Protoplasm is the viscous material that supports all internal cellular structures of the organism.
The viscous material that holds all internal cellular structures in place is known as protoplasm. Protoplasm is used by the cell to perform all vital tasks. The protoplasm performs a number of functions, including as transforming food into living tissue, getting rid of waste, delivering nutrients and oxygen, replacing their worn-out parts, and helping to produce new cells. Protoplasm is sometimes referred to as the structural core of the cell since it serves as the main building block for protoplasm development. It contains a variety of components, including as lipids, proteins, carbohydrates, and nucleic acids.
Most of the time, protoplasm is made up of three elements: the cytoplasm, plasma membrane, and atomic nucleus
Among other things, protoplasm helps with carrying food supplies, removing waste, fostering growth and development, and reproduction.
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the presence of a rhinarium indicates what about the species? group of answer choices a low dependence on sense of smell a nocturnal animal a diurnal animal a high dependence on sense of smell it is a primate
The rhinarium is a moist, hairless pad at the end of the nose in many mammals.
It contains nerve endings that aid in the sense of smell. The presence of a rhinarium indicates a high dependence on the sense of smell for the species. This is because the nerve endings in the rhinarium provide additional olfactory information to the animal's brain, allowing it to better navigate its environment and identify potential food sources or dangers.
Animals that have a rhinarium typically rely heavily on their sense of smell, and may have a reduced reliance on other senses, such as vision or hearing. This is especially true for nocturnal animals, as they must rely on their sense of smell to navigate in the dark.
In contrast, diurnal animals may still have a rhinarium, but they may rely more on their other senses, such as vision, for navigation and identifying food sources.
Overall, the presence of a rhinarium is a useful indicator of a species' reliance on the sense of smell, and can provide insights into their behavior and ecology.
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Which event occurs during telophase of mitosis?cytoplasm dividesnuclear membranes reformsister chromatids separatechromosomes become visible
During the Telophase, the daughter chromosomes reach the poles. Telophase passes into the next interphase as the nuclear envelopes and the nucleoli re-form and the chromatin becomes diffuse.
On the other hand, remember that cytokinesis starts during the nuclear division phase called anaphase and continues through telophase. Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells.
We can conclude that the correct answers are:
Answer:Nuclear membranes reform
and
Cytoplasm divides
Subject Course : Earth Science
1.
What kind of breeze occurs during the day in coastal areas?
sea breeze
valley breeze
mountain breeze
land breeze
2.
What is the main factor that affects local winds?
trade winds
the Coriolis effect
uneven heating of Earth’s surface
altitude
3.
What type of breeze occurs near mountains at night?
valley breeze
land breeze
mountain breeze
sea breeze
*I will provide Brainliest if given correct answers.
Answer:
Subject Course : Earth Science
1.
What kind of breeze occurs during the day in coastal areas?
✔️ breeze
valley breeze
mountain breeze
land breeze
2.
What is the main factor that affects local winds?
trade winds?
✔️the Coriolis effect
uneven heating of Earth’s surface
altitude
3.
What type of breeze occurs near mountains at night?
valley breeze
land breeze
✔️mountain breeze
sea breeze
Explanation:
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Which of the following is categorically not true about nuclear receptors?
A. They require ligand before binding to the hormone response element (HRE).
B. They bind to DNA mostly as homo or heterodimers.
C. They can act to repress transcription at certain promoters.
D. They bind to two Zn
2
+
2+ ions.
E. They can be located in the cytoplasm or the nucleus.
The correct option is E. They can be located in the cytoplasm or the nucleus.
Nuclear receptors are a class of transcription factors that regulate gene expression in response to small molecules, hormones, and other signals. They are present in the nucleus, where they bind to DNA and control the transcription of genes into messenger RNA. This process regulates a wide variety of physiological and developmental processes, such as metabolism, reproduction, and immune function.
Nuclear receptors have a modular structure that consists of a ligand-binding domain (LBD), a DNA-binding domain (DBD), and a variable N-terminal domain. The LBD is responsible for binding to specific ligands, such as hormones or other small molecules, which triggers a conformational change that allows the receptor to interact with co-regulatory proteins and initiate gene transcription.
Some of the features of nuclear receptors are as follows:They are activated by small molecules, hormones or other ligands.They have a modular structure that includes an LBD, DBD, and variable N-terminal domain.They are transcription factors that regulate gene expression.They bind to specific DNA sequences, known as hormone response elements (HREs).
However ,one categorically not true statement about nuclear receptors is that they can be located in the cytoplasm or the nucleus. This is not true because nuclear receptors are only present in the nucleus, where they interact with DNA to regulate gene expression. They do not have any functional role in the cytoplasm, which is the region of the cell outside the nucleus.
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Which statement is true regarding cystic fibrosis? It is autosomal-dominant. It affects endocrine glands. It is common in African Americans. It is the most common genetic disease in the United States.
Answer:
The correct answer is - It is the most common genetic disease in the United States.
Explanation:
Cystic fibrosis is the genetic disease that affects the several body system and organ such as lungs and digestive system. This hereditary disease is autosomal recessive.
It is not common in ethnic populations such as African Americans and Asian Americans while in white population of US it is a very common genetic disease as it occurs in one individual in every 2500 to 3500 white infants.
Thus, the correct answer is - It is the most common genetic disease in the United States.
what was the role of commissioner with the Exxon Valdez
The Exxon Valdez oil spill commissioner's duties included determining what caused the leak and supervising the cleanup process.
The commissioner's position at Exxon ValdeLarossi was instrumental in managing the spill cleanup operations in his capacity as Commissioner. Exxon and thousands of volunteers worked tirelessly to contain and remove the oil from the impacted areas during the cleanup. The reaction to the leak received harsh criticism for being delayed and inadequate as well as for the harm the oil caused to the ecosystem.
One of the biggest environmental catastrophes in US history the Exxon Valdez oil spill had a profound impact on how the oil industry was regulated and how oil spills were handled.
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controls passage of materials between nucleus and cytoplasm is ?
The structure that controls the passage of materials between the nucleus and cytoplasm is the nuclear envelope.
The nuclear envelope is a double-membrane structure that surrounds the nucleus and separates it from the cytoplasm in eukaryotic cells. It consists of an inner and an outer membrane, which are separated by a perinuclear space.
The inner membrane is continuous with the endoplasmic reticulum, while the outer membrane is continuous with the cytoplasmic membrane.
The nuclear envelope plays an important role in maintaining the integrity of the genome and controlling the exchange of materials between the nucleus and cytoplasm. It contains nuclear pore complexes, which serve as gatekeepers for the exchange of macromolecules, such as RNA and proteins, between the nucleus and cytoplasm.
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What causes the differences in average temperature and the changes
in day length that we associate with change in seasons on Earth?
Answer:
The Earth's axial tilt is what causes the differences in average temperature that are associated with the change in seasons on Earth
Explanation:
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what does the above figure show about plant behavior, and what are two examples of parasitic plants?
The provided information does not include an above figure, making it impossible to determine what it shows about plant behavior. However, I can provide information about parasitic plants and their examples.
Without the mentioned figure, it is not possible to describe what it shows about plant behavior. However, parasitic plants are a type of plants that obtain nutrients and water from other plants, known as hosts. They have adapted to attach themselves to the host plants and derive their nutrients through specialized structures such as haustoria. Two examples of parasitic plants are the Dodder (Cuscuta spp.) and the Rafflesia (Rafflesia spp.). Dodder is a leafless, vine-like plant that wraps itself around the host plant, penetrating its vascular system to extract nutrients. Rafflesia is a parasitic flowering plant known for producing the largest individual flower on Earth. It lacks leaves, stems, and roots and relies on the Tetrastigma vine as its host for nutrients and water.
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list the function done by living organisms
Answer:
Respiration,Growth,Nutrition ,Reproduction and Excretion
Explanation:
Mike has a problem with his testosterone. He is unable to produce enough. Which will most likely be affected by his inability to produce testosterone? Select two options.
Answer:
Fruits will be a great choice. Such as strawberries.
Explanation:
Help please! it’s urgent
TAFs ___ and ___ make contact with the Initiator region of the promoter.
5 and 9
12 and 4b
6 and 9
1 and 2
TAFs 6 and 9 make contact with the Initiator region of the promoter. TAFs, or TATA-box Binding Protein Associated Factors, are essential components of the transcription pre-initiation complex. The correct option is 6 and 9.
The Initiator region is a crucial part of the promoter sequence in DNA that helps in initiating transcription. TAFs assist the TATA-box Binding Protein (TBP) in binding to the TATA box, which is found in the promoter region of many genes. TAFs, along with TBP, form the TFIID complex, which plays a vital role in recruiting other general transcription factors and RNA polymerase II to the promoter.
This assembly of factors ultimately leads to the initiation of transcription, allowing the gene to be expressed as RNA. In summary, TAFs 6 and 9 are essential components of the transcription machinery that make contact with the Initiator region of the promoter, helping initiate the transcription process and ensuring proper gene expression. Hence, 6 and 9 is the correct option.
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Describe the process of natural selection in your own words(DO NOT COPY FROM INTERNET)
Answer:
Natural selection is when a animal adapts to the area around it and it passes its genes down to it offspring
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which type of muscle would fatigue faster, one that has many blood vessels or one that has fewer blood vessels? explain.
Fewer blood vessels because it has lower oxygen capacity.
Arteries, veins, and capillaries are the three different types of blood vessels. Each of these contributes in a very particular way to the circulation process.
Away from the heart, arteries transport oxygenated blood. They have a hard exterior but a smooth internal layer of epithelial cells that promotes easy blood flow. A thick, muscular intermediate layer is also present in arteries, which aids in the movement of blood throughout the body. Veins and arteries are linked by capillaries. Blood that is rich in oxygen is transported from the arteries to the capillaries, where the actual exchange of oxygen and carbon dioxide takes place. The waste-rich blood is subsequently transferred through the capillaries to the veins, where it is then circulated back to the heart and lungs.
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which area in the brain gets subdued as a result of hypnosis that does not let a person experience pain?
The area in the brain that is believed to be subdued during hypnosis, resulting in the reduction or altered experience of pain, is the anterior cingulate cortex (ACC).
The ACC is a region of the brain involved in various cognitive and emotional processes, including the perception and modulation of pain. It plays a role in processing the emotional and motivational aspects of pain, as well as directing attention to pain-related stimuli.
During hypnosis, research suggests that the ACC's activity may be reduced or altered, leading to changes in pain perception. This can result in a decreased sensitivity to pain or a dissociation from the unpleasantness associated with it.
Studies using functional magnetic resonance imaging (fMRI) have shown that hypnosis can modulate brain activity in the ACC. In one study, participants under hypnosis exhibited decreased activity in the ACC when subjected to painful stimuli compared to when they were not hypnotized.
It's important to note that the exact mechanisms by which hypnosis influences the brain and pain perception are still not fully understood. Hypnosis is a complex phenomenon, and its effects can vary among individuals. The brain's response to hypnosis may also depend on factors such as suggestibility, individual differences in brain function, and the specific hypnotic suggestions given.
While the ACC is implicated in the analgesic effects of hypnosis, it is worth mentioning that other brain regions and neurochemical processes are also involved in pain modulation. These include the prefrontal cortex, insula, somatosensory cortex, and the release of endogenous opioids.
In summary, the anterior cingulate cortex (ACC) is thought to be subdued or altered during hypnosis, leading to a reduction or changed experience of pain. However, the neurobiological mechanisms underlying hypnosis and its effects on pain perception are complex and require further research for a comprehensive understanding.
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In 2-3 sentences, describe the Hertzsprung-Russell diagram. What is it used for? What factors does it use to classify stars?
Explanation:
The Hertzsprung-Russell diagram is a graph that plots the temperature of a star against its absolute magnitude or luminosity. It was created by astronomers Ejnar Hertzsprung and Henry Norris Russell about 1910, and can be used to chart the life cycle or evolution of a star.
What is the main cause of competition between two species?
Answer: Overlap in niches-
Explanation:
what type of animal is a girrafe?
Answer:
It is an African artiodactyl mammal
Explanation:
Answer:
Explanation:
i strongly believe it is It is an African artiodactyl mammal
hope it helps
-Delilah
the emts should provide patients with viral respiratory infections:
Emergency Medical Technicians (EMTs) should provide patients with viral respiratory infections with medical care that is tailored to their specific needs.
This includes assessing the patient's vital signs and oxygen levels, providing supplemental oxygen if needed, and administering medications to alleviate symptoms. Additionally, EMTs should provide patients with information on how to prevent the spread of the virus, including frequent hand-washing, covering their mouth when coughing or sneezing, and avoiding close contact with others as much as possible.
It is also important to keep the patient in an upright position if possible to help with breathing. In addition to these measures, it is important to monitor the patient's symptoms and make sure they are receiving adequate hydration. EMTs should also pay close attention to the patient's mental health, as the isolation associated with viral respiratory infections can lead to depression or anxiety.
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Complete question is :
the emts should provide patients with viral respiratory infections. explain.
Why are plants and animals called multicellular organisms?
Answer:
Plants and animals are called multicellular organisms because they are made up of more than one cell. Unlike unicellular organisms such as bacteria and protozoa, which consist of a single cell, plants and animals have specialized cells that are organized into tissues, organs, and organ systems. These cells work together to perform specific functions, such as obtaining nutrients, exchanging gases, and responding to the environment.
Multicellularity allows plants and animals to achieve a higher level of complexity and specialization than unicellular organisms, which can only perform limited functions. It also allows for greater efficiency in tasks such as movement, growth, and reproduction. The specialization of cells and tissues in multicellular organisms is one of the key features that distinguishes them from unicellular organisms, and it is essential for the proper functioning of these organisms as a whole.
Help! The is a question about enzymes.
ans is no 3
Explanation:
If you saw a pressure center like the one shown above on a weather map, what would you predict about the weather? What questions would you need to ask in order to make a better prediction?
If you saw a pressure center like the one shown above on a weather map, then it signifies the presence of a cyclone and the question to be asked is the direction of the wind in both hemispheres.
What is Cyclone?This is referred to as a weather condition which is characterized by a large air mass that rotates around a strong center of low atmospheric pressure and the opposite of this is referred to as anticyclone in terms of the wind direction in the northern and southern hemisphere.
In the case of a cyclone, the wind moves counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere as depicted in the diagram given while the anticyclone moves clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere.
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immature b cells express – , and mature b cells express – . maturation completes in the secondary lymphoid tissues in the – . there, the immature b cells interact with – and receive a – . quizlet
Immature B cells express IgM, IgD, CD19, and CD20. Mature B cells express IgD, IgM, CD19, CD20, and CD21.
Immature B cells express surface markers such as IgM and IgD, along with CD19 and CD20. These markers are involved in B cell receptor signaling and activation. Mature B cells, on the other hand, express surface markers including IgD and IgM, as well as CD19, CD20, and CD21.B cell maturation completes in the secondary lymphoid tissues, primarily in the spleen and lymph nodes. Within these tissues, immature B cells interact with specialized antigen-presenting cells called follicular dendritic cells (FDCs). FDCs present antigens to the immature B cells, triggering their activation and initiation of the immune response.During the interaction with FDCs, immature B cells receive signals through their B cell receptors, leading to clonal expansion and differentiation into plasma cells or memory B cells. This process is crucial for the generation of an effective humoral immune response.In summary, immature B cells express IgM, IgD, CD19, and CD20, while mature B cells express IgD, IgM, CD19, CD20, and CD21. B cell maturation completes in secondary lymphoid tissues, where immature B cells interact with follicular dendritic cells and receive signaling for their activation and differentiation.Complete question should be What are the surface markers expressed by immature B cells, and what markers do mature B cells express? Where does B cell maturation complete in the secondary lymphoid tissues, and what do immature B cells interact with to receive a signal?
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Which of these organisms is not matched to the main type of nitrogenous waste it excretes?
Reptiles−−uric acid
Terrestrial insects−−uric acid
Freshwater fishes−−ammonia
Marine fishes−−ammonia
The correct option is B -Terrestrial insects−−uric acid.
The species that is incompatible with the main sort of nitrogenous waste it excretes is an insect that lives on land. The correct response for terrestrial insects is "uric acid," not "ammonia."
The primary nitrogenous waste excreted by terrestrial insects, such as insects and spiders, is uric acid. Uric acid is a somewhat insoluble waste product that requires less water for excretion in organisms living in dry or terrestrial settings.
Hence option B is correct.
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Why did the population of stag horn's increase during the black band infection?
The population of stag horn's increase during the black band infection because they were not affected and there was less competition.
What is the stag horn?The stag horn is a type of coral found in coral reefs.
The stag horn is branching cylindrical coral.
The black band disease of corals is a microbial disease which results in tissue degradation of corals
During the black band disease of corals, the stage horns were not affected.
Therefore, the population of stag horn's increase during the black band infection because they were not affected and there was less competition.
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what structural features of alveoli make them an ideal place for gas exchange
The structural features of alveoli make them an ideal place for gas exchange due to their large surface area and thin walls.
Alveoli are tiny, balloon-like structures found in the lungs. They are surrounded by an extensive network of capillaries, where the exchange of gases takes place. The large number of alveoli in the lungs provides a significantly large surface area for gas exchange to occur. This increased surface area allows for a greater amount of oxygen to diffuse into the bloodstream and carbon dioxide to be removed efficiently. Furthermore, the walls of the alveoli are extremely thin, consisting of a single layer of epithelial cells. This thinness enables gases to diffuse quickly across the alveolar membrane. The close proximity of the alveolar walls to the capillaries allows for a short diffusion distance, ensuring a rapid exchange of gases. Overall, the combination of the large surface area and thin walls of alveoli maximizes the efficiency of gas exchange in the lungs, facilitating the uptake of oxygen and the removal of carbon dioxide from the bloodstream. This ensures an adequate oxygen supply for cellular respiration and the elimination of waste gases produced by metabolic processes.
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Which is not part of the conducting portion of the respiratory system?
A. Alveoli
B. Trachea
C. Larynx
D. Nasal cavity
E. Bronchi
The conducting section of the respiratory system does not include alveoli.
What does the term "respiratory system" mean?The respiratory system is a biological system found in both plants and animals that is made up of certain organs and structures used for gas exchange. The anatomy and physiology that contribute to this vary considerably depending on the size of the creature, its habitat of habitation, and its evolutionary history.
The respiratory system is what?Your lungs, airways, and blood arteries are part of it. The respiratory system also includes the muscles that move your lungs. Together, these elements aid in the body's oxygen circulation and waste gas elimination.
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In the three-domain system, the eukaryotes are represented.
Answer:
subdivides the prokaryotes into two different domains
Explanation:
The three domain system is based on differences in the ribosomal DNA of cells (16 S rRNA). In the three-domain system, Organisms are classified into three domains, namely:
Archaea
Bacteria
and Eukarya
Archaea and bacteria prokaryotes while Eukarya are the eukaryotes . Therefore, the three domain system sub-divided prokaryotees into two different domains.
Before the three-domain system, the five kingdom classification was popular, this is where plants (plantae), animals (animalia) and fungi were classified into their own Kingdoms.
1. Circle all below that are examples of homeostasis.
A. Oxygen content in the bloodstream is low, so the heart pumps faster and speed/depth of breathing
increases.
B. Insulin is released by the pancreas to encourage cells to retain their glucose instead of releasing it
into the blood stream.
C. The kidneys work to remove excess salt, urea, and water from the bloodstream.
D. Warm blooded (endothermic) animals sweat to release heat, or shiver to increase metabolic activity
and increase body temperature.
E. Mitochondria create ATP through proton pumps in order to power the cellular processes.
Homeostasis is an important process that helps organisms maintain a balanced internal environment. Here, all the options are correct so all the options will be circled.
Examples of homeostasis include when oxygen content in the bloodstream is low, causing the heart to pump faster and the speed/depth of breathing to increase.
Additionally, insulin is released by the pancreas to encourage cells to retain their glucose instead of releasing it into the bloodstream, and the kidneys work to remove excess salt, urea, and water from the bloodstream. Warm-blooded (endothermic) animals sweat to release heat or shiver to increase metabolic activity and increase body temperature.
Lastly, mitochondria create ATP through proton pumps in order to power the cellular processes. Homeostasis is a complex process that is essential for maintaining balance in an organism’s internal environment, allowing it to survive and thrive.
Therefore, all the options are correct.
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