In the human body, many cell types do not continue dividing. Give two examples of cells that do not divide and two examples of cells that grow and divide rapidly and regularly.

Answer:

A. Viruses CANNOT be cured by

antibiotics

Explanation:

Answer:

a) Viruses cannot be cured by antibiotics.

Explanation:

"Viruses cannot be cured by antibiotics" is true about viruses. Because, the antibiotics can only cure bacterial diseases. Hence, the option (a) is the correct answer.

Answer:

Explanation:

The pterodactyl and elephant both share the same ancestor population that had an ilium bone. They inherited this structure from the ancestor population. I hope this helps!

Answer:

D

Explanation:

The heart is a muscle that physical contracts to force blood through the human body. I'm around 90% it is D.

Answer:

i believe its  A.horn

Explanation:

hope this helps ya;)

0.02%. glucose concentrations when a 1% standard solution is administered.

By multiplying (mass/volume) by volume and keeping in mind that 1 g in 100 ml equals a 1 percent solution, you can determine how much glucose is required to form a solution of a certain percent. For this example, multiply (20/100) by 500 to create a total solution of 500 ml of 20 percent glucose.

A 1% (w/w) concentration is created by combining 1 g of one substance with 100 g of another, such as 1% (w/w) salt in sand. Another vintage signifier of concentration that you could still come across (simply take a look at the side of the term "parts per million (ppm)" is used.

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The Cytoplasm is the location of the most organelles where most cell processes take place.

Answer:

the cytoplasm

Explanation:

Intron are underlined and the Exon circled (in brackets)

(UUU)(AUG)(ACU)(AAU)(GAU)(GAA)UAA(UAU)(AUG)(AUG)(CGU)(AGU)(AAU)(CCU)(UCU)(GCA)(GAU)UAG

(AUA)(AUG)(UUU)(UUA)(CCC)(ACC)(AAC)(GAC)(GCC)(AUG)UGA(CGU)(CGA)(AUG)(ACU)(ACC)(AAU)(GCU)

(GCU)(GGA)(CUA)(ACA)UAA(UCG)(UAU)(GGA)(AGG)(GUG)(UCA)(AUG)(UUC)(UCC)(UAU)(GUA)(AUG)UAA

(CAU)(AAU)

The method used in the laboratory for determining the genetic make up of any organism or their cell type is called genomic sequencing. Genes are made up of introns and exons which are nucleotide sequences.

Introns are none coding sections of heterogeneous nuclear RNA and are removed by splicing as the RNA matures while exons are present in messenger RNA that encodes the amino acids of protein. Genes have various exons that bear introns linking them.

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The organisms get some energy, while the remaining energy is discharged as thermal energy into the ecosystem. In an ecosystem, as we proceed up the trophic levels, we notice that the amount of energy keeps decreasing.

This phenomenon happens as a result of an ecosystem's inefficient energy transfer from one trophic level to another. The majority of the energy is discharged into the atmosphere as heat. It is known that around 10% of the energy in an ecosystem moves from one trophic level to another.

Thus, we can state that while the organisms receive some energy, the remainder enters the ecosystem as thermal energy. The amount of energy in an ecosystem decreases as we move up the trophic levels, as can be seen.

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Your question is incomplete. Please find the complete question below.

Question: The image shows a rainforest ecosystem. The energy from plants, or producers, acts as the starting point of energy in the ecosystem. This energy is transferred to other organisms in the food web. In which two ways is the total amount of energy conserved in the ecosystem?

A. Some energy is transferred to the organisms, and the remaining energy is released into the ecosystem as thermal energy.

B. Bacteria eat the dead bodies of organisms to release the organisms’ stored energy into the atmosphere.

C. Some energy is transferred to the smaller organisms, and the rest is stored in the bodies of larger animals.

D. Some energy is transferred to the organisms, and the rest is released by plants in the form of carbon dioxide.

E. Bacteria eat the dead bodies of organisms, obtain all the energy, and store it in their bodies.

Answer:

Plants on land have taken up approximately 25 percent of the carbon dioxide that humans have put into the atmosphere. The amount of carbon that plants take up varies greatly from year to year, but in general, the world's plants have increased the amount of carbon dioxide they absorb since 1960

Explanation:

For example, in the food chain, plants move carbon from the atmosphere into the biosphere through photosynthesis. They use energy from the sun to chemically combine carbon dioxide with hydrogen and oxygen from water to create sugar molecules.

I just searched up Hope it helps!

Answer: the answer is option are option B and C.

Explanation: Proteins are made up of bulk units of amino acids progressively in our body, which are connected to each other as one long chain.

there are 20 different amino acids that compose the proteins, they can be derived from fruits and vegetables.

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The factors that determine the thermal energy of a substance are temperature and mass, which are associated to the number of particles (mass) and kinetic energy (temperature).

The term thermal energy makes reference to a type of kinetic energy in which the particles are in constant movement, in the opposite way than potential energy which makes reference to the storage of energy such as occurs in the chemical bonds of foods.

This type of energy (thermal energy)  is associated with the relative movement of particles in a substance, i.e. its temperature, as well as the mass which depends on the number of particles that form the substance.

Therefore, with this data, we can see that thermal energy depends on both the temperature or relative movement of particles and also the mass of a given object, which is represented by the number of particles per unit of area.

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Answer:

Ostrich

Explanation:

Ant, prawn, snake and turtle are all poikilothermic (or cold-blooded) whereas ostrich is an endotherm (or warm-blooded) making it the odd one out.

The options given are cold blooded animals along with one odd option. The correct answer is ostrich.

What is the class of ostrich ?

Ostrich is the largest bird. It lays largest eggs and the ostrich are the birds that can not fly as they are very heavy in weight. It belongs to the class aves.

Ostrich is a bird that is poikilothermic in nature. Birds are poikilothermic that is warm blooded. Birds have the  warm blood and these are able to maintain their warm temperature, these are ectothermic in nature. In case of reptiles and insects where the class reptilia and the class insecta are the species to which the remaining belong to.

The only different is that the ostrich is poikilothermic in nature that is it is warm blooded in nature. The other reptiles and insects are cold blooded that is endothermic in nature.

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Answer:

the process of oxygen depletion due to nutrients such as nitrogen and phosphorous entering marine systems and causing algal blooms is called Eutrophication

Eutrophication is the oxygen depletion process that occurs due to nutrients such as nitrogen and phosphorus in the marine system resulting in algal blooms.

Eutrophication is a main problem in the aquatic ecosystem. It occurs when the lake or estuaries are rich in nutrients like nitrogen and phosphorus.

The deposition of these nutrients in water bodies occurs because of the surface runoff of agricultural lands.

These nutrients are required by microorganisms, phytoplankton, and algae for their growth. So they consume these nutrients and grow enormously and cover the lake as a green meadow or algal bloom.

So the sunlight or oxygen can't reach underwater. As a result, the aquatic organisms begin to die.

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If a child with blood group O is born to the parents with blood group A of father and B of mother, then their genotype will be [tex]I^{A} I^{i}[/tex] and [tex]I^{B} I^{i}[/tex] respectively.

Blood group is the type antibodies and antigens present in the blood of the individual. These antibodies and antigens are heritable and transferred from the parent to the child in the form of genes. There are 4 types of blood groups. These are: A, B, AB and O.

Genotype is the genetic composition of an individual. It can off the whole genome or for a single trait. When the genotype [tex]I^{A} I^{i}[/tex] and [tex]I^{B} I^{i}[/tex] are crossed they have the potential to give birth to a child with genotype [tex]I^{i} I^{i}[/tex], and this justifies the birth of child with blood group O.

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According to DNA sequencing data, lizards on each island are more closely related to one another than to similar species on other islands, implying that the same types of anoles evolved independently on different islands.

Divergent evolution refers to the process by which different organisms with common ancestors develop different traits or characteristics in order to adapt to changing environmental conditions and needs. It is also referred to as adaptive radiation. The Galapagos finch is a classic example of divergent evolution, as Darwin discovered that the finches' beaks adapted differently in different environments.

Convergent evolution occurs when species occupy similar ecological niches and respond to similar selective pressures in similar ways. Analogous structures are traits that emerge as a result of convergent evolution. They are distinguished from 'homologous structures,' which share a common origin. This is because anoles are a spectacular example of convergent evolution, in which different living things independently acquire the same adaptations to the same challenges.

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Science is the process by which knowledge is created. Despite the fact that scientists reject the idea of discovering perfect truth and accept some uncertainty as a part of nature, the majority of scientific knowledge is enduring.

Cell theory is a biological theory first proposed in the mid-nineteenth century that states that living organisms are made up of cells, that cells are the basic structural/organizational unit of all organisms, and that all cells originate from pre-existing cells. The following are the basic tenets of cell theory: Every living thing is composed of one or more cells. All living things are made up of cells, which are structural and functional units. Cells are formed by the division of pre-existing cells. In terms of chemical composition, all cells are the same.

Theodor Schwann proposed the classical cell theory in 1839. This theory is divided into three parts. The first section asserts that all organisms are made up of cells. Other living cells produce all existing cells. Other living cells produce all existing cells. The cell is the most fundamental unit of life.

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Answer:

b) Gram-positive bacteria

Explanation:

Gram-positive bacteria stain purple during Gram staining. Gram-negative bacteria turns into red (or) pink. Therefore, the option (b) is the correct answer.

The energy payoff phase of glycolysis consists of five additional steps and results in the formation of four ATP, two NADH + H+, and two pyruvate molecules. Substrate level phosphorylation is the process by which ATP is produced from the transfer of a phosphate group from a substrate molecule in a metabolic pathway.

Through a sequence of processes known as glycolysis, glucose is divided into two pyruvate molecules, each of which has three carbons. The vast majority of creatures on the planet today use glycolysis, which is an old metabolic route that originated long ago. 2,3 2,3 start superscript, 2, comma, 3, end superscript

Glycolysis is the initial step in the process of cellular respiration in organisms. However, many anaerobic organisms—organisms that do not use oxygen—also contain this route since glycolysis does not require oxygen.

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The equation (seed yield with treatments and seed yield without treatments) has a value of 340 and represents the difference in seed yield between beans with and without treatments.

microorganisms that fix nitrogen, indicating a novel way to increase yields, communicate with soybean roots. Soybean plants collaborate with a bacterium known as rhizobia, which can transform atmospheric nitrogen into organic forms the plant can use to receive the nitrogen they require.

The details which are available to us are the diagram that shows the seed yield.

The necessary equation to express the variation in seed yield between beans treated and untreated is as follows:

(Seed yield following treatment vs. seed yield in the absence of treatment)

[tex](300+310-270)= (610-270)= 340[/tex]

Therefore, the equation (seed yield with treatments-seed yield without treatments) will have a value of 340 and shows the difference in seed yield between beans with and without medicines.

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A cell knows when to divide when to duplicate its chromosomes, or when to enter another stage of the cell cycle by communicating with each other using chemical signals from special proteins called cyclins.

Cells control their division by exchanging chemical signals via unique proteins called cyclins with one another. These signals function as switches that inform cells when to begin dividing and then when to stop.

A cell has to go through a number of checkpoints in order to transition from one stage of its life cycle to the next. Specialized proteins inspect each checkpoint to see if the required circumstances are there. If so, the cell can move on to the following stage.

In order for each new cell to include all of the necessary genetic information, the genes must also produce copies of themselves prior to cell division.

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Answer: 50%

Explanation: I used Punnet squares and past answers.

considering I used past answers it has to be correct. (the past answers were from less than a week ago)

The false statement about mutations is: A knock-out mutation results in a total absence of the mutated protein.

Altering the genome's nucleic acid sequence of an organism, virus, or extrachromosomal DNA is known as a mutation.

Knock-out mutation refers to a DNA change that completely halts a gene's expression. In all types of cells and creatures, this is achievable using certain genetic techniques. CRISPR genome editing is currently the quickest and most direct method for accomplishing precise gene knockdown.

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Acetylcholine (ACh), a chemical transmitter, is released into the synaptic cleft. ACh diffuses through the postsynaptic or post junctional membrane and binds to specific receptors there.

Chemical transmitter is defined as a signaling substance that a neuron secretes in order to influence another cell across a synapse. Typically, a transmitter transforms the sensor's output into a signal level fit for a controller's input.

Exercise causes the skeletal muscles to contract and alter. Acetylcholine, a neurotransmitter, is produced from nerve endings and binds to receptors called AChRs on the surface of muscles in (A). Sodium channels activate as a result of the subsequent depolarization, triggering an action potential that travels throughout the cell.

Thus, Acetylcholine (ACh), a chemical transmitter, is released into the synaptic cleft. ACh diffuses through the postsynaptic or post junctional membrane and binds to specific receptors there.

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Answer: There are five concepts of cystic fibrosis. They have

Explanation:

1. People with CF can't be together.

              The thick, sticky mucus that builds up in our lungs functions like silly puddy. So, when bacteria enter our lungs, they tend to stick around forever whereas healthy people’s immune systems can fight them away. As a result, people with CF harbor dangerous bacteria in their lungs, which are contagious only to other people with CF or compromised immune systems.

The excellent news is CF is not at all contagious or dangerous to healthy people. The bad news is the cross-infection risks mean people with CF are advised not to be within 6 feet of one another.

In response, we’ve formed thriving online communities so that we can benefit from information sharing and support, but there’s no denying that virtual connections can never replace in-person ones. For me, this is one of the hardest things about CF.

2. CF and Tay Sachs are tied as fatal Jewish genetic diseases.

                   When you think of fatal Jewish genetic disease, you think “Tay Sachs,” right? But the truth is that approximately one in 25 to 27 Ashkenazi Jews is a carrier of CF, making it just as prevalent as Tay Sachs. That’s why Emily’s Entourage is on a mission to get the word out to the Jewish community that CF is their disease, too.

3. Our skin is super salty.

                          Back in the day, salty skin was the hallmark characteristic of CF. The reason is that a faulty salt chloride channel causes people with CF to excrete too much salt. In other words, when we sweat, we lose too much salt, which puts us at an increased risk of dehydration.

If it’s hot outside and you lick the skin of someone with CF (with permission, of course!), you’ll taste how salty they are! You may even see salt crystalize on their skin.

To this day, the diagnostic test for CF is called a “sweat test” because it measures the salt chloride levels in your sweat.

4. We are master deceptors.

                       CF is an invisible disease, which means that, as sick as our lungs and other organs are on the inside, you can’t tell from the outside. Just from looking at me, you’d probably never guess that I have less than a third of the average lung function or that I’m teetering on the brink of lung transplant evaluation.

This is a blessing and a curse. The downside is that it is often hard to appreciate how sick we feel and how difficult everyday tasks are because we look so deceivingly healthy on the outside. But on the flip side, it’s nice not to wear our disease on our sleeve, so to speak, so people see more than just our disease when they look at us. Plus, looking healthy rather than sickly is generally a good thing.

5. The nickname for CF is 65 roses.

                      Way back when children with CF had trouble pronouncing “Cystic Fibrosis.” So, they came up with a nickname with a similar ring: sixty-five roses. Roses certainly evoke a much lovely image than a life-threatening disease. In fact, the nickname stuck so much that it is still used today and roses have become an unofficial symbol of CF.

A certain type of specialized cell contains an unusually large amount of rough endoplasmic reticulum (ER). Which of the following functions is this cell type most likely specialized to perform?

A. The production and secretion of steroids

B. The destruction of toxic materials produced in other cells of the organism

C. The synthesis of polysaccharides for energy storage

D. The production and secretion of proteins

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