The case in which osmosis occurs is that when there is a selective permeable membrane is present and it allows only selective substances to pass through the channel.
What is osmosis?Osmosis is the process in which molecules of the solvent pass via a semipermeable membrane from a lower concentrations to higher concentration or from less concentrated solution to high concentrated solution. In the process of osmosis movement of water takes place.
There are mainly three types of osmosis and these are hypertonic, hypotonic, and isotonic. The process of osmosis is passive transport as water moves from low solute concentration to high solute concentration.
Osmosis is also known as diffusion of water or solvent via a membrane which allows only selective substance to go across the channel. The process of osmosis does not require ATP because it is a passive process.
Therefore,The case in which osmosis occurs is that when there is a selective permeable membrane is present and it allows only selective substances to pass through the channel.
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Which statement describes the movement of water when a cell swells up and bursts due to osmosis?
Group of answer choices
The cell membrane used energy to move water into the cell through passive transport.
The cell membrane used energy to move water out of the cell through passive transport.
Water went out of the cell because the concentration of water inside the cell was higher than the concentration outside the cell.
Water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell.
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Question 9
Answer:
water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell.
Answer:
D. Water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell
2. Which two biomes are known asthe dry biomes?
tundra and forest
desert and tundra
desert and grassland
Answer:
The desert and tundra biomes have very different temperatures as well as extremely different plants and animals. The desert can get very hot during the day, but cool off quickly at night. It has sandy soil and supports very little plant life. Animals found in the desert include lizards, javelinas, Gila monsters, coyotes, bobcats, scorpions, and kangaroo rats. The tundra is cold, dry, and often dark. The average temperature is about 10°F. The soil below the surface is permanently frozen, and is called permafrost. A few types of plants grow during the short summer season. Animals found in the tundra include caribou, foxes, wolves, and Arctic hares.
Explanation:
Why does a siren have a lower pitch as it moves away from you? (hurry need answer quick and fast)
A.Diffraction causes the sound waves to bend.
B.Constructive interference causes the amplitude to decrease.
C.Wavelength increases at a very fast rate.
D.The Doppler effect causes a lower perceived pitch.
Answer:
D) the doppler effect
Explanation:
the sound waves are more spread out as it moves away resulting in a lower pitch
1 point
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Which of the following correctly describes how epithelial tissues gets nourishment?
From blood vessels deep to the basal layer.
Epithelial tissue does not need nourishment, it is dead.
From blood vessels scattered throughout the cells.
From the air surrounding the apical surface.
From the air surrounding the apical surface.
Answer:
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Name 2 differences between plant and animal cells.
A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. Animal cells simply have a cell membrane, but no cell wall.
Answer:
A difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular
Plant cells have a rigid cell wall that surrounds the cell membrane
Just answer 6 and 7 please I just answer what u can
Answer:
They are not verbal-- something less in the impostance of getres tey more than it.
Explanation:
An essay is, generally, a piece of writing that gives the author's own argument — but the definition is vague, overlapping with those of a paper, an article, a pamphlet, and a short story. Essays have traditionally been sub-classified as formal and informal
Answer:
someone answered right when i was about to answer wow
Explanation:
Apples, pears and plums grow on
Answer:
Apples, pears and plums grow on trees.
Explanation:
Answer:
In cold season in Kashmir
please answer this for me
Answer: Organ
Check my answer
Explanation:
Please help me with this.
Choose one of these career fields:
- astronomer
- geologist
- meteorologist (this)
- oceanographer (or this)
- List three tasks this type of scientist completes most days.
- List a location where such a scientist may work.
- Identify three reasons why this type of scientist's work is important.
- Identify what course of study is necessary to work in this field of science, as well as how many years of study are necessary to complete a degree in this field.
what is the hypothesis and the experimental group
Answer:
where is the picture or what is it talking about?
Hellllllllllppppp pleasse!!!!!!!
Answer:
Im not sure but I think its a
Explanation:
I learned it in class
Answer: B
As stating the liquid properties of matter, a liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure. It is one of the four fundamental states of matter (the others being solid, gas, and plasma), and is the only state with a definite volume but no fixed shape.
I would be happy to help with any other questions you may have in the future and will do my best to provide helpful answers! :D
What are comets? How are they formed? Write a paragraph about them.
Comets are small bodies that go around/orbit the sun. A comet can also pack more damaging force than even an asteroid of the same mass. The dusty particles combined with ice and water, become the amazing beginning of a Comet.
When a comet or comets come within a certain distance of the Sun, they sublimate, which is another word for going from a solid-state to a gas without ever becoming a liquid.
why must blood glucose levels be carefully controlled?
Answer:
Blood glucose is a sugar that the bloodstream carries to all cells in the body to supply energy. A person needs to keep blood sugar levels within a safe range to reduce the risk of diabetes and heart disease. Blood glucose monitoring measures the amount of sugar that the blood is transporting during a single instant.
Explanation:
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Is mass conserved in chemical reactions?
Answer:
Mass is not conserved in chemical reactions. ... This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. According to Einstein's famous equation, E = mc2, mass can be transformed into energy and energy can be transformed into mass.
Explanation:
Answer:
Mass is not conserved in chemical reactions. The fundamental conservation law of the universe is the conservation of mass-energy. This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. According to Einstein's famous equation, E = mc2, mass can be transformed into energy and energy can be transformed into mass. This is not some exotic process, but in fact happens every time there is a reaction. Mass is therefore never conserved because a little of it turns into energy (or a little energy turns into mass) in every reaction.
Eugene describes the physical property of a material as “sweet and floral.” What physical property of the material is Eugene most likely observing?
boiling point
shape
hardness
odor
Answer:
Odor
Explanation:
When you smell something, you are smelling it's odor. The words "sweet" and "floral" are most likely referring to the odor of a flower.
Which processes in the water cycle are most likely responsible for turning the
gaseous water vapor in the atmosphere into liquid water that eventually reached Earth's surface?
Answer:
condensation
Explanation:
Answer:
Condensation
Explanation:
Condensation is the process by which water vapor in the air is changed into liquid water.
What will happen if ATP and NADPH are already used up at night?
Answer:
If ATP and NADPH are already used up at night , the production of glucose will stop.
Explanation:
IMPORTANCE OF ATP AND NADPH -: To temporarily store energy, the light-dependent reactions generate ATP and either NADPH or NADH. In light-independent reactions, these energy carriers are used to drive the energetically unfavorable mechanism of "fixing" organically inorganic CO2.
ATP is the molecular energy "currency" in biological systems. All energy produced by living organisms' cellular respiration must end up being used as ATP to power it. NADPH is a hydrogen carrier molecule reduced by NADP (Nicotinamide Adenine Dinucleotide Phosphate). While the light-dependent reactions take place, energized electrons hop on to electron carriers excited by photon energy from the sun (On Photosystem 2) and finally get to Photosystem one.
If ATP and NADPH are already used up at night, the fixation of carbon dioxide into glucose will halt. In other words, the light-independent reaction of photosynthesis will stop.
There are essentially 2 reactions in photosynthesis:
light-dependent reactionlight-independent reactionIn the light-dependent reaction, radiant energy is used to excite electrons chlorophyll molecules while electrons in water replace the excited electrons. ATP and NADPH are generated in the process.
The ATP and NADPH produced during the light-dependent reaction of photosynthesis are essential for the reduction of carbon dioxide into glucose in the light-independent reaction.
Hence, unless the light-dependent reaction takes place to make ATP and NADPH available, there is no other way to produce the precursors for the fixation of carbon dioxide into glucose.
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The density of a substance is 4.0 g/cm3. If a sample of the substance has a volume of 25 cm3, then what is its mass? (Hint: Use the equation: mass = density × volume.)
the answer is 100 grams. the formula for finding mass is density x volume.
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Check Your Understanding
1. Which of these abiotic factors would contribute
to a clumped dispersion pattern in an ecosystem?
Select all correct answers.
a. unlimited water
b. limited water
c. high temperatures
d.moderate temperatures
e. ample rainfall
f. limited rainfall
Answer
[] B
[]C
[]F
one factor in the formation of hurricanes and tornadoes that is the same?
Perhaps the only similarity between tornadoes and hurricanes is that they both contain strong rotating winds that can cause damage. There are many differences between tornadoes and hurricanes. The largest tornado every observed was 4 km (2.5 mi) wide, and most tornadoes are < 0.8 km (0.5 mi) wide.
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When does facilitated diffusion occur?
Answer:
The word ‘diffusion’ means free movement across distance, with or without the presence of a barrier. However, there is a phenomenon known as facilitated diffusion which occurs at the cellular level. The cell does not allow free radicals and other harmful substances to enter and harm the cell organs.
Explanation:
Answer:
When certain large molecules are unable to move through the membrane without the help of channel proteins.
Explanation:
Facilitated diffusion occurs when large molecules that are unable to pass through a membrane on their own make use of channel proteins to move from one side of the membrane to the other. Facilitated diffusion can occur when a liquid on one side of a membrane has a higher osmotic pressure than a liquid on the other side of the membrane, but it isn’t a required feature of facilitated diffusion. Similarly, facilitated diffusion can occur when there’s a large membrane potential present, but it isn’t a required feature of facilitated diffusion. Facilitated diffusion doesn’t require the use of energy, so the presence of ATP is irrelevant to facilitated diffusion occurring.
What is G-zero (G0) and why is it important to the cell?
Answer:
The G0 phase describes a cellular state outside of the replicative cell cycle. Classically, cells were thought to enter G0 primarily due to environmental factors, like nutrient deprivation, that limited the resources necessary for proliferation. Thus it was thought of as a resting phase.
Explanation:
Explain how a global temperature increase could affect plants.
Answer: When temperatures rise, Plants grow taller to cool themselves off.
Explanation:
Their stems grow taller and their leaves become narrower and grow farther apart.
Which of the following is the distinguishing feature of prokaryotic cells?
Prokaryotic cells have a nucleus.
Prokaryotic cells do not have a cell wall.
Prokaryotic cells do not have a nucleus.
Prokaryotic cells have mitochondria.
Answer: The answer is C
A prokaryotic cell usually lack a well defined nucleus. The correct option is C.
What is a prokaryotic cell?A prokaryotic cell is one that lacks a true nucleus and membrane-bound organelles.
The prokaryotic cell is the foundation of organisms in the domains Bacteria and Archaea.
Thus, the correct option is C.
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in passive transport molecules move from _____ concentration to______ concentration
help please .. fill in blanks question
Answer:
High to low concentration
Explanation:
How does the nervous system work together with the digestive system?
Explanation:
The autonomic nervous system controls the tone of the digestive tract. The brain controls drinking and feeding behavior. The brain controls muscles for eating and elimination. The digestive system sends sensory information to the brain.
6
Cameron reads in his textbook that animal cells are composed of 90 percent water and 10
percent protein, carbohydrate, nucleic acid, lipid, and other molecules. He learns that
homeostasis is the process by which this composition is maintained. How does an organelle
in an animal cell control the content of water and other material in the cell?
F The cell wall splits apart to allow water and materials to enter the cell and waste
products to leave the cell.
G The cell membrane is selectively permeable, which controls the movement of materials
in and out of the cell by passive and active transport.
H Vacuoles in the cell open and draw in only the materials needed from outside the cell.
J
Lysosomes move out of the cell to capture and bring back needed materials.
7
Models of the human immunodeficiency virus (HIV) and an animal cell are shown below.
Answer:
The cell membrane is selectively permeable, which controls the movement of materials in and out of the cell by passive and active transport.
Explanation:
According to this question, animal cells are made up of the following contents: 90% water and 10% protein, carbohydrates, nucleic acid, lipids and other molecules. The cell regulates this internal composition in a stable way via a process called HOMEOSTASIS.
The animal cell is able to regulate or maintain a stable internal composition by the possession of a selective permeable membrane called CELL MEMBRANE. The cell membrane is semi-permeable in the sense that it allows the entry of some molecules into and out of the cell and blocks others.
Some molecules are allowed by the cell membrane without the need for energy input in a transport called PASSIVE TRANSPORT while some requires energy input in a transport called ACTIVE TRANSPORT.
Suggest how a cell may vary the rate of an enzyme controlled reaction:
nt
Answer:
A cell may vary the rate of an enzyme controlled reaction by making more/less or degrading more/less.
Explanation:
A cell may vary the rate of an enzyme controlled reaction by making more/less or degrading more/less. Several factors affect the rate at which enzymatic reactions proceed include post translational modifications, substrate concentration, cofactors, temperature, pH, locations. The shape and structure of the enzyme will change as the pH value of the reaction medium changes.
A cell may vary the rate of an enzyme controlled reaction by:
Degrading with timeAccording to the given question, we can see that we need to show how a cell can vary the rate of a reaction which is controlled by an enzyme.
As a result of this, we can see that there are different ways through which a cell may control the rate of reaction in an enzyme controlled state which are by the level of degradation with time.
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you don’t need to answer 11 because i need to watch a video for it. but plssss
20 points:)
Answer: 7. Adenosine triphosphate 10. Endocytosis is the cellular process in which substances are brought into the cell.
Explanation: Sorry, I could only answer 7 and 10. I’m more of a person who answers straight-forward questions. I don’t really like fill in the blanks.
What can be used to measure the rate of photosynthesis
Answer:
the answer it at the bottom
Explanation:
Uptake of CO2 by plants: Since CO2 is needed for photosynthesis, measuring how much of it is taken up by the plants gives us information on how much of photosynthesis is happening.
Release of O2: The amount of O2 produced during photosynthesis can be measured.