Compare and contrast the processes of passive transport (facilitated diffusion) and active transport.

Answers

Answer 1
passive transport moves ions from high concentration to low but active transport movies ions from low concentration to high
Answer 2
Final answer:

Passive transport, such as facilitated diffusion, and active transport are both essential for substance movement within cells, but they operate differently. Passive transport moves substances from high to low-concentration areas without energy requirements, while active transport moves substances from low to high-concentration areas, requiring energy.

Explanation:

The process of passive transport, such as facilitated diffusion, and active transport are both essential mechanisms through which substances move across cell membranes in organisms, but they operate differently.

Passive transport refers to the movement of substances from an area of higher concentration to an area of lower concentration, which requires no cellular energy. An example of this is facilitated diffusion, where carrier proteins in the cell membrane assist in the transport process.

In contrast, active transport moves substances from an area of lower concentration to an area of higher concentration, which goes against the concentration gradient and requires energy in the form of ATP. Proteins within the cell membrane act as 'pumps' to conduct this process. An example of active transport is the sodium-potassium pump wherein active transport is employed to pump sodium out of cells and potassium into cells.

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Related Questions

Demography is an important tool for many scientists and planners. Demographic studies do not give statistics for _____.

Answers

Demographic studies do not give the statistics for Height 
Hope this answer helps 
please give me brainliest and have a brainy day :)

Demographic studies do not give statistics for height.

Almonds may be small, but they pack a great number of nutrients, including protein, vitamin E, and vitamin B2. Almonds also contain antioxidants and monounsaturated fat, a “good” type of fat that, like the omega-3 fatty acids, reduces the risk of heart disease.

Review the graph that represents the whole class data. Notice that the almond samples provide a large amount of chemical energy. What is the BEST explanation for this large amount of available energy?

Answers

omega-3 is the anser i thank

Answer: Fats have more energy than any other nutrient.

Explanation:

The reason that the amount of oxidation which turns these compounds into carbon dioxide and water.

Carbohydrates require one oxygen as it has one oxygen attached to it. Fats needs two oxygen molecules to convert into carbon dioxide and water.

Fats has more carbon in it and less oxygen and this is due to more energy stored in the carbon bonds.

Generally fats provides double the energy of carbohydrates. Almonds has fat in it so it has large amount of energy stored in it.

Which of the fine wine producing districts of bordeaux have been classified?

Answers

the fine wines are medoc, sauternes/barsac

The Bordeaux Wine Official Classification of 1855 classified the wines of Bordeaux into five Grand Crus categories, affecting the prestige and price of these wines. European regions, like Bordeaux, typically classify wines by region, while other countries often label them by varietal names.

The fine wine-producing districts of Bordeaux that have been classified primarily refer to the 1855 Bordeaux Wine Official Classification, which was requested by Emperor Napoleon III for the Exposition Universelle de Paris. The classification system ranked the wines into five categories (Grand Crus) from different Bordeaux subregions like Médoc, Graves, Sauternes, and Barsac based on the château's reputation and trading price, which at that time was generally equated with quality. This historic classification has stood the test of time with few modifications and continues to influence the prestige and price of Bordeaux wines. From a global perspective, while European wines are indeed classified by region, in countries like America and New Zealand, wines are commonly labeled by their varietal names, which can include grapes such as Cabernet Sauvignon and Merlot.

Minerals made up of a single element are sometimes called _____.
a.sheet minerals
b.native elements
c.silicate minerals
d.independent tetrahedral elements

Answers

b.native elements. trust me i took this quiz

The double arrows tell you that the following reaction
CO2 + H2O ⇄ H2 + CO3

Answers

Final answer:

The double arrows represent an equilibrium in a chemical reaction, where both forward and reverse reactions occur. The presence of coefficients indicates the number of molecules involved in the reaction. A single arrow shows a one-directional reaction, while double arrows show reversibility.

Explanation:

Double arrows in a chemical equation signify a situation of equilibrium, where the reaction can proceed in both the forward and reverse directions. It is important to note that in the provided equation CO2 + H2O ⇌ H2 + CO3, there seems to be a typo as 'CO3' should actually be written as 'HCO3-' to represent bicarbonate ion, and the reaction should include a hydrogen ion (H+) to balance the equation. Therefore, the correct representation of the equilibrium is CO2 (aq) + H2O (l) ⇌ H+ (aq) + HCO3- (aq). This reaction is also an example of carbon dioxide reacting with water to form carbonic acid, which is a weak acid and can dissociate into a hydrogen ion (H+) and a bicarbonate ion (HCO3-).

When we see a balanced chemical reaction like CH4 + 2O2 → CO2 + 2H2O, the single arrow indicates the reaction proceeds from left (reactants) to right (products), with two oxygen molecules and two water molecules being involved as indicated by the coefficient '2'.

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in which function?

Answers

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in CELL TO CELL RECOGNITION.
Carbohydrates have diverse functions, one of their functions is that they serve as a recognition signal at the surface of cells.
Carbohydrates located on the surface of cells enable cells to recognize and  communicate with one another.

Which of Steno’s principles is responsible for the thin undisturbed layers found in the Grand Canyon?

A.principle of superposition

B.principle of original horizontality

C.principle of original lateral continuity

D.principle of faunal succession

Answers

Its is C that is ur answer because I did it so if u needed help there you go

I believe that the answer is C. Thanks!

The p wave of the electrocardiogram is closely followed by __________

Answers

In an electrocardiogram, you have a PQRST wave. Wave Q follows the P wave.
P = atrium contracts
Q = atrium relaxes
R = ventricle contracts
S = ventricle relaxes
T = repolarization

The nurse instructs a pregnant woman in labor that she must avoid lying on her back. the nurse bases this instruction on the information that the supine position is primarily avoided because it can do what?

Answers

The supine position - lying on your back - is the traditional method of giving birth that is so often depicted in movies. This position, however, has many detrimental effects and is often not advisable for pregnant women in labor. The position can lead to longer labor, which puts stress on the baby. It makes contractions more painful and less effective, which is what extends the time of labor. It also reduces flow of blood and oxygen to the baby, which is not safe. Additionally, it increases the risk of tearing. Anatomically, it is not the best position because it causes one to be pushing the baby up instead of down and it causes the birth canal to narrow.

Can vegetables, fruit, and the kaiser too poster analysis

Answers

The poster makes a play on words as part of the home front efforts in World War I. It encourages citizens to grow and preserve their own food as part of the war effort. The pun on "can" as meaning to fire from a job or discard in a trash can relates the food canning to the drive to remove Kaiser Wilhelm of Germany. The small print offers a book on how to preserve foods.

Final answer:

The 1917 poster “Can Vegetables, Fruit, and the Kaiser Too” from the U.S. Food Administration serves as a historical example of wartime propaganda, advocating for food conservation at home to support troops abroad. Analyzing the poster reveals the importance of simple, bold, and eye-catching design in conveying messages quickly. It also highlights the societal and historical significance of such artifacts.

Explanation:

Analysis of “Can Vegetables, Fruit, and the Kaiser Too” Poster

The 1917 lithographed poster issued by the U.S. Food Administration is a key historical artifact from World War I. It represents a vivid example of how governments utilized propaganda to encourage specific behaviors at home to support the war effort. The poster's advice, such as eating less wheat and meat, highlights the home front's role in conserving food for soldiers. This was part of a broader strategy to ensure ample food supplies for military forces abroad.

Posters of this era had to be simple, bold, and eye-catching, capable of conveying messages quickly and unambiguously due to the brief attention they could capture from the public. The technique was not just about saving resources but also about instilling a sense of duty and solidarity among civilians. By analyzing this piece as both an art object and a cultural artifact, one can understand the broader social, political, and historical contexts of the time.

The comparative analysis of posters, using art historical iconographic and iconologic methodologies, reveals not just the aesthetic dimensions but also the rich layers of meaning encoded within. This is especially true for posters designed during significant historical periods, where they serve as windows into the era's collective consciousness and societal values.

The presence of gallstones in the gallbladder or bile ducts is termed ______ .

Answers

gallblader is cholecyst/o and bile ducts is choleang/o

How do materials move across cell membranes? compare the different transport mechanisms for moving molecules across the plasma membrane (e.g. is energy required? are the molecules moving down a concentration gradient or against a concentration gradient?

Answers

There are 3 methods that materials are transported across cell membranes in basic. Diffusion, osmosis and active transport.

In diffusion, the net movement of fluid is from a region of higher concentration to lower concentration, down the concentration gradient , resulting from the random movement of particles. They do not require extra energy and there will be no more net movement when both sides has a equal concentration.

For osmosis, its the net movement of water molecules only from a region of higher water potential to lower, down the concentration gradient, but must be through a semi permeable membrane (cell membrane in this case). Also, it doesn't require extra energy.

And for active transport, it's the movement of particles against the concentration gradient, by using extra energy provide from for example cellular respiration. It also requires protein carriers.

Name the structures of the eye through which light passes in the process of sight

Answers

After passing through the cornea, light travels through the pupil (the black dot in the middle of the eye). The iris—the circular, colored area of the eye that surrounds the pupil—controls the amount of light that enters the eye.

Final answer:

Light traverses through the cornea, pupil, lens, and retina before being processed into nerve impulses by rods and cones. These impulses are transferred to the brain through the optic nerve, enabling us to see.

Explanation:

Path of Light through the Eye

The eye is a finely tuned instrument that senses and focuses light. As light enters the eye, the following structures are involved in the process of sight:

Cornea: The light first encounters the cornea, which is a clear, protective outer layer of the eye designed to allow light to pass through while also offering protection.Pupil: Light then travels through the pupil, the black opening within the iris that regulates the amount of light entering the eye.Lens: After passing through the pupil, light is further focused by the lens. The lens is able to change shape to focus light onto the retina, aided by muscles and the ciliary fibers.Retina: Light is projected onto the retina, which contains photoreceptor cells known as rods and cones. These cells convert light into nerve impulses.Optic Nerve: These nerve impulses are transmitted to the brain via the optic nerve, where they are interpreted as the images we see.

The incredible range of light detection, from low to bright light, is facilitated by the adjustment of the pupil and chemical processes within the eye. This dynamic system allows us to perceive fine details, distance, and colors accurately.

What mineral deposit is the reason parts of micronesia have had jungle cover removed?

Answers

On Guam  at least phosphate from guano was mined and would most likely requiring clearing of jungle for access and also it had manganese deposits and bentonite which if eventually mined would most likely require jungle clearing as well, at least locally.

Select all that apply. Plants are used in a variety of industries, such as _____.

Answers

What are the multiple choices?
pharmaceuticals
clothing retail
car production
paper production
restaurants
I believe

What factor is least likely to lead to hypoglycemia?
a. overuse of alcohol
b. uncontrolled type 2 diabetes
c. pancreatic cancer
d. excessive insulin administration
e. well-controlled type 1 diabetes?

Answers

The answer to this question would be: b. uncontrolled type 2 diabetes

All the option listed has a risk for hypoglycemia. Alcohol could cause hypoglycemia thus overuse of alcohol will have a high risk of hypoglycemia.
Uncontrolled type 2 diabetes will result in high blood glucose which called hyperglycemia. Pancreatic cancer can cause excess insulin production. Diabetes type 1 that well-controlled means that the patient got insulin regularly. If the patient stops eating the insulin is still working the blood glucose will drop.
Final answer:

A e. Well-controlled type 1 diabetes is least likely to lead to hypoglycemia.

Explanation:

The factor that is least likely to lead to hypoglycemia is well-controlled type 1 diabetes. Hypoglycemia is a condition characterized by low blood sugar levels, and well-controlled type 1 diabetes involves carefully managing blood sugar levels to prevent extreme fluctuations. In contrast, the other options which are overuse of alcohol, uncontrolled type 2 diabetes, pancreatic cancer, and excessive insulin administration can all potentially contribute to hypoglycemia.

The primary treatment for hypoglycemia involves raising blood glucose levels. This can be achieved by consuming a fast-acting source of carbohydrates, such as glucose tablets, fruit juice, or candy. In severe cases, glucagon injection or intravenous glucose may be administered. Identifying and addressing the underlying cause is essential for long-term management.

You are performing cpr on an infant when a second rescuer appears. what is the next step in management

Answers

Have the second rescuer help with CPR, to minimize fatigue CPR can keep oxygenated blood flowing to the brain and other vital organs until more definitive medical treatment can restore a normal heart rhythm. When the heart stops, the lack of oxygenated blood can cause brain damage in only a few minutes. A person may die within eight to 10 minutes.

use gland and hormone in the same sentence

Answers

The anterior pituitary gland produces hormones and releases them into the blood.

Trauma to a joint that causes injury to the surrounding ligament is called

Answers

Joint dislocation....

This would be joint dislocation ^^

If a non english speaking patient come to the office without an interpreter what should the medical assistant do

Answers

Generally an interpreter is needed to translate what a non English speaking person comes for any medical assistance. If a non English speaking patient comes without an interpreter then attempt should be made to find someone who can communicate. The medical office should hire a bilingual office staff to avoid such situation.
The medical assistant can ask someone to help communicate with the non English patient or advice the patient to come with an interpreter.

Explain the relationship between water cycle, carbon cycle, and nitrogen cycle

Answers

Final answer:

The water cycle, carbon cycle, and nitrogen cycle are interconnected processes that maintain the balance of essential elements and resources in the environment.

Explanation:

The water cycle, carbon cycle, and nitrogen cycle are all interconnected processes that play vital roles in the Earth's ecosystems. The water cycle involves the continuous movement of water between the atmosphere, land, and oceans. The carbon cycle is the process by which carbon is exchanged between living organisms, the atmosphere, and the Earth's surface. And the nitrogen cycle is the recycling and transformation of nitrogen in the environment.



The water cycle helps distribute water around the planet, ensuring that organisms have access to this essential resource. The carbon cycle regulates the amount of carbon dioxide in the atmosphere, which is important for maintaining the Earth's climate. And the nitrogen cycle is essential for the growth of plants and the production of proteins in living organisms.



Overall, these cycles work together to maintain the balance of essential elements and resources in the environment, supporting life on Earth.

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N each ventricle is a blood vessel network called the ________ that produces cerebrospinal fluid

Answers

The answer is called the choroid plexus. Please thank me as adding this as brainiest, thanks.

A nurse is developing a plan to teach a mother how to reduce her infant's risk of developing otitis media. which direction should the nurse include in the teaching plan?

Answers

The answer to this question would be: Place the baby in an upright position when giving a bottle.

Otitis media is an inflammation of the middle part of the ear. This part normally can't be reached from the external ear because there is a tympanic membrane that acts as a barrier. But it can be reached from the nasopharynx since it was connected to the ear by eustachian tube. 
Putting the baby in an upright position will lower the risk of fluid got stuck inside the middle ear.

In a typical long bone, the ______ is a narrow zone that connects the expanded area, located at each end of the bone, to the shaft.

Answers

In a typical long bone, the ______ is a narrow zone that connects the expanded area, located at each end of the bone, to the shaft.
Diaphysis

Carrie would like to observe the cilia on the surface of a live paramecium—a single-celled organism. the best device to do this would be a

Answers

The answer to this question would be: electron microscope

Cilia is a part of the paramecium membrane that looks like hairy projection. The size of cilia is too small to be examined closely using the light microscope. In this case, the electron microscope can provide a bigger magnification.

Final answer:

To observe the cilia on the surface of a live Paramecium, a light microscope is the best choice, as it can magnify live specimens and is effective when the cells are stained to reveal the details of small structures like cilia.

Explanation:

Carrie is interested in observing the cilia on the surface of a live Paramecium, a type of single-celled organism known as a protist. The best device for viewing the small surface structures of a cell, such as cilia, would be a light microscope. This type of microscope is capable of magnifying live specimens and is ideally used when the cells have been stained to reveal details.

Cilia are numerous and extend along the entire surface of the plasma membrane. They are essential for the locomotion of Paramecium and other functions in various cells. Ciliates like Paramecium are known for moving by the rhythmic beating of their cilia, which can be fascinating to observe under a light microscope.

Using a light microscope, one can view the rhythmic movements of cilia and gain understanding of how ciliates like Paramecium feed and move in their environment, making it an ideal tool for studying such living microorganisms.

Each muscle is wrapped in a ____________ a thin connective tissue that joins to the tendon

Answers

Each muscle is wrapped in an Epimysium, which is a connective tissue that connects the joint to the tendon. There is connective tissue outside the Epimysium, which is called Fascia. The purpose of this is to complete surround and then separate the muscles from one another.

Which of the following best defines the term irrigation?

the nutritional supplementation of soil
the process of watering crops
the use of technology to alter genes
the genetic information of an organism

Answers

The process of watering crops.

N important organelle found in eukaryotic cells produces ribosomal subunits from proteins and ribosomal rna, also known as rrna. it then sends the subunits out to the rest of the cell where they combine into complete ribosomes. ribosomes make proteins; therefore, this organelle plays a vital role in making proteins in the cell. what is this organelle?

Answers

It's the nucleus or the nucleolus to be exact which produces rRNA which as a structural component of ribosomes.

Hope i helped!

Photosynthesis is the ultimate source of the _____ we breathe and the _____ we eat.

Answers

Blank 1: Oxygen.

Blank 2: Food.


I really hope this helped you! c:

Which observation would be evidence that heat was transferred by radiation?
A) A person feels colder when the wind is blowing.
B) A pan on a stove heats up the food placed in it.
C) Warm air in the kitchen rises to the second floor of the house.
D) A car with the windows rolled up gets very hot on a summer day.

Answers

I think it is D, but read the other person's explanation.

Answer: D) A car with the windows rolled up gets very hot on a summer day.

A radiation can be defined as the transmission of energy in the form of waves, particles or rays through space or through a material medium. A radiation is being transmitted from one source till it reaches it's destination. A radiation transfers heat energy. A car with the windows rolled up gets very hot on a summer day would be evidence that heat was transferred by radiation because the glass pane of the window of the car being transparent will absorb the heat energy coming from the solar radiation.  

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