Which of the following molecules dramatically increases the rate of diffusion of water across cell membranes?
A. the sodium-potassium pump
B. aquaporins
C. gated ion channels
D. ATP

Answers

Answer 1

B. aquaporins molecules dramatically increases the rate of diffusion of water across cell membranes

Aquaporins efficiently speed up the total rate of water diffusion across the cell membrane due to the slow diffusion of water through the lipid bilayer.Which would quicken diffusion via a cell membrane?

To facilitate the flow of materials through the cell membrane, cell membranes are incredibly thin. Pressure and Temperature: As with any chemical reaction, raising the temperature or pressure makes the particles have more kinetic energy, which speeds up the diffusion process.Which of the following would speed up diffusion across a cell membrane?

The speed at which molecules move depends on temperature. Therefore, the rate of diffusion increases with increasing temperature. How does surface area impact diffusion rate? The rate of diffusion through the membrane increases with the membrane's surface area.

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Related Questions

____ is known as the coping of dna

Answers

Answer:

Replication

Explanation:

The copying of DNA is called DNA replication. The steps of DNA replication are the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.

Hope this helped!

Which step is part of the engineering design process but is not part of a
scientific investigation?

Answers

The step which is a part of the engineering design process but is not part of a scientific investigation is to imagine

What is scientific investigation?

Scientific investigation simply refers to those steps and procedures used to in unraveling the science behind a particular naturally observed phenomena.

So therefore, the step which is a part of the engineering design process but is not part of a scientific investigation is to imagine

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Plants have specialized structures that help ensure reproduction. Which statement is an example of these structures?
A. An oak tree has thick bark.
B. A banana plant has green leaves.
C. Dandelion seeds blow in the wind.
D. Carrots grow underneath the soil.

Answers

The statement that best exemplifies specialized structures in plants is C: "Dandelion seeds blow in the wind."

This statement refers to the specialized structure of dandelion seeds, which have a feathery structure called a pappus that aids in dispersal through wind. Plants have evolved various specialized structures to ensure their reproduction and dispersal. In the case of dandelion seeds, their feathery pappus allows them to catch the wind and be carried away from the parent plant to new locations where they can germinate and grow.

This adaptation increases the chances of their survival and colonization in different areas. Specialized structures in plants can also include adaptations like bright flowers and sweet nectar to attract pollinators, thorns or spines for defense against herbivores, and underground storage organs like tubers or bulbs for nutrient storage and propagation.

These structures play crucial roles in the reproductive success and survival of plants in their respective environments, allowing them to disperse their offspring, attract pollinators, defend against threats, and establish themselves in diverse habitats. Therefore, Option C is correct.

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15 Why is the stem of the bean plant growing upward?
A.
The stem is growing in response to the force of gravity.
B.
The stem is growing toward a source of light.
C. The stem is growing toward a source of oxygen.
D. The stem is growing away from a source of light.

16 How can Diagram 2 be identified?
A. male with Down syndrome
B. normal male
C. female with Down syndrome
D. normal female

Answers

b and i need more characters to submit

b. Electromagnetic Force
c. Weak Force
d. Gluon
e. Strong Force
1. The force that pulls or attracts any two objects in direct relation to their masses and inversely relate
the distance separating them.
2. The force that acts between charged particles.
3. The force that holds the nucleus together.
4. The force that causes radioactive decay.
5. The carrier particle involved in the Strong Force.

Answers

Answer:

I think the answer is #5. A strong force involves wind, ocean waves, inclement weather..

like hurricanes, tsunamis, and hurricanes...

Part E Create a graph to compare the actual temperature changes over time using your spreadsheet. The steps involved in creating your graph will be different depending on your software. For most platforms, it’s necessary for the two columns you’re correlating to be next to each other. Use the cut, copy, and paste features to relocate the anomaly values so that the actual temperatures are in column B next to the years in column A. Highlight columns A and B. From the menu, choose Insert and select the graph or chart type you decided on in part D. If needed, update the graph and axis labels so that it is easy to tell what the graph is displaying. Capture and save an image of your graph. Use the insert Image button to add the image to the answer space.

Answers

In most spreadsheet programmes, you may create a graph by selecting the two columns you want to display as a graph, choosing a type of graph, changing the labels, taking a fingerprinting, saving it, and then entering it into the answer field.

Does the link between pressure and temperature exist?

We discover that pressure and temperature are inversely proportional to each other when the temperature is on the kelvin scale (again, when volume and moles of gas are held constant).

What is the connection between temperature and pressure, and why?

Investigate the relationship between the temperature of a gas and the pressure it exerts on its container. This is also known as Amontons' Law of Pressure-Temperature or Gay-Law. Lussac's Whenever a gas's temperature rises.

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Conservation is using materials and resources wisely to protect the environment. Describe a way that you could practice conservation in the activity.

Answers

Conservation is using materials and resources wisely to protect the environment.

Conservation activities involve businesses, international organizations, and certain governments. The UN promotes the establishment of national parks all around the world. In order to increase awareness of and water conservation, the UN also created World Water Day.Governments pass legislation outlining the proper use of land as well as the locations that should be preserved as parks and wildlife refuges. Along with enforcing these rules, governments also require industries to build pollution-control equipment in order to safeguard the environment. Last but not least, governments frequently offer incentives for resource conservation, the employment of clean technology, and the recycling of obsolete items.There are several global organizations devoted to conservation. Members advocate for causes including preserving rain forests, defending endangered species, and purifying the air. The IUCN (International Union for the Conservation of Nature)

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Mitosis, the process by which the nucleus of a cell divides into two nuclei, is essential to life because it allows for the formation of new cells. Which of the following statements correctly describes the process of mitosis?

A. Mitosis provides the energy required for the formation of new cells.
B. Mitosis controls the cell functions to ensure the successful development of new cells.
C. Mitosis results in the formation of two cells that are genetically identical to the parent cell.
D. Mitosis forms cells that are genetically different from the parent cell, resulting in an increase in genetic diversity.

Answers

Answer:

Hello. C is the correct answer.

Explanation:

Before reaching M phase in cell cycle ،in S phase the DNA replicates. So we have two double strands DNA like each other so when the cell enters mitosis. Two cell will produced which are geneticly simmilar to parent cell.

Hope you understand.

The statement that correctly describes the process of mitosis is: Mitosis results in the formation of two cells that are genetically identical to the parent cell.

MITOSIS:

Mitosis is a kind of cell division in which a single cell (parent cell) separates into two daughter cells that are genetically identical to one another.

Mitosis is the division process by which cells grow and repair damaged tissues.

Mitosis is very important to living organisms as it ensures that new cells are formed.

Therefore, the statement that correctly describes the process of mitosis is: Mitosis results in the formation of two cells that are genetically identical to the parent cell.

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What is a tree that produces cones called?

Answers

Answer:

Gymnosperms

Explanation:

Plants w/ cones

SPEED
Some factories have started using large tanks of bacteria to remove carbon dioxide from the atmosphere. As more factories start to do this, the amount of carbon dioxide in the atmosphere could decrease over time. If this happens, and if energy coming from the sun and the amount of carbon dioxide being put into the atmosphere otherwise stay the same, what would happen to the total amount of energy in the Earth system and to global average temperature? If there is a change, explain how that change would happen.

Answers

Answer:The answer is A

Explanation:I hope u get a A+

Identify four unusual properties of water that are a direct result of hydrogen bonding, and explain each in
terms of hydrogen bonding

Answers

Answer:

It turns plain water into hydrogen peroxide, not sure about the bonding procedure.

Explanation:

Answer:

The four unusual properties of water that are in direct result of hydrogen bonding are:

1) high boiling point and freezing point. There hydrogen bond in water makes it very slow to boil and freeze.

2) has the highest surface tension among all the liquid.

3) high heat of vaporization. Has a heat of vaporization of 41 kJ/mol.

4) strong intermolecular forces makes water have low vapor pressure, low viscocity, and highly cohesive.

Bar magnets placed on table may not point along N-S direction . Why? Give reasons.

Answers

Answer:

lt is because the magnetic field of the magnet is equal in magnitude to the Earth's horizontal magnetic field but it is in opposite direction

Explanation:

Thus the net magnetic field at these two points is zero

What do ligands receptor transduction do in cell to cell communication why it’s important

Answers

Answer:

In reception, a signal molecule known as the ligand binds to a receptor protein, which causes the shape of the protein to change. In transduction, cascades of intracellular molecular interactions occurs, and relay signals from receptors to target molecules in the cell.

Explanation:

Cell-surface receptors, also known as transmembrane receptors, are cell surface, membrane-anchored (integral) proteins that bind to external ligand molecules. This type of receptor spans the plasma membrane and performs signal transduction, in which an extracellular signal is converted into an intercellular signal.

Definition: Extracellular signalling molecules are cues, such as growth factors, hormones, cytokines, extracellular matrix components and neurotransmitters, designed to transmit specific information to target cells.

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Undigested food or old cell particles can be eliminated from the cell by:Answer Choice:pinocytosisexocytosisphagocytosisendocytosis

Answers

Celular debris can be eliminated by exocytosis, this is a process in which the material to be discarded is wrapped in a vacuole. This vacuole is then sent to the cellular membrane with which it fuses releasing the content to the extracellular media

3. The diagrams below show substances at different concentrations, separated by a membrane. Out of each pair, say which one will have a faster diffusion rate, and explain why. ( 3 marks)

Answers

Answerit b

gsgshhshhshshs

aberrant oligodendroglial-vascular interactions disrupt the blood-brain barrier, triggering cns inflammation

Answers

True, aberrant oligodendroglial-vascular interactions disrupt the blood-brain barrier, triggering cns inflammation.

Disruption of the blood-brain barrier (BBB) is vital to initiation and perpetuation of disease in multiple sclerosis (MS). We document an interplay among oligodendroglia and vasculature in MS that distinguishes human white count number damage from regular rodent demyelinating damage. we discover perivascular clustering of oligodendrocyte precursor cells (OPCs) in certain lively MS lesions, representing an inability to properly detach from vessels following perivascular migration.

Perivascular OPCs can themselves disrupt the BBB, interfering with astrocyte endfeet and endothelial tight junction integrity, resulting in altered vascular permeability and an related CNS infection. Aberrant Wnt tone in OPCs mediates their dysfunctional vascular detachment and additionally ends in OPC secretion of Wif1, which interferes with Wnt ligand function on endothelial tight junction integrity.

Aberrant oligodendroglial-vascular interaction in MS indicates that aberrant OPC perivascular migration no longer most effective impairs their lesion recruitment but also can act as a ailment perpetuator thru disruption of the BBB.

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Plants containing only chlorophyll b are exposed to radiation with the following wavelengths: 10nm (X-rays), 450nm (blue light), 670nm (red light), and 800nm (infrared light). Which plants harness the most energy for photosynthesis?

Answers

The plant with blue light is absorbed by chlorophyll B and the plant gets a lot of photons for its photosynthesis. Because the blue lights, comes first in this peak of absorption.

Chlorophyll, is the primary pigment used in the process of photosynthesis, reflects green light and absorbs red and blue light most strongly. In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.

In plants the color of the pigment comes from the wavelengths of light that are reflected, or the one those are not absorbed. For Chlorophyll, the green pigment is most common as it absorbs all wavelengths of visible light except green, which it reflects.

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Cellular respiration is a chemical process that enables organisms to convert food into energy. True or false?

And I really need help plssss

Answers

True!

Hope this helps :)

Answer:

True

Explanation:

I really don't understand how to explain, but I hope this helps.

CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU !!!

Answers

Answer:

The answer should be can leak or spill during transport.

Explanation:

All other answers would be considered good reasons to use petroleum.

Two species of fish live in the same pond. they eat the same kinds of plants. they are eaten by the same water birds. which of the following would increase competition between these two species of fish? Explain why.
a. Average habitat temperate increases
b.population of water birds increases
c.number of food plants increases
d.water level in the pond decreases

Answers

The option that would increase competition between the two species of fish is (c) an increase in the number of food plants in the pond.

Competition between two species occurs when both species use the same resources, such as food, water, or habitat. In this case, the two species of fish eat the same kinds of plants and are eaten by the same water birds.

If the number of food plants in the pond were to increase, this would increase the number of resources available to the fish. As a result, the two species would have to compete for the same food resources, and the competition between them would become more intense.

The other options are not likely to increase competition between the two species of fish in this scenario. An increase in average habitat temperature (a) may affect the behavior and physiology of the fish, but it is unlikely to directly impact competition between them. An increase in the population of water birds (b) would likely increase predation pressure on the fish, but it would not directly affect their competition for resources. Finally, a decrease in the water level in the pond (d) may limit the available habitat for the fish, but it would not directly increase their competition for resources.

~~~Harsha~~~

evolutionary significance of bryophytes

Answers

The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.

Here are some key evolutionary significance of bryophytes:

Adaptation to land: Bryophytes are considered some of the earliest land plants.

They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.

They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.

Moisture retention: Bryophytes have adaptations that enable them to retain moisture.

They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.

This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.

Soil formation: Bryophytes, especially mosses, contribute to soil formation.

They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.

Their decomposed remains also contribute organic matter to the soil, enriching its fertility.

Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.

Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.

They contribute to the overall biodiversity and ecosystem functioning.

Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.

Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.

Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.

Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.

Monitoring bryophytes can provide insights into the health and integrity of ecosystems.

Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.

Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.

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Here are some key evolutionary significance of bryophytes:

Adaptation to land: Bryophytes are considered some of the earliest land plants.

They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.