A missense mutation is if the new amino acid is chemically similar to the original one. If the new amino acid is chemically different, then the missense mutation is .

Answer:

20 cm

Explanation:

hope it helpssssss

Answer:

50 cm

Explanation:

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A stretching technique that reduces muscle adhesions and loosens soft tissues before activity is Myofascial release.

The technique that reduces muscle adhesions and loosens soft tissues before activity is called myofascial release. This stretching technique helps to reduce pain and inflammation in the musculoskeletal system.

The musculoskeletal system is the system that includes the muscles, bones, and joints of the body. Obesity can put added strain on the musculoskeletal system, which can lead to pain and injury.

The trunk extensor muscles are the muscles that help to extend and stabilize the spine. These muscles are important for maintaining good posture and preventing back pain.

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Gene expression in stem cells is more versatile and pluripotent, allowing them to differentiate into various cell types, while specialized cells have specific gene expression patterns that enable them to perform their specialized functions

Gene expression in stem cells and specialized (differentiated) cells differs due to their distinct roles and functions in the body. Stem cells have the unique ability to differentiate into various cell types, whereas specialized cells have already undergone differentiation and acquired specific functions.

In stem cells, gene expression is more pluripotent, meaning a wide range of genes can be activated or repressed to maintain their self-renewal and differentiation potential. This flexibility allows stem cells to respond to different signals and stimuli, enabling them to give rise to different cell lineages during development or tissue regeneration.

On the other hand, specialized cells have undergone a process called cell differentiation, where specific genes are selectively expressed or silenced to establish their specialized functions and morphology. Gene expression in specialized cells is more restricted and specific, as it is essential for the cell to perform its designated role effectively and maintain tissue homeostasis.

The regulation of gene expression in stem cells and specialized cells involves complex molecular mechanisms, including the activation or repression of transcription factors, epigenetic modifications, and signaling pathways. These mechanisms ensure the appropriate gene expression patterns in different cell types, allowing for proper development, tissue function, and overall organismal health.

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Microtubules start at the centrosome and then connect to the kinetochores, which are structures at the central region of chromosomes. The centrosome is the main microtubule-organizing center (MTOC) in most animal cells, whereas plant cells lack a typical centrosome.

The two spindle poles are the central region of a chromosome where a kinetochore is connected. Microtubules are a type of cytoskeletal protein filament that plays a crucial role in the mechanics of cell division.

Microtubules, together with actin and intermediate filaments, form the cytoskeleton, which is the structural framework of the cell. Microtubules also transport vesicles and organelles, support cell shape, and mediate cell signaling.

They are also crucial in cell division, serving as a framework for the mitotic spindle, a structure that segregates chromosomes during cell division.

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Multienzyme complexes are groups of enzymes that cooperate to carry out a particular task. These complexes enable the enzymes to function more efficiently by allowing for the rapid and directed transfer of intermediates from one enzyme to the next.

Three different enzymatic activities are clustered into a single enzyme complex, and it is advantageous because of the following reasons:

1. Enhanced Substrate Channeling: The intermediates formed in one reaction are swiftly transferred to the next enzyme in the complex. This mechanism facilitates efficient and targeted substrate movement, decreasing the chances of random interactions that could lead to loss of intermediates

.2. Higher Flux Rates: Multienzyme complexes promote a higher flow rate of substrates than individual enzymes. The internal communication between the enzymes ensures that the product is transported to the next enzyme in the complex and quickly prepared for the next step.

3. Protection from Degradation: Many multienzyme complexes are protected by their architecture, which may protect them from denaturation and degradation by proteolytic enzymes. In addition, the sequestration of substrates in the enzyme complex can protect them from degradation by other cellular enzymes.

4. Enzyme Regulation: Many multienzyme complexes can be regulated by the action of a single protein that binds to the complex and modifies its activity. In this manner, the complex's activity can be rapidly and efficiently controlled, allowing for a more refined control of the reaction.

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Answer:

Explain how kinetic energy affects each object as it changes its state of matter:

A) Water boiling:

B) Popsicle freezing:

C) Water condensing on the side of a water bottle:

Explanation:

A) A water boiling will result in evaporation, therefore the particles will move extensively faster than liquid due to it being vapor.

B) A popsicle freezing is originally a solid so it'll have the least amount of kinetic energy as the particles remain fairly slow.

C) Due to the fact that water is condensing, while turning into a liquid. The water condensing on the side of the water bottle would produce a lower kinetic energy level due to the fact that it's becoming a liquid. Though liquids have higher kinetic energy than solids, as gases have a higher kinetic energy compared to liquids.

Evaporation from boiling water causes the particles to move much more quickly than they would in a liquid state.

A popsicle is initially a solid, it will have the least kinetic energy because the particles are still moving slowly.  Because water is condensing as it transforms into a liquid.

Because it is turning into a liquid, the water that is condensing on the water bottle's side would have less kinetic energy.

Gases have a higher kinetic energy than liquids, despite the fact that liquids have a higher kinetic energy than solids.

Therefore, Evaporation from boiling water causes the particles to move much more quickly than they would in a liquid state.

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The correct order of events during cell division is: 3-4-1-2, the correct option is b.

During cell division, several key events occur in a specific order.

Thus, the correct order, b. 3-4-1-2, accurately represents the sequence of events during cell division.

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The structure responsible for moving things through the cell, as well as the cell itself, is the cytoskeleton. It is a network of protein filaments that provides structural support, maintains cell shape, and enables cell movement and the transport of materials within the cell.

The cytoskeleton is responsible for moving things through the cell, as well as the cell itself. It is a network of protein filaments that provide structural support, shape, and organization to the cell. The cytoskeleton is also involved in a variety of cellular processes, including cell division, movement, and intracellular transport.

There are three main types of cytoskeletal filaments: microfilaments, intermediate filaments, and microtubules, each with specific functions in the cell. Microfilaments, made of the protein actin, are responsible for cell movement and support. Intermediate filaments provide mechanical strength and stability to the cell, while microtubules, made of the protein tubulin, are responsible for intracellular transport and cell division.

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Explanation:

Noise is an unwanted signal which interferes with the original message signal and corrupts the parameters of the message signal. This alteration in the communication process, leads to the message getting altered. It is most likely to be entered at the channel or the receiver.

Answer: The correct answer is the letter B. Cell membrane.

Explanation: Cell membranes are present in both plants and the animal cell where it provide structural support and protection. The cell wall is only present in plant cells where it provides strength and protection against osmotic pressure. The nucleus works like the cell's control center and regulates cell activities. It is also where the cell's DNA is located.

In a scenario where four identical cells are placed in four different liquids then the cells which would take in water and swell  are cells X and Y and is denoted as option C.

This is referred to as the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to that of a higher solute concentration.

In a scenario where there is a decrease in the solvent molecules then it will be less salty and have a lower concentration of water which may make it shrink and is referred to as plasmolysis.

In cells in which there is an increase in the solvent molecules then it will be salty and have a higher concentration of water which is responsible for it swelling and is therefore the reason why cells X and Y was chosen as the correct choice.

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The full question is:

A student places four identical cells into four different liquids.

Cell Description of Liquid

An antigen preparation, administered in order to produce an immune response while bypassing illness, is called a vaccine.

A vaccine is a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.

Vaccines are used to help prevent diseases by providing the body with the ability to recognize and fight off specific pathogens before they can cause harm.

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Answer:

The answer is C:) also im being attacked by my sister pls help

Answer:

3905 million

Explanation:

this's the number

Answer:

The correct answer is -

11. b. somatic cell and sex cell of the same organism.

12. d. all the genetic characters will change.

Explanation:

11. the given diagram represents two types of cells of an organism cell I is the somatic cell as it has two sets of chromosomes or diploid chromosome number whereas cell II is a sex cell such as gametes (egg or sperm) has one set of chromosomes or a haploid number of chromosomes.

12. if there is a change in a nucleotide sequence of DNA of a certain gene takes place then there will be minor or major changes occur in the result of the protein as DNA makes codes of mRNA that code for the specific protein that result in specific gene expression or character. There would be only one character that will change as the change occur only a certain gene.

The products of the decomposition are hydrogen \(H2\) and oxygen \(O2\) is \(H2O2\). Many cells make and use an enzyme, called catalyze to facilitate the decomposition of hydrogen peroxide.

Enzymes are the biological catalyst that speed up the chemical reaction that carries out in the body. Enzymes has been protein by nature and there has number of the enzymes present in our body such as salivary amylase, pepsin, renin, lyases, lygases etc.

The main function of the enzyme has to make the metabolism fast as well as speed up the chemical reaction carried out in the body.

Therefore, The products of the decomposition are hydrogen \(H2\) and oxygen \(O2\) is \(H2O2\). Many cells make and use an enzyme, called catalyze to facilitate the decomposition of hydrogen peroxide.

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Answer:C

Explanation:

Answer:

They showed that the material that carries genetic information is DNA

Explanation:

The sartorius muscle causes one to cross the leg by adducting the thigh and flexing the lower leg.

what is sartorius muscle ?

The anterior superior iliac spine, which is also a component of the notch between the anterior superior iliac spine and anterior inferior iliac spine, is the source of the sartorius muscle. It travels inferomedially through the top and anterior portion of the thigh. It exits behind the medial femoral condyle and ends in a tendon. This tendon curls anteriorly before inserting into the superomedial surface of the tibia in the pes anserinus, where it connects with the tendons of the gracilis and semitendinosus muscles.

The adductor longus crosses it at the place where it forms the lateral boundary of the femoral triangle, which is where the triangle's peak is located.

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Answer:

I believe the answer is invasive species

(Please let me know if its wrong)

Answer: an invasive species

Explanation:

the animal is brought to a new area which the other fish might not attack it but it will for survival.

I think

Nutrients and ions can pass directly from cell to cell through special membrane junctions known as gap junctions.

Gap junctions are structures composed of transmembrane proteins that enable communication between cells. They are found in most animal cells and play a critical role in the coordination of cellular activities.

Gap junctions are important for maintaining homeostasis in the body. They allow for an exchange of ions, metabolites, and other molecules between cells. This process helps to maintain a balance of nutrients and ions throughout the body. Gap junctions are also involved in the coordination of cellular activities such as cell growth, differentiation, and cell migration.

Gap junctions are composed of two connexons, or hemichannels. The connexons are composed of six transmembrane proteins, referred to as connexins. The connexins form a channel between the two cells, allowing for the exchange of small molecules and ions. The connexons can open and close in response to a variety of external and internal signals, allowing for a tightly regulated exchange of materials.

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Answer:

Calvin cycle is your answer.

Explanation:

hope it helps you.

Answer:

the property of living organisms in which they keep their internal systems in balance is called homeostatis. In desert regions, plants have reflective surfaces making them cool, they have several adaptation skills like cactus, where its leaves are spines to reduce transpiration. This happens due to the property homeostatis.

Answer:

Homeostasis is the property of living organisms in which internal systems are kept in balance.

Explanation:

Plants stay cool in the desert heat through their reflective surfaces, reduced leaves, or leaves that are parallel to the sun. Desert plants may also have adaptations that help them store water or very deep roots.

Failed external innate immunity, but successful internal innate immunity

Immunity in biology refers to an organism's capacity to fend off harmful microbes. Both specific and generic components contribute to immunity. Regardless of their antigenic makeup, the nonspecific components serve as barriers to or eliminators of a variety of infections.

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Answer:

D. The water flows into the ground by capillary action, then flows

underground toward the ocean.

Answer:

B. refraction

Explanation: hope this helps!

The shadow zone exists due to the effect of seismic waves is the refraction. Thus, the correct option will be B.

Refraction can be defined as the redirection of a wave as it passes from one medium to another medium. The redirection of the waves in a medium can be caused by the wave's change in speed or by a change in the medium of wave.

Seismic waves are the waves which follow the same law of refraction at the compositional boundaries. If the seismic wave velocity in the rock below a boundary is increasing then, the waves will be refracted in the upward direction and this speed up relative to their original path of movement.

Therefore, the correct option will be B.

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The correct option is

Coral reefs are large underwater structures composed of the skeletons of colonial marine invertebrates called coral.

Coral reefs have some characteristics which include:

Corals reefs are found all over the world's oceans.

The biggest coral reefs are found in the clear, shallow waters of the tropics and subtropics.

Coral reefs are important as they protect coastlines from storms and erosion, providing jobs for local communities, and offer opportunities for recreation and tourism.

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Answer:

all of them

Explanation:

The given statement "movement of Ca²⁺ out of the cell through the Na / Ca²⁺ channel is an exergonic process" is FALSE.

Exergonic reaction refers to a chemical reaction that releases energy. When the movement of  Ca²⁺ ions takes place, it is an endergonic process. Endergonic reaction is the opposite of exergonic reaction, which means it requires energy to proceed. Therefore, the movement of  Ca²⁺ ions out of the cell through the Na+/ Ca²⁺ channel is an endergonic process.

When the concentration of  Ca²⁺ ions in the cytosol is higher, it can move out of the cell with the help of Na⁺/ Ca²⁺ exchanger. This exchanger is an antiporter protein that moves one  Ca²⁺ ion out of the cell in exchange for three Na+ ions to move inside the cell. In conclusion, the statement "movement of  Ca²⁺ out of the cell through the Na / Ca²⁺ channel is an exergonic process" is incorrect.

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Answer:

D -herbivore population sizes decrease ,then the carnivore population sizes decrease

The statement describes the decreases in plant population sizes affect other populations in the area is herbivore population sizes decrease, then the carnivore population sizes decrease.

The three diets of animals include creatures that eat only plants, those that eat only meat, and animals that eat both plants and meat. Animals that eat plants exclusively are herbivores, and animals that eat only meat are carnivores.

Herbivores animals have broad, flat and short, teeth to grind and chew plant leaves, grains, and seeds. Carnivores animals possess long, sharp, and curved incisors and canines to tear flesh.

Teeth are suited for eating plants as well as meat. Deer, goats, zebras, etc. are the examples of the herbivores. Carnivores animals are lions, tigers, dogs, etc.

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Answer:

Temp increase,  ......

Explanation:

1st part. the temperature will gradually increase by time , because these gases are greenhouse gases, which cause global warming resulting in temp increase.

2nd part: we will see a decrease in CFC-11 (Trichlorofluoromethane)

,

np

The most frequent source of food-borne disease is bacteria. These little, single-celled creatures are ubiquitous.

Another frequent cause of outbreaks of food-borne illness is viruses like the norovirus or hepatitis A.

Viruses can travel on any sort of food, but they need a living host like a person or animal to exist and multiply. People become ill after consuming food that has been tainted with a virus.

Parasites are living things that reside on or in humans or other animals. When people drink or eat something that contains the parasites, they are then passed to humans.

Small, single-celled bacteria called protozoa are present in both food and water. The majority of protozoa are helpful to people, but some, like giardiasis, are dangerous and bring on food-borne illnesses.

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