Your airways are coated with a thin layer of liquid called ASL and a mucus gel layer, both which neutralize foreign particles to prevent infection. In people with
Cystic Fibrosis, a gene has an error, which causes the cells of the airways (lungs, etc) to have defective plasma membranes The ASL and mucus are much
thicker than usual near the defective cells, causing a lot of lung congestion because the defective cells allow too much salt into the cells Why would allowing too much salt into the cells create thicker ASL and mucus?
À. The increased salt in the cells makes the person thirsty, leading to thickened ASL and mucus in the lungs
B. The increased salt in the cells causes water from the airways to move into the cells by osmosis, thickening the ASL and mucus in the lungs.
C. The increased salt in the cells causes water from the cells to move into the airways, thickening the ASL and mucus in the lungs
D. The increased salt in the cells is absorbed by the cytoplasm of the cell causing water to leave the cells and enter the lungs,
Answers
Answer:
d
Explanation:
Related Questions
8. Metamorphic rocks are created through a change in the rock's original structure.
A. What are three types of change that occur in the process of metamorphism? (3 points)
B. What happens to the rock structure during each of type of change? (6 points)
Answers
A. Three types of change that occur in the process of metamorphism are: Recrystallization, Neometamorphism and Deformation.
What are the changes that occur in the rock structure?B. The changes that occur in the rock structure during each type of metamorphism are:
Recrystallization: This involves the growth of new crystals within the rock, while retaining the same mineral composition. During this process, the original crystal structure may be destroyed, and new crystals may form in a more tightly packed, interlocking arrangement. Neometamorphism: This involves the formation of new minerals from the original minerals in the rock. The temperature and pressure conditions during this process may be high enough to break down the original minerals and form new ones.Deformation: This involves the physical alteration of the rock due to stress and pressure. The rock may be folded, faulted, or sheared, leading to a change in its shape and structure. During this process, the original mineral composition and texture of the rock may be preserved, but its physical structure will be altered.Learn more about Metamorphic rocks here: https://brainly.com/question/20475194
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Answer:
8. Metamorphic rocks are created through a change in the rock's original structure.
A. What are three types of change that occur in the process of metamorphism? (3 points) Contact, regional, and dynamic.
B. What happens to the rock structure during each of type of change? (6 points)
Contact metamorphism occurs when magma comes into contact with an already-existing rock body.
Regional metamorphism occurs when rocks are exposed to heat and pressure over a large area.
Dynamic metamorphism occurs from high shear stress, high pressure, and high strain.
Explanation:
Pls don't copy word-for-word, this is from my assignment submission and we could both be in trouble for plagiarism.
An investigation involving osmosis and plant cells was performed by a group of students. Sweet potatoes were used as
the source of plant cells in the experiment. A sweet potato was diced into evenly sized andshaped cubes and placed
in beakers containing various glucose concentrations. The experimental setup is shown in the table here.
Which statements accurately predict the beaker in which water will enter the cells at a greater rate, causing an
Increase in mass for the sweet potato cells?
A)
Beaker 1
B)
Beaker 3
C) beaker 4
Answers
Answer:
A
Explanation:
Water will enter and leave the cells at the same rate via osmosis
The correct option is (A) Beaker 1 in which water will enter the cells at a greater rate, causing an increase in mass for the sweet potato cells.
What is Osmosis?Osmosis refers to a process in which the water or solvent diffuse across a semipermeable membrane (here cell membrane) from the area of high solute (here glucose) concentration to low solute concentration. The concentration of glucose in the water of beaker 1 is 1.5M which is highest as compared to other beakers.
The concentration of glucose solution in beaker 1 is hypertonic to the concentration of glucose in the cell which makes the water to move inside the cell via osmosis. Movement of water inside the cell results in increase in mass for the (sweet potato) cells.
Thus, the water will enter the cells at a greater rate in the beaker 1 because the glucose concentration is highest in the beaker 1 corresponding to its cell glucose concentration.
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i need help!!!!!!!!!!
Answers
Therefore density here=3g/12mL=0.25g/mL
Bone marrow is responsible for producing:
A. Plasma
B. vitamins
C. Blood
D. Red and white blood cells
Answers
Answer:
d
Explanation:
Answer: A
Example for the answer: Bone marrow is responsible for producing white blood, and red blood cells vitamins plasma.
Hope this help :)
HELP ASAP HURRRRRRRYYYY
Answers
Can someone help, u have to match defintions with pictures
Answers
Answer: The picture at row 1, column 1 goes with the definition in row 2 column 4.
The definition in row 1 column 2 goes with the picture in row 4 column 2
the definition in row 2 column 1 goes with the picture in row 2 column 2
Explanation: Thats the best I could do with the image
I hope this works for you
Life on Earth likely evolved from a common ancestor that existed approximately 3.5 billion years ago. Which of these is evidence that all life on Earth shares common features? Select ALL that apply.
Responses
A All life on Earth has DNA as the molecule of heredity.All life on Earth has DNA as the molecule of heredity.
B All life on Earth is made up of cells with a rigid cell wall.All life on Earth is made up of cells with a rigid cell wall.
C All life on Earth performs transcription and translation in a similar fashion.All life on Earth performs transcription and translation in a similar fashion.
D All life on Earth contains mitochondria for cellular energy.All life on Earth contains mitochondria for cellular energy.
E All life on Earth has cells surrounded by membranes.
Answers
the evidence that all life on Earth shares common features is that All life on Earth performs transcription and translation in a similar fashion. and All life on Earth has cells surrounded by membranes.
What is transcription and translation?
The process of transcribing a piece of DNA into RNA is known as transcription. Messenger RNA is created when segments of DNA are translated into RNA molecules that can encode proteins. Translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum create proteins following the transcription of DNA to RNA in the cell's nucleus. The entire process is known as gene expression.
What is cell membrane?
The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment. The cell membrane is made up of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
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Which of the following is a function of a steroid?
O insulation againstcold
O long term energystorage
O protective layer
O transmission ofgenetic information
O sex hormone
Answers
A steroid is a compound that is biologically active compound that posses a specific molecular structure
The correct option for the function of a steroid is the option;
Sex hormone
The reason why the option is correct is as follows:
Due to their being insoluble in water and hydrophobic, steroids are lipids,
and steroids such as cholesterol, alongside triglycerides, and essential fatty
acids are known as fats which perform the following functions; insulation of
the body, energy storage, vital organ protection
Steroids can be natural or man made.
Steroids such as corticosteroids are the man made drug that is similar to
the hormones, cortisol made in body.
Sex steroids such as progesterone and estradiol function as Sex hormones.
Therefore, the correct option for the function of a steroid, rather than a fat in general is the option;
Sex hormone
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Plzzz help with the one with the membrane picture
Answers
Answer:
1.) The solute molecules will not move between the two sides because the membrane does not have large enough spaces for the molecules to move through. The water molecules will move to the right side because water moves to places of a higher solute concentration.
2.) The right side represents high concentration because it contains the majority of the solute molecules.
3.) The left side represents low concentration because it contains a small amount of solute molecules compared to the right side.
Which property of matter is conserved in chemical reactions and shown by balanced equations?
mass
ООО
volume
density
shape
Answers
Answer:
The correct answer is - Mass.
Explanation:
A chemical equation represents the change in the complete composition during the chemical reaction. The reactants and the mass of the products remain constant in the balanced equation which means there is no loss of mass take place in a chemical reaction.
Chemical reactions follow the law of conservation of mass which means like energy mass can not be destroyed or created and represent by the balanced chemical equation.
Answer:
a mass
Explanation:
Activity
1. You have been presented with four outcrops from different locations.
2. Correlate matching layers of rock from the locations A, B and C so that matching
layers are next to each other. Draw lines to identify the correlated layers.
3. Draw a red line between layers of rock to identify where rock layers are missing.
4. Determine the relative age (as a range of time) of the rock layers. Label the age.
5. Try to correlate the rock layers of location D. You will answer questions specific to
layer D after completing this activity.
Answers
Answer:It's a + t _ d-e Np
Explanation:
In science class, Maria observes a white-colored cut flower. She sees that the petals turn red when the flower is sitting in a vase that has red-colored water.
She forms a hypothesis that the color reaches the flower through the stem. What should Maria do to confirm the hypothesis?
A.
She should repeat the experiment with the same type of flower and photograph the changes over time.
B.
She should ask her science teacher about the flower to confirm whether her hypothesis is correct.
C.
She should try the experiment with a potted plant with roots and observe any color changes.
D.
She should repeat the experiment with a different species of plant and photograph the changes.
Answer of this question is A. because I just took the question and got it right
Answers
Answer:
She should try the experiment with a potted plant with roots and observe any color changes.
Explanation:
A potted plant is living and carrying out an experiment on a living plant is the best possible way to confirm Maria's hypothesis.
What happens to the enzyme when the pH is 2?
Answers
Answer:
the enzyme becomes denatured
Explanation:
the active site would have been destroyed so much, catalysts can't use it anymore.
a) Look back at your hypothesis from question 2. Could this hypothesis become a theory if
you repeated your experiment 100 different times and got the same results? Can a theory be
I
created by just one person? (2 points)
Answers
A theory can be created by just one person, but it requires extensive research, experimentation, and peer review to become widely accepted. A theory is a well-established explanation that has been repeatedly confirmed through observation and experimentation, and it must be supported by a large body of evidence. Therefore, a theory cannot be created by just one person without extensive research and experimentation, and without undergoing peer review to ensure its validity.
What do tropical rainy and temperate marine climates have in common? dry winters very few trees very hot temperatures high levels of precipitation
Answers
Answer:
dry winters
Explanation:
Which of the following best explains why bacteria are able to adapt to
changing environmental conditions?
A Bacteria have DNA that rarely mutates in the population.
B Bacteria reproduce rapidly, allowing mutations to increase in the
population.
C Bacteria reproduce asexually, causing little genetic variation in the
population.
D Bacteria exchange genetic material, which increases the number of
chromosomes in the population.
Answers
Answer: B
Explanation:
Which type of organism is found in Kingdom Archaebacteria?
O protozoa
o methanogens
o fungi
o algae
Answers
Answer:
i had this question back in 6th grade i think its fungi
Explanation:
HELP ASAP! 50 POINTS!! WILL MARK BRAINLIEST!! THANK YOU!!
Complete the Punnett square for a dihybrid cross of a new type of cat: PpRr (mother) x ppRr (father)
Answers
Answer:
I hope this helps, if it doesn't help you please let me know, and I'll delete my answer!
When scientists use their five senses to learn new information
Answers
The scientist use their five senses (sight, hearing, smell, touch and taste) when they are gathering information during an observation. The name of this process is observation.
The are the plants, algae, and other organisms that can make their own food.
Answers
Autotrophs are plants, algae, and other organisms that can make their own food.
These organisms are called autotrophs, which translates to "self-feeders." Autotrophs play a crucial role in ecosystems as primary producers, forming the foundation of food chains and providing sustenance for other organisms. Photosynthesis is a complex biochemical process that occurs in the chloroplasts of plant and algal cells.
It involves the conversion of light energy from the sun into chemical energy in the form of glucose. Autotrophs accomplish this by utilizing pigments, primarily chlorophyll, to absorb light energy. During photosynthesis, autotrophs take in carbon dioxide from the atmosphere and water from the environment. With the aid of sunlight, these raw materials are transformed into glucose and oxygen.
Glucose serves as an energy source for organisms, while oxygen is released back into the atmosphere as a byproduct. This ability to synthesize their own organic compounds from inorganic substances gives autotrophs a distinct advantage.
Autotrophs exist in various forms, including land plants, such as trees, grasses, and flowers, as well as aquatic plants like seaweeds and pond algae. Additionally, certain bacteria and protists are capable of photosynthesis, broadening the range of autotrophic organisms.
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What is the bottom layer in the soil?
topsoil
parent rock
humus
subsoil
Answers
Answer:
my answer is: subsoil
Explanation:
Answer:
Parent rock, also now as bedrock
Explanation:
According to Mendelian genetics, what phenotypic outcome do you expect
in the progeny when you cross a heterozygote (Aa) with a homozygous
dominant individual (AA)?
* 1 point
75% will have the dominant phenotype, 25% will have the recessive phenotype
will ha
25% will have the dominant phenotype, 75% will have the recessive phenotype
50% will have the dominant phenotype, 50% will have the recessive phenotype
All individuals will have the dominant phenotype
Answers
25% will have the dominant phenotype, and 75% will have the recessive phenotype.
When purebred or homozygous individuals that differ in a particular trait are mated, all offspring will be heterozygous for that trait. If the trait is inherited as dominant and recessive, all F1 offspring exhibit the same phenotype as the parent homozygous for the dominant trait. Monohybrid matings have a dominant to recessive phenotype ratio of 3:1.
In complete dominance, there is no phenotypic difference between AA and Aa individuals. In imperfect dominance, the phenotype of heterozygous individuals is clearly less intense than that of homozygous individuals for the dominant allele, such that the AA and Aa genotypes produce different phenotypes. A cross of two F1 hybrids that are heterozygous for a single trait that exhibits imperfect dominance.
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What is stored in carbon bonds?
water
O energy
O glucose
Ο ΑΤΡ
Answers
Answer:
Energy is stored in carbon bonds. The type of energy stored in carbon bonds can be in the form of potential or chemical energy.
Explanation:
Answer:
Energy
Explanation:
Hope i helped
1. A plant tissue cells are elongated and thickened with cellulose strips at the corners.
a. Name the tissue having these features.
b. How is it involved in storing starch?
c. How does it help young stems and leaves to bend without breaking?
Answers
Answer:
Explanation:
Collenchyma is the tissue with cellulose strips at the corner. It is usually found in the shoots and leaves of plants providing strength, support. The cells have thick cell walls with the corners thickened with cellulose.
Collenchyma is made of up cellulose and pectin, starch are stored as cellulose in collenchyma.
It prevents breakage of young stem by given strength, especially in growing shoots and leaves due to its thickened corners.
Small molecules are combined to form larger ones which can eventually form a
Answers
Answer:
POLYMER
Explanation:
Small molecules called monomers combine together in a process called polymerization to form a larger molecule called POLYMER. A polymer is a large molecule consisting of long chains of small molecules (monomers) chemically bonded together.
The process of polymerization often involves the loss of water molecule. These polymers (macromolecules) are important for the optimal functioning of living systems, or the production of important substances.
The article mentions the six rules for choosing effective supporting materials. Name the three you feel are the most important and explain why you feel this way. (Site 1)
Answers
Answer:
Don't have to many. I feel like this is one of the most important because if you go on to long about the same thing you will begin to lose your audience and the speech will not be as good anymore. Match the Material to the audience. This is another very important one because if the audience can relate to what you are saying they are going to be way more engaged in what you have to say. Make the purposeful. This is final and 3rd most important rule because what you are saying has to mean something or else what is the point in saying it at all.
Explanation:
Personally don't think this is that good of an essay but I got a 100% on it so it works.
The most important rules include the following;
Saying meaningful words.Matching the material with audience.Be short and concise to prevent ambiguity.What is an Audience?These are referred to as a group of listeners or spectators. It is best to convey information to them in the best possible way.
This is why the important rules which are mentioned above must be followed to prevent confusion.
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What does not produce carbon dioxide?
A. Photosynthesis
B. Burning fossil fuels
C. Animal respiration
D. Plants decaying
Answers
Answer:
A.Photosynthesis
Explanation:
Because,it's main function is to produce Oxygen and Glucose by taking in CO2 instead of giving out...with H2O..
The answer is photosynthesis
- Burning of fossil fuels(these are the bones/particles of animals that have died thousands of years ago). When these fossil fuels are burned they lead to the production of carbon dioxide.
- Animal respiration- the cells in the body of animals helps in the production of carbon dioxide which is released into the atmosphere
- Plants decaying- when plants wither off due to lack of nutrients, they decay with time and then produce carbon dioxide.
- Photosynthesis- the end product of photosynthesis is glucose.
Hence the answer is photosynthesis
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\The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution.
A 2-column table labeled Paramecium Contractile Vacuole Contractions has 5 rows. The first column is labeled salt concentration outside paramecium with entries very high, high, medium, low, very low. The second column is labeled contractions per minute with entries 2, 8, 15, 22, 30.
Which statement correctly describes the bars on a bar graph representing the data?
The graph has five bars of equal height.
The bars range from tallest for very high concentration to shortest for very low concentration.
The bar for very low concentration is twice the height of the bar for medium concentration.
The bar for very high concentration is five times the height of the bar for very low concentration.
Answers
The table Paramecium Contractile Vacuole Contractions which correctly describes the bars on a bar graph representing the data is the bars range from tallest for very high concentration to shortest for very low concentration.
The data in the table records the number of contractions per minute of a paramecium's contractile vacuole in response to different salt concentrations in the surrounding environment.
A bar graph representing this data would have five bars, one for each level of salt concentration.
The bars would vary in height according to the number of contractions per minute, with the tallest bar representing the highest salt concentration and the shortest bar representing the lowest salt concentration.
Therefore, the correct statement describing the bars on the bar graph would be: "The bars range from tallest for very high concentration to shortest for very low concentration."
This statement accurately describes how the height of the bars would vary based on the data in the table.
The other statements do not accurately represent the data or the trends observed in the table.
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1. Some human societies have lifestyles that are sustainable, while others do not.
a. Describe how living near water can lead to a more sustainable lifestyle. (0.5
point)
Answers
Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.
It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.
An individual who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.
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amino acids are linked together to form this organic conpund which gives organism their physical trait
Carbohydrates
Lipids
Nucleic Acids
Proteins