what are osmosis..in 50 words ​

Answers

Answer 1
osmosis:

Osmosis is a passive process and happens without any expenditure of energy. It involves the movement of molecules from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane.

Any solvent can undergo the process of osmosis including gases and supercritical liquids.

Let us have a detailed look at the different types and effects of osmosis in detail.

Answer 2

Osmosis, the spontaneous passage or diffusion of water or other solvents through a semipermeable membrane (one that blocks the passage of dissolved substances—i.e., solutes). The process, important in biology, was first thoroughly studied in 1877 by a German plant physiologist, Wilhelm Pfeffer. Earlier workers had made less accurate studies of leaky membranes (e.g., animal bladders) and the passage through them in opposite directions of water and escaping substances. 


Related Questions

Important vocabulary continued: what is the difference between a unicellular organism and a multicellular organism?

Answers

unicellular has one singular cell, multicellular has more than one

Answer:

unicellular is a organism that is only one cell. most of the time they are your bacteria and viruses. while a multicellular organism is a organism with many cells. can be anything from something you cant to to plants and animals that you can see

Explanation:

The cohesion-tension theory proposes that the physical properties of water allow the rise of water through a plant. Sketch and describe cohesion and adhesion of water molecules. Don't do the sketch part only do just the description part.

Answers

Answer:

Cohesion: the attraction force between the same type of molecules.

Adhesion: the attraction force between different types of molecules.

Cell specialization is important during the growth and development of a multicellular organism. This process is most directly regulated by _____________.

Answers

Answer:

atp

Explanation:

how does the nitrogen cycle start from nitrites and end with nitrates? (full answer) ​

Answers

Explanation:

The nitrogen cycle seems to be the nitrogen form of recycling, that requires fixing of nitrogen, Teodoro mamoncillo, nitrogen removal, and deionization. The mechanism whereby the nitrogen and nitrites are subsequently converted to nitrogen fixation is denitrification. 

why does the cell get longer during anaphase

Answers

Answer:chromosomes are separated by a structure called the mitotic spindle and then pulled by the spindle to opposite poles of the cell

Explanation:

Is glucose more or less complex than the rest of the biomolecules? Explain.

Answers

Answer:

Less complex.

Explanation:

Glucose is both a monomer and simple sugar.

Glucose is a monosaccharide. It is a biomolecule. It is less complex than the rest of the biomolecules, such as proteins, lipids, and other complex carbohydrates like glycogen.

 

What is a biomolecule?

Biomolecules are present inside the cell. Carbohydrates, proteins, and lipids are some examples of biomolecules. Carbohydrates are divided into monosaccharides, disaccharides, and polysaccharides.

A monosaccharide has a single unit. Examples are glucose, fructose, etc. A disaccharide consists of two units. An example is maltose. Maltose is made up of two units of glucose connected by a glycosidic bond. An example of a polysaccharide is glycogen. Multiple sugar units are connected by glycosidic bonds to form glycogen. It is a storage product.

Carbohydrates are present on our cell surface as peptidoglycan. Protein is a biomolecule that is made up of amino acid monomers. They make the different structures of a cell, such as actin fibers, etc. Lipid is made up of hydrogen and carbon. Examples are cholesterol, phospholipids, etc.

Hence, in comparison to all other biomolecules, glucose is the simplest.

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Which mechanism of transport takes place without expending cellular energy?

Active
Hypotonic
Isotonic
Passive

Answers

Passive 123456799483762

Answer:

c

Explanation:

helppp hah im stuck with this

Answers

It won’t show the picture

Answer:

oh

Explanation:

Scientific laws attempt to explain nature...
true or false

Answers

The answer is true because scientific laws outline the rules of nature and therefore try to exile nature.
trueee...!!!!!!!!!!!!!!!

Describe how genes, chromosomes, proteins, mutations, and mutagens are related to each other. PLZ HELP ME!!!!!!!

Answers

Answer:

DNA

Explanation:

All these events occur with the golgi apparatus and endoplasmic reticulum. All these terms have to do with genetic coding and how that genetic coding sends directions to the organelles inside the cell.

a farmer sprays his crops once a week with pesticides to kill beetles. he noticed that the pesticide he used last year is not killing the beetles this year . the beetles have evolved which strategies would best way to stop the evolution of pesticide resistant beetles?

Answers

The best way to stop is to use different forms of pesticide (stronger ones and then weaker ones). Or even use different form is terms of liquid or pebbles etc etc. This is because the beetles would not get used to one thing over and over again (natural selection) and hence stops the evolution.

what’s the chemical reaction for the digestion of fats.

Answers

Answer: The chemical reaction for the digestion of fats is when A triester is produced through the chemical reaction of three fatty acid molecules with glycerol, a molecule that contains three hydroxyl groups. When fats are broken down these fatty acid chains and glycerol are free for the body to use.

Explanation:

Lipids (fats and oils)

Lipase enzymes break down fat into fatty acids and glycerol. Digestion of fat in the small intestine is helped by bile, made in the liver. Bile breaks the fat into small droplets that are easier for the lipase enzymes to work on. Bile is not an enzyme.

Amino acid is to protein as

nucleotide is to nucleic acid
fat is to lipid.
DNA is to RNA.
sugar is to fat​

Answers

Fat is to lipid that is the answer because amino acid is organic compounds that combine to form proteins!


Describe the movement of water if cells are in a hypertonic solution, hypotonic solution, and isotonic solution.
Why?

Answers

Water molecules move inside the cell in a hypotonic solution causing it to swell


Water molecules move outside the cell in a hypertonic solution causing it to shrink


Water molecules in an isotonic solution does not move inside or outside the cell and the cell’s volume will remain stable

In a chemical bond between two or more atoms, what creates the bond?
A. Proton pairs
B. Electron pairs
C. Diametric energy force
D. The nucleus

Answers

Answer:

I think C diameteic energy may be right ans\

Please help meeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

1.) The two gametes found in humans are the sperm and the ova.

2.) Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences (genotypic variation) or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation).

3.) Because the alleles that the mother and the father carry are mixed together in the offspring.

4.) Because it only introduces genetic variation into the population if a random mutation in the organism's DNA is passed on to the offspring.

Please this is all I can answer


What cellular structure begins to reform during telophase?

Answers

Answer:

nuclear membrane

Explanation:

Which is not a characteristic of a Prokaryote?
A) Simple
B) Has a nucleus
C) Replicates via cloning
D) Always single cell

Answers

Answer:A

Explanation:

If the color differences were less distinct (ex. all butterflies were only shades of reds and oranges), would you expect similar results? Explain what you would expect and why.

Answers

Answer:

If the color differences were less distinct (ex. all butterflies were only shades of reds and oranges), would you expect similar results? ... That the predator has the ability to associate the prey to the sickness, and that the predator can distinguish the color difference.

Explanation:

The predator has the ability to associate the prey to the sickness, and that the predator can distinguish the color difference.

What the Viceroy's color pattern evolved?

The Viceroy's color pattern has been evolved because the natural selection favoured them. The viceroy butterfly camouflage as the monarch butterfly as well as the exhibit Mullerian mimicry where as these two toxic species has the mimic each other for their benefit and by time natural selection has been favoured these.

Natural selection has been the process by which the reproductively fitest has the populations of the living organisms survive, adapt and change. The viceroy butterfly has the brush-footed butterfly having the dark orange colour with the black veins and row of the white spots on the border of its wings.

Monarch butterfly has the same as that of the viceroy except that it has the black horizontal stripes that has cross the bottom of its back wings. Species has refers to the group of the organisms which have the similar features and which are able to be interbreed to produce the viable and the fertile offspring.

Therefore, reproductive isolation prevents interbreeding between members of different species. It includes a collection of behavioral, evolutionary, and physiological processes.

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What is the probability of getting a short pea plant when crossing the parents Tt with tt?

Answers

Answer:

50%

Explanation:

One half of the punnet square would be Tt and the other half would be tt.

What type of muscle has a primary purpose of animal movement?

A) cardiac muscle
B) smooth muscle
C) tendons
D) skeletal muscle

Answers

Answer:

B. Smooth Muscle

Explanation:

Medusae are among the simplest animals that use muscles to make rhythmic movements. In at least some medusae, the circular muscles, which do most of the work of swimming, are striated. In contrast, most of the other muscles of cnidarians are smooth.

Answer:

D) skeletal muscle

Explanation:

skeletal muscle cells join together to form fascicles, and fascicles form the skeletal muscle.

A new drug is discovered for the treatment of thyroid cancer. Which is a logical next step of the scientific method after the discovery has been successfully tested?


keeping the information private

testing the drug on animals

sharing the data with other scientists

testing the drug on people

Answers

Answer:

The answer would probably be either c or d

Canals such as the one shown in the image are artificial waterways built to allow the
movement of large ships that cannot travel along shallower, natural waterways.
Which of these is an advantage that a system of canals might bring to a city?

Answers

Answer:

b

Explanation:

What is the source of the carbon dioxide that is used in photosynthesis?

A. sunlight
B. the soil
C. the atmosphere
D. the plant

Answers

Answer:

A

Explanation:

Sunlight provides the energy needed for photosynthesis to take place.

Which action is harmful to organisms living in water ecosystems

Answers

general pollution! as well as cultural eutrophication! could be harmful to water ecosystems and are in fact the most prominent reason. pollution could include excess fertilizer run off going into a creek. the nitrogen and phosphorus will create a perfect environment for algae and bacteria. thus leading to cultural eutrophication.

Why is cellular differentiation
important for the development of a fully formed human infant?

Answers

Answer:

Cellular differentiation is necessary for the development of a fully formed human infants because cellular differentiation leads to the formation of different tissues and organs which are required for the development of human infant. Without tissues and organs our body cannot function properly.

Answer:

Cellular differentiation is necessary for the development of a fully formed human infants because cellular differentiation leads to the formation of different tissues and organs which are required for the development of human infant.

:

PLEASE HELP
Which process does this picture show?*

Transcription
Translation
Replication
Transformation

Answers

transformation i think iono lol

list the types of infectious agents that may infect the human body

A. fungi, hookworms sore throats bugs
B. immune system diseases viruses fungi
C. infection sickness bacteria attackers
D. viruses bacteria, fungi, and parasites

Answers

Answer:

either a or d

Explanation:

ITS A my bad hope it works

which principle did you apply in step 2 in the Investigation

Answers

Answer:

Do not pre-judge

Investigation must be trained and experience will be applied in  step 2 in the Investigation.

What are the steps of  investigation ?

Scientific investigation is a continuous process of investigation which involve different steps to get the answer of a question by using scientific method.

The basic steps includes Investigators must be as independent, must be trained and experienced, all relevant issues must be identified, sufficiently resourced.

All relevant physical and digital evidence must be identified, collected , stored and examined during experiment, documentation must be secured and reviewed, witnesses must be identified.

The analysis of all the results must be gathered during the investigation must be objective oriented and based solely on the facts.

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DIRECTIONS: Indicate whether each statement is TRUE (T) or FALSE (F):
1. _____ Carbon dioxide (CO2) is a greenhouse gas
2. _____ Methane is a greenhouse gas
3. ______ As icebergs melt, they cool off the earth, slowing climate change
4. ______ Ocean pollution from trash and oil spills is making climate change worse
5. ______ Factories that burn coal to produce electricity emit (give off) CO2
6. ______ Our increased appetite for meat has increased climate change
7. ______ Climate change can happen naturally, without human activity
8. ______ Wind, solar, and hydroelectric power do not cause climate change
9. ______ Alternative forms of energy tend to be more expensive than burning fossil fuels

Please do not use an answer that doesn't make sense! I put 25 points because this is a long question

Answers

Answer:None PLEASE MAKE MORE SENSE MY GOSH

Explanation:NONE

Carbon dioxide (CO2) is a greenhouse gas. It is true

Methane is a greenhouse gas. It is true.

As icebergs melt, they cool off the earth, slowing climate change. It is true.

Ocean pollution from trash and oil spills is making climate change worse.It is true.

Factories that burn coal to produce electricity emit (give off) CO2. It is true.

Our increased appetite for meat has increased climate change. It is true.

Climate change can happen naturally, without human activity. It is false.

Wind, solar, and hydroelectric power do not cause climate change. It is false.

Alternative forms of energy tend to be more expensive than burning fossil fuels. It is true.

What is fossil fuel?

Fossil fuels has been result of the biological processes as heat and pressure from the Earth's crust that decomposed these organisms into one of the three main kinds of fuel and these are oil which is also called petroleum, natural gas, or coal.

The origin of the fossil fuels has the anaerobic decomposition of the buried lifeless organisms, that containing natural molecules is created through photosynthesis. The conversion from those materials to excessive-carbon fossil fuels commonly require a geological method of millions of years.

Biological methods are defined as the processes that are very crucial for an organism to live, as well as that shape its capacities for interacting with its surroundings. The organic processes has been made of many chemical reactions or the different events that use to concerned within the persistence as well as the transformation of lifestyles forms.

Therefore, Biological approaches either aerobic or the anaerobic which is based upon the environmental necessities of the microbial consortia.

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