which is not an example of a molecule?
a)NCI3
b)O3
c)H2O2
d) F

Answer:

the first blank is the physical properties

the second blank is the pH of the solution

Explanation:

Answer:

Explanation:

The variables for this experiment include the physical properties of the solutions and the pH of each solution. Use the drop-down menus to complete the sentences and identify the independent and dependent variables.

The independent variable, the one that is intentionally manipulated, is

✔ the physical properties

.

The dependent variable, the one that you measure the response in, is

✔ the pH of the solution

.

Answer:

Convergent

Explanation:

In particular, ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. At many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench.

Answer:

Im pretty sure its convergent!

Explanation:

Explanation:

27.The membrane is semi permeable so only some things are able to travel through the membrane.

a)the salt will move from salt high concentration to low concentration with its gradient through diffusion.

b)The glucose particles will stay where they are because they can not cross the membrane.

c)the water will also move from right to left due to osmosis. the water will want to make the concentration of glucose on both sides equal so it will move from a low to high concentration.

Answer:

Explanation:

I need the points.

There are various factors that affect or lead to the soil erosion.

What is soil erosion?

Soil erosion is a gradual process of movement and transport of the upper layer of soil (topsoil) by different agents – particularly water, wind.

Intensity:- Slity soil are mostly affected from the wind erosion.

Vegetation:- There are no natural forest and grasses in locality.

Topography:-There are very steep slopes and other farmers have planted thier crops.

Soil properties: Andrea's area experiences very rainfall throughout the year

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The body needs both salivary α-amylase and pancreatic α-amylase because salivary α-amylase breaks down starches in the mouth, while pancreatic α-amylase breaks them down in the small intestine.

Salivary α-amylase is a type of digestive enzyme that is found in the saliva. It is an enzyme that helps in breaking down carbohydrates into simpler sugars that can be easily absorbed by the small intestine.

Pancreatic α-amylase is a digestive enzyme that is produced in the pancreas and helps to break down carbohydrates in the small intestine. The pancreas releases pancreatic amylase into the small intestine, which breaks down any remaining carbohydrates that were not digested by salivary amylase in the mouth.

In conclusion, both salivary α-amylase and pancreatic α-amylase are required by the body to help in the digestion of carbohydrates, but they break down carbohydrates in different locations in the digestive system. Salivary α-amylase works in the mouth, while pancreatic α-amylase works in the small intestine.

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The given statement is A. true. Natural selection acts on individuals and it is the populations that evolve. Natural selection is the process that results in the evolution of organisms. It involves the selection of advantageous traits and traits that are heritable pass to the next generations.

Natural selection acts on individuals, but evolution occurs in populations. Populations evolve by a change in the frequency of genes or alleles that lead to the evolution of new traits. It is not possible for an individual to change its genes. But, the genes get changed over time in the population through generations.

Thus, the entire population is affected over the years, leading to evolution. Biology is a natural science discipline that studies living things. It is a very large and broad field due to the wide variety of life found on Earth, so individual biologists normally focus on specific fields. These fields are either categorized by the scale of life or by the types of organisms studied. Therefore, the given statement is true.

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Answer: aneuploidy

A gain or loss in the number of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in cells instead of the normal two copies.

Answer:

It doesn’t pinch in for a plant cell because a plant cell has a cell wall. It grows a cell plate

I’m animals cells it should pinch in, but if it doesn’t, the cell can’t divide and you just end up with one cell containing 2 nuclei

Answer:

During osmosis, water molecules move from an area of lower concentration to an area of higher concentration. When there is a higher concentration of water molecules inside the cell, most water molecules will move out of the cell and the cell will swell. When there is a higher concentration of water molecules outside the cell, most water molecules will move into the cell and the cell will shrink.

following the diet which strictly avoid the intake of phenylalanine  will be the best treatment for phenylketonuria (pku) disorder

When a person with phenylketonuria (PKU) consumes foods high in protein or consumes aspartame, an artificial sweetener, a hazardous accumulation of phenylalanine can occur. Long-term health issues may result from this. Although PKU cannot be cured, early diagnosis and treatment can help avoid serious health issues as well as intellectual disability and other limits in one's capacity for thinking, understanding, and communication.

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The Punnett square for the cross between two individuals with genotypes ll would look like this

l l

l ll ll

l ll ll

All offspring will have the phenotype of long eyelashes.

Each parent contributes one "l" allele to each offspring, resulting in all offspring having the genotype ll. Therefore, the frequency of the ll genotype would be 100% in the offspring.

Since the "l" allele is recessive, individuals with the LL or Ll genotype would have the long eyelash phenotype, while individuals with the ll genotype would have the short eyelash phenotype.

In this case, all offspring have the ll genotype, which means they will all have the short eyelash phenotype.

Therefore, the frequency of the short eyelash phenotype would be 100% in the offspring.

In summary, the Punnett square shows that when two individuals with the ll genotype are crossed, all of their offspring will also have the ll genotype and express the short eyelash phenotype.

The frequency of the ll genotype and the short eyelash phenotype in the offspring would be 100%.

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Agents and brokers are the proper response.Agents and brokers are regarded as non-manufacturing traders because they enable trades by buying, selling, or even facilitating .

The things that they do not truly own or are not theirsIn plain English, a virtual retailer is one who conducts business exclusively online and does not deal with customers in a physical location like a shop or store.This is a contemporary business model where the company uses the internet to interact with a variety of clients. They frequently contract out other tasks, including order shipping, etc.A wholesaler is a person or business who sells things in bulk for a discount, usually to retailers.Those who sell things to the general public in comparatively modest quantities for use or consumption as opposed to resale are known as retailers.

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The frequency of the medication is Q12H. Therefore, the frequency of taking bactrim to treat UTI is 1Q12H X 10.

Here, "Q12H" stands for every 12 hours, which means the patient needs to take bactrim every 12 hours over the course of 10 days to treat the urinary tract infection (UTI). Urinary Tract Infection (UTI) is an infection that occurs when bacteria enters your urinary tract. The urinary tract includes the bladder, kidneys, urethra, and ureters. UTIs are a common type of infection, especially among women. The most common symptoms of UTIs include painful urination, frequent urination, and a feeling of urgency to urinate. Other symptoms may include cloudy or foul-smelling urine, abdominal pain, fever, and chills. If left untreated, UTIs can lead to serious complications like kidney infections. Therefore, prompt diagnosis and treatment are important to avoid complications.

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Answer:

Pepsin is the proteolytic enzyme that cleaves proteins into smaller peptides. Parietal cells produce and release gastric acid (hydrochloric acid) into the lumen of the stomach.

Explanation:

Answer:

x-rays

Explanation:

Answer:

Directly affects.

Explanation:

Climate, resources, and habitat size directly affect  carrying capacity of an ecosystem. Favourable climatic and environmental conditions increases the population of organisms to its maximum limit. More resources leads to increase in population of species in an ecosystem until carrying capacity. Habitat size also depends on carrying capacity which means higher carrying capacity can leads to bigger habitat size. Climatic change, Habitat destruction, introduced and invasive species and genetic pollution are factors that effect both biodiversity and population. Human activities causes pollution, destruction of habitat by cutting trees etc affects biodiversity.

RNA that has the ability to function as an enzyme is known as a ribozyme. Particular viruses, bacteria, plant organelles, and lower eukaryotes are the principal sources of ribozymes.

What are ribozymes?

Similar to how protein enzymes work, ribozymes are RNA molecules with the capacity to catalyze particular biochemical processes, such as RNA splicing in gene expression. It can function as a protein enzyme in a cell, catalyzing biochemical and metabolic processes because of its clearly defined tertiary structure. These RNA molecules are non-protein-containing enzymes. When Group I introns were shown to be operating as enzymes in Tom Cech's lab in 1982, ribozymes were first identified.

Hence the answer is, true.

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The target heart rate range for an 18-year-old with a resting heart rate of 60 who wants to work between 60 and 80 percent of her maximum heart rate is 141.2 bpm to 170.6 bpm.

Using the Karvonen Method:

The maximum heart rate (HRmax) :

HRmax = 220 - age.

For an 18-year-old, the maximum heart rate (HRmax) will be:

HRmax = 220 - 18

HRmax = 202 bpm

Therefore, the maximum heart rate (HRmax) for an 18-year-old is 202 bpm.

Heart rate reserve (HRR) :

HRR = HRmax - RHR (Resting Heart Rate).

RHR is the resting heart rate of the individual. For an 18-year-old with a resting heart rate of 60 :

HRR = HRmax - RHR

HRR = 202 - 60HRR = 142 bpm

Therefore, the heart rate reserve (HRR) for an 18-year-old is 142 bpm.

The target heart rate - 60% (THR 60%) :

THR 60% = (HRR x 0.6) + RHR

THR 60% = (HRR x 0.6) + RHR

THR 60% = (142 x 0.6) + 60

THR 60% = 141.2 bpm

Therefore, the target heart rate - 60% (THR 60%) for an 18-year-old is 141.2 bpm.

The target heart rate - 80% (THR 80%) :

THR 80% = (HRR x 0.8) + RHR

THR 80% = (HRR x 0.8) + RHR

THR 80% = (142 x 0.8) + 60

THR 80% = 170.6 bpm

Therefore, the target heart rate - 80% (THR 80%) for an 18-year-old is 170.6 bpm.

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When calcium ion binds to troponin: d. tropomyosin rolls away from the active site

This occurs because the calcium ions cause a conformational change in the troponin molecule, which in turn moves tropomyosin away from the active sites on the actin. This exposes the binding sites for myosin, allowing the muscle contraction process to proceed. This results in the tropomyosin molecule rolling away from the active site on the actin, which exposes the active sites on the myosin. This then allows the myosin heads to bind to the exposed active site on the actin, which causes the myosin to shorten. This shortening is what causes the muscle contraction and relaxation to occur.

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Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information.

Explanation:

prokaryotes have no nucleus

Osteomalacia disorder usually causes skeletal pain and involves significant bone demineralization from vitamin d deficiency.

Osteomalacia is a condition that causes the bones to become softer as a result of impaired bone metabolism, which is primarily brought on by insufficient levels of phosphate, calcium, and vitamin D in the body or by calcium absorption. Inadequate bone mineralization results from impaired bone metabolism. Due to the fact that osteomalacia in children is also known as rickets, the term "osteomalacia" is frequently only used to refer to the less severe form of the condition in adults. Diffuse body aches, muscle weakness, and bone fragility are just a few signs and symptoms that may appear. In addition to low levels of circulating mineral ions throughout the body (caused, for instance, by vitamin D deficiency or renal phosphate wasting), which reduce bone and tooth mineralization, there is also an accumulation of proteins and peptides that prevent mineralization.

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There are some voluntary reactions to temperature: When it gets too warm, we take off our jackets. Some are unavoidable: The heat makes us wilt. By contracting our muscles, or shivering, in chilly weather, our bodies produce heat.

How do our bodies occasionally function like a thermostat device?

How occasionally do our bodies function like a thermostat? When we are very heated, our perspiration assists us to cool down. And because our body is attempting to restore to normal temperature when we are too cold, we get fever and get quite hot.

How does the homeostasis gadget work?

You can investigate how the human body maintains a virtually constant temperature under various circumstances using the Human Homeostasis Gizmo. Keep an eye on the body and air temperature thermometers.

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Answer:

The very first DNA isolation was done by a Swiss physician, Friedrich Miescher in 1869. He hoped to solve the fundamental principles of life, to determine the chemical composition of cells.

Explanation:

The first plant DNA ISOLATION was done by Friedrich Miescher in 1869.

Answer:

Metaphase

Explanation:

Metaphase, which is the stage between Prophase and Anaphase, is when the chromosomes line up at the equator of the cell, where their centromeres are attached to the spindle.

Answer:

Metaphase

Explanation:

Metaphase, which is the stage between Prophase and Anaphase, is when the chromosomes line up at the equator of the cell, where their centromeres are attached to the spindle.

Answer:

The cell theory states that:

1) The cell is the structural and functional unit of life.

2) All living organisms are made up of cells.

3) All cells come from previously existing cells.

4) There is no life apart from the life of cells

5) All living things are either single cells (unicellular) or group of cells (multicellular)

A Mendelian monohybrid cross is a type of genetic experiment that was first performed by Gregor Mendel, the father of modern genetics.

In a Mendelian monohybrid cross, two individuals with different traits are crossed to study the inheritance of a single trait (monohybrid) in their offspring.

For example, consider a cross between two pea plants, one with tall stature (dominant trait) and the other with short stature (recessive trait). In the F1 generation, all offspring will have tall stature due to the dominant nature of the trait.

However, in the F2 generation, the offspring will show a 3:1 ratio of tall to short stature, as the recessive trait is expressed in 25% of the population.

This type of experiment is used to demonstrate the principles of dominant and recessive inheritance, segregation of alleles, and the concept of phenotype and genotype.

The results of a Mendelian monohybrid cross are used to predict the inheritance of traits in future generations and to understand the underlying genetic mechanisms responsible for the expression of traits in a population.

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The development of second-line and third-line antimicrobial agents demonstrates the difficulty of treating microorganisms with antibiotic resistance.

An antimicrobial agent is a substance that either eliminates or inhibits the growth of bacteria. Antimicrobial drugs can be categorized based on the microorganisms they are most effective against. Antibiotics are used to treat bacteria, whereas antifungals are used to treat fungi. They can also be categorized based on how they are used. Microbicides are substances that kill microorganisms, while bacteriostatic substances just prevent their growth. Antimicrobial prophylaxis and antimicrobial chemotherapy are the terms used to describe the use of antimicrobial medications to treat and prevent infections, respectively. Antiseptics, which are given to living tissue and assist avoid infection during surgery, disinfectants (non-selective agents, like bleach), which kill a variety of germs on non-living surfaces, and antibiotics are the three primary categories of antimicrobial agents (which destroy microorganisms within the body). The term "antibiotic," which once only applied to preparations made from living bacteria, is now also used to denote synthetic substances like sulfonamides and fluoroquinolones.

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