What is the lowest paying career in family and community services

Answer:Scientists have discovered a wealth of evidence concerning human evolution, and this evidence comes in many forms. ... Advances in the dating of fossils and artifacts help determine the age of those remains, which contributes to the big picture of when different milestones in becoming human evolved.

Explanation:

The answer to the given question is that more than 100 percent of energy is transferred between the levels indicated by the blue arrows.

This is because the blue arrows show the flow of energy between trophic levels in an ecosystem and there is always a loss of energy in each transfer due to metabolic processes like respiration and incomplete digestion.The transfer of energy between trophic levels of an ecosystem is known as the energy pyramid. In general, only 10% of the energy at one level is available to the next level. For example, if the primary producers contain 10,000 units of energy, then only 1,000 units of energy will be transferred to the primary consumers.

However, some energy can be lost due to factors such as heat loss from the body of organisms, incomplete digestion, and inefficiencies in energy transfer mechanisms. Therefore, it is possible for more than 100% of energy to be transferred between the levels indicated by the blue arrows. Therefore, the correct answer is not given in the option, it is more than 100 percent.

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Answer:

Sustainable farming may be more labor intensive. Organic produce has less pesticide residue. ... Sustainable agriculture has less soil degradation.

Explanation:

DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.

DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

You will find the labelled Image in the attached files.

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Acetylcholine is the neurotransmitter involved in a cholinergic synapse.What is a cholinergic synapse?A cholinergic synapse is a form of synaptic transmission that involves the neurotransmitter acetylcholine (ACh).

ACh is a neurotransmitter that is generated from acetyl-CoA and choline in the presynaptic terminal through the action of the enzyme choline acetyltransferase.The neuron which releases acetylcholine is known as a cholinergic neuron.

The postganglionic fibers of the parasympathetic nervous system and the preganglionic fibers of both the sympathetic and parasympathetic nervous systems are cholinergic fibers, for instance. The most commonly known cholinergic system is the neuromuscular junction, which is the synapse between motor neurons and muscle fibers.

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Answer:

Explanation:

H

Answer:

25 cuz thers rrr then R

Explanation:

Answer:

Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.

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Explanation:

Explanation:

Option B is the answer.

hope it helps.

glycocalyx  an important virulence factor as it impairs phagocytosis of Bacteroides spp.  Antibiotic resistance occurs when bacteria change in response to the use of these medicines. Bacteria, not humans or animals.

glycocalyces are seen in prokaryotic cells while eukaryotic cells can also have glycocalyces particularly observed in single celled eukaryotic organisms.

The glycocalyx in eukaryotic cells do same functions as that of the prokaryotic cells' glycocalyx. It functions for cell to cell interaction, for adhesion to surfaces, and involve in  protection.

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Answer:

Explanation:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.

Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs.

The only job of the pulmonary artery is to carry deoxygenated blood from the heart to the lungs.

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Answer:

1.61 g/cm³

Explanation:

A student measures a mass of an 8cm³ block of brown sugar to be 12.9g .what will the density be ?          

Formula : D(density)=m(mass) / v (volume)         UNIT is g/cm³

12.9g/8cm³= d(density)

we will divide them and we will get 1.61 g/cm³

Answer:

The Basal layer

Answer:

1

Explanation:

he was able to find chromosomes in plants

Gregor Mendel's research on pea plants led him to the fundamental ideas of inheritance. He came to the conclusion that genes are inherited as distinct, paired units from each parent.

What is Non-Mendelian Inheritance?

Inheritance of features with a more complicated genetic base than one gene with two alleles and total dominance is referred to as non-Mendelian inheritance.

One allele may not always be dominant over another, resulting in a phenotype that falls between the two parents in certain people.

Incomplete dominance is the name given to this inheritance pattern. Snapdragon flowers, for instance, exhibit partial dominance.

When both alleles are present at the same time, this pattern of inheritance is referred to as partial dominance, since neither allele is totally dominant over the other.

Therefore, red and white snapdragons cross to produce exclusively pink progeny.

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The given scenario involves a patient with traumatic brain injury who has been diagnosed with an IV drip containing Na+ at a concentration of 513 mmol/L. The patient's cells have an intracellular Na+ concentration of 154 mmol/L. In this situation, water will move out of the cells.

The correct option is C. Water will move out of the cells.Why will water move out of the cells?In this situation, water will move out of the cells because of the process of osmosis. Osmosis is the process by which water moves from an area of low solute concentration to an area of high solute concentration. In this scenario, there is a higher concentration of Na+ ions in the extracellular fluid (513 mmol/L) than the intracellular fluid (154 mmol/L). Due to this, water will move out of the cells into the extracellular fluid where the concentration of Na+ ions is higher.

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Answer:

A cell spends most of its time in (M phase) or metaphase, this is when the cell divides. The Ameba sisters videos can help you.

Explanation:

1. Plasmogamy

2. Karyogamy

3. Meiosis and germination

Therefore, the correct option is:

E. Plasmogamy, karyogamy, meiosis and germination.

The difference in height between the two bottles is 30 millimeters.

To calculate the difference in height between the two bottles in millimeters, we need to convert the heights from centimeters to millimeters and then subtract one from the other.

First, we convert the height of the first bottle from centimeters to millimeters. Since there are 10 millimeters in a centimeter, we can multiply the height of 12 centimeters by 10 to get the height in millimeters:

12 centimeters * 10 millimeters/centimeter = 120 millimeters.

Next, we convert the height of the second bottle from centimeters to millimeters using the same conversion factor. We multiply the height of 15 centimeters by 10:

15 centimeters * 10 millimeters/centimeter = 150 millimeters.

Now that we have both heights in millimeters, we can calculate the difference. We subtract the height of the first bottle from the height of the second bottle:

150 millimeters - 120 millimeters = 30 millimeters.

Therefore, the difference in height between the two bottles is 30 millimeters.

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Answer:

nosexd

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Explanation:

The factors responsible for holding the lungs to the thorax wall are **b. surface tension from pleural fluid and negative pressure in the pleural cavity**.

The lungs are surrounded by two layers of pleura, which are thin membranes. The outer layer, called the parietal pleura, lines the thoracic cavity, while the inner layer, known as the visceral pleura, covers the lungs themselves. Between these two layers is a small space called the pleural cavity, which contains a small amount of pleural fluid.

The surface tension created by the pleural fluid and the negative pressure in the pleural cavity are the primary factors that hold the lungs to the thorax wall. The surface tension between the pleural membranes causes them to adhere to each other, keeping the lungs in close contact with the thoracic wall. This cohesion allows the lungs to expand and contract with the movement of the thoracic cavity during breathing.

Additionally, the negative pressure in the pleural cavity, relative to the pressure in the lungs, further helps in holding the lungs to the thorax wall. This negative pressure is created by the elastic recoil of the lungs and the expansion of the thoracic cavity during inspiration.

In summary, the factors responsible for holding the lungs to the thorax wall are the surface tension from pleural fluid and the negative pressure in the pleural cavity.

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Answer:

Invasive species

Explanation:

Ecosystems are very delicate and need many species to maintain balance. However, invasive species are unnecessary. Invasive species are animals or plants that are introduced into an environment that they did not originate in or are not native to. They tend to hurt the ecosystem because they consume resources that the native species need.

Answer:

Invasive species

Explanation:

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Explanation:

surplus carbon in atmosphere...phenomenon, . makes the Earth very warm. helps plants on land...

By the addition of more surplus carbon to the atmosphere, the natural greenhouse effect gets changed which causes global temperature to rise and hence global warming.

The greenhouse effect is heat which is trapped close to Earth's surface by the presence of greenhouse gases. These heat-trapping gases can be considered as a blanket wrapped around the Earth that keeps the planet warmer than it would be without them.

The increases in carbon dioxide are caused primarily by the human activities as carbon is produced by burning fossil fuels, pollution, etc. The disruption to Earth's climate equilibrium is caused by the increased concentrations of greenhouse gases which lead to an increase in the global surface temperature of the planet.

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when dna is being synthesized, if we consider that a replication fork moves at a rate of 1000 bases per second, how many revolutions per minute (rpm) must the dna ahead of the replication fork turn given that there are 10 bp per turn rpm means revolutions per minute are 6000

We must first need to  determine the number of spins made in a minute in order to compute the revolutions per minute (RPM) of the DNA prior to the replication fork.

The replication fork moves 60 seconds * 1000 bases/second, or 60000 bases, in a minute because it moves at a speed of 1000 bases per second.

Given that there are 10 bases every turn, there are 6000 turns made in a minute, or 60000 bases divided by 10 bases per turn.

Therefore, the DNA's RPM just before the replication fork is 6000 twists per minute.

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Answer: Enables the spermatozoa to penetrate the ova

Explanation: It contains certain digestive enzymes (hydrolytic enzymes) that helps the sperm to tunnel through the zona pellucida of the ova. It mediates the union and binding of the membrane with the egg.

Basically, although all cells in the human body have the same DNA, they have different genes in that DNA turned on or off to change what proteins are produced, and thus that cell's structure and function

It is evident that no two cells are the same. For instance, it is clear that the cells in our eyes and heart function extremely differently from one another. Our skin and liver cells share the same characteristics. the cells in our brain and muscles. Or any of the over 300 other cell types.

Because they employ the same set of genes in various ways, these cells differ from one another. Therefore, despite the fact that each of our cells has roughly 20,000 identical genes, each cell may choose which genes to "turn on" and which to keep "shut off.

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Answer:

1st one is no, i think the second is no

Explanation:

hypothesis is an if-then statement and predictions are made based off the hypothesis

hypothesis ex: "if you get at least 6 hours of sleep, [then] you will get better grades on tests than if you get less sleep."

prediction: "i will get a lower grade if I get 2 hours of sleep than I will if I get 6 hours of sleep"

Answer: I hope this helps you

Explanation: https://ay.live/jPM5h

The continents that contain folded mountains that match up from one continuous mountain chain serving as evidence that they once belonged to one landmass called Pangaea are South America, Africa, Antarctica, Australia, and parts of Asia.

These continents contain portions of the mountain chain known as the "Pangaea Mountains" or the "Variscan Mountains" that were formed during the late Paleozoic era, about 300-400 million years ago.

The collision of the tectonic plates that made up Pangaea caused the formation of these folded mountains, which extend across these continents. The fact that the mountain ranges on these continents match up is strong evidence that they were once part of a single landmass.

This theory of plate tectonics and the concept of Pangaea was first proposed by Alfred Wegener in 1912, and it was later supported by geological evidence such as the matching mountain ranges and the distribution of fossils across continents.

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