Answer:
blood structure,eye,skin
Give an example of a stimulus.
How might your body respond to this stimulus?
What kind of stimulus might cause a response from your autonomic nervous system?
No links please.
8. Cystic fibrosis is a disease that causes mucus to build up in the lungs. The underlying cause is a
misshapen protein in the cell membrane which interferes with the transport of chloride. Researchers have
identified two frameshift mutations associated with the disorder. One is caused by a two nucleotide insertion,
and the other is caused by a one nucleotide deletion. Why can both a deletion and an insertion mutation have
the same disease outcome?
Both deletion and insertion mutations can have the same disease outcome in the case of cystic fibrosis because they both result in a frameshift mutation.
In normal protein synthesis, the DNA code is read in groups of three nucleotides called codons. Each codon codes for a specific amino acid, and the sequence of codons determines the sequence of amino acids in the protein.
However, in a frameshift mutation, the reading frame of the DNA sequence is shifted, either by the deletion of a nucleotide or the insertion of an additional nucleotide. This alteration disrupts the normal grouping of codons, leading to a different sequence of amino acids being encoded.
In the context of cystic fibrosis, the misshapen protein in the cell membrane is caused by the frameshift mutation, which disrupts the normal structure and function of the protein. This misshapen protein interferes with the transport of chloride, leading to the buildup of mucus in the lungs characteristic of the disease.
Both deletion and insertion mutations alter the reading frame of the DNA sequence and result in a frameshift mutation, leading to the same disease outcome in cystic fibrosis. The specific location and size of the deletion or insertion may vary, but the overall consequence is the same: the production of a non-functional or partially functional protein that impairs chloride transport and causes mucus accumulation.
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Impressions of others are based upon their self schema. please select the best answer from the choices provided t f
The impressions of others are based on your own schema. true, impressions are based on your own guidelines.
What is impression in psychology?The term was coined by psychologist Edward L. Thorndike in 1920 to define an often-recurring cognitive bias: people used to draw global conclusions and apply them to individuals or ethnic groups, without knowing them individually.
With this information, we can conclude that the impressions of others are based on your own schema. true, impressions are based on your own guidelines.
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Answer: false
Explanation:
Under which conditions would air hold less water vapor than it holds at 30°C
(86°F) with sunny skies?
A. 34°C (94°F) with cloudy skies
B. 30°C (86°F) with cloudy skies
C. 22°C (86°F) with sunny skies
D. 32°C (90°F) with sunny skies
Answer:
B
Explanation:
jus CS its right
The relative humidity of the air affects how much water vapor it can hold. 30°C (86°F) with cloudy skies would air hold less water vapor than it holds at 30°C (86°F) with sunny skies. So, the correct option is B.
What is Relative humidity?Relative humidity (RH) measures the amount of moisture in the air compared to the maximum amount of moisture in the air at a given temperature and pressure. It is a standard figure for describing the moisture content of the air and is expressed as a percentage.
At a given temperature and pressure, air is considered to have 100% relative humidity when it contains all the moisture it can hold. The temperature at which the moisture in the air begins to condense into droplets is known as the dew point.
Therefore, the correct option is B.
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The diagram below shows part of one strand of a DNA molecule. What would the bases on the other strand be?PLEASE HELP ME PLEASE SOMEONE I AM IN DIRE NEED OF IT AND I AM ALSO GIVING A LOT OF POINTS FOR THIS ANSWER SO PLEEEASEEE
1-What are the main human impacts on the environments and propose microbiological solutions to reduce such impacts on the environment in details. (25 points) 2-How can microorganisms get adapted to th
Answer:
Explanation:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. These negative impacts can affect human behavior and can prompt mass migrations or battles over clean water.
what is the main function of a fungus’s hyphae? absorption of nutrients movement in water predator protection photosynthesis
It can be concluded that the primary function of a fungus’s hyphae is absorption of nutrients.
The main function of a fungus’s hyphae is absorption of nutrients. Hyphae is a long filament that is typically cylindrical and composed of a large number of cells that are separated by walls called septa. Hyphae in fungi
The hyphae help fungi absorb nutrients, which is their primary function. Because they lack chlorophyll, fungi must obtain their nutrients from other organic matter. They are able to achieve this through the secretion of digestive enzymes, which break down complex organic matter into simple, soluble compounds.
The hyphae's structure allows it to penetrate deep into substrates and other substances, exposing as much of the surface area as possible to the surrounding environment. This allows for effective nutrient absorption and efficient distribution of resources throughout the fungus.
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definition of compounds
Answer:
A material made up of two or more substances.
Example: H20 2 hydrogen 1 oxygen
Explanation:
Please give me BRAINLIEST and THANKS lol <( ̄︶ ̄)>
What is happening to earth biodiversity right now.
Biodiversity is the variety of plants, animals and ecosystems in the world, it is a measure of our planet's health. Overexploitation of species, habitat destruction, and the introduction of invasive species are threatening Earth's biodiversity.
please help me answer the first question.
Answer:
Include a Hypothesis
Explanation:
Here is the answer for u
which statements best compare the function of an ATP molecule to a DNA molecule
ATP helps in muscle contraction, active transport, formation of lysosomes, etc., while DNA carries all the genetic information related to an organism.
What do you mean by DNA molecule?The DNA molecule may be defined as the molecule that carries the genetic information for the development and functioning of an organism.
ATP delivers energy for chemical reactions in the cell. DNA maintains and communicates the genetic information of organisms.
Therefore, the above statement that best compares the function of an ATP molecule to a DNA molecule.
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white rami carry _________ neurons, while gray rami carry _________ neurons.
Answer: myelinated preganglionic, unmyelinated postganglionic
Explanation:
Just took the test
Which of the following plants and trees ? ( mango and pine . rose and coffee . cucumber and gourd .)
Answer:
mango and pine
Explanation:
What is the role of RuBP? How is RuBP regenerated?
Answer: RUBP Regeneration refers to the cyclical process where the photosynthetic enzyme Rubisco fixes carbon dioxide into the sugars that fuel plant growth and productivity. Only one-sixth of the PGA carbon is converted to sugar—the rest of the carbon is used to recycle RuBP as the cycle continues.
Explanation:
Which is the best topic sentence for a paragraph comparing and contrasting moths and butterflies?
Although moths and butterflies look alike, there are important differences between them.
Most moths rest with their wings out flat, but butterflies rest holding their wings together.
So the next time you think you see a butterfly, look twice, because it might be a moth.
Butterflies are usually more brightly colored than moths and are active during the day.
Answer:
A : Although moths and butterflies look alike, there are important differences between them.
Explanation:
I got it right in the test
Answer:
THE OTHER PERSON IS CORRECT PLS MARK THEM BRANLIEST
Explanation:
Explain why when the DNA is being replicated during the S phase of the cell cycle, it copies each strand differently.
Answer: Each strand act as a template strand for another strand this way two strands are responsible for the production of two new strands. This way after the replication process two DNA molecules are produced.
Explanation:
S phase of the cell cycle is the synthesis phase of the cell cycle. This phase occurs after the interphase of the cell cycle. In this phase, the replication and synthesis of the DNA occur. The genetic material gets copied and doubled in this process before it enters into mitosis or meiosis. Each strand is utilized as a template strand for the synthesis of the complementary strand this way two molecules of DNA are produced. This way each cell contains a diploid set of chromosomes before it undergoes cell division into daughter cells in mitosis or meiosis.
Each strand act as a template strand for some other strand this manner strand is accountable for the manufacturing of new strands. In this manner after the replication system DNA molecules are produced.
S phase of the cell cycle is the synthesis section of the cell cycle. This section happens after the interphase of the cell cycle. In this section, the replication and synthesis of the DNA arise. The genetic material receives copied and doubled on molecular this system earlier than it enters into mitosis or meiosis.
Each strand is applied as a template strand for the synthesis of the complementary strand this manner molecules of DNA are produced. In this manner, every cell carries a diploid set of chromosomes earlier than it undergoes cell department into daughter cells in mitosis or meiosis.
What is the S phase?S phase (Synthesis Phase) is the section of the cell cycle wherein DNA is replicated, taking place among the G1 phase and G2 phase. Since correct duplication of the genome is essential to a successful cellular department, the techniques that arise for the duration of the S-phase are tightly regulated and broadly conserved.
Hence it states that the DNA is being replicated during the S phase of the cell cycle, it copies each strand differently.
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Non-potable water may contain __________.
A)
disease vectors
B)
pathogens
C)
high levels of chemicals
D)
high levels of suspended solids
E)
all of the above
Answer:
E all of the above.
Explanation:
All of these things are true of non-potable water.
Why is skin color variation important?
The major reason that whole populations of people have different skin colors is because there are differences in sunlight across the world.
As people moved to areas farther from the equator with lower UV levels, natural selection favored lighter skin which allowed UV rays to penetrate and produce essential vitamin D. The darker skin of peoples who lived closer to the equator was important in preventing folate deficiency.
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Agree or disagree and why
Answer:
Agree
Explanation:
Insect do the same things as deer they tend stuff and then get eaten
The fitness of a trait Group of answer choices can vary through time will determine its frequency in the next generation can be chosen through artificial selection. depends on the environment all of the above
All of the above. The fitness of a trait is the ability of an organism to survive and reproduce in its specific environment. The fitness of a trait can vary through time and will determine its frequency in the next generation.
For example, if a particular trait is beneficial in one environment but not another, its frequency in the population will vary over time. Additionally, fitness can be chosen through artificial selection, which is the intentional selection of certain traits that are thought to be beneficial.
Artificial selection is used by humans to breed plants and animals for desirable traits. For example, breeders select for cows that produce more milk or for apples that are sweeter.
Ultimately, the fitness of a trait depends on the environment: if a trait is beneficial in one environment, it may not be beneficial in another. Thus, the fitness of a trait can vary through time and can be chosen through artificial selection.
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State the law on which hydrometer is based on
Answer:
Archimedes' principle
An ecosystem consists of
O energy.
O the soil, water, and weather.
O a community of organisms.
o all of these are components of an ecosystem.
Answer:
all of these are components
Scientists are not finding a diverse population of organisms on the coral reefs in the Bashamas why
Answer: Because of pollution and overfishing
Two chromosomes in a nucleus that carry genes controlling the same inherited characteristics are complementary chromosomes. sister chromatids. homologous chromosomes.
The correct answer is option C. Homologous chromosomes are two chromosomes in a nucleus that carry genes that control the same inherited characteristics. These are also referred to as homologs or homologues. Each homolog carries a complete set of genes that are involved in the same inherited characteristics as the other homolog.
This means that they are complementary chromosomes.Homologous chromosomes are not identical. One comes from the individual’s mother, and the other comes from the individual’s father. However, they are very similar in size, shape, and the types of genes that they carry.
This is because they pair up during meiosis, which is the process of cell division that produces reproductive cells. In this process, homologous chromosomes pair up and exchange pieces of genetic material. This is called crossing over.
This process increases genetic diversity in offspring by creating new combinations of genes. Sister chromatids, on the other hand, are two identical copies of a single chromosome that are connected at the centromere.
They are produced during the replication of DNA, which occurs before cell division. Sister chromatids are separated during cell division to create two identical daughter cells. Therefore, sister chromatids are not complementary chromosomes.
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Coastal marine habitats are particularly susceptible to anthropogenic impacts simply due to their proximity to land, people and sources of pollution. This question asks you to consider the various inputs to coastal habitats that we've discussed throughout the semester by selecting which statement is accurate/true.
Group of answer choices
Runoff containing agricultural fertilizers helps to improve longterm rates of primary production in local coastal habitats, because fertilizers add nutrients needed for algal growth.
Input of insecticides and pesticides into the ocean has no effect on marine species; these chemicals only affect terrestrial animals.
Chemicals that are absorbed into phytoplankton and small zooplankton can eventually make it into our seafood.
Chemicals that enter the food chain at the level of primary producers decrease in concentration at higher trophic levels.
The statement that is accurate/true is: Chemicals that are absorbed into phytoplankton and small zooplankton can eventually make it into our seafood.
Coastal marine habitats are highly influenced by anthropogenic impacts, which include inputs such as agricultural runoff, pesticides, and other chemicals. These inputs can have both direct and indirect effects on marine species and their habitats. For example, agricultural fertilizers can increase the levels of nutrients in coastal waters, which can lead to algal blooms that can harm other marine species. However, in the long term, these nutrients can also increase primary production in local coastal habitats.
On the other hand, insecticides and pesticides that enter the ocean can have negative impacts on marine species. These chemicals can bioaccumulate in the tissues of organisms and cause harm to their health and survival. Additionally, these chemicals can affect the food chain at various levels, as they are absorbed into phytoplankton and small zooplankton. Over time, these chemicals can accumulate in the tissues of larger fish and eventually make their way into our seafood.
Overall, it is important to consider the various inputs to coastal habitats and their potential effects on marine species and the environment. By understanding these impacts, we can work towards better management and conservation practices to protect these valuable ecosystems.
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these observations were surprising because the dna polymerases of prokaryotic and eukaryotic cells exhibit only which one of these four properties?
It is important to note that both prokaryotic and eukaryotic cells have DNA polymerases that exhibit all four properties, which are processivity, proofreading, speed, and fidelity.
Processivity refers to the ability of DNA polymerases to stay attached to the DNA template and continuously synthesize new strands. Proofreading is the mechanism by which DNA polymerases can detect and correct errors in the newly synthesized strand. Speed refers to the rate at which DNA polymerases can synthesize new strands. Fidelity refers to the accuracy with which DNA polymerases can copy the DNA template without introducing errors.
Therefore, if the observations referred to in the question found that the DNA polymerases of prokaryotic and eukaryotic cells only exhibit one of these four properties, it would be surprising as all four properties are essential for proper DNA replication. it seems you're asking about the common property shared by DNA polymerases in both prokaryotic and eukaryotic cells. The shared property among these DNA polymerases is their 5' to 3' polymerization activity.
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If a fish possesses the ability to produce copious amounts of urine and the ability to move ions via active transport across the gills, what would be the expected habitat of the fish? Multiple Choice a. The fish would survive equally well in fresh and salt water. b. These traits are in opposition to each other and would not be possessed by one fish. c. Fresh water d. Salt water
The expected habitat of a fish that possesses the ability to produce copious amounts of urine and the ability to move ions via active transport across the gills would be c. Fresh water.
Freshwater fish must produce a significant amount of urine to maintain their internal salt levels as the salt concentration in their external environment is lower than in their internal environment.
This excess urine production helps them excrete excess water and retain the necessary salts for survival. An important adaptation for freshwater fish is the ability to transport ions actively across their gills. This ability allows them to take up salts actively from the water and maintain their internal salt levels.
If freshwater fish were unable to transport ions actively across their gills, they would be unable to regulate their internal salt levels effectively and would be at risk of dying.
In summary, the ability to produce large amounts of urine and actively transport ions across their gills are essential adaptations for freshwater fish to regulate their internal salt levels effectively and survive in their environment.
Therefore, the expected habitat of a fish with these traits would be fresh water.
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What cell structure controls the flow of the water and sucrose into and out of the cell.
Answer:
The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells.
Explanation:
Which of the following best explains how a dog is able to ingest and digest food, and remove waste
products from its body?
Choose 1 answer:
A dog carries out digestion and excretion through a series of redundant systems, so if one
system is injured, another will take its place.
A dog has cells whose genetic makeup can change depending on the circumstances, such as
whether the animal is ingesting and digesting food, or excreting waste.
A dog has systems of specialized cells, such as those that make up the urinary tract and
digestive system, that help it carry out these functions.
Answer:
1st is correct
Explanation:
At its simplest, a dog's digestive system is a long tunnel that runs from their mouth to the anus. Food goes in at the mouth and travels through this tube and at various stages is broken down and either absorbed into the body or excreted as waste at the anus.
can someone tell me , what's special about genetical engineering ?
Answer:
By knocking out genes responsible for certain conditions it is possible to create animal model organisms of human diseases. As well as producing hormones, vaccines and other drugs , genetic engineering has the potential to cure genetic diseases through gene therapy.
Explanation:
Believe it!!
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