answer:

ayúdame por favor lo necesito

Explanation:

Structural protein is the proteins which is not a category of proteins that are used in cell signaling.

What is meant by cell signaling?

the process by which a cell responds to external stimuli using molecules that act as both internal and external signalling molecules.

What is the function of cell signaling?

Critical cellular decisions like development, cell growth, division, differentiation, migration, and apoptosis are governed by cell signalling, which essentially provides the coordination needed for multicellular organisms to function.

What is protein cell signaling?

A cell signalling image is displayed. proteins

To bind to signalling molecules and start a physiological response, cells have proteins known as receptors. For various molecules, different receptors exist.

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Answer:

B. Animal Neglect

Answer:A diseases carried by animals

Explanation:

In an hypertonic solution, red cells would experiment loss of water, which translates into reduction of the volume of the cytosol, and eventually crenation, which means the destruction of the cell by dehydration (D).

Answer:

i need the choices

Explanation:

A low fat milk exchange typically contains around 12 grams of carbohydrates.

A low fat milk exchange typically contains about 12 grams of carbohydrates per serving. This is because milk naturally contains a type of sugar called lactose, which contributes to the carbohydrate content. However, the exact amount may vary slightly depending on the brand and type of milk. Choosing low fat milk can be a good option for those looking to limit their fat intake, while still getting the essential nutrients found in milk, such as calcium, vitamin D, and protein. It's important to keep in mind that individuals with lactose intolerance may need to choose lactose-free milk options.

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Answer:

Frigid temperatures, etc.

Explanation

The tundra has very low temperatures and a layer of permafrost over the soil. It has characteristics similar to the desert and it also has a short summer and a long, freezing winter. Therefore, there are not many flora variations that can thrive in that biome.

Answer:

The tundra experiences little rainfall, which makes the soil devoid of nutrients. The soil is permafrost, or permanently frozen. Both of these factors make it difficult for plants to grow in the tundra.

Explanation:

edge 2020

The evolutionary steps in order are:

1. Vascular non-seed plants evolve

2. Vascular seed plants evolve (gymnosperms)

3. Vascular flowering plants evolve (angiosperms)

4. Non-vascular plants evolve

The correct order of the evolutionary steps is as follows: The first step is the evolution of vascular non-seed plants. These plants possess specialized tissues for conducting water and nutrients but do not produce seeds. Examples include ferns and horsetails.

The next step is the evolution of vascular seed plants, known as gymnosperms. Gymnosperms have vascular tissue and produce seeds that are not enclosed in a fruit. Examples include conifers like pine trees and spruces.

The third step is the evolution of vascular flowering plants, also known as angiosperms. Angiosperms are the most diverse group of plants and produce flowers and fruits. They have specialized structures for sexual reproduction and enclose their seeds within fruits. Examples include roses, apple trees, and grasses.

The final step is the evolution of non-vascular plants, often referred to as bryophytes. These plants lack true vascular tissue and include mosses, liverworts, and hornworts. It is important to note that these evolutionary steps occurred over millions of years, with each group building upon the innovations of the previous group, leading to the diverse plant kingdom we see today.

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Although it only makes up roughly 5% of the world's population, the United States is the source of 30% of the world's energy consumption and 28% of its carbon emissions.

emissions of carbon dioxide.The most important greenhouse gas released by human activity is carbon dioxide (CO2).Almost 79% of all greenhouse gas emissions caused by human activity in the United States in 2020 were CO2.

Using fossil fuels for transportation, heat, and power is the main cause of human-related greenhouse gas emissions in the United States.The Catalog for U.S. Greenhouse Gas Emissions & Sinks, published by the EPA, keeps track of all U.S. emissions.

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The position and shape of the bones in the forelimbs of four present vertebrates were studied.

Two of the organisms seem to be more closely related to each other then to the other vertebrates this relationship was most likely based on evidence using the field of Comparative anatomy

What is comparative anatomy?

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Answer:

5

Explanation:

Answer:

B.) 5

Explanation:

\(\huge\boxed{\textbf{Option D}}\)

Viruses are considered to be the simplest form of life. The term virus is latin word which means Poison. These are extraordinary tiny particles and some of them can not be seen even under the electronic microscope. These are considered as a connecting link between living and non-living and lie on the border of living and nonliving things.

These are composed of small number of macromolecules i.e. DNA or RNA and Proteins, sometimes glycoprotein and lipoproteins are also present. Viruses are Obligate parasite i.e. they totally depends on the host. They can infect and parasitize all forms of life including bacteria.  Following are the character of Virus,

Living Character:

Non-living Character:

Discovery: It was discovered from the tobacco mosaic disease which causes the leaves of tabbaco to be mottled.

The given statement "the galvanic skin response measures an increase in water and electrolytes at the skin surface." is true because the galvanic skin response measures changes in skin conductance, which indirectly reflects the increase in sweat and electrolytes at the skin surface.

The galvanic skin response (GSR), also known as electrodermal activity (EDA) or skin conductance, measures the electrical conductance of the skin, which is influenced by the presence of sweat and its electrolyte content.

When a person experiences emotional or physiological arousal, such as stress or excitement, the activity of sweat glands increases, leading to an increase in the amount of sweat and the concentration of electrolytes on the skin surface. This increase in sweat and electrolytes enhances the skin's conductivity, which is measured by GSR sensors.

Thus, the given statement is true.

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Answer:

the answer would be B the production of human insulin

Answer:

The competitive exclusion principle

Explanation:

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Answer:

High specific heat capacity, density, polarity and hydrogen bonding.

DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.

DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

You will find the labelled Image in the attached files.

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Answer:

if the weight force down on the object is more than the upward push of the water then the object will sink, and reversed for rising

Explanation:

i found the answer online lol, hope this helps! :)

Answer: B. The distribution of some groups of ostrich like birds may have been influenced by continental drift in what is known as Pangea.

Explanation:

Answer:

B. The distribution of some groups of Ostrich-like birds may have been influenced by continental drift in what is known as Pangea

Explanation:

Answer:

d AND C

Explanation: