What is the name of muscle's state of perpetual partial tension?

Answers

Answer 1
In healthy humans, our muscles are always a little bit tensed, or in a state of perpetual partial tension. This is called muscle tone. It keeps the bones and joints stable, and prevents muscles that are not being actively used from beginning to atrophy. This is not a conscious process; we don't think about keeping muscles partly active, the body just does it.
Answer 2

Muscle tone, or tonus, is the state of perpetual partial tension in muscles. It allows muscles to maintain posture and readiness for action, while muscle tension can vary to handle different levels of load.

The name of the muscle's state of perpetual partial tension is muscle tone or tonus. This state helps to maintain posture and ensures that muscles are ready for action. The control of muscle tension involves neural control that initiates the formation of actin-myosin cross-bridges. The tension a muscle produces can vary, allowing it to handle different levels of load, from light objects to heavy objects. During an isotonic contraction, tension in the muscle remains constant as the muscle changes length. Factors like the cross-sectional area of the muscle fiber and the frequency of neural stimulation influence the amount of tension produced.


Related Questions

Which food provides the least amount of available zinc?​?

Answers

Don’t know your choices but I know that Legumes is one.

A client with sepsis begins having labored breathing, confusion, and lethargy. what complication should the nurse assess for in this client

Answers

Final answer:

The client's symptoms suggest a potential development of septic shock, a life-threatening complication of sepsis. It can cause damage to critical organs and lead to organ failure, even death if not treated promptly. Bacterial infections are the most common pathogens leading to this condition.

Explanation:

The presentation of labored breathing, confusion, and lethargy in a patient with sepsis could indicate a severe complication known as septic shock. This is a life-threatening condition caused by an inflammatory response that becomes dysregulated due to the body's attempt to combat the infection. This overwhelming response can lead to damage to critical organs, such as the heart, lungs, liver, and kidneys.

Typically, patients showing signs of septic shock exhibit increased heart and respiratory rates, and confusion, and can rapidly deteriorate into a state of shock. They may experience complications such as disseminated intravascular coagulation (where small blood clots develop throughout the bloodstream), which can lead to organ failure and is often followed by fever, jaundice, and hypotension. If not treated promptly and effectively, septic shock can lead to renal or liver failure and potentially death.

Bacterial infections are the most common cause of sepsis and septic shock, with common sources including pneumonia, intra-abdominal infections, urinary tract infections, or infections related to indwelling catheters or wounds.

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How is the embryological development of a vertebrate animal (frog or bird) similar to that of an echinoderm (starfish or sea cucumber)?

Answers

They both help shape how the animal looks like today, & with the traits that the development gives to the animals, it helps them do the tasks they need to do to survive easily. Without these development, the species would become extinct sooner or later


hope this helps

the endomembrane system includes:

a. ribosomes, lysosomes, vacuoles, and the endoplasmic reticulum b. golgi apparatus, ribosomes, vacuoles, and the endoplasmic reticulum c. golgi apparatus, lysosomes, ribosomes, and the endoplasmic reticulum d. golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum

Answers

D is the true answer
Final answer:

The endomembrane system of a cell comprises the Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum. It does not include ribosomes. This system works together to synthesize, transport, and modify proteins and lipids.

Explanation:

The endomembrane system in a cell includes several different components that work together to transport and modify proteins and lipids. These components include the Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum. The correct option for your question is therefore option d: Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum.

The endoplasmic reticulum (ER) is where proteins and lipids are synthesized, the Golgi apparatus modifies and sorts these molecules, the vacuoles store substances, and the lysosomes act as the cell's digestive system, breaking down waste materials and cellular debris.

It's important to note that ribosomes are not part of the endomembrane system. They are involved in protein synthesis, but they are part of a different cellular system.

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Some proteins that are on the surface of mammalian cells are glycosylated. these proteins are synthesized by _______ and glycosylated in the

Answers

https://kamsc.github.io/assets/links/Biology%20for%20Dummies.pdf go here for the answers

bacteria are the simplest single cells that ____.

a. Carry out all basic Life activities

b. are highly organized

c. include all cells and organelles

d. all have the same function

Answers

Carry out all basic life activies.
Answer:

The correct option is A which is they carry out all basic life activities.

Explanation:

Bacteria are simplest organism known to exist.

This simplicity is in their structure and somehow in function also.

It does not mean they have lack of metabolism or structural features.

Instead they carry all the functions and structure which distinguish them from non living organism.

Some of these structures are:

Genetic material.Cell wall.Cell membrane.Ribosomes.

Metabolism of bacteria:

Respiration.Photosynthesis(not all)Digestion (In some ingestion)Defense system.

How does a sunflower maintain homeostasis?

Answers

Final answer:

Sunflowers maintain homeostasis by using negative feedback mechanisms to regulate their inner environment. They adjust their physiological processes in response to environmental stimuli, like variations in temperature or water availability, and use the energy from photosynthesis to support growth and reproduction. The timing of flower maturity and sugar to fat conversions in seeds helps ensure survival.

Explanation:

Like all living organisms, sunflowers maintain homeostasis, the process of maintaining a stable internal environment despite changes in the external environment. Sunflowers use various strategies to regulate their internal conditions to ensure proper function and growth. One key example of a sunflower's ability to maintain homeostasis is their engagement in photosynthesis, using the C3 photosynthetic pathway. The sunflower is a photosynthetic autotroph that converts sunlight into the sugars needed for growth and reproduction.

The sunflower adjusts its mechanism based on internal and external stimuli through a process known as negative feedback. For instance, when there are fluctuations in certain environmental conditions, like water availability or temperature, the sunflower's physiological processes adapt to stabilize these conditions. Additionally, the sunflower's inflorescence also plays a role in this balancing act. The timing of flower maturity and the development of individual flowers work in a way that maximizes the chances for successful pollination and seed setting, which is crucial for the survival and reproduction of the species.

Finally, another aspect of a sunflower's homeostasis includes the control of matter and energy. Sugars produced via photosynthesis are transported as sucrose to developing seeds and used to create oils within the seeds. The energy for the conversion of sugars to fats is provided by the oxidation of sugars. Thus, through these complex feedback mechanisms, sunflowers regulate growth and reproduction while maintaining dynamic homeostasis.

The introduction of Asian carp into the United States is an example of which type of pathway for invasive species? unintentional release
accidental escape
intentional release
accidental transport

Answers

Im pretty sure that your answer would be 
C

Answer: intentional release

Asian carp is the genus of fish typically belonging to the Cyprinid family such as koi, goldfish and common carp. It was introduced intentionally in the southern United States by humans to control the problem of algal blooms and population of snail parasites in aquaculture facilities, sewage lagoons and farm ponds. They were used because of their efficient feeding capacity. They can feed 5- 40% of their body weight. They can feed a variety of food reserves in the aquatic systems like phytoplanktons, zooplanktons, native invertebrates, some of the fish species and mussels.  

An individual experiences brain damage that produces a coma. which part of the brain was probably damaged?

Answers

The answer is the reticular formation. The Reticular Formation is the one behind our consciousness, it makes us conscious of our surroundings. It basically makes us conscious, once it sustains damage, the individual may experience coma. The Reticular Formation is a group of diffuse network nerve pathways, located in the brain stem, which connects the spinal cord, cerebellum and cerebrum. Causing the normal consciousness in our body.

What is not a agent of chemical weathering
A) temperature B) oxygen C)water D)carbon dioxide

Answers

Temperature is not an agent of chemical weathering.

Temperature is not an agent of chemical weathering. It might affect it in other ways, but not with chemical weathering

How can you tell if an experiment is controlled?

Answers

An experiment in which an observer tests a hypothesis by looking for changes brought on by alterations to a variable. In a controlled experiment, an independent variable is the only factor that is allowed to be adjusted, with the dependent variable as the factor that the independent variable will affect.
a controlled experiment holds everything constant

The human heart consists of ________ chambers

Answers

The human heart has 4 chambers. Namely
Right and left Ventricle
Right and left Artrium
Hey there, 
The human heart consist of 4 chambers
Namely:
1) Left Ventricle - located in the bottom left portion of the heart below the left atrium, separated by the mitral valve.
2) Right Ventricle - responsible for pumping oxygen-depleted blood to the lungs. located in the lower right portion of the heart below the right atrium and opposite the left ventricle.
3) Right Atrium- Deoxygenated blood enters the right atrium through the inferior and superior vena cava.
4) Left Atrium
- located on the left posterior side. primary roles are to act as a holding chamber for blood returning from the lungs and to act as a pump to transport blood to other areas of the heart.

This is what I learnt. Hope this helps :))

~Top

What is nitrogen fixation and why are bacteria crucial to this cycle of life?

Answers

nitrogen fixation- atmospheric nitrogen is assimilated into organic compounds especially by certain microorganisms as part of the nitrogen cycle.

Final answer:

Nitrogen fixation is the process by which certain bacteria and archaea convert atmospheric nitrogen into ammonia, a form usable by plants and other organisms. These bacteria use an enzyme called nitrogenase to carry out the fixation process, which is key to the nitrogen cycle and vital for life on Earth. Symbiotic relationships between leguminous plants and nitrogen-fixing bacteria are particularly important in agriculture.

Explanation:

Nitrogen fixation is a biological process where certain bacteria and archaea, known as diazotrophs, convert atmospheric nitrogen (N₂) into ammonia (NH₃), making it accessible to plants and other organisms. This process is vital for life on Earth, as nitrogen is a key component of essential organic molecules like proteins, DNA, and RNA. However, the abundant nitrogen gas in the atmosphere is largely inert and unavailable to most forms of life. Through the action of specific enzymes, these bacteria are able to break the strong triple bond in molecular nitrogen and fix it in a form that organisms can use to synthesize proteins and nucleic acids.

One major pathway of biological nitrogen fixation involves the enzyme nitrogenase, which catalyzes the reduction of atmospheric nitrogen to ammonia. This reaction requires a significant amount of energy, usually in the form of ATP, and is sensitive to the presence of oxygen, with many nitrogen-fixing bacteria being anaerobic to avoid oxygen inhibition of nitrogenase.

Leguminous plants, which include important agricultural crops like soybeans and peanuts, have developed symbiotic relationships with nitrogen-fixing bacteria. These bacteria reside in root nodules, an environment that protects them from oxygen while allowing them to provide fixed nitrogen directly to the plant. In return, the plant supplies carbohydrates and other nutrients to the bacteria. This symbiosis is a key contributor to nitrogen cycling in ecosystems and plays a critical role in agriculture, as it reduces the need for synthetic fertilizers.

If a true-breeding twelve inch plant (this means when self-crossed the offspring are always 12 inches) is crossed with a true-breeding six inch plant and all of the f1 plants are nine inches tall, this is most likely a situation of?

Answers

This result suggests the plant heights are not fully explained by classic Mendelian inheritance. In Mendel's work he argued that one of the genes from one parent would be dominant. In this case, rather than having some plants resemble the parent with a "dominant" gene there is a blending of the two height genes. This is a form of incomplete dominance which is a type of Non-Mendelian inheritance.

The ________ is the most caudal portion of the brain stem.

Answers


i think the medulla?? is the answer

Wasting away, or deterioration, of muscle is called ________.

Answers

Wasting away of muscle is called atrophy. Atrophy can occur with genetic mutations, and it can also occur when you don’t use the muscle for a while. One environmental cause would be if you become paralyzed and can’t use a muscle. Other factors would be lack of exercise and not eating a healthy diet.

Why do protists, plants, fungi and animals share a single domain in the three domain system?

Answers

they all have a true nucleus and complex cellular organelles and are large and eukaroyote

Ozone intake can cause irritation in what system of the body?

Answers

Ozone intake can cause irritation to the respiratory system. It can also inhibit absorption of certain nutrients. Certain people are more at risk for example children. This is because thier lungs are still developing. They are also more likely to be outdoors and more likely than adults to have asthma. Symptoms shortness of breath and coughing.

Answer:respiratory

Explanation:

What structural characteristic of the epidermis prevents water loss and the entry of pathogens?

Answers

The skin is composed of two basic layers, epidermis and dermis layer. The epidermis cells are made up of keratin. Keratin is a fibrous protein which gives hardness  and water resistance properties to the skin. It also prevents water loss and entry of germs by forming protective layers on the surface of the skin.

The "seams" where the pieces of the skull meet are known as what?

Mandibles
Fusions
Radii
Sutures

Answers

D is the answer
hope it helped!
The seams where the skull meet is known as the sutures.

The basics needs of ____ are sunlight, to exchange gases, and water and minerals.

Answers

Heterophs would be your answer 

The answer is PLANTS. Makes more since. Google what plants need VS what heterotrophs needs.

Postganglionic parasympathetic fibers are relatively long.
a. True
b. False

Answers

Postganglionic parasympathetic fibers are relatively long.

a. True

b. False



(True)

Atom A has an atomic number of 19 and mass number of 40. Atom B has an atomic number of 20 and a mass number of 40. Which of these is an accurate statement?
A) Atom A has more protons than Atom B.
B) Atom A has one less proton and one more neutron than Atom B.
C) Atom A has an extra nucleon compared to Atom B.
D) Atom A has one more proton and one more electron than Atom B.

Answers

The atomic number (Z) is the number of protons. The mass number (A) is the number of nucleons. Hence, A is the sum of Z and the number of neutrons (N): A = N + Z and N = A - Z. So both atoms have 40 nucleons, atom A has 19 protons and 21 neutrons, atom B has 20 protons and 20 neutrons, and only statement B) is accurate.

Final answer:

The correct statement is B) Atom A has one less proton and one more neutron than Atom B, given that both have the same mass number but different atomic numbers.

Explanation:

The correct statement regarding Atom A, which has an atomic number of 19 and a mass number of 40, and Atom B, which has an atomic number of 20 and a mass number of 40, is option B) Atom A has one less proton and one more neutron than Atom B. This is due to the fact that the atomic number represents the number of protons, and since Atom A has an atomic number of 19, it has 19 protons. In contrast, Atom B with its atomic number of 20 has 20 protons. Both Atom A and Atom B have a mass number of 40, which is the sum of protons and neutrons. Therefore, Atom A has 40 - 19 = 21 neutrons, and Atom B has 40 - 20 = 20 neutrons. Hence, Atom A has one more neutron and one less proton compared to Atom B.

What is the significance of meiosis in regards to evolution within a species? (How does meiosis benefit the species)

Answers

Meiosis benefits the species because it allows genetic variation so you don't look exactly like your mother or father.

What is common to both cellular respiration and the light reactions of photosynthesis?

Answers

Synthesis of ATP. ... In photosynthesis, plants are able to produce their own food using energy, or ATP converted from light energy.

What is the correct order of organization from smallest to largest in an ecosystem?

Answers

Atom, Molecule, Organelle, Cell, Tissue, Organ, Organ System, Organism, Population, Community, Ecosystem, Biome, Biosphere

Even though plants cells carry out photosynthesis, they still use their mitochondria for oxidation of pyruvate. under what conditions will plant cell mitochondria be active in this process?

Answers

In all cells, all the time

Even though plants carry out photosynthesis to produce energy and "food," their cells would still need to undergo cellular respiration, as with all other living cells. Cellular respiration occurs in the mitochondria of cells and produces ATP (energy) in the process. This ATP is then used by the plants in all its other processes. 
Final answer:

Plant cell mitochondria are active in the oxidation of pyruvate when the cell is performing cellular respiration, which typically happens at night or when light is unavailable. The process uses the glucose produced during photosynthesis to produce ATP, the plant's main energy currency.

Explanation:

Plant cell mitochondria are active in the oxidation of pyruvate under any condition in which the plant cell is performing cellular respiration. This typically happens during periods when light is unavailable, such as at night, and the energy stored in glucose is required. Photosynthesis, which converts light energy into chemical energy in the form of glucose, fuels the plant during the day. The cellular respiration process that involves the oxidation of pyruvate in the mitochondria then uses this glucose to produce ATP, the plant's main energy currency, when light is unavailable.

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If the calvin cycle slows down, what will happen to the rate of o2 production in ps ii, and why?

Answers

If the Calvin cycle slows down, THE RATE OF OXYGEN PRODUCTION IN PS II WILL BE REDUCED. 
This is because, the light reaction depends on the dark reaction to occur. If the Calvin cycle slows down, the light cycle will have less ADP and NADP+ to work with and this will slow down the production rate of the photosynthetic reaction.
Final answer:

When the Calvin Cycle slows down, the rate of O₂ production in photosystem II decreases. This occurs because less water is split into hydrogen and oxygen, leading to reduced photosynthesis. The outcome is lower levels of ATP and NADPH, essential for cellular biochemical reactions.

Explanation:

When the Calvin Cycle slows down in photosynthesis, it means that there is a decrease in the usage of the products of photosystem II (PS II), particularly ATP and NADPH. If these products are not used promptly, they accumulate, decreasing the stimulus for Light Reaction. As a result, the rate of photosynthesis, including the light-dependent reactions occurring in PS II, was also reduced.

In PS II, light energy is used to extract electrons from water, which results in the formation of oxygen gas (O₂). Hence, when the rate of photosynthesis decreases due to a slowdown of the Calvin Cycle, it causes a decrease in the rate of O₂ production because less water is being split into hydrogen and oxygen.

This situation can lead to a reduction in the amounts of cellular energy in the form of ATP and NADPH, which are vital for many biochemical reactions in the cell, including those in the Calvin Cycle. However, other regulatory mechanisms can alter this balance to adapt to the cell's energy needs.

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Explain how the fern sporophyte is dependent upon the gametophyte

Answers

All plant types switch off by generations. The trend which is happening recently is that the sporohyte is dependent upon autotrophic gametophytes to the oppositeâ€gametophytes which are dependent on autotrophic sporophytes. This trend is more visible by viewing the life cycles of the of a moss, a fern, and an angiosperm.

A group of students is measuring the number of paper bags brought to a recycling center in a single day. What are the students doing? A. Collecting data B. Stating a hypothesis C. Drawing a conclusion D. Analyzing data

Answers

The answer would be A.Collecting data

In this case, the students are measuring numbers of paper bags. By doing this, they'll obtain values (numbers of paper bags), which would be the quantitative data from this experiment.

If a group of students are measuring the number of paper bags brought to a recycling center in a single day, they are collecting data.

Stating a hypothesis is making an educated guess as to how many bags would be brought to the recycling center each day.

Drawing a conclusion would be when all of the data has been collected and examined.

Analyzing data would be going back to look at the collected data from the research project to see if the hypothesis was correct, what determinations were made and if any discoveries were made.

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