PLEASE HELP ASAP!!!!What is the best description of osmosis? A. Random movement of oxygen molecules across a concentration gradient until the number of molecules is nearly equal B. Movement of motecules from areas of higher concentration to areas of lower concentration C. Movement of water from an area of lower solute concentration to an area of higher solute concentration D. Net movement of molecules across the nuclear membrane until the number of motecules on each side is nearly equal

Answers

Answer 1
The correct option is C.
Osmosis is defined as the movement of water molecules through semi permeable membrane from the region of lower solute concentration to the region of higher solute concentration. That means that, during the process of osmosis, water molecules move out of a substance that is low in salt and enter into another substance that has a higher concentration of salts. Movement of water out of a cell will cause the cell to shrink.
Answer 2
I think the answer is B. What was the answer tho?


Related Questions

A 7-year-old is diagnosed as having type 1 diabetes. one of the first symptoms usually noticed by parents when this illness develops is:

Answers

Loss of weight.. Hope this helps!

List four acceptable sites for applying an antianginal paste

Answers

Chest
Left chest right chest
Back
Shoulder

The antianginal paste can be applied on different sites on the body such as the chest, the back, the shoulders and the skin where the pain sensations can be felt. It is used to reduce the chest pain.

What are Antianginal paste?

Antianginal drugs are used to effectively relieve or prevent the acute ischemic pains by increasing the myocardial oxygen supply in the heart, and decreasing the myocardial oxygen demand, or by doing both of these actions.

Three drug classes which are typically used as Antianginal paste in the treatment and prevention of angina include organic nitrates, calcium channel blockers and beta-blockers.

Nitroglycerin ointment belongs to the class of organic nitrates prevents angina by relaxing the blood vessels of the heart so that the heart does not need to work much hard and needs lesser oxygen to work efficiently.

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What reaction is being catalyzed in this experiment? 2. what is the name of the enzyme in this experiment? what is the substrate?

Answers

The reaction that is been catalysed is the CATABOLISM [BREAKING DOWN] OF HYDROGHE PEROXIDE.
The name of the enzyme which catalysed the reaction is CATALASE.
The substrate is HYDROGEN PEROXIDE.
In an enzyme catalyzed reaction, a substrate refers to the chemical compound that is acted upon by the enzyme.

Catabolism is the reaction that is being catalyzed in this experiment. The enzyme in this experiment is catalase. while the substrate is 3% hydrogen peroxide.

Further details

Enzyme

They are made up of proteins and act as catalyst inside living cells. They speed up the rate of reaction without being used permanently and without any change in their structure. A reaction is a procedure that changes over at least one substance (known as reagents, reactants, or substrates) to another kind of substance (the item). Benefit of using an enzyme is that it can be used repeatedly in the same reaction.

Substrate

It is a molecule followed by an enzyme. A substrate is stacked into the dynamic site of the enzyme, or the spot that enables weak bonds between the two particles.

Catabolism

It is the set of metabolic pathways in which larger molecules are breakdown into smaller ones and energy releases during these reactions which can be used to perform various functions. For example, larger molecules like polysaccharides, lipids, nucleic acids, and proteins are break down into smaller units as monosaccharides, fatty acids, nucleotides, and amino acids.

Catalase

Catalase is a typical enzyme found in almost all living beings presented to oxygen, (for example, microbes, plants, and living animals). It catalyzes the decay of hydrogen peroxide to oxygen and water. It is a significant enzyme shielding the cell from oxidative harm by responsive oxygen species.

Answer details

Subject: Biology

Level: College

Keywords

Enzyme Substrate Catabolism Catalase

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Which haploid stage of plasmodium did you observe in the micrographs? where in the human host is this stage found?

Answers

The haploid stage of plasmodium I did observe by using the micrograps is what you called a stage of malaria. These red blood cells have been invaded by plasmodium merozoites, a stage of malaria. There are several stage of malaria, The first stage is the stage of infection and the second stage is the sexual reproduction that divide into two; the pre- erythrocytic and erythrocytic phase.

The subgroup that comes after genus is __________
A. Kingdom
B.order
C. Family
D.Species

Answers

Hello there!

The answer is D. Species

Hope this helps!
D. Species 

Species are the most specific you can get while classifying living things. Before genus comes families.

If the environment change suddenly for example because of global warming, do you think generalist or specialist species would be better able to adapt and avoid going extinct? Why?

Answers

generalist because specialist species have a very specific niche. they can only live in certain conditions and eat certain things but generalists have a broader range of living conditions and food sources. ex: specialist = giant panda generalist = humans. generalists can just switch to another environment or food source and that kind of thing
Final answer:

Generalist species would be better able to adapt and avoid extinction compared to specialist species in the case of sudden environmental changes like global warming.

Explanation:

In the case of sudden environmental changes like global warming, generalist species would be better able to adapt and avoid extinction compared to specialist species. Generalist species are able to tolerate a wide range of environmental conditions and utilize different resources, which provides them with greater flexibility in changing environments. Specialist species, on the other hand, are highly adapted to specific ecological niches and rely on specific resources, making them more vulnerable to changes in their environment.

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How many phosphoester (phosphate ester) and phosphoanhydride bonds are in adenosine monophosphate (amp) and adenosine diphosphate (adp)?

Answers

The bond between CH2 and P of phosphate through O is called phosphoester bond. Only one such bond is present in both AMP and ADP.Link of phosphate groups through O by elimination of water molecule is called phosphoanhydride bond.In AMP, only single phosphate group present so no phosphoanhydride bond is present. But inADP, two phosphate groups are linked by one phospoanhydride bond.AMP  1  0ADP   1  1

Answer: The correct answer is -

The number of phosphoester bond in-

AMP (adenosine monophosphate) = 1

ADP ( adenosine diphosphate) = 1

The number of phosphoanhydride  bonds in -

AMP = 0

ADP = 1

Phosphoester bond is formed when the alpha phosphate (that is the first phosphate) present in ADP and AMP links to the 5' carbon of ribose sugar through oxygen.

On the other hand, Phosphoanhydride bond is formed between two phosphate. As ADP has two phosphate, thus it contains one phosphoanhydride bond and the first phosphate is linked to ribose via one phosphoester bond.

AMP has single phosphate, so no phosphoanhydride bond is there, only one phosphoester bond is present in it.

Donald has been diagnosed with hyperlipidemia. on the basis of his lipid profile, atorvastatin is prescribed. rhabdomyolysis is a rare but serious adverse response to this drug. donald should be told to:

Answers

A. Become a vegetarian since this disorder is associated with eating red meat
B. Stop taking the drug if abdominal cramps and diarrhea develop
C. Report muscle weakness or tenderness and dark urine to his provider immediately
D. Expect "hot flash" sensations during the first two weeks of therapy

Which of these choices is considered an environmental cost? A. Product price B. Net profit C. Processing expenses D. Water contamination

Answers

Answer: D. Water contamination

The water contamination can be considered as the relevant environmental cost as water is the main abiotic factor utilized by all the living organisms for their growth and metabolism, a water body can be used by a number of aquatic living organisms as a habitat, and water cycle is important for the maintaining the balance in the weather conditions and keeping the regulation of quantity of water in all natural water reservoirs.

Water contamination will deteriorate the quality of water it will make water unfit for the consumption of the living organisms, unsuitable as a habitat and will also disturb the water cycle.

Answer:

Water Contamination

               &

  Resource depletion

Explanation:

what are the properties of minerals

Answers

There are approximately 4000 different minerals, and each of those minerals has a unique set of physical properties. These include: color, streak, hardness, luster, diaphaneity, specific gravity, cleavage, fracture, magnetism, solubility, and many more. These physical properties are useful for identifying minerals

A child has sickle-cell disease ( ss ) but neither parent is ill. What must be true of her parents’ genotypes?

Answers

The parents must both have the recessive gene to have had the child with the disease.

Hopefully this helps! :)

Answer:

Her parents are heterozygous carrier for the disease and have genotype "Ss"

Explanation:

Sickle cell disease is a recessive disorder and is expressed in homozygous recessive genotype only.

Since the child is affected with sickle cell anemia, her genotype is "ss".

To get "ss" genotype, both her parents should have at least one copy of "s" allele. Since both the parents are not affected by the disease, they are heterozygous for the allele. Both the parents have genotype "Ss" and are serving as carriers for the disease.  



WILL GIVE A BRAINLEST


The common characteristic of all deserts is _____.



low annual rainfall



hot temperatures



simple ecosystems



mineral-poor soil

Answers

the answer to your question would be low annual rainful

it cant be hot, because some deserts are cold

and they arent always simple

and they dont all have bad soil

so, the best answer would be A

Answer: low annual rainfall

Explanation:

Deserts are the arid regions which receives very low annual rainfall as compared to other biomes of the world. The region exhibit higher potential evaporation rate over the rate of precipitation. The deserts are divided into three types depending upon their locations. Subtropical deserts these exhibit hottest climatic conditions and rapid evaporation. Cold winter deserts, the average temperature is cool. Polar deserts form in the polar regions as all the moisture in these areas is locked up by the freezing ice.

The ecosystem of the deserts may vary from simple to complex depending upon the diversity of the living organism, climate conditions and water. The soil of some of the desert is fertile and rich in minerals not every desert exhibit nutrient poor soil.

On the basis of the above explanation, low annual rainfall is the common characteristic of all the deserts.

Which is not a communicable disease? select one:
a. hiv/aids
b. tuberculosis
c. influenza
d. cancer?

Answers

The answer is:  [D]:  "cancer" .
_____________________________________________________
First of all, a communicable disease is a disease which can be passed from one person to another. The answer is D which is cancer. Cancer cannot be transmitted from an infected person to another person. Hope that helped. Have a nice day

The phoshorous cycle differs from the carbon cycle in that: none of the above the atmosphere does not contribute to part of the phosphorus cycle plants play a role in the carbon cycle, but have no role in the phosphorus cycle there is little or no human impact on the phosphorus cycle phosphorus is not a critical component of living organisms

Answers

Uh i dont know this one this is difficult.
Final answer:

The phosphorus cycle differs from the carbon cycle as it does not involve the atmosphere, instead it is often the limiting nutrient in ecosystems and cycles through geologic processes. Human activities affect the phosphorus cycle through the use of fertilizers, and phosphorus is critical for organisms, being part of nucleic acids and bones.

Explanation:

The phosphorus cycle differs from the carbon cycle notably in that the atmosphere does not contribute significantly to the phosphorus cycle. While carbon cycles quickly between organisms and the environment through processes such as cellular respiration and photosynthesis, phosphorus is often the limiting nutrient in ecosystems and does not have a gaseous form that is readily available to organisms. Instead, phosphorus typically cycles through geologic processes like weathering and erosion, water drainage, and the movement of continental plates. In aquatic systems, particularly freshwater ecosystems, phosphorus is a critical component for growth. Plants do indeed play a role in the phosphorus cycle, aiding in the uptake of phosphorus from the soil with the help of mycorrhizal fungi.

It is not true that there is little or no human impact on the phosphorus cycle; excessive use of phosphorus in fertilizers can lead to nutrient overload and eutrophication in water bodies. Lastly, phosphorus is absolutely a critical component of living organisms, comprising nucleic acids, phospholipids, and as calcium phosphate, it is a major element in bones.

In pea plants tall is dominant and short is recessive. a heterozygous tall plant is crossed with a short plant. what is the expected genotype ratio?

Answers

If you were to come up with letters to represent those traits, (I used for tall and for short. Heterozygous mean that you'd have Tt, and short would have to be tt, since if you used a dominant allele, it would result in a tall trait. So Tt x tt on a punnet square would give you two of each, meaning the genotypic ratio is 2:2
Parents: Tt × tt
Possible genotypes: Tt, Tt, tt, tt.
So that's 2:2 since the plants have a 50% chance of being tall or short. 

A type of organic farming that focuses on creating a sustainable environment is called agriculture.

Answers

False.  Agriculture is about breading things such as animals and plants for food to have a sustainable life

Answer:

sustainable

Explanation:

Odessy Ware

Lactic acid fermentation occurs in (2 points)

any environment where oxygen is present
yeast cells
the mitochondria of plant cells
muscle cells

Answers

The most correct choice is (d). Muscle cells, after they have performed heavy work, start to break down six-carbon sugars into energy and lactic acid. In areas where oxygen is present, fermentation will likely not occur, and cellular respiration will take place in its stead.

Answer:muscle cells

Explanation: when you're lifting weights your body produces lactic acids

What organism is most affected by the accumulation of waste?

Answers

what are your options

Why did the reaction rate for enzyme j drop when the temperature exceeded 50 c?

Answers

The reaction rate dropped because THE OPTIMUM TEMPERATURE OF THE ENZYME HAS BEEN EXCEEDED.
Each enzyme has the specific temperature and other conditions at which they act best, this is called their optimum condition. When the condition in a reacting system is below or above the optimum conditions of an enzyme, the activity of the enzyme will be reduced.

Vitamins must be _____ before they can function as coenzymes. many vitamin activators are _____

Answers

Vitamins must be activated before they can function as coenzymes. Many vitamin activators are minerals.

Quality grades indicate how tender and flavorful a cut of meat will be.

Answers

This answer would be considered True.

A patient exhibits symptoms including hematuria with red blood cell casts and proteinuria exceeding 3 to 5 g/day, with albumin as the major protein. these data suggest the presence of which disorder?

Answers

The answer is Glomerulonephritis, the patient would show data that suggest they have the presence of that disorder.

Which kinds of synovial joints can move in two (and only two) planes of the body?

Answers

The kind of synovial joints that can move in two plane of the body is BIAXIAL.
A synovial joint is a joint which joins bones with fibrous joint capsule which is continuous with the periosteum of the joined bones. Synovial joints are usually fill with synovial fluid. A synovial joint can be uniaxial, biaxial or mulitaxial depend on the number of planes through which it can be rotated.

Final answer:

Condyloid and saddle joints are synovial joints that can move in two planes of the body, allowing movements in flexion-extension and abduction-adduction.

Explanation:

The synovial joints that can move in two planes of the body are the condyloid and saddle joints. Condyloid joints allow for movement in two planes: flexion and extension, and abduction and adduction, as seen in the radiocarpal joint of the wrist. Similarly, saddle joints also offer biaxial movement and can be exemplified by the joint between the trapezium carpal bone and the first metacarpal bone at the base of the thumb. These joints can perform movements like the sequential combination of flexion, extension, abduction, and adduction, which together produce circumduction.

Evaluate and discuss the importance of maintaining biodiversity for future medical needs

Answers

Maintaining biodiversity is very important since most natural areas, like the rainforest, are places to get medicines. If not maintained, a lot of people will not be provided with the proper treatment and will suffer from various diseases. In the present, science and medicine has discovered a fraction of some species for medicine and in the future, there might be more possibilities for discoveries to occur and lead a revolutionary change in the filed of medicine. 

Someone who has vision in only one eye can no longer use _____ as a cue for the perception of depth and distance.

Answers

Binocular cues--particularly retinal disparity and binocular convergence

Binocular cues are information (depth/distance) taken in by both eyes. The two main types of binocular cues are retinal disparity and binocular convergence. 

Retinal disparity arises from the fact that our left and our right eyes, being a few centimeters apart, view images at slightly different angles. The two different images are merged into one and this allows us to perceive depth in the things we see around us. 

Binocular convergence is the simultaneous inward movement of both eyes in order to maintain a single binocular vision. The closer the object is, the more inward rotation is required for the eyes. The degree of rotation of the eyes helps the brain to interpret the distance of the perceived objects. 

Describe in which ways are the new cells (daughter cells) similar to parent cells

Answers

Answer: Through Mitosis.

Explanation:

Mitosis is a type of cell division in which a single parent divide or replicate to produce two daughter cells that are identical to the parent.

In mitosis, the daughter cells contain the same number and type of chromosomes as the parent.

The parent transmit the same number of chromosomes or type to the daughter cells which make them to be similar.

What characteristic of beans enable you to use them as models for atoms of different elements?

Answers

Just as is the case of the isotopes of an element, the individual masses of beans of the same type are very similar but not identical. Also, similar to atoms of different elements, the average masses of different types of beans are different. These characteristics enable us to use them as models for atoms.

What is the primary evidence that dinosaurs existed in the past?

Answers

Evidence would the fossils they left in the grounds they found.

Answer:

your answer is Bones

Explanation:

the answer is bones beacause scientists found bones under ground and they have dug up the bones and shaped them into animals we call DINOSUARS!!!! Thats how we know dinosuars existed.

. In 4-6 sentences describe why you think a business would synthesize and sell DNA, who would their customers be, and a list of possible uses for the DNA they are creating and selling

Answers

A business would synthesize DNA in order to avoid some diseases, study the protein interactions associated with conditions such as type 2 diabetes, heart conditions, vision, these conditions could be avoided through the process of synthesizing DNA, which, in a not too distance future, could give life to a human being created in a laboratory,  the possible clients would be people with chronic diseases, people who can´t have children and want to share their DNA through a process of incemination, and also could be used for the procreation of people to taste of the buyer. 

A business synthesizes and sells DNA to support research institutions, pharmaceutical companies, and agricultural firms. Uses include genetic research, personalized medicine, and development of GMOs.

A business would synthesize and sell DNA to meet the increasing demand in various biotechnological applications. Their customers might include research institutions, pharmaceutical companies, and agricultural firms. Possible uses for synthesized DNA include research in genetic diseases, personalized medicine, development of genetically modified organisms (GMOs), and the creation of DNA-based data storage solutions. Synthesizing DNA is crucial for advancing our understanding of genetics and for the innovation of new treatments and technologies.

Overfishing led to a near extinction of cod in the late 20th century. Which action allowed some cod populations to rebound?
A. Removing restrictions on cod fishing
B. Regulating the volume of cod fishing
C. Introducing a nonnative species of cod
D. Banning the sale of cod

Answers

I believe it would be B.Regulating the volume of cod fishing since it would allow the people seasons to fish and allow the fish yo gain in population. hope im right, if not just report me and ill gladly give in to 3 years of prison and torture :/

The correct answer is - B. Regulating the volume of cod fishing.

The cod was a fish that was very common on the menu in numerous countries. The big demand for it, led to an ever growing increase in the fishing of it. Because there were more and more cods fished, they were not able to sustain the pressure, did not had enough time to reproduce in order to maintain the numbers, so their numbers were going constantly down, to a point where it almost went extinct.

Realizing the danger, the governments implemented measures that were regulating the fishing of the cod, in order for the species to be able to recuperate and not go extinct. The strict measures were very effective, and the population of the cod started to recuperate, and be on a sustainable level.

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