A virus replicates its own genetic material and divides into two new cells.

True or false​

The statement which is an example of ethos is (A). Dr. Kim, an expert on cardiovascular disease, recommends eating a healthy diet to improve heart function.

Dr. Kim is an expert on cardiovascular disease, so it is an example of ethos. Since Dr. Kim is an expert, the audience is more likely to believe the statement made by him than they would if it were coming from someone who is not an expert in cardiovascular disease.

People are more likely to listen to individuals with expertise and experience in their field. When a speaker establishes credibility, they also increase the likelihood that their audience will be receptive to their message.

Therefore, Dr. Kim's statement is an example of ethos because he is an expert on cardiovascular disease, and his knowledge and expertise make him credible and trustworthy. The correct answer is A.

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Answer:

Care for someone with White blood cell of 8000 first

Explanation:

This is because white blood cells are essential cells in the body which help to fight infections and destroy any foreign Invaders or bacteria that may want to enter the body. These are essential for the total health and well-being of a person. Enough of white blood cell prevent infections and make a person strong compare to platelet which help to form blood clot.

Answer:

When the pancreas doesn't naturally secrete digestive enzymes, it affects your body's ability to break down the foods you eat and absorb nutrients. This can lead to malnutrition as well symptoms such as bloating, cramping, gassiness, and diarrhea.

Explanation:

It is true that most mammals have 1000 or more genes that encode receptor proteins on the surface of odor-receptor neurons but the number of genes alone does not necessarily dictate the quality of a mammal's sense of smell. In addition to the number of genes, there are several other factors that can affect a mammal's olfactory ability.

One important factor is the size and complexity of the olfactory bulb, which is the part of the brain that receives and processes information from the olfactory receptor neurons. Mammals with larger olfactory bulbs tend to have a better sense of smell because they are able to process a greater amount of olfactory information.

Another factor is the structure of the olfactory receptor neurons themselves. Some mammals have receptor neurons that are more densely packed or have a greater surface area, which allows them to detect more odor molecules.

The type of environment in which a mammal lives can also play a role in its sense of smell. Mammals that rely heavily on their sense of smell to find food or avoid predators, such as dogs and rodents, tend to have a better sense of smell than those that do not rely as heavily on olfaction.

Finally, genetic differences between species can also account for variations in olfactory ability. Some species may have evolved to have more sensitive or specialized olfactory receptors in order to better detect certain types of odors.

In summary, while the number of genes encoding receptor proteins is important, a mammal's sense of smell is influenced by a combination of factors including the size and complexity of the olfactory bulb, the structure of the receptor neurons, the environment in which the mammal lives, and genetic differences between species.

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Cells in animals function together to form tissues. The four main types of tissues in animals are epithelial, connective, muscular, and nervous. The correct options are 1,3,4, and 5.

In animals, cells come together to form tissues, which are groups of cells that work together to perform specific functions. There are four main types of tissues in animals:

Thus, the correct options are  1,3,4, and 5.

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All - growth, exchange of gases, excretion, reproduction, and death (option d).

All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:

A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.

B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.

C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.

D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.

Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.

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I think the answer should be the fact that water is a polar molecule.

This means it will attract other molecules which are polar (adhesion), including itself (cohesion).

I'm not sure about the last part of the question (high specific heat capillary action, the wording is a little confusing), but I think the reason why water has a high specific heat is the hydrogen bonds. Hydrogen bonding is the strongest kind of bond you can have in a molecule, so it would be harder to break those bonds, even with high heat.

Answer:

The polarity of water

Diatoms are single-celled algae that form distinctive and beautiful cell walls from silica. They are widely distributed throughout the upper layers of the world's oceans, and can also be found in freshwater or humid environments such as the underside of plants. When nutrients are plentiful, large diatoms predominate at the trophic level of the producer, and copepods replace their diet of ciliated protists with diatoms. When nutrient levels are low, the proliferation of small algae outnumbers that of large diatoms, so copepods switch their diet and switch to feeding on ciliates.

The main morphological characteristic of diatoms is the cell wall impregnated with silica (SIO2. nH2O), surrounded by a thin layer of organic matter, known as FRUSTULA.

Whit this information we can conclude that When nutrient levels are low, the proliferation of small algae outnumbers that of large diatoms, so copepods switch their diet and switch to feeding on ciliates.

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Answer:

handy mandy

Explanation:

Answer:

reduced slopes, rubber membrane and a water tube

Explanation:

Answer:

Addition of large amounts of water to leach out salts

Explanation: Hope it helps

Reversing soil salinity is time-consuming and costly. Improving irrigation channels, capturing and processing salty drainage water, building desalting facilities, and enhancing aquifer recharge are possible solutions.

The amount of salt that is present in the soil is referred to as its salinity, and the process of increasing the amount of salt in the soil is referred to as salinization. Salts can be found in both the soil and the water naturally. Natural processes like the weathering of minerals can lead to salination, as can the slow removal of water from an ocean over time.

Reducing the amount of salt in the soil is an expensive and time-consuming process. The improvement of irrigation channels, the collection and treatment of salty drainage water, the construction of desalting facilities, and the enhancement of aquifer recharge are all potential solutions.

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'3-hydroxy-2-propylheptanal' product results when pentanal is heated with sodium hydroxide.

The chemical compound pentanal, often known as valeraldehyde, has the molecular formula C 4H 9CHO. It is a volatile liquid that is categorised as an alkyl aldehyde. Its aroma has been compared to fermented bread, fruity, nutty, and berry scents.

Pentanal is a flavouring compound with flavours of almond, fruit, and bread. It has a fermented, bready, fruity, nutty, and berry scent. Pentanal is a chemical that is used in industry to make resin and to speed up the polymerization of rubber.

Caustic soda or lye are two other names for sodium hydroxide. It is a typical ingredient in soaps and cleansers. Sodium hydroxide is a white, odourless substance at ambient temperature. Sodium hydroxide is a colourless, odourless liquid. Strong acids and water can cause explosive reactions with it.

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B--| H --> M is transcribed as a influenced by two different proteins.

Transcription is the process in which segment of DNA is copied into RNA. In general Initiation of transcription is an very critical step in gene expression because it is the  point at which the cell regulates and select proteins that are to be produced and at decided rate.

Transcription process begins when RNA polymerase binds to a promoter sequence near the beginning of a gene . RNA polymerase uses one of the DNA strands which is also known as the template strand as a template to make a new, complementary RNA molecule.

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Answer:

oxidative phosphorylation is the metabolic cycle that produces the most net ATP per glucose molecule.

Answer:

4200u cubed

Explanation:

V = lwh

C is the correct response: heredity occurs through the passing of genetic instructions encoded in DNA, which are organized into chromosomes, and contain genes that code for specific proteins that determine an individual's traits.

Heredity is the transmission of genetic information from one generation to the next. This process occurs through the passing of DNA from parent to offspring. DNA is the genetic material that carries the instructions for the development and function of all living organisms. It is organized into structures called chromosomes, which are located in the nucleus of each cell.

Genes are segments of DNA found on chromosomes that code for specific proteins. Each gene provides instructions for a particular characteristic, such as eye color or blood type. The combination of genes inherited from both parents determines an individual's traits.

During reproduction, cells divide and the DNA contained in chromosomes is replicated, creating copies of the genetic information. These copies are then passed down to the offspring, allowing for the inheritance of traits from the parents.

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Polymers are are long chains of molecules that are made up of repeating units called monomers.

2. The most common synthetic fibre is plastic.

3.Numerous aspects of our society face challenges as a result of the rising rate of production of plastic. It is causing problems with waste and pollution, affecting our health, and posing a threat to our oceans and wildlife.

4. Synthetic fibres are of four types, namely: Rayon, Nylon., Polyester, Acrylic.

5. Fashion uses synthetic and chemically made fibers like polyester, nylon, and acrylic, as well as semi-synthetic cellulosic fibers like viscose, rayon, modal, and lyocell.

The absolute most outstanding benefit of manufactured strands is their minimal expense contrasted with different sorts of materials.

The aerospace, apparel, architecture and construction, automotive and transportation, chemical processing, electrical and electronic, filtration, marine, medical, and welding industries all make use of synthetic fibers and fabrics.

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Answer:

D

Explanation:

Shearing is causing the plates to slide past each other describes the motion of the plates. Therefore, the correct statement is option B.

Plate motion is caused due to movement of the underlying mantle creating convection currents to drive the plates. When two plates meet, the type of motion depends on the type of boundary.

The plates move past each other in a shearing motion at a transform boundary that is the cause of earthquakes. In this type of boundary, no destruction of the lithosphere was observed.  The two plates move away from each other to create new lithosphere as magma rises from the mantle at a divergent boundary.

The two plates move towards each other which can result in volcanic activity at a convergent boundary.

Therefore, shearing causing the plates to slide past each other best describes the motion of the plates.

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Acid deposition is the deposition of acidic compounds from the atmosphere to the Earth's surface. It is caused by natural sources like volcanoes and human activities such as burning fossil fuels. Chemical equations include \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\) and NOx + \(O_2\) + \(H_2O\) → \(HNO_3\). Acid deposition can be wet or dry, harming ecosystems and causing damage to structures. The effects of acid deposition are far-reaching. It can lead to the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect the growth and survival of plants and animals. Acid deposition can also damage buildings, statues, and monuments made of limestone or marble, as these materials are particularly susceptible to erosion by acids.

Acid deposition refers to the deposition of acidic compounds from the atmosphere onto the Earth's surface.

Sources of acid deposition include natural sources like volcanic emissions and the oxidation of sulfur and nitrogen compounds, as well as human activities like burning fossil fuels.

The chemical equations involved in acid deposition formation are:

  a. Formation of sulfuric acid: \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\)

  b. Formation of nitric acid: NOx + \(O_2\) + \(H_2O\) → \(HNO_3\)

Acid deposition can be classified into two types: wet deposition and dry deposition.

  a. Wet deposition occurs when acidic pollutants dissolve in precipitation and are deposited onto the Earth's surface.

  b. Dry deposition happens when acidic particles and gases settle directly onto the ground or other surfaces without being dissolved in precipitation.

The effects of acid deposition include the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect plant and animal life. It can also cause damage to buildings, statues, and monuments made of limestone or marble.

A visual representation of the sources, formation, and precipitation of acid deposition can be illustrated through a diagram or drawing. This can show the emission sources, chemical reactions, and the deposition of acidic compounds onto the Earth's surface.

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Answer:

The concentration of a substance is the quantity of solute present in a given quantity of solution.

Answer: herbivores will most likely thrive in this environment.

Answer:

A. Through geologic forces leading to continental drift.

B. It can take up to millions of years.

Explanation:

A. Continents rest on tectonic plates (a large slabs of rock). The plates are usually moving and interacting with one another. Seafloor spreading zones and giant rift valleys are the sites where tectonic activity are done.

However, in the process of seafloor spreading, molten rock emerges from within the Earth and produces an oceanic crust (a new seafloor) to the edges of the old one. Seafloor spreading occurs along giant underwater mountain ranges (also referred to as mid-ocean ridges).

Then, as the seafloor grows wider, the continents on opposite sides of the ridge move away from each other over time to experience a define continental drift.

B. The seafloor spreading rates is as low as 2.5 centimeters per year and take up to millions of years to see a well defined drift.

The correct matching of the cell organelles and their functions are:

Cell organelles are specialized structures found within the cells which perform specific functions.

Cells organelles are considered as small organs or mini-organs within cells.

The cell organelles may be classified into:

Some of the cell organelles and their function include:

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Note that the complete question is given below:

Complete the following table by writing the name of the cell part or organelle in the right hand column that matches the structure/function in the left hand column. A cell part MAY be used more than once.

Stores material within the cell vacuole

Closely stacked, flattened sacs (plants only) chloroplast /granum

The sites of protein synthesis ribosome

Transports materials within the cell vesicles

The region inside the cell except for the nucleus cytoplasm

Organelle that manages or controls all the cell functions

in a eukaryotic cell nucleus

Contains chlorophyll, a green pigment that traps energy

from sunlight and gives plants their green color chloroplast

Digests excess or worn-out cell parts, food particles and

invading viruses or bacteria lysosome

Small bumps located on portions of the endoplasmic

reticulum ribosomes

Provides temporary storage of food, enzymes and waste

products vesicle

Firm, protective structure that gives the cell its shape in

plants, fungi, most bacteria and some protests cell wall

Produces a usable form of energy for the cell mitochondria

Packages proteins for transport out of the cell Golgi body

Everything inside the cell including the nucleus cytosol

Site where ribosomes are made nucleolus

The membrane surrounding the cell plasma membrane

Provides support for the cell, has two “subparts” Lipid bilayer

Name for the collection of DNA in the nucleus of eukaryotic cells Chromosome/chromatin

This could be wrong but, he said that we take 50% from each parent.

23 from mom and 23 from dad to make up the full 46. Each of those chromosomes carry a specific genetic code.

Hope it’s right :)

Answer:

"There are several hypotheses to explain specialisation: one suggests that animals adapt to eat certain foods and this prevents them from eating other types of food," said Tosh. He added: "For example, cows have evolved flat teeth which allow them to chew grass but they are unable to efficiently process meat.

Answer: Option 2- Antibodies present in Recipient plasma. 

Answer:

When determining blood type compatibility before a transfusion, the most important detail about the recipient is their blood type. Specifically, the ABO blood group system is the most important factor to consider. The ABO system includes four blood types: A, B, AB, and O, which are determined by the presence or absence of specific antigens on the surface of red blood cells.

For a successful transfusion, it is important to match the donor's blood type with the recipient's blood type. For example, a person with blood type A can only receive blood from a donor with blood type A or O, but not from a donor with blood type B or AB. Similarly, a person with blood type B can only receive blood from a donor with blood type B or O, but not from a donor with blood type A or AB.

In addition to the ABO blood group system, the Rh factor (positive or negative) should also be considered to ensure compatibility between the donor and recipient.

Explanation:

Answer: the answer is D. 4

Explanation: i got it right

Answer:

51

Explanation:

51% solar radiation is absorbed at earth's surface.

Solar radiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument. Solar irradiance is measured in watts per square metre in SI units.

Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of technologies.

Symptoms are extreme nervousness and confusion; severe nausea, vomiting, and watery diarrhea; loss of consciousness; and burning sensations of the skin. Onset occurs within minutes of exposure.

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The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.

Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.

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