why virus is imortal?​

Answer:We need a reference point as if we don’t have a reference point we can’t guess its motion

suppose you have a object at a point A the reference point and it moves to point B, you can say that it shows motion as there is change in position.

so we need reference point for a object to tell if it is moving unless it is quantum machnics

Explanation: communicztio n

In the tertiary structure of a protein the amino acid side chains of the folded polypeptide interact, forming a complex protein.What is a protein?

Proteins are made up of long chains of amino acids that fold into complex three-dimensional shapes. They are essential components of every living cell and participate in almost every biological process.Protein folding is the process by which a protein assumes its biologically active shape, which is essential for its proper function. The three-dimensional structure of a protein determines its function and its ability to interact with other molecules.A protein's tertiary structure is determined by the interactions between the amino acid side chains of the folded polypeptide. These interactions include hydrogen bonding, van der Waals interactions, hydrophobic interactions, and ionic bonding. They play a critical role in determining the protein's stability and function.

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The logistic growth formula is a simplified expression of population increase in a constrained setting with limited resources and available space.

The   logistic growth formula  is:

\(dP/dt = rP(K-P)/K\)

where \(dP/dt\) is the population's change over time, r is the growth rate, P is the population's size, and K is the carrying capacity or the most people the ecosystem can sustain. The population expands at a rate determined by the growth rate r. The population expands more quickly as the growth rate rises. Still, ultimately it hits a limit where it can no longer continue that expansion rate owing to a lack of resources and available space. After it achieves a maximum carrying capacity, when the population size stabilizes, the population growth rate slows down.

As a result, the population will initially increase more quickly with a greater growth rate, but ultimately it will hit a maximum carrying capacity and stabilize. The population's growth trajectory and the largest size it may achieve in a certain setting are both influenced by the growth rate.

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The sequence of nucleotide bases in the DNA molecule,is a  part of a DNA molecule is responsible for the direct coding of specific traits in an organism.

A polymer made of two polynucleotide chains that coil around one another to create a double helix is called deoxyribonucleic acid. All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four main categories of macromolecules that are necessary for all known forms of life, along with proteins, lipids, and complex carbohydrates (polysaccharides). Nucleotides are organic compounds made up of a phosphate and a nucleoside. They function as monomeric units of the key macromolecules found in all living forms on Earth, deoxyribonucleic acid (DNA), and ribonucleic acid (RNA), which are both nucleic acid polymers.

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complete question:Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?

a. The number of hydrogen bonds that hold the strands of DNA together.

b. The number of carbons in the DNA molecule.

c. The sequence of nucleotide bases in the DNA molecule.

d. The sequences of phosphates along each DNA strand.

A likely ecological impact of crop rotation is that it ensures the presence of a single type of nutrient in the soil. (option D)

Answer:

Explanation:What’s a cell? Well, on some level, it's a bag of goo. The plasma membrane—the outer boundary of the cell—is the bag, and the cytoplasm is the goo.

Of course, a cell is ever so much more than just a bag of goo. It's a complex, highly organized unit, the basic building block of all living things. And the plasma membrane and cytoplasm are actually pretty sophisticated.

The membrane is a delicate, two-layered structure of lipids and proteins, and it controls what can enter and exit the cell. Similarly, the cytoplasm of a eukaryotic cell consists not only of cytosol—a gel-like substance made up of water, ions, and macromolecules—but also of organelles and the structural proteins that make up the cytoskeleton, or "skeleton of the cell."

In this article, we’ll take a closer look at the plasma membrane and cytoplasm.

The plasma membrane

Both prokaryotic and eukaryotic cells have a plasma membrane, a double layer of lipids that separates the cell interior from the outside environment. This double layer consists largely of specialized lipids called phospholipids.

A phospholipid is made up of a hydrophilic, water-loving, phosphate head, along with two hydrophobic, water-fearing, fatty acid tails. Phospholipids spontaneously arrange themselves in a double-layered structure with their hydrophobic tails pointing inward and their hydrophilic heads facing outward. This energetically favorable two-layer structure, called a phospholipid bilayer, is found in many biological membranes. [Close-up of a phospholipid]

As shown below, proteins are also an important component of the plasma membrane. Some of them pass all the way through the membrane, serving as channels or signal receptors, while others are just attached at the edge. Different types of lipids, such as cholesterol, may also be found in the cell membrane and affect its fluidity.

Proteins are large chains of \(\sf\red{carbohydrates}\).

\(\sf\purple{B.\:False}\)✅

\(\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘\)

Answer:

Its false mate.

Explanation:

Had a similar question for an assignment in my preap biology class : P

Answer:

c. Historically low prices for oil

Explanation:

There are countless reasons as to why the world has been looking for other non-conventional fossil fuels but historically low prices for oil have not helped this endeavor. This is because lower prices causes increased demand for oil. Therefore, more people simply buy oil instead of looking for and purchasing other fuel solutions. Without this demand/interest for other fuels the progress is halted or at least staggered. On the other hand, higher global energy demand and depletion of oil reserves is what pushes the need to find non-conventional fossil fuels, while improved technology facilitates the extraction process of these fuels.

Answer:

a diploid spores that undergo mitosis.

Explanation:

Answer:

C. Deep-sea producers have adapted mechanisms to conduct photosynthesis with less visible light.

Explanation:

Since they are deep in the sea, they have adaptive mechanisms to conduct photosynthesis with less visible light.

Hope it helps.

Answer:

c.Choosing an alternative fuel to power a vehicle

Explanation:

Answer:

D

Explanation:

This is where people ride in groups which will reduce the amount of car which in turn will reduce pollution

The actual probability that the patient has the disease given a positive test result is approximately 0.6847, or 68.47%.

Bayes' theorem can provide the actual probability of the patient that has the disease can be determined.

The Bayes theorem predicts the likelihood that an event connected to any condition would occur.

Given,

P(D) = 0.10 (10% of people with the symptom have the disease)

P(T|D) = 0.99 (the test reveals the presence of the disease for 99% of people with the disease)

P(T|D') = 0.05 (the test reveals the presence of the disease for 5% of people without the disease)

P(D') represents the complement of event D, which is the event that the patient does not have the disease.

Let assume,

D: Event that the patient has the disease.

T: Event that the test reveals the presence of the disease.

By Bayes' theorem, we have:

P(D|T) = (P(T|D) × P(D)) / P(T)

To calculate P(T), we can use the law of total probability:

P(T) = P(T|D) × P(D) + P(T|D') × P(D')

So,

P(T) = (0.99 × 0.10) + (0.05 × 0.90)

      = 0.099 + 0.045 = 0.144

P(D|T) = (0.99 × 0.10) / 0.144

          ≅0.6847

Therefore, the probability is 0.6847 or 68.47%.

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Answer:

satured

Explanation:

A saturated solution can become supersaturated if more solute is added while the temperature is raised

EXPLANATION/ANSWER:

Since no trees are involved, it may be grassland. Grasslands are open areas with mostly grasses maintained by grazing animals like the impala seen in the photo.

There are more broilers than layers. Chickens are divided into two main groups: broilers and layers. Broilers are chickens that are raised for their meat, while layers are chickens that are raised for their eggs. One point of comparison between these two types of chickens is the number of broilers and layers. In general, there are more broilers than layers because broilers are raised in much larger numbers than layers. This is because the demand for chicken meat is much higher than the demand for eggs, so more chickens are raised for meat than for eggs. Therefore, the answer to the question is that there are more broilers than layers.

The part of motivation that describes where you choose to invest your energy is called goal setting.

Goal setting is a crucial aspect of motivation as it involves determining and prioritizing specific objectives or targets towards which an individual directs their energy and efforts. When setting goals, individuals make conscious decisions about where to invest their time, resources, and energy. By defining clear and meaningful goals, individuals gain a sense of purpose and direction, which fuels their motivation and drives them to take action. Goal setting allows individuals to identify what they want to achieve, whether it's personal, academic, or professional, and helps them channel their energy towards those chosen areas. By aligning their actions with their desired outcomes, individuals are more likely to stay motivated, focused, and persistent in pursuing their chosen objectives.

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The cigarrettes have over 4.700 chemical substances and most of them are harmful or even poisonous, damaging your airways and the alveoli. The chemicals can affect our health in many ways, as they can damage DNA and make it harder for the cells to repair damaged DNA. Cancer usually is associated to a DNA damage, causing the damaged cell to replicate uncontrollably, creating a tumour. Therefore, damages in DNA structure can lead to a cancerous tumour.

Answer:

Smoking can cause cancer and then block your body from fighting it: Poisons in cigarette smoke can weaken the body's immune system, making it harder to kill cancer cells. When this happens, cancer cells keep growing without being stopped. Poisons in tobacco smoke can damage or change a cell's DNA.

Answer:

Cork is a protective tissue that separates the living cells of the plant from the outside environment. The formation of cork in the periderm is the result of the activity of a secondary meristem, the cork cambium, or phellogen.

Explanation:

Answer:

C

Explanation:

Lig is required for chloroform

However, father's use of barbiturates interacts with a mother's use of marijuana, resulting in missing chromosomes on a child's 8th pair. This statement is not true, which makes option C incorrect.Father's use of crack cocaine causes sperm mutations, such that two sperm are capable of fertilizing a single ovum.

The father's use of alcohol or illegal drugs can affect his sperm, which in turn may lead to chromosomal damage that affects the fetus. This is how a father's habits can affect the health of an unborn child during prenatal development. It is important to note that the consumption of drugs, including alcohol, by expectant fathers poses significant risks to the developing fetus. Maternal alcohol or drug use, such as marijuana or cocaine, has long been known to have detrimental effects on the developing fetus, however, the negative effects of paternal alcohol or drug use on the fetus have only recently come to light. Nicotine intake does not produce DNA changes that are passed to the fetus on chromosome 23. Therefore, option B is incorrect . Barbiturates are a class of drugs that are used to treat a range of conditions, including anxiety and sleep disorders. They can be dangerous when taken improperly, leading to dependence and addiction. However, father's use of barbiturates interacts with a mother's use of marijuana, resulting in missing chromosomes on a child's 8th pair.

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Answer:

D. Nucleotides.

Explanation:

Answer:This is an example of asexual reproduction.

Explanation:

Reproduction is defined as the ability of living organisms to produce offspring, that is, new individuals of their type. Living organisms have developed many methods of reproducing. These can be either ASEXUAL or SEXUAL.

Asexual reproduction: In asexual reproduction, an individual produces an offspring by itself, that is, only one parent is present. This type of reproduction is common among flowering plants. Examples of asexual reproduction includes:

--> Fission

--> Budding

--> Spore formation

--> Fragmentation and

--> Vegetative propagation.

The sweet potato vine is reproduced by an asexual means known as vegetative propagation. Here, a new plant grows from any portion of an old one other than the seeds. When stem cutting are taken from the vine, new storage roots are formed within few days.

Brady took a cutting from a sweet potato vine in his family garden and placed the vine in a small vase filled with water. After about a week, tiny roots had begun to grow which is an example of - Asexual reproduction.

Thus, The given case shows an example of - asexual reproductions.

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Answer:

Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence.

Explanation:

To identify an individual involved in a crime, criminologists analyze DNA from a suspect's blood and compare the DNA profile to samples found at the crime scene.

DNA profiling, also known as DNA fingerprinting, is a technique that analyzes the unique DNA sequence of an individual to create a profile that can be used to identify them. This technique is highly accurate and is commonly used in criminal investigations to determine if a suspect's DNA matches DNA found at a crime scene.

The process of DNA profiling involves extracting DNA from a sample, amplifying specific regions of the DNA through polymerase chain reaction (PCR), and then comparing the resulting DNA profile to other samples to determine if there is a match. The samples used for comparison can come from a variety of sources, including blood, saliva, hair, skin cells, and other bodily fluids.

By comparing the DNA profiles of a suspect and evidence from a crime scene, criminologists can determine whether the suspect was present at the scene of the crime and whether they were involved in the commission of the crime. This information can be used to support or refute the prosecution's case against the suspect and can be a critical piece of evidence in a criminal trial.

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False - Inadequately managed waste and littered waste are not the same thing.

Milk jugs and plastic straws can also contribute to plastic pollution, but plastic bags are particularly problematic due to their widespread use and disposal practices.

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Answer:

Burning fossil fuels, cutting down forests and farming livestock are the main factors of global warming

Explanation:

for further explanation

2011-2020 was the warmest decade recorded, with global average temperature reaching 1.1°C above pre-industrial levels in 2019. Human-induced global warming is presently increasing at a rate of 0.2°C per decade.

An increase of 2°C compared to the temperature in pre-industrial times is associated with serious negative impacts on to the natural environment and human health and wellbeing, including a much higher risk that dangerous and possibly catastrophic changes in the global environment will occur.

For this reason, the international community has recognised the need to keep warming well below 2°C and pursue efforts to limit it to 1.5°C.

Greenhouse gases

causes_greenhouse_gases

The main driver of climate change is the greenhouse effect. Some gases in the Earth's atmosphere act a bit like the glass in a greenhouse, trapping the sun's heat and stopping it from leaking back into space and causing global warming.

Many of these greenhouse gases occur naturally, but human activities are increasing the concentrations of some of them in the atmosphere, in particular:

carbon dioxide (CO2)

methane

nitrous oxide

fluorinated gases

CO2 produced by human activities is the largest contributor to global warming. By 2020, its concentration in the atmosphere had risen to 48% above its pre-industrial level (before 1750).

Other greenhouse gases are emitted by human activities in smaller quantities. Methane is a more powerful greenhouse gas than CO2, but has a shorter atmospheric lifetime. Nitrous oxide, like CO2, is a long-lived greenhouse gas that accumulates in the atmosphere over decades to centuries. Non-greenhouse gas pollutants, including aerosols like soot, have different warming and cooling effects and are also associated with other issues such as poor air quality.

Natural causes, such as changes in solar radiation or volcanic activity are estimated to have contributed less than plus or minus 0.1°C to total warming between 1890 and 2010.

the correct answer is 12

Answer:

One is the expanding model, which says that the universe is Constantly increasing in size.

Explanation:

I believe its that

Answer:

In a short way, if an object is moving away, the light that comes from that object will have a red shift (it seems a little more reddish than it actually is)

If the object is moving towards us, the light that comes from the object will have a blue shift (it seems a little more blueish than it actually is)

Those shifts can be observed from the Earth, so from that is safe to conclude that the expanding model is actually correct.

Explanation:

Answer:

The answer is.  A. Grow

Explanation:

Have a great day or night !

Answer:

the answer is A

Explanation: