Water moves out of a cell if the cell is placed in what solution

Answers

Answer 1

Answer: Water moves into and out of cells by osmosis. If a cell is in a hypertonic solution, the solution has a lower water concentration than the cell cytosol, and water moves out of the cell until both solutions are isotonic.

Answer 2

Answer:

Hypertonic solution

Explanation:

A hypertonic solution is a solution with a low concentration of water. Water will move out of a cell, area of a higher concentration, to an area of lower concentration, the solution. This process is called osmosis.


Related Questions

The concept of emergent property definition

Answers

Answer:

definition

Explanation:

An emergent property is a property which a collection or complex system has, but which the individual members do not have.  In biology, for example, heart is made of heart cells, heart cells on their own don't have the property of pumping blood.

procedure in which layers of growth are removed and examined microscopically: a.scratch test b.punch biopsy c.cryosurgery d.mohs surgery e.fungal test

Answers

Mohs surgery is the procedure in which layers of growth are removed and examined microscopically.

A method for treating specific kinds of skin cancer, penile cancer, and skin soft tissue sarcoma. One layer of tissue at the location of a visible malignancy is removed at a time during Mohs surgery, and it is examined under a microscope to see whether cancer is present.

Recovery after Mohs surgery usually takes two weeks after the treatment, during which time patients must rest and refrain from strenuous activities. Many come back to work the next day. Most people don't need painkillers, however they could feel sensitive in the afflicted region.

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How does a neuron go from a negative to
positive charge?


A. The spinal cord expands outward, and floods the cell with positive
copper ions.

B. A negatively charged stimulus activates the action potential,
opening sodium channels.

C. The fight or flight instinct is activated and floods the cell with
positive barium ions.

D. The nucleus bonds chemically with another nucleus leaving only
positively charged ions behind.

Answers

Answer:

The answer is B, by opening sodium channels.

Which of the following types of organelle is most important in providing a cell with energy?
A.
mitochondria
B.
nuclei
C.
cell membranes

Answers

Answer: A-: Mitochondria

Explanation: It is also known as powerhouse of the cell. It produces ATP (Adenosine triphosphate). Mitochondria is having double layer of cell membrane enclosing the cytoplasm.

Conduction is the transfer of heat between substances with different temperatures. Heat moves from the warmer to the cooler substance through direct contact.

Answers

Answer:

True.

Explanation:

Conduction is a heat transfer method. The heat passes by direct contact between two objects. The heat will go from the object with the higher temperature to the one with the lowest one. We call this temperature gradient. If we analyze the molecular aspect of conduction, we can see that the molecules with higher temperatures have more energy so, they move more. These molecules will collide with the molecules of the other object transferring their energy. As a result, heat passes from the hottest object to the cooler one till the two substances are at the same temperature, there is thermal equilibrium.

Answer: b. Hot spring

Explanation:

Conduction is the transfer of heat between substances with different temperatures. Heat moves from the

name the following building block of DNA​

Answers

The sender is.....Nucleotides. DNA is made of chemical building blocks called nucleotides.

Which of these is NOT a way to express probability?

Answers

The following which is not a way to express probability is 25 which is therefore denoted as option D.

What is Probability?

This is referred to as the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true.

It can be expressed in different forms such as fractions, decimals etc but not as a whole number such as 25 as it doesn't denote the number of ways the event which can occur and the number of possible events that could occur therefore making it the correct choice.

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The full question is:

Which of these is NOT a way to express probability?

A. 1 in 4

B. 50 percent

C. 3/4

D. 25

What is the characteristic of life of a giraffe eating leaves iff of a tree

Answers

Answer:

The Giraffe Personality

Explanation:

Giraffes are graceful, well-groomed individuals moving through life with the confidence and elegance that only big game animals exhibit.

Severe flooding in an area caused a population of minnows to become split into two separate ponds. Prior to the separation, the
male minnows all had a moderate number of spots
Following the separation, the first pond was filled with larger fish that fed on minnows, so male minnows with fewer spots were
better able to avoid detection by predators. The minnows in the second pond, however, had very few predators, and female
minnows in this pond preferred to mate with males that had the most spots,
After many generations, the two minnow populations evolved into different species and could no longer interbreed.
Fish Species Average # of Spots
Original Species four to six
New Species 1 zero to two
New Species 2 eight to ten
Which of the following best describes why the two minnow populations evolved into separate species?

Answers

Answer:

Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species.

Which action reflects promotion of genomic care as part of comprehensive health care? Select one: a. Instructing patients who undergo genetic testing about their obligation to inform family members regarding test results b. Ensuring that genomic issues potentially influencing a person's health are incorporated into routine care c. Calculating the odds ratios and recurrence risks of common complex health problems for all people d. Encouraging all people to undergo genetic testing as part of a proactive health screening prevention program

Answers

The action that reflects the promotion of genomic care as part of comprehensive health care is "ensuring that genomic issues potentially influencing a person's health are incorporated into routine care. "Explanation: Genomic care is part of comprehensive health care that has the potential to improve health outcomes.

Genomic care focuses on the way a person's genes and environmental factors interact to influence their health, including the risk of disease. It is vital to incorporate genomic issues potentially influencing a person's health into routine care. By doing so, the health care provider can identify the genetic variants that increase an individual's susceptibility to disease and tailor the person's health care accordingly.

Healthcare providers should also develop a treatment plan based on the patient's specific genetic profile and recommend preventive measures to reduce the risk of developing certain conditions. Therefore, ensuring that genomic issues potentially influencing a person's health are incorporated into routine care reflects the promotion of genomic care as part of comprehensive health care.

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Students who use memorization strategies such as chunking and clustering can remember much more than those who do not.What is the Independent Variable and why?What is the dependent Variable and why?

Answers

Dependent variable is a variable that changes because of the manipulation of the independent variable. The dependent variable in the scenario is the memorization capacity of the students since it is being manipulated by the strategies such as chunking and clustering to produce an outcome.

Independent variable is a variable that does not depend on another variable. It can stand alone and it does not change. The independent variable in the scenario is the memorization strategies such as chunking and clustering. Application of such strategies does not affect the status of the strategies.

Which geological feature dictates whether water that falls on North America arrives in the Pacific Ocean or the Atlantic Ocean?
A Great Plains
B Grand Canyon
C Mississippi River
D Rocky Mountains

Answers

The geological feature that dictates whether water that falls on North America arrives in the Pacific Ocean or the Atlantic Ocean is the Rocky Mountains.

What are geological feature?

Geological features are physical features of the Earth's surface or subsurface that are formed by geological processes over millions of years.

Geological features can be the result of a wide range of geological processes, such as;

volcanic activity;erosiontectonic plate movementssedimentation.

The Rocky Mountains form a major continental divide that separates the watersheds that flow into the Pacific Ocean from those that flow into the Atlantic Ocean.

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Why does the DNA need to be extracted from a cell before it can be analyzed?

Answers

Answer:

To study the genetic causes of disease and for the development of diagnostics and drugs. And detecting bacteria and viruses in the environment and for determining paternity.

what are the chances of a father passing a y-linked disorder to his son?

a) 25%
b)50%
c)75%
d)100%

plz just answer seriously

Answers

Answer:

a: 25%

Explanation:

What is a hydrolysis reaction and an example of it?

Answers

Dissolving a salt of a weak acid or base in water

_______________________________________

Explanation:

Dissolving a salt of a weak acid or base in water is an example of a hydrolysis reaction. Strong acids may also be hydrolyzed. For example, dissolving sulfuric acid in water yields hydronium and bisulfate.

Deaths associated with earthquakes in sloping areas results from what other natural disaster?

Answers

Answer:

landslides i belive

Explanation:

just a guess ig

An especially effective strategy for reducing intraspecific competition is
A. different ecological niches for juveniles and adults.
B. rapid reproduction.
C. eating prey before they are "ready" (ripe) for other species.
D. resource partitioning.
E. None of these since the examples given are for reducing interspecific

Answers

D

It’s an effective strategy for reducing intra specific competition

An especially effective strategy for reducing intraspecific competition is e) none of the options given since the examples are related to reducing interspecific competition.

The strategies listed in the question are mostly associated with reducing interspecific competition rather than intraspecific competition.

Intraspecific competition refers to competition between individuals of the same species, whereas interspecific competition refers to competition between individuals of different species. A strategy that can be effective in reducing intraspecific competition is territoriality.

Territorial animals defend a specific area, such as a nesting site or feeding ground, from other members of their own species. This helps to reduce competition for limited resources within the territory.

Therefore, the correct answer to the question is option E.

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What is general and specific fitness?

Answers

General fitness training works towards broad goals of overall health and well-being, rather than narrow goals of sport competition, larger muscles or concerns over appearance as seen in specific fitness.

Explain how chromosomes structure and function in the production on sex cells allows for variation.

Answers

Chromosomes structure and function in the production on sex cells allows for variation in the sense that there will be recombination as well as assortment in meiosis occur, whereby  1 gamete from each parentcome together.

How is genetic variation produced in sex cells?s

It sahould be noted that whem there is fertilisation, 1 gamete from each parent  will come together so they can become zygote.

Therefore, due to the recombination  as well as the independent assortment in meiosis, each gamete posses set of DNA and this will result to unique combination of genes and as a result of this zygote is formed.

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The idea that the earth contains a wide variety of life forms, and that humans have developed as a result of the interaction of heredity and environment, was proposed by

Answers

The idea that the earth contains a wide variety of life forms, and that humans have developed as a result of the interaction of heredity and environment, was proposed by Charles Darwin.

Natural selection is the process hypothesized by Darwin for evolution. Because limited resources exist in nature, animals with heritable features that benefit survival and reproduction leave more offspring than their counterparts, leading the traits to become more common over generations.

Natural selection enables populations to become increasingly acclimated, or well-suited, to their environments through time. Natural selection is influenced by the environment and needs heritable variation in a population.

Environmental and predation forces, for example, can have varying effects on how animals exposed to them develop. displays the three forms of evolution: divergent, convergent, and parallel.

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2. what is unusual about the pattern of cleavage in the fruit fly egg compared to that of eggs from organisms such as sea urchin or frog?

Answers

The unusual about the pattern of cleavage in the fruit fly egg compared to that of eggs from organisms such as sea urchin or frog is  as; Fruit fly eggs have meroblastic superficial cleavage, while sea urchin and frog eggs have holoblastic radial.

A meroblastic superficial cleavage can be seen in the egg of a fruit fly (Drosophila), whereas a holoblastic radial cleavage can be seen in the egg of a sea urchin or a frog.

Cleavage is the period of time that follows fertilization and marks the beginning of the transformation of a single-cell embryo into a multicellular organism. It is made up of a series of mitotic divisions, which split the vast volume of an egg that has been fertilized into a huge number of smaller cells that have nuclei. These cells are called blastomeres. Cleavage divisions can look rather different depending on the species.

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The biological species concept is inadequate for grouping. A) plants. B) parasites. C) asexual organisms. D) animals that migrate. E) sympatric populations.

Answers

The biological species concept is considered to be inadequate for grouping in certain cases, such as:  plants, parasites, asexual organisms., animals that migrate and sympatric populations.

Options A, B , C , D and E are all correct

What are biological species?

A biological species is described as a group of organisms that can reproduce with one another in nature and produce fertile offspring.

The biological species concept is inadequate for grouping in plants because the concept does not fully account for the diversity of reproduction mechanisms in plants which includes asexual reproduction and hybridization.

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Short hair (S) is dominant to long hair (s) in cats. What would be the genotype(s) of a cat with long hair

A SS or Ss
B ss
C Ss
D SS

Answers

Answer:

A,C,D

Explanation:

Pretty much just A

In the example in the animation, uracil is incorrectly paired with guanine. What is the effect on the dna sequence if base excision repair does not remove the uracil and dna replication is allowed to proceed?

Answers

Mutation will occur  in the DNA sequence if base excision repair does not remove the uracil and DNA replication is allowed to proceed.

What occurs when DNA damage is not repaired prior to replication?

DNA's stability and integrity are crucial to life since it houses each live cell's genetic information. However, DNA is not inert; rather, it is a chemical structure that can be harmed by the environment. If the damage is not repaired, it can result in mutation and even disease.

What occurs if nucleotide excision repair is unsuccessful?

Base excision repair (BER) is in charge of repairing broken DNA bases, including those left over after oxidative damage, deamination, and SSBs. Point mutations may occur as a result of these lesions not being repaired.

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the function of which of the following systems is to carry blood to all regions of the body to provide oxygen and nutrients and remove carbon dioxide and waste products?

Answers

The Circulatory System.

What is circulatory system?

Circulatory system is a group of organs responsible for the pumping , circulation and conduction of blood to each and every cells of the body. Circulatory system is extremely essential for our bodies as blood is the medium through which oxygen availability is made to the cellular framework . Also the circulatory system is responsible for removal of waste products and other metabolites away from the cells.

Components of Circulatory system -

The circulatory system consist of a pump- the Heart which by its forceful contraction pumps the blood to different organs. From the heart blood is carried away by Arteries. Arteries inside the organs divide into arterioles and Capillaries. From the organs the blood is taken up by the Viens towards the heart.  The blood is then pumped towards the lungs where oxygenation of the blood takes place. The oxygenated blood again comes back to the heart where it repeats the cycle.

Thus Circulatory System carry blood to all the regions of the body.

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Which statements describe proteins?

Answers

Proteins are created from the code in DNA.

DNA and RNA are proteins.

Proteins affect the structures and functions of living things.

Answer:

Proteins are made up of amino acids

Explanation:

How is RNA used in protein synthesis?

Answers

RNA (ribonucleic acid) is a crucial molecule in protein synthesis, which is the process by which the genetic information in DNA is used to produce proteins.

There are three main types of RNA involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA).

The process of protein synthesis begins with transcription, where a segment of DNA is copied into a strand of mRNA. This mRNA molecule then moves from the nucleus to the cytoplasm of the cell, where it binds to a ribosome.

At the ribosome, the mRNA molecule is read in groups of three nucleotides, called codons. Each codon corresponds to a specific amino acid, the building blocks of proteins. The ribosome then calls on tRNA molecules, which are specific to each codon, to bring in the appropriate amino acid.

Each tRNA molecule has an anticodon that matches the codon on the mRNA molecule and carries the corresponding amino acid. As the ribosome reads each codon on the mRNA, it matches it to the correct tRNA molecule, which adds its amino acid to the growing protein chain.

The ribosome continues to read the mRNA molecule, adding amino acids in the correct order until it reaches a stop codon, which signals the end of protein synthesis. The newly synthesized protein is then released and can go on to perform its specific function in the cell.

Overall, RNA plays a critical role in protein synthesis by carrying the genetic information from DNA to the ribosome and coordinating the assembly of amino acids into a functional protein.

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What would be done with the atoms that have been isolated through digestion (step 5)?

Answers

In step 5 of digestion, the atoms that have been isolated are typically used for various biological processes in the body.

These atoms are essential for building new molecules and maintaining overall health. For example, the carbon atoms can be used to synthesize glucose, the primary source of energy in the body. Hydrogen and oxygen atoms may combine to form water molecules, which are vital for hydration and various metabolic reactions. Nitrogen atoms can be utilized to build proteins, which are involved in various cellular functions. Additionally, other atoms like phosphorus, sulfur, and trace elements may be incorporated into specific molecules or utilized in enzyme reactions. Overall, the atoms obtained through digestion play crucial roles in sustaining the body's biochemical processes.

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Which one of the equation pairs illustrates a favorable energetic coupling in a cell? (i. E. One reaction releases sufficient energy to drive the other to completion). Select ALL that apply. Equation 1: ATP + H2O → ADP + Pi ΔG1 = –7 kcal/mol Equation 2: phosphoenolpyruvate + H2O → pyruvate + Pi ΔG2 = –14. 8 kcal/mol Equation 3: glucose + Pi → glucose-6-phosphate + H2O ΔG3 = +3. 3 kcal/mol Equation 4: ADP + Pi → ATP + H2O ΔG3 = +7 kcal/mol

Answers

The equation pairs which illustrates a favorable energetic coupling in a cell are equation 1 & 3 and equation 2 & 3.

A positive ∆G means that the reaction is non spontaneous and will require energy from outside. Negative ∆G means that the reaction is spontaneous and will occur on its own.

Coupling of reactions-

equation 1 and 2-

∆G1=-7kcal/mol, ∆G2=-14.8kcal/mol

∆G total= -21.8kcal/mol( favourable reaction)

Equation 2&3-

∆G2=-14.8kcal/mol, ∆G3=+3.3kcal/mol

∆G total=-11.5kcal/mol(favourable)

Equation 3 and 4-

∆G3=+3.3kcal/mol, ∆G4= +7kcal/mol

∆G total=+10.3kcal/mol(unfavorable)

Equation 1 and 4-

∆G1=-7kcal/mol, ∆G4=+7kcal/mol

∆G total= 0(reaction will be in equilibrium)

Equation 1 and 3-

∆G total=(-7+3.3)kcal/mol

=-4.3 kcal/mol(favorable)

Correct options-

Equation 1&2, equation 2 and 3, equation 1 and 3.

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in the absence of0 20 as in question i, what do you think would happen if you decreased the ph ofthe intermembrane space ofthe mitochondrion? explain your answer.

Answers

The intermembrane space of the mitochondrion is the space between the inner and outer membranes of the organelle

This space has a pH that is normally around 7.5. If the pH of the intermembrane space is decreased, for example by adding an acidic substance or inhibiting the proton pump that maintains the proton gradient across the inner membrane, it would likely have negative effects on the mitochondrial function and overall cell metabolism.

The proton gradient across the inner mitochondrial membrane is critical for oxidative phosphorylation, which is the process by which ATP is generated in the mitochondrion. The pH gradient drives the rotation of the ATP synthase enzyme, which generates ATP from ADP and inorganic phosphate. A decrease in the pH of the intermembrane space would therefore decrease the strength of the proton gradient, leading to a reduced production of ATP.

In addition to the effects on ATP production, a decrease in the pH of the intermembrane space may also have negative effects on other mitochondrial processes, such as the import and processing of proteins and lipids, as well as the regulation of cellular redox status. Ultimately, a decrease in the pH of the intermembrane space could lead to cellular dysfunction, and in extreme cases, cell death.

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