diffusion occurs when molecules______________ and requires ___________.
Answers
Diffusion occurs when molecules move from an area of high concentration to an area of low concentration and requires no energy.
Diffusion is a process in which molecules of a substance move from an area of higher concentration to an area of lower concentration until they are uniformly distributed. It is a spontaneous process, which means that no energy is required for the molecules to move during diffusion. Diffusion is driven by the random motion of molecules due to their thermal energy.
Diffusion is an essential process in biology as it allows substances like oxygen and nutrients to move in and out of cells. It is also critical in industrial processes like gas separation, purification of water, and in the manufacturing of semiconductors.
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Related Questions
what effect does reusing or recycling municipal waste have on environmental resources?
Answers
By reusing and recycling MSW items, we can make supplies of nonrenewable resources last longer, save ourselves money, and reduce solid waste and pollution.
What are the two main types of star clusters? binary and wobbling eclipsing and binary globular and eclipsing open and globular
Answers
Answer: open and globular
Explanation: The two major types of star clusters are open clusters and globular clusters.
Answer:
open and globular
Explanation:
i just studied certant star clusters in school , and 2 of them were open and globular.
hope this makes sense
The similarities and differences in these limbs suggest that all three species developed from the same ancestor,but
Answers
Answer:
cool
Explanation: yes cool
what should I name my hamster (reupload)
Answers
Breathing hard during exercise brings oxygen to your muscles, which helps the
___ process release
energy to fuel your workout.
(Oxidation, diffusion, or active transport)
Answers
Answer: Respiration
Explanation:
Compare the ATP production process in photosynthesis with that of cellular respiration. Give at least one difference and one similarity.
Answers
Answer:
Photosynthesis and cellular respiration are two complementary processes that occur in living organisms and involve ATP (adenosine triphosphate) production.
Explanation:
One difference between ATP production in photosynthesis and cellular respiration is the location where it occurs. In photosynthesis, ATP is produced in the thylakoid membrane of chloroplasts during the light-dependent reactions. On the other hand, in cellular respiration, ATP is produced in the inner mitochondrial membrane during oxidative phosphorylation.
One similarity between ATP production in both processes is the involvement of an electron transport chain. In photosynthesis, the electron transport chain is present in the thylakoid membrane and uses light energy to generate a proton gradient, which drives ATP synthesis. In cellular respiration, the electron transport chain is located in the inner mitochondrial membrane and utilizes the high-energy electrons from the breakdown of glucose to create a proton gradient, leading to ATP production.
So, while the specific locations and mechanisms differ, both photosynthesis and cellular respiration rely on an electron transport chain to generate ATP, highlighting a shared fundamental process in energy production.
Which vein originates on the medial foot and empties into the femoral vein?.
Answers
Answer:
The great saphenous vein originates on the medial foot and empties into the femoral vein.
Explanation:
That faces are somewhat special visual stimuli is supported by all these findings except that:
Select one:
a. babies prefer stimuli with vertical (left/right) symmetry over those with horizontal (up/down) symmetry.
b. babies only a few days old prefer to look at the faces of their own mother over other age-matched female faces.
c. we are better at recognizing previously seen faces than other types of visual stimuli.
d. even very impoverished line drawings can be interpreted as faces.
e. babies prefer to look at faces over other stimuli
Answers
The faces are some what special visual stimuli that are supported by most of the findings except that babies prefer stimuli with vertical (left/right) symmetry over those with horizontal (up/down) symmetry. The remaining options (b, c, d, e) are consistent with the concept that faces are unique visual stimuli.
Babies only a few days old prefer to look at the faces of their mother over other age-matched female faces. It suggests that infants have an innate preference for the unique features of human faces, which distinguishes them from other objects and faces.
Therefore, all of the options given (except option a) support the idea that faces are unique visual stimuli that are processed using a distinct neural mechanism. These findings suggest that humans have an innate preference for faces and that our ability to recognize and remember them is better than for other types of visual stimuli.
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Answer the question below.
Please ignore the colored dot.
Do not answer if you have no idea. I am sick of that.
Answers
Answer:
Large areas of the earth with similar climate and ecosystems are called biomes.
Explanation:
Biomes are defined as areas of the planet with common characteristics, such as animal and plant species, as well as climate, which is why it is called a bioclimatic landscape.
When a relationship is established between an ecosystem —with all its biotic and abiotic components— and the climate in a given area, reference is made to a biome. Consequently, a biome represents large areas of land with similar geographical, climatic and biological conditions.
The other options are not correct because:
Communities are groups of individuals with common characteristics. Populations are individuals of the same species that occupy a certain space in a certain time. Organisms are synonymous with living beings.The process of cellular respiration . Pls help
Answers
Which is the final electron acceptor in the electron transport chain of cellular respiration?
NADH
FADH2
oxygen
carbon dioxide
Answers
Answer:
The answer is Oxygen .. so the name "oxidative phosphorelaton".
ETC is the part of cellular respiration to break sugar into energy. Oxygen is the final electron acceptor in the ETC of the cellular respiration process. Thus, option c is correct.
What is ETC?ETC is abbreviated for electron transport chain. It is one of the steps of the cellular respiration process that is involved in breaking the sugar molecule and oxygen into carbon dioxide, water, and energy. It uses electron and protein complexes to move the ions.
The oxygen acts as the final acceptor of the electron in the ETC due to its high electronegativity and affinity that allows it to accept electrons which leads to the formation of water as the byproduct. This further proceeds to the oxidative phosphorylation step.
Therefore, option c. oxygen accepts electrons in ETC.
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List FOUR features of the alveoli.
Answers
The pulmonary alveoli are small sacs found in the lungs, where gas exchange takes places.
Some of their features are:
• They are found in the respiratory bronchioles.
,• They are cup-shaped cavities
,• The gas exchange happens by diffusion in the alveolar membrane.
,• They consist of an epithelial layer and an extracellular matrix surrounded by capillaries.
• They are found only in mammalian lungs
,• They can stretch during inhalation thanks to collagen fibers.
,• In humans, they are functional at 32 weeks of gestation, but they continue to develop until puberty.
alcatueste pe baza informatiei referitoare la oxiuri o poveste cu final fericit
Answers
Answer:
intr-o zi un baitel a spus mamei ca il doare burta.Mama la intrebat nu ai mancat nimic rau.Baietelul a zis nu.Iar mama la luat si s-au dus la medic.Medicul a intrebat ce s-a intamplat.Iar mama zice pe baietelul meu il doare burta.Iar doctorul il controleaza sii zice ca are oxiuri cauza principala a boalei este igiena precara.Oxiurile sunt niste paraziti care folosesc corpul uman pentru a vietui.Iar mama intreaba pot sa se lecuiasca iar doctorul zice da trebuie sa spalati mainele mai des, camerele sa fiba aieresite mai des si hainele la spalat pe care lea purtat.Mama a acultat cu atentie sfaturile doctorului.Si apoi dupa o luna mama si baitelul ei au revenit la doctor si cu fericire au multumit docturului.
Titlul povestiei⁚Baitelul si oxiurile
Explanation:
What is the genotype and phenotype for A male hemophiliac with a woman pure for normal clotting.
Answers
Answer:
Male=XhY and woman=XHXH
How does selective gene expression benefit eukaryotes?
a) amino acid sequencing
b) fertilization
c) mutations
d) specialization of cells
Answers
I will give brainliest!!!!!!!!!!!!!!!!!!!!!!
You're looking through a microscope at a eukaryotic cell and notice that its genetic material (DNA) is openly floating around the cytosol.
What could be a possible cause for what you're seeing through the microscope?
Choose 1 answer:
(Choice A)
A
The lysosome is damaged.
(Choice B)
B
The nucleus is damaged.
(Choice C)
C
The vacuole is damaged.
(Choice D)
D
There is no cause; genetic material should be floating around the cell in this manner.
Answers
The nucleus is damaged
strepsirrhines (prosimians) are described as the most ""primitive"" of the living primates. describe three primitive features of strepsirrhines that make them similar to non-primate mammals:
Answers
Strepsirrhines (prosimians) exhibit primitive features resembling non-primate mammals, such as a rhinarium, tapetum lucidum, and dental formula.
Strepsirrhines (prosimians) are considered the most "primitive" of living primates due to several features that resemble those found in non-primate mammals. Here are three primitive features of strepsirrhines that make them similar to non-primate mammals:
Rhinarium: Strepsirrhines possess a rhinarium, which is a moist, hairless pad at the tip of their nose. This feature is also found in many non-primate mammals, and it helps enhance their sense of smell by capturing and detecting odor molecules in the environment.Tapetum lucidum: Strepsirrhines have a reflective layer in their eyes known as the tapetum lucidum, which is also found in many non-primate mammals. This layer reflects light back through the retina, increasing the sensitivity of their vision in low-light conditions, such as during nocturnal activities.Dental formula: Strepsirrhines typically possess a dental formula similar to that of non-primate mammals. Their dental formula includes incisors, canines, premolars, and molars, with variations depending on the specific strepsirrhine species. This primitive dental formula contrasts with the dental adaptations seen in other primates, such as the reduction or loss of certain teeth.These primitive features highlight the evolutionary characteristics shared between strepsirrhines and non-primate mammals. While strepsirrhines also possess unique primate traits, such as a reliance on arboreal habitats and specialized adaptations for climbing, these primitive features connect them to the ancestral lineage of mammals as a whole.
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Nagpur mandarin is propagated by which plant propagation technique?
Answers
Nagpur Mandarin, otherwise called Nagpur Santra or Nagpur Orange, is commonly spread by vegetative techniques like growing and uniting.
The process of budding entails inserting a bud or small shoot of the desired variety into the stem of a plant that is compatible with the rootstock. After that, the bud or shoot is allowed to develop into a new plant with the characteristics that are desired.
Grafting is a similar process in which a scion or stem cutting of the desired variety is attached to a rootstock plant. After that, the two parts are bound together until they meld and form a new plant.
The production of genetically identical plants, which can guarantee consistent fruit quality and yield, is made possible by these two propagation methods.
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The process of urine formation depends upon blood flow through the kidney in this order:
1. glomerulus
2. afferent arteriole
3. peritubular capillaries
4. efferent arteriole
Answers
The process of urine formation depends upon blood flow through the kidney in the order: Afferent arteriole-Glomerulus-Efferent arteriole-Peritubular capillaries.
The afferent arteriole is a small blood vessel that carries blood into the glomerulus. The glomerulus is a network of capillaries that are located in the Bowman's capsule. The efferent arteriole is a small blood vessel that carries blood out of the glomerulus. The peritubular capillaries are a network of capillaries that surround the tubules of the nephron.
The process of urine formation begins when blood flows through the afferent arteriole into the glomerulus. The high pressure in the glomerulus forces water and small solutes out of the blood and into the Bowman's capsule. The water and small solutes then flow through the tubules of the nephron, where they are either reabsorbed into the blood or excreted as urine.
The efferent arteriole controls the amount of blood that flows through the glomerulus. If the efferent arteriole constricts, the amount of blood that flows through the glomerulus decreases. This decreases the amount of water and small solutes that are filtered out of the blood and into the Bowman's capsule.
If the efferent arteriole dilates, the amount of blood that flows through the glomerulus increases. This increases the amount of water and small solutes that are filtered out of the blood and into the Bowman's capsule.
The peritubular capillaries are important for the reabsorption of water and small solutes from the tubules of the nephron. The peritubular capillaries are located close to the tubules of the nephron, and they have a high concentration of filtrate.
This high concentration of filtrate creates a concentration gradient, which drives water and small solutes from the tubules of the nephron into the peritubular capillaries.
The process of urine formation is a complex process that is regulated by a number of factors, including blood pressure, the amount of water and solutes in the blood, and the hormones that are released by the kidneys.
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if an 8mm bead takes 11.8 seconds to settle in the same column of water, what reason would explain yeh different settling times of the data
Answers
65 month period with a small business you are going for and then having 100 months of experience with the company
The settling time's data differs because the size of the beads differ and they have different times for attaining terminal velocity.
What is viscosity?The resistance of a fluid (liquid or gas) to a change in shape or motion of adjacent sections relative to one another is known as viscosity.
When a body moves through a fluid, it attains terminal velocity over time.
The more a liquid resists a body's travel through it, the higher its viscosity. Very little terminal velocity might be the outcome.
Also, the larger the diameter of the body or the size of the body, the faster it reaches terminal velocity.
When an object has a short terminal velocity-time, it has a longer settling time.
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5. Explain why LDL is considered to be the bad cholesterol and why HDL is considered to be the good cholesterol. Your explanation must be related to the function of these particles and metabolism, not to their effects on the risk of cardiovascular disease.
Answers
LDL (low-density lipoprotein) is considered the "bad" cholesterol because it transports cholesterol from the liver to peripheral tissues.
HDL (high-density lipoprotein), on the other hand, is considered the "good" cholesterol because it acts as a scavenger, removing excess cholesterol from tissues
It carries a higher proportion of cholesterol and lower protein content, making it more likely to deposit cholesterol in the arterial walls. This can lead to the development of plaque, contributing to atherosclerosis and increasing the risk of cardiovascular disease.
HDL (high-density lipoprotein), on the other hand, is considered the "good" cholesterol because it acts as a scavenger, removing excess cholesterol from tissues and transporting it back to the liver for metabolism and excretion. HDL carries a higher proportion of protein and lower cholesterol content, allowing it to remove cholesterol from arterial walls, reducing the risk of plaque formation and atherosclerosis.
Therefore, LDL is considered "bad" because it contributes to cholesterol accumulation in arterial walls, while HDL is considered "good" because it helps remove excess cholesterol and promotes its elimination from the body, promoting cardiovascular health.
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An improvable is a diamond that can be repolished to improve its clarity
A. to Flawless.
B. from I3 to SI2.
C. to VVS1 or VVS2.
D. to Internally Flawless
Answers
An improvable is a diamond that can be repolished to improve its clarity from I3 to SI2. This statement is the correct answer as it is one of the attributes of improvable diamonds.
What are improvable diamonds?Improvable diamonds are natural diamonds that are of poor clarity but can be enhanced or improved through polishing or other processes to improve their clarity grade. The improvement could move the diamond from an I3 clarity grade to an SI2 clarity grade.The process of polishing an improvable diamond is often referred to as clarity enhancement. This process is not universally accepted in the diamond industry, and improvable diamonds are not usually recommended as an investment.How are diamonds graded?
Diamonds are graded on four characteristics: Cut, Clarity, Carat Weight, and Color, commonly known as the 4Cs. Clarity is one of the most important characteristics of a diamond, as it determines the degree of internal and external blemishes that the stone possesses. Diamond clarity is measured on a scale of six grades, ranging from Flawless (F) to Included (I). The clarity grade is determined by the number, location, and type of inclusions found within the diamond.
The six categories of diamond clarity grades are:Flawless (F)VVS1 or VVS2 (Very, Very Slightly Included)VS1 or VS2 (Very Slightly Included)SI1 or SI2 (Slightly Included)I1, I2, or I3 (Included)Therefore, an improvable diamond can be repolished to improve its clarity from I3 to SI2.
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The longest food chain in this food web includes nine groups of organisms. Which of the following groups is included in that food chain? birds; The longest food chain includes phytoplankton, copepods, krill, carnivorous plankton, fishes, squids, birds, leopard seals, and smaller toothed whales.
Answers
The group "birds" is included in the longest food chain, according to the provided information.
A food chain is a linear sequence of organisms where each organism is eaten by the next higher organism in the chain. The food web given includes several organisms that are interlinked through a complex series of feeding relationships. The longest food chain in this food web consists of nine groups of organisms.
The first group is phytoplankton, which is a primary producer and forms the basis of the food web. The second group is copepods, small crustaceans that feed on phytoplankton. The third group is krill, which is a small shrimp-like animal that feeds on copepods. The fourth group is carnivorous plankton, which are small predatory animals that feed on krill. The fifth group is fishes, which feed on carnivorous plankton. The sixth group is squids, which feed on fishes.
The seventh group is birds, which feed on squids. The eighth group is leopard seals, which are large predatory animals that feed on penguins and smaller seals. The ninth and final group is smaller toothed whales, which feed on leopard seals. Therefore, the group included in the longest food chain is birds.
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A student was absent and missed our lesson on heating and cooling curves (phase change graphs). In
two sentences, summarize what phase change graphs are.
Answers
What is the purpose of science?
————————-is the process of trying to understand the
world around us by questioning, observations, curiosity, logical thinking and
——————— ———————
Answers
What is the difference between a musculoskeletal disease and a musculoskeletal disorder.
Answers
Answer:
A disease is an illness that is suddenly acquired, and a disorder is present at birth.
Explanation:
Musculoskeletal discomfort has a wide range of reasons. The wear and tear of daily activities can cause muscle tissue injury.
Musculoskeletal discomfort can also be caused by trauma to a region.
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WHAT CAN LARGE CELLS DO TO INCREASE THEIR TOTAL SURFACE-TO-
VOLUME RATIO?
Answers
Answer:
infolding of membranes
look at a picture of a mitochondria the cristae are a great example of this weaving in and out of the center of the organelle to increase surface area
Explanation:
Which best describes how mRNA is produced in a cell?
A. mRNA is made up by lining up RNA nucleotides, using DNA as a template.
B. mRNA is made by duplicating RNA found in the nucleus.
C. mRNA is made by breaking apart DNA and reusing the pieces.
D. mRNA is made by DNA, using RNA nucleotides as a template.
Answers
Answer:
d
Explanation:
N2+3h2-->2NH3
How many total reactant atoms are their?
Answers
Answer:
There are 7 reactants atom are there.
Explanation:
1 Nitrogen atom( formula=N2) and 6 Hydrogen atoms ( 3 hydrogen atoms with 2 coefficient , 3x2=6. 6+1=7. So my answer that there are 7 reactant atoms take part in this reaction
which of the following conditions does not impact the supply of
watermelons
Answers
The condition that does not impact the supply of watermelons is the "demand for other fruits." The supply of watermelons is determined by factors specific to watermelon production, and not by the demand for other fruits.
The condition that does not impact the supply of watermelons is "demand for other fruits."
The supply of watermelons is determined by various factors, such as weather conditions, production costs, availability of resources, and market demand. However, the demand for other fruits does not directly affect the supply of watermelons.
To understand this better, let's break it down step-by-step:
1. Supply and demand: The supply of a product refers to the quantity of that product available in the market at a given time, while demand refers to the quantity of the product that consumers are willing and able to purchase at a specific price.
2. Factors affecting supply: Factors such as weather conditions (such as drought or heavy rain), production costs (such as labor, seeds, fertilizers), and availability of resources (such as land, water) can impact the supply of watermelons. For example, if there is a drought, watermelon crops may fail, resulting in a decrease in supply.
3. Demand for other fruits: While the demand for other fruits, such as apples or oranges, can impact their supply, it does not directly affect the supply of watermelons. Each fruit has its own market dynamics and factors that influence its supply.
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