Answers
Answer:
1 should be D and 2 should be A
Related Questions
Which object in space emits light because it releases energy produced by nuclear fusion?
A. Earth’s Moon
B. Halley’s comet
C. Venus
D. Polaris
Answers
Answer:Polaris
Explanation: Nuclear Fusion
Cleats or spikes on shoes make _________ friction because they provide a _________ surface.
Answers
Answer:
Cleats or spikes on shoes make more friction because they provide a rougher surface.
*do note that there could be more correct answers, this is just one of them
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Explain how nature (genetics) and nurture (environmental factors) work together to determine inherited traits Stress can cause you not to develop properly.
Answers
Answer:
Please mark me the brainliest
Explanation:
Inherited traits are determined by a complex interplay between nature (genetics) and nurture (environmental factors). Genes, which are passed down from parents to offspring, provide the basic blueprint of an organism's physical and behavioral traits. However, environmental factors can also play a significant role in determining how these genes are expressed.
For example, a genetic predisposition for a certain disease or condition may be present in an individual's DNA, but whether or not that condition develops may depend on environmental factors such as diet, exercise, and exposure to toxins or pathogens. Similarly, an individual's physical appearance, such as height or eye color, may be largely determined by genetics, but can also be influenced by environmental factors such as nutrition and exposure to sunlight.
Stress is one environmental factor that can affect an individual's development and the expression of their inherited traits. Chronic stress can lead to changes in gene expression, which can alter an individual's physical and behavioral traits. For example, stress can affect the development of the brain, leading to changes in cognitive function and behavior. Stress can also affect the immune system, making individuals more susceptible to infections and diseases.
Overall, nature and nurture work together to determine an individual's inherited traits. While genetics provide the basic blueprint, environmental factors can influence how genes are expressed and can affect an individual's physical and behavioral traits. Stress is one environmental factor that can impact development and the expression of inherited traits, highlighting the importance of a healthy environment for optimal growth and development.
Answer:
Nature (genetics) and nurture (environmental factors) equally determine inherited traits. Genetics provides the blueprint for the development of physical and behavioral characteristics, while environmental factors can influence how those genes are expressed.
The genetic information that determines inherited traits is inherited from parents to offspring through DNA. DNA is a complex molecule that contains the genetic instructions for building and maintaining an organism. Each individual inherits a unique combination of DNA from their parents. This factor determines their physical and behavioral traits.
However, environmental factors may influence the expression of those genes. For example, certain chemicals, toxins, or radiation can cause mutations in DNA, which can lead to changes in physical or behavioral traits. Similarly, nutrition, stress, and social experiences can all affect gene expression. These environmental factors cause variations in traits between individuals.
Furthermore, both genetic and environmental factors may influence some traits . For example, while genetics partially determines height, nutrition and other environmental factors can also influence how tall someone grows. Similarly, both genetic and environmental factors influence intelligence. Studies show that both nature and nurture play a role in cognitive development. Thus, these factors act independently and interdependently to determine inherited traits
In conclusion, genetics and environmental factors work together to determine inherited traits. Genetics provides the blueprint for development, while environmental factors can influence how those genes are expressed. This information helps understand how traits are inherited and develop strategies to optimize health and wellbeing.
Explanation:
If bacterial cells with an internal NaCI concentration of 32 mg/mL were immersed into a soluiron containing 74 mg/ml of NaCI, what would happen to the bacterial cells?
Answers
Bacteria are common, largely free-living organisms that frequently only have one biological cell. They make up a significant portion of the prokaryotic microbial kingdom.
What is bacterial cell?The process of "cell lysis" or "cellular disruption" involves rupturing or destroying the cell membrane's outer layer in order to releaseSmall, single-celled organisms called bacteria exist. Nearly all areas of the world are home to bacteria, which are essential to its ecosystems. Some species can survive in environments with high pressure and temperatures. In fact, it's thought that there are more bacterial cells in the human body than there are human cells.Bacteria, which are typically a few micrometers in length, are among the earliest living forms to emerge on Earth and are found in the majority of its habitats.To learn more about Bacterial cell refer to:
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Part 2: Internal Anatomy (cont.)
Complete the following statements.
1. The pharynx is located between segments
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1. The pharynx is located between segments of the respiratory and digestive systems.
The pharynx is a muscular tube that serves as a common pathway for both air and food. It is located at the back of the throat and connects the nasal and oral cavities to the esophagus and larynx. The pharynx is divided into three regions: the nasopharynx, oropharynx, and laryngopharynx.
The nasopharynx is located behind the nasal cavity and above the soft palate. It serves as a passageway for air, connecting the nasal cavity to the rest of the respiratory system. The oropharynx is located behind the oral cavity and extends from the soft palate to the epiglottis. It plays a role in both the respiratory and digestive systems, as it serves as a passage for both air and food. The laryngopharynx is the lowest part of the pharynx and is located behind the larynx. It leads to the esophagus for food passage and the larynx for air passage.
The pharynx plays a crucial role in the process of swallowing. When food is swallowed, it passes through the pharynx before entering the esophagus for digestion. The pharyngeal muscles contract in a coordinated manner, pushing the food bolus downward and preventing it from entering the airway.
In summary, the pharynx is located between segments of the respiratory and digestive systems. It acts as a common pathway for both air and food, playing a vital role in swallowing and directing the passage of substances into the appropriate pathways of the respiratory and digestive tracts.
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The energy of a photon of X-rays, compared to the energy of a photon of visible light, is
A) about the same.
B) much lower.
C) variable and can be higher or lower under certain circumstances and in certain positions
in the universe.
D) much higher.
Answers
The energy of a photon of X-rays, compared to the energy of a photon of visible light, is much higher.
Photons are elementary particles that are often associated with electromagnetic radiation. A photon is a quantum of electromagnetic radiation, such as light, that travels at the speed of light. The photon carries the energy of the radiation. The amount of energy carried by the photon is determined by its frequency and wavelength.
The energy of a photon is determined by its frequency and wavelength. Higher-frequency radiation, such as ultraviolet light, X-rays, and gamma rays, has higher energy photons. Lower-frequency radiation, such as radio waves and microwaves, has lower energy photons. This can be linked to the Planck-Einstein relation, E = hf, where E is the energy of a photon, h is Planck's constant, and f is the photon's frequency. The energy of a photon of X-rays is significantly greater than the energy of a photon of visible light.
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most mice living on the mainland of florida are brown, but the mice that live on the sand dunes of the barrier islands have white fur. the differences in color are heritable, determined by genes such as
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The differences in fur color between the mainland Florida mice and those living on the sand dunes of the barrier islands are due to heritable traits, determined by specific genes. In this case, the gene responsible for the fur color variation is likely one that affects melanin production or pigment distribution in the fur.
Here is a step-by-step explanation of this heritable variation:
1. There are two populations of mice: mainland Florida mice with brown fur, and barrier island mice with white fur.
2. The fur color is determined by genes that control melanin production or pigment distribution.
3. These genes can be inherited from one generation to the next, leading to the continuation of the fur color trait in each population.
4. Over time, these populations may have adapted to their respective environments, with brown fur providing better camouflage on the mainland and white fur being more advantageous on the sandy dunes of the barrier islands.
5. This adaptation may have contributed to the prevalence of these color variations in the two separate populations of mice.
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What argument has been advanced to explain how the configuration of the continents could have given seed plants an advantage at that time over non-seed plants such as horsetails, lycopods, and ferns? (Include in the "argument" two things - what conditions would result from the configuration of the continents and how seed plants could take better advantage of those conditions than a non-seed plant such as a fern.)
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The argument that has been advanced to explain how the configuration of the continents could have given seed plants an advantage over non-seed plants is based on the fact that seed plants have a more efficient means of reproduction and dispersal.
During the Devonian period, when seed plants evolved, the continents were still largely connected, forming a large supercontinent known as Gondwana. This configuration created a drier interior, as the large landmasses blocked the moisture-carrying ocean winds. Seed plants, with their ability to produce seeds that can be dispersed by wind or animals, were better adapted to survive in these drier conditions compared to non-seed plants like horsetails, lycopods, and ferns, which relied on spores for reproduction and dispersal.
Additionally, seed plants developed a protective seed coat that allowed them to survive harsher environments and have a better chance of germination. These adaptations gave seed plants a competitive edge over non-seed plants and helped them dominate the land during the Carboniferous period.
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How could the loss of biodiversity affect humans?
Answers
The loss of biodiversity could affect humans by leading to the loss of potential medicine, foods and products and is therefore denoted as option B.
What is Biodiversity?This refers to the variations which exists between organisms which are present in different types of ecosystem.
Lack of variation means there will be shortage of organisms which have differences in their traits or features. This isn't ideal because these differences may be as a result of natural selection which makes them fitter therefore having more beneficial properties.
These are therefore the most appropriate ways in which the loss of biodiversity affect humans.
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Two things that decrease a population
A.
B.
Please help answer this for me it’s my worth a lot percent of my grade ASAP
Answers
Answer: environmental hazards and spread of a disease
Explanation:
B. Economic Troubles
Can someone please help me with this question? Thank you.
Answers
Answer:
c
Explanation:
:)
Answer:answer c
Explanation:
In your own words explain how you think that DNA, mutation, genotype, phenotype, and natural selection interconnect to cause evolution
Answers
Answer: According to sources, the most probable answer to this query is that evolution happens because when life came it sought for survival. Now, this is through mutation which causes random DNA sequences leading to genotypic and phenotypic changes. Natural selection as relation to adapting to the selection forces of the environment. And when these factors is added by the niche and other large case scenario to cause major anatomical changes, speciation comes through. And that, the process of evolution. And how it is a mechanism and an intermediate interaction with the environment.
Explanation:
in the e-test, the zone of inhibition is elliptical around the plastic strips impregnated with antibiotics. what information do you get when you know the point at which the bacterial growth touches the strip?
Answers
The information that we get when we know that the point at which the bacterial growth touches the strip is you know the concentration of a chemical that bacteria are resistant to.
According to the e-test, when the bacterial growth touches the strips then this means that they are growing in the zone of inhibition. Only those bacteria can grow in the zone of inhibition that is resistant to the particular antibiotic.
Hence, when the bacterial growth touches the strip we get to know the concentration of bacteria that have moved to the zone of inhibition and still managed to grow. This causes the bacteria to grow in resistant environments.
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a staff member who has a cold (rhinovirus) sneezes. another staff member sitting 2 feet away uses a pen in the viral particles have landed on and later develops a cold. the virus was most likely carried by which mode of transmission?
Answers
The most likely mode of transmission for the cold virus in this scenario is contact transmission.
Contact transmission refers to the spread of infectious agents through direct or indirect contact with a contaminated object or surface. In this case, the staff member who had a cold sneezed and released viral particles into the air. These particles likely landed on the pen that the second staff member used, allowing the virus to be transferred to their hands and later to their nose or mouth, leading to the development of a cold.
Contact transmission can occur through direct contact with an infected person or through contact with contaminated objects or surfaces. It is important to practice good hygiene, such as washing hands regularly and disinfecting frequently touched surfaces, to prevent the spread of infectious agents through contact transmission.
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All energy resources have an impact on our environment. Fossil fuels do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions. It is important to understand the environmental impacts associated with producing power from renewable sources such as wind, solar, geothermal, biomass, and hydropower. The type and intensity of environmental impact from each resource varies depending on the technology used, the geographic location, and several other factors specific to each resource. 9) Harnessing wind power is one of the cleanest and most sustainable ways to generate electricity as it produces no toxic pollution or global warming emissions. Wind is also abundant and inexhaustible. But it has its disadvantages.
All BUT ONE could be considered a disadvantage to using wind power as a sustainable energy resource. A) Wildlife - Wind turbines negatively impact wildlife, most notably on birds and bats. B) Public health - People living close to wind turbines have complained about sound and vibration issues. C) Land use - Wind turbines can be sited on brownfields: abandoned or underused industrial land which significantly reduces concerns about land use. D) Competition - Off-shore wind facilities may compete with a variety of other ocean activities, such as fishing, recreational activities, and aquaculture.
Answers
Answer:
Wind, solar, geothermal, biomass, and hydropower also have environmental impacts, some of which are significant. Fossil fuels do substantially more harm than renewable energy sources by most measures. By understanding the potential environmental issues associated with each renewable energy source, we can takes steps to effectively avoid or minimize these impacts. Biomass power plants generate electricity from biomass that can be sustainably produced and utilized in the United States for energy and fuel, focusing on agricultural residues, waste materials, and forest biomass. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into the earth's surface to reach deeper geothermal resources, can allow broader access to geothermal energy.
Future of hydroelectric power in the United States will likely involve increased capacity at current dams and new run-of-the-river projects. Large-scale hydroelectric dams continue to be built in many parts of the world (including China and Brazil) There are environmental impacts at both types of plants. While actual impacts of large-scale operations have not been observed, a range of potential impacts can be projected.
Answer:
All energy sources have some impact on our environment. Fossil fuels—coal, oil, and natural gas—do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.
Which features do baby reptiles have when they are born? (Select all that apply.)
lungs
gills
webbed feet
thick skin
Answers
A, and B. They have very thick skin, and are born with lungs.
The physician prescribes furosemide (Lasix) 40 mg IV push (IVP) now, methylprednisolone (Solu-Medrol) 75 mg IVP now, and ceftriaxone (Rocephin) 1 g IV piggyback after the furosemide (Lasix).
Indicate the expected outcome for V.M. that is associated with each of the medications he is receiving.
Answers
Expected outcome of Furosemide is that it will help in the reduction of fluid in V.M's body, which will improve breathing difficulty, swelling in the extremities, and prevent heart failure. The expected outcome of Methylprednisolone is that it will help V.M in reducing swelling and inflammation.The expected outcome of Ceftriaxone is that it will help V.M in treating any bacterial infections that he might have.
Furosemide is given to help patients with excessive fluids in their body, whereas methylprednisolone is given to reduce swelling and inflammation and ceftriaxone is given to treat bacterial infections. Let us take a look at the expected outcome for each of the medications that V.M is receiving:
Furosemide (Lasix) 40 mg IV push (IVP) nowExpected outcome: Furosemide is a loop diuretic drug that is used to treat excess fluid in the body. This medicine is useful in the treatment of congestive heart failure, cirrhosis of the liver, and kidney disease. Therefore, it is expected that Furosemide will help in the reduction of fluid in V.M's body, which will improve breathing difficulty, swelling in the extremities, and prevent heart failure.
Methylprednisolone (Solu-Medrol) 75 mg IVP nowExpected outcome: Methylprednisolone is a corticosteroid that is used to reduce inflammation and swelling. This medicine is useful in the treatment of conditions such as allergies, skin conditions, ulcerative colitis, arthritis, lupus, psoriasis, or breathing disorders. Therefore, it is expected that Methylprednisolone will help V.M in reducing swelling and inflammation.
Ceftriaxone (Rocephin) 1 g IV piggyback after the furosemide (Lasix)Expected outcome: Ceftriaxone is an antibiotic that is used to treat bacterial infections such as meningitis, pneumonia, sepsis, urinary tract infections, and ear infections. Therefore, it is expected that Ceftriaxone will help V.M in treating any bacterial infections that he might have.
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Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answers
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
Economic and social changes during the Gilded Age caused
most workers to abandon labor unions.
people to stop working at many factories.
workers to seek training to get better jobs.
activists to work for a variety of reforms.
Answers
Answer:
ITS D
Explanation:
Economic and social changes during the Gilded Age caused activists to work for a variety of reforms.
What happens in Gilded age?The American Gilded Age was a period of immense economic change, great conflict between the old ways and brand new systems, and huge fortunes were made and lost.
The Gilded Age was a period of economic growth as the United States jumped to the lead in industrialization ahead of Britain. The nation was rapidly expanding its economy into new areas, especially heavy industry like factories, railroads, and coal mining.
As daunting as the political challenges were at the time, the Gilded Age came to an end with the reforms of the Progressive era and the New Deal. Those years saw countless changes in the rules of economic life as well as new taxes and social spending.
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Why did my fish drown
Answers
Answer:
you forgot to feed it
Explanation:
Answer:
It wasn’t meant to be
Explanation:
Which of the choices below gives the best "big picture" snapshot of what is happening in the body?
Question 10 options:
Specialized cells have specialized DNA that allows them to produce specialized proteins needed by an individual cell
The brain sends mRNA as a messenger to specific cells telling them to send proteins to copy DNA from the ribosomes so other cells can get a copy of those genes.
Every cell in the body contains the entire DNA genome. Specialized cells turn on specific genes to make specific proteins, which are then released for use throughout the body.
Answers
Answer:
that last one
Explanation:
A.
B.
C.
D.
What is the answer?
Answers
One of the limitations of the light microscope is the _____.
Answers
Answer:
resolving power.Explanation:
The principal limitation of the light microscope is its resolving power.
Using an objective of NA 1.4, and green light of wavelength 500 nm, the resolution limit is ∼0.2 μm. This value may be approximately halved, with some inconvenience, using ultraviolet radiation of shorter wavelengths.
digestion is one of the important Life process in human body.why
Answers
Answer:
Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair
Explanation:
i think
Answer:
digestion is the process of breakdown of food to smaller particles for using them as energy in all of our body. so this make digestion one of important life process in human body.
Which term identifies the cell’s ability to maintain its internal conditions? transport diffusion osmosis homeostasis
Answers
Answer: Homeostasis
Explanation: The process of homeostasis is when self-regulation occurs in order to keep balance while adapting to changes.
Answer:
homeostasis
Explanation:
I got the question right
The acrosome reaction __________. Pick the best answer to finish the statement. Group of answer choices is necessary to block polyspermy releases enzymes necessary for penetrating the zona pellucida increases the mitochondrial respiration rate of spermatozoa removes ZP3 from the spermatozoa
Answers
The acrosome reaction is necessary to block polyspermy. The process releases enzymes necessary for penetrating the zona pellucida. It is one of the initial reactions that occur after the spermatozoa have reached the egg and help in the fusion of the spermatozoa with the egg cell's plasma membrane.
The release of these enzymes results in a series of changes in the egg cell's outer layer that prevent other spermatozoa from penetrating the cell. Additionally, the acrosome reaction increases the mitochondrial respiration rate of spermatozoa, which results in the release of ATP, the energy necessary for the fertilization process.The acrosome reaction is a critical part of the fertilization process.
It allows for the breakdown of the zona pellucida, which surrounds the egg cell, and permits the entry of the spermatozoa. Without the acrosome reaction, fertilization would not occur because the egg cell would not fuse with the spermatozoa. Therefore, the acrosome reaction is crucial for the successful fertilization of an egg cell by a spermatozoa.
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all amhibianas have four limbs
Answers
Answer:
false.
Explanation:
using the genetic code (dna base sequence) to build mrna occurs during the process of . producing a protein based on the base-order of an mrna occurs during the process of
Answers
Using the genetic code (DNA base sequence) to build mRNA occurs during the process of transcription. Producing a protein based on the base-order of an mRNA occurs during the process of translation.
Transcription is the process by which RNA polymerase uses a DNA template to create mRNA. RNA polymerase reads the DNA template strand and adds RNA nucleotides in the complementary sequence, forming a single-stranded mRNA molecule. During translation, the mRNA is read by the ribosome, which uses the genetic code to decode the nucleotide sequence into a specific sequence of amino acids. The amino acids are then joined together to form a protein, which folds into a specific three-dimensional shape based on the interactions between the amino acid side chains.
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Describe what a sustainable ecosystem looks like with a real-life example
Answers
Answer:
The Appalachian Region in the southwestern United States, which is one of the most richly biodiverse regions in the world. Overall, cities that recycle & reuse basically exist in harmony with the surrounding environments are also considered sustainable ecosystems. A sustainable ecosystem is one where even when things are taken, nature still has enough to function and the ecosystem/area is healthy. But dealing with domestic, industrial, & agricultural waste is a growing environmental issue. That is NOT a sustainable ecosystem.
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What do microbiologist do ?
Answers
Answer: They study Microoganisms
Explanation:
They study micro (meaning small) organisms, for example, bacteria and algae, which is extremely minature. It is difficult and dangerous if left infected, but their work is sucessful if worked with the right tools, they try to understand how microorganisms live in their small environment