An action potential involves na moving ________ the cell and k moving ________ the cell.

The steps  involved in transmitting sound waves traveling through the air to the hair cells in the inner ear that transduce the signal into neural information are as follows:

The sound waves travel through the ear canal to reach the ear drums.

At the eardrum, the sound waves are vibrated and then sent to tiny bones malleus, incus, and stapes located in the middle ear.

These bones in the middle ear first increase the vibration of the sound waves and then send them to the cochlea. A partition is created in the cochlea known as the basilar membrane.

Hair cells are located above the basilar membrane. As it oscillates, stereocilia (hair-like projection)  lying on top of the hair cell bend. These bending creates pre which lets the chemicals in and the waves are converted into electrical signals.

These signals are carries by auditory nerve to the brain where it is translated to what we hear.

If you need to learn more about ear, click here

https://brainly.com/question/2861613?referrer=searchResults

#SPJ4

Explanation:

complex carb pack more nutrients are simple carbs that are high in fiber and digest more slowly this makes them more ceiling which means a good option to for weight control

The small intestine is where carbohydrates are chemically broken down, instead of the stomach. The disaccharides and pancreatic amylase complete the chemical cleavage of digestible carbs.

The building blocks of large polysaccharides are lengthy, complicated chains of sugar molecules.

Peas, beans, whole grains, and vegetables are examples of foods that are sources of complex carbohydrates. The body converts simple and complex carbohydrates into glucose (blood sugar), which is then used as fuel.

Longer-lasting blood glucose increase and longer-lasting energy elevation are produced by complex carbs.

Therefore, complex carbs are more efficient in giving the body energy, which is the main purpose of carbohydrates.

Learn more about complex carbohydrate here:

https://brainly.com/question/9384195

#SPJ2

Adrenaline is a hormone released by the adrenal glands in response to stress or a perceived threat. When released into the bloodstream, it travels to various parts of the body and binds to specific receptors on cells, triggering a response.

Adrenaline has a variety of effects on different tissues in the body. Some of the key effects include:

Heart: Adrenaline increases heart rate and the force of heart

contractions, which can lead to increased blood flow to the muscles and improved oxygen delivery.

Lungs: Adrenaline relaxes the smooth muscles in the airways, which can improve breathing and increase oxygen intake.

Liver: Adrenaline triggers the release of glucose from the liver, which can provide extra energy for the body's needs.

Muscles: Adrenaline can increase blood flow to the muscles, leading to improved strength and endurance.

Brain: Adrenaline can improve focus and alertness, which can help a person respond more effectively to a threat.

These effects can be helpful in situations where a person needs to respond quickly to a threat or danger, such as in a fight-or-flight response. However, prolonged exposure to adrenaline can have negative effects on the body, such as increased heart rate and blood pressure, anxiety, and decreased immune function.

To know more about Adrenaline

https://brainly.com/question/29708313

#SPJ4

The reaction center chlorophyll of photosystem I transfers its excited electrons through a series of carriers to ferrodoxin, a small protein on the stromal side of the thylakoid membrane. The enzyme NADP reductase then transfers electrons from ferrodoxin to NADP+, generating NADPH.

The four electrons and the four protons originate from two water molecules. The excited chlorophyll electrons are transferred from the electron acceptors of photosystem II to photosystem I through an electron transport chain.

The functional components of photosynthesis are called photosystems, and they are identified by specific pigment organisation and association patterns. Photosystems are responsible for absorbing and transferring light energy, which implies transferring electrons. The thylakoid membranes contain photosystems in terms of physical location.

Learn more about Photosystem here:

https://brainly.com/question/13034934

#SPJ4

Answer:C

Explanation:

Answer:

False

Explanation:

It's false because you weren't or couldn't have been born with a tattoo, so you acquired the trait instead of inherited it.

Answer:

True

Explanation:

You are not born with them so they are not aquired.

A pros and disadvantages list is a straightforward yet effective method for making decisions that may be used to comprehend both sides of an argument.

The word “pros” refers to justifications for taking a specific course of action. Cons are reasons to disagree with it.

Models portray strange things with familiar objects. Models can assist you in mentally imagining something that is challenging to see or comprehend.

Therefore, There are discrepancies between the model and reality as a result of the assumptions that are made during modeling.

Learn more about pros and cons here:

https://brainly.com/question/27693539

#SPJ1

Here's one possible answer (WORD FOR WORD ON PLATO)

●Pros.

•Simple images make the process easy to understand.

•The model accurately shows that protein synthesis has distinct stages.

●Cons.

•The model doesn't accurately show nucleotides in DNA and RNA.

•The model doesn't differentiate between the locations of processes. It fails to show which processes processes occur in the nucleus and which occur in the ribosome.

The allopatric speciation model is a process by which new species are formed through geographic isolation.

The process occurs when a population of organisms is separated from other members of the same species by a physical barrier, such as a mountain range or body of water. Over time, the separated populations may accumulate genetic differences, ultimately resulting in distinct species.
Intraspecific variation plays a crucial role in this process because it is the genetic variation within a single species that allows for evolution to occur. This variation is the result of mutations, genetic recombination, and other mechanisms that can introduce new genetic traits into a population. Over time, these variations can accumulate and ultimately lead to the development of new species.
Geographic isolation is also a critical factor in the allopatric speciation model. When populations of organisms are separated by geographic barriers, they are no longer able to interbreed, which can lead to the accumulation of genetic differences over time. As the populations become more genetically distinct, they may develop unique adaptations to their environment, ultimately resulting in the formation of new species.

Thus, allopatric speciation is a process by which new species are formed through geographic isolation, and intraspecific variation plays a crucial role in this process. As populations become more genetically distinct, they may develop unique adaptations, ultimately leading to the formation of new species.

To know more about allopatric speciation, click here

https://brainly.com/question/4493180

#SPJ11

Answer:

you can smell it because it has a strong and powerful odor

Explanation:

that y you have take a shower in tomato sauce

Answer:

The strong odor travels through the air to reach your nose.

Explanation:

Odor molecules will travel through the air to be inhaled by you.

I hope this helps...

Please mark me Brainliest.

Have a nice day! <3

Answer:

    W     w

 w  Ww  ww

 w Ww   ww

Explanation:

the white sheep has Ww and the black has a ww since white is a dominate and heterozygous implies it has 2 versions of a gene not 2 copies of the same one so  there would be a 50% chance of a white sheep with a copy of the black wool trate and a chance  50% of a black sheep

Answer:

25 and 75 percent

Explanation:

Answer:

A algal bloom causes the dissolved oxygen level to decrease.

Explanation:

It does mot allow the oxygen from atmosphere to dissolve into the water moreover it blocks the sunlight to reach to the sea plants that produces oxygen by photosynthesis.

The algal blooms affect a body of water by decreasing the level of dissolved oxygen. The correct option is D.

An algal bloom is an increase in the number of algae in the water bodies. These blooms in large quantities and are poisonous to humans, and the organisms present in the water bodies.

The algal bloom decreases the amount of dissolved oxygen, and the water organism suffers from this.

Thus, the correct option is D) Algal blooms cause dissolved oxygen levels to increase​.

Learn more about algal blooms, here:

https://brainly.com/question/23831165

#SPJ5

Answer:

B. Proteins

Explanation:

Proteins make up many different things in our bodies. Proteins are the building blocks of organelles.

Ex- Ribosomes are organelles that are made of RNA and Protein, and they also make proteins.

MyB Protein is a protein that help build the immune system and give support to fight off diseases.

The experiment shows that the brand of the energy drink is the independent variable.

The independent variable is the variable that is changed during the experiment. This is the variable that is manipulated in the course of the study and it results to changes in the independent variable.

The independent variable is the variable that is being manipulated while the dependent variable is the variable that changes as we change the independent variable. We shall now look critically at the experiment to see the variables involved in the procedure.

1) Considering the experiment, the independent variable is the brand of the energy drink

2) The dependent variable here is the number of packages delivered.

3) The possible constant is the weight and size of the packages

4) Water was given to the workers to compare its effect against the energy drink

Learn more about energy independent variable:https://brainly.com/question/1479694

#SPJ1

Answer: D. Mitochondrion

Explanation:

The mitochondrion is always the powerhouse of the cell!

Answer:

From my opinion it would be:

Temperature: Molecules, like practically everything else you can think of, tend to diffuse faster as temperature increases, as this increases the random collision between molecules and increases the rate of diffusion.

Explanation:

Answer:

16. Carbohydrates  

17. Lipids

18. Carbohydrates

19. Carbohydrates

20. Lipids

21. Lipids

22. Carbohydrates

23. Lipids

Explanation:

Carbohydrates are organic molecules composed of carbon, hydrogen and oxygen. Carbohydrates can be classified into three types: monosaccharides (e.g. glucose), disaccharides (e.g., lactose), and polysaccharides (e.g., starch). Cellulose is a carbohydrate where many glucose rings chain together, while chitin is a polysaccharide consisting of chains of modified glucose molecules.

Lipids represent a diverse group of organic molecules that include, among others, fats, waxes, oils, hormones, etc. Lipids play a role by insulating (and protecting) the body. For example, there is a layer of fats beneath the skin which enables to maintain body temperature relatively constant. In animals, lipids constitute about 50% of the mass of cell membranes. These membrane lipids are mainly phospholipids, glycolipids and cholesterol. There are hormones that derive from lipids such as steroid hormones, which derive from cholesterol. Some examples of steroid hormones are testosterone, estrogen and cortisol.

The genetic drift effect that would limit natural selection is the Founder effect.

Genetic drift is the random fluctuation of allele frequencies, especially in small populations. Genetic drift happens due to the probability of inheritance, which causes some alleles to become more or less common than they would be if the alleles were transmitted only by chance.

Genetic drift is a phenomenon that occurs in all populations, although its effects are more significant in small populations.

The founder effect is a type of genetic drift that occurs when a new population is established from a small group of individuals who are genetically isolated from the larger population.

However, the founder effect can limit the gene pool's diversity, making it difficult for natural selection to operate effectively. As a result, the founder effect can limit natural selection's ability to shape the genetic composition of populations.

For such more question on genetic:

https://brainly.com/question/851793

#SPJ11

The ultimate purpose of mimicry is all the above. So, the correct option is D.

Mimicry may be defined as the resemblance of a species (mimic) to another original species (model).

Mimicry provides secure protection from predators, it allows the predators to come closer to their prey, it also allows an animal to fit in with a different species for the purpose of protection (prey), and hunting (predators).

Therefore, the ultimate purpose of mimicry is all the above.

To learn more about Mimicry, refer to the link:

https://brainly.com/question/94811

Answer:

By lowering the activation energy

Explanation:

Enzymes are biological catalysts. Catalysts reduce the activation energy for reactions. The lower the activation energy for a reaction, the quicker the rate. Common enzymes convert shape when substrates unite. Enzymes lower the activation energy required to turn a reactant into a product. Consequently, an enzyme-catalyzed reaction pathway has a smaller energy activation to succeed ere the reaction can progress. Therefore, enzymes speed up reactions by lowering the activation energy.

A frameshift mutation is a type of genetic change brought on by indels in DNA sequences that contain many nucleotides that are not divisible by three. Because codons are used to express genes in triplets, an insertion or deletion may alter the reading frame and produce a translation that is entirely different from the original.

A mutation known as a substitution swaps one base for another (i.e., a change in a single "chemical letter" such as switching an A to a G). A codon that encodes a different amino acid may be changed, which would result in a minor modification to the protein that is created.

What is mutation?

A mutation is a modification to the DNA sequence of an organism. Mutations can result through viral infection, errors in DNA replication during cell division, and exposure to mutagens. Germline mutations, which occur in eggs and sperm as opposed to somatic mutations, which occur in body cells, can be passed on to progeny.

To learn more about mutation follow this given link

https://brainly.com/question/17031191

#SPJ9

Answer:

The correct answer is (b) Afferent arterioles, glomerulus, efferent arteriole, peritubular capillaries. The nephron is the functional unit of the kidney, filtering blood to produce urine.

Explanation:

Pertaining to the area beneath the nail of a finger or toe is subungual abscess.

A subungual abscess, which causes discomfort and inflammation of the nail matrix, can develop from an infection that is left untreated. As a result, the nail plate may experience temporary or permanent dystrophy. Pus development can elevate the nail plate by dislodging the nail from its underlying connection. Applying a short heated cautery tip1 to the area of the nail plate that is directly above the pus will successfully open and drain collections of pus under the nail plate without the need for anaesthesia. A tiny hole forms instantly, allowing the pus to escape. It is satisfying when pain is relieved right away. Abscesses don't go away on their own, so it's critical to get medical attention as soon as you can. Sometimes they might spread to different bodily parts and may be later.

To know more about abscess click here:

brainly.com/question/30197506

#SPJ4

The key difference between sickle cell and sickle cell disease is that Sickle cell is an inherited disorder of the red blood cells that is caused by a genetic mutation.

Treatment for sickle cell  complaint  generally includes  drug, blood transfusions, and stem cell transplants.

To know more about genetic mutation visit:

https://brainly.com/question/1282397

#SPJ4

Nutritious foods like fruits and vegetables are one of the key food chains that are absent from the Galapagos Islands, and climate change may be to blame for this.

The term "food chain" refers to the flow of substance and energy in the form of food from one creature to another. The majority of food chains begin with green plants using solar energy to produce food, which is then consumed by an animal, which is then consumed by yet another species. As a result, the majority of the major food chains in the Galapagos Islands are composed mostly of nutrient-dense foods like fruits and vegetables, which may be a result of climate change.

learn more about food chain here:

https://brainly.com/question/16504883

#SPJ4

The human GI tract has an average length of about 5 m and extends from the mouth to the anus in mammals. 17 The buccal cavity, esophagus, stomach, small intestine, and large intestine are the macroscopic compartments that are divided from one another by sphincters.

Is the digestive system considered to be external to the body?

Due to its open ends—the mouth and anus—which are both to the outside world—the alimentary canal is regarded as existing outside of the body. The mouth, pharynx, esophagus, stomach, and small and large intestines are all included in the canal.

Which of the following best describes how the digestive system works?

Digestion and absorption are the two functions of the digestive system. Food is broken down into small molecules during digestion, and these molecules are then absorbed by the body.

To know more about digestive tract visit;

https://brainly.com/question/28163067

#SPJ4

Multiple lines of evidence support the concept of common ancestry and evolution, providing a cohesive understanding of the biological diversity observed on Earth.

One key line of evidence comes from comparative anatomy, where similarities in the structures of different organisms reveal commonalities and suggest a shared ancestry. For example, the pentadactyl limb structure found in various vertebrates, including humans, whales, bats, and birds, indicates a common ancestor with a five-digit limb. Such shared anatomical features suggest that organisms have evolved from a common ancestor and have undergone modifications over time.

Another line of evidence is found in comparative embryology, which examines the development of organisms from fertilization to birth. Similarities in early embryonic development among different species further support the notion of common ancestry. For instance, the presence of gill slits in the embryos of vertebrates, even though they might disappear in later stages, suggests an evolutionary link to a common ancestor that had gills.

Genetic evidence provides compelling support for common ancestry as well. DNA sequencing has revealed remarkable similarities in the genetic makeup of different organisms. By comparing DNA sequences, scientists can determine the degree of relatedness between species. For example, the close genetic similarity between humans and chimpanzees, with whom we share a common ancestor relatively recently, supports the idea of common ancestry.

Fossil records also provide significant evidence for common ancestry and evolution. The discovery of transitional fossils, which exhibit characteristics of both ancestral and descendant species, helps fill in the gaps and provides a clearer picture of the evolutionary pathways. Fossil evidence shows the gradual changes and transitions between species over time, supporting the idea that organisms have evolved from earlier forms.

To know more about biological diversity

https://brainly.com/question/1253532

#SPJ11

Answer:

Health riparian zones are important to waterfront realtors developers because these zones help to increase property values,they cause a reduction in property loss which can be as a result of erosion, they reduce the amount of water pollution by improving the quality of healthy water and they enhance habitats for wildlife.

Explanation:

Waterfront realtors are real estate agents or developers that develop or build land properties on river or water.

The riparian zone is the interface between land and water. Waterfront realtors are concerned about the riparian zones because it reduces loss of property which can be cause of erosion, increase property values and so on.

Answer:

Waterfront realtors are real estate agents or developers that develop or build land properties on river or water.

The riparian zone is the interface between land and water. Waterfront realtors are concerned about the riparian zones because it reduces loss of property which can be cause of erosion, increase property values and so on.

Explanation: