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Answer: Two life functions performed by all living organisms are nutrition and respiration. Identify two other life functions that are essential for the survival of all living organisms. Explain how each of the two life functions you identified maintains homeostasis.

Explanation:

Answer:

B) has no nucleus; found in unicellular organisms

Explanation:

Prokaryotes, such as bacteria, have a single cell without a nucleus and lack organelles, so prokaryotic cells don't have a nucleus and lack most organelles that would usually be found in eukaryotes.

Therefore, the answer is B) has no nucleus; found in unicellular organisms.

Is the use of genes for treating human genetic disorders d. pharmacogenomics .

Pharmacogenomics is the study of how genes impact how a person reacts to medications. In order to create powerful, secure treatments that may be administered based on a person's genetic profile, this area integrates genomics (the study of genes and their roles) and pharmacology (the science of drugs).

Although many medications on the market today are "one size fits all," they don't all operate in the same manner. It can be challenging to determine who will respond well to a treatment, who won't respond at all, and who will encounter unwanted side effects (called adverse drug reactions). In the US, adverse medication responses constitute a major factor in both hospital admissions and fatalities.

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The amount of money that was raised for conservation from the sale of firearms is = $8,455,000,000

The number if firearms sold in U.S. during 2020= 19,000,000

The cost of an average firearm = $500

The tax collected per firearm by Pittman-Robertson Act = 11%.

That is, 11% of $500

= 11×500/100

= $55 for every firearm

The total cost of 19million firearms

= 19,000,000 × 500

= 9,500,000,000

The total tax collected form 19 million firearms,

= 55 × 19,000,000

= 1,045,000,000

The amount raised for conservation;

= 9,500,000,000 - 1,045,000,000

= $8,455,000,000.

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Answer:

To calculate the amount of money raised for conservation from the sale of firearms during 2020, we'll follow these steps:

Step 1: Calculate the total revenue generated from firearm sales.

Total revenue = Number of firearms sold * Price per firearm

Total revenue = 19,000,000 * $500

Total revenue = $9,500,000,000

Step 2: Calculate the amount of excise tax collected.

Excise tax = Total revenue * Excise tax rate

Excise tax = $9,500,000,000 * 0.11

Excise tax = $1,045,000,000

Therefore, the amount of money raised for conservation from the sale of firearms during 2020, based on the given information, is $1,045,000,000.

Answer : D

Explanation:

The experimental groups that had wing surgery would have no results.

Surgery- The area of medicine that treats sickness or injuries through procedures. Surgery may entail physically altering human tissues and organs by cutting, abrading, suturing, or other means.

Tissue- Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells. This may be abundant in some tissues and minimal in others.

Cells- The simplest form that can sustain life on its own and makes up all living things, including the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell.

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Answer:

Archaea

Explanation:

Most archaea species are epiphytes (for example, thermophiles or halophiles), which means they live in harsh environments where few or no other organisms can survive.

Answer:

Develop a testable question based on research or prior knowledge

Explanation:

Scientific Method.

According to the given statement Bacillus cereus It is the cause of two different kinds of food poisoning.

Etiologic agents include those mentioned in 42 CFR 72.3 as well as any other agent that causes or may cause a severe, incapacitating, or deadly disease. Etiologic agents are living microorganisms or their toxins.

The five classes of pathogenic organisms include viruses, bacteria, fungus, protozoa, and helminths (worms).

Direct touch, droplets, a vector like a mosquito, a vehicle like food, or the airborne route are all possible modes of transmission. The vulnerable host has several portals of entry such as the mouth or a syringe.

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One reason cells divide is that Growth and Replacing damaged or dead cells.

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The graph looks different because the plotted data are in a single line.

The conclusion that could be made by an indiscriminate viewer is that the temperature remained stable from the year 1880 to year 2018.

Temperature is defined as the degree of hotness or coldness of a body surface which can be measured in °C or °F.

The temperature of a body surface changes with time depending on the effects of the immediate external environments.

From the plotted graph above, the same data is being collected over a long period of time.

The graph appears different because the temperature of the surface remained stable from the year 1880 to year 2018.

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Answer:

A period in the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor.

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The 2 ways that nitrogen is "fixed" are by plants and bacteria.

Nitrogen fixation is a process in which there is a combination of nitrogen with oxygen or hydrogen to form oxides or ammonia that can be incorporated into the biosphere.

Fixation can occur in two ways: abiotically by means of electrical discharges or combustion and biotically by the action of microorganisms thanks to bacteria or through symbiosis by means of some plants. This process is known as biological nitrogen fixation.

Therefore, we can confirm that the 2 ways that nitrogen is "fixed" are by plants and bacteria.

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Answer: I believe it´s A. hope this helps

Explanation:

The change that resulted from the heating of the planets as they formed are the structures differentiated into distinct layers.

Around 4.5 billion years ago, when the solar system was still in its current form, gravity dragged spinning gas and dust in, creating Earth, the third planet from the Sun. Earth has a central core, a rocky mantle, and a solid crust, just like its sister terrestrial planets.

First of all, gravity is what pulls creatures to the surface of the Earth, keeps the planets in their orbits around the Sun, and is what creates planets, stars, and galaxies. Second, electromagnetic forces control how matter produces electricity and magnetism and reacts to them.

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The frequency of a1a2 genotype is a population is 0.4.

Formula to calculate the a1a2 genotype frequency is: -

[tex]\frac{a1a2 genotype}{total genotype}[/tex] = [tex]\frac{80}{20 + 80 +100}[/tex] = 0.4

Genotype- The word "genotype" refers to an organism's whole gene pool, or, in other words, the genetic make-up of that creature. The phrase can also be used to describe to the alleles, or different versions of a gene, that an organism carries in a more specific meaning.

Population- A population is described as a collection of people who belong to the same species and cohabit a certain region. In order to survive throughout time, individuals of a population frequently rely on the same resources, are susceptible to the same environmental restrictions, and affect the availability of other members.

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Answer: My best guess would be Insulin

Explanation:

Insulin signals body cells to take up glucose from the blood, which returns blood glucose levels back to normal.

The example where a bee is carrying pollen from one flower to another (pollen contains sperm and the flower an egg) makes reference to sexual reproduction.

Sexual reproduction is a type of reproduction that involves the fusion of two (2) gametic germinal cells, in this case the egg cell and the sperm cell, which form a zygote (diploid cell).

In conclusion, the example where a bee is carrying pollen from one flower to another (pollen contains sperm and the flower an egg) makes reference to sexual reproduction.

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Compare the differences in the amount of lightness between different batches of blue jeans made at various temperatures while using the same enzyme concentration.

Temperature is an indication of hotness or coolness on a variety of scales, such as the Celsius and Fahrenheit systems. Heat energy will logically go from a hotter (something with a high temp) to a colder (body with such a lower temperature) according to temperature (one at a lower temperature).

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Answer:

The macromolecules that forms pumps and channels in the cell membrane, allowing the entry and exit of molecules to the cell are protein.

Explanation:

Membrane integral proteins are a type of macromolecule attached to the structure of the membrane and have ends in contact with the cytoplasm and the extracellular medium.

These protein molecules can act as channels and transporters or pumps, to facilitate the passage of substances through the membrane. An example of transmembrane channels are ion channels, while a protein transporter is the sodium potassium ATP-ase pump.

Membrane proteins can also act as surface receptors and enzymes linked to the cell membrane.

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The membrane is composed of phospholipids that will form a lipid bilayer through which products pass through it.

The plasma membrane is made up, among other components, of phospholipids that will generate a phospholipid bilayer due to its amphipathic nature. Due to its conformation, different molecules will not find it easy to pass through the plasmatic membrane into and out of the cell, for this reason, the cell will have types of transport to be able to allow the passage of substances.

Within these forms of transport, we find endocytosis, which is when the cell enters bulky materials inside the cell, exocytosis, which is when it takes bulky materials out of the cell, is the facilitated diffusion by which molecules pass without spending energy thanks to its concentration gradient and active transport in which the channels need ATP to be able to pass the molecules through it since it is done against its concentration gradient.

Therefore, we can confirm that the membrane is composed of phospholipids that will form a lipid bilayer through which products pass through it.

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Many studies that cannot ethically be conducted as experiments with typical human participants are possible to test with animal studies.

This is referred to as a procedure which is used to support or refute a hypothesis and it is also done by other peers in other to ascertain the authenticity of a law or principle.

They are used in medicine to test the efficacy of drugs during production so as to ensure that is very potent. It is also tested to ensure it is safe for consumption and the necessary side effects are studied before they are put in the market.

There are some experiments which can't be done with the use of humans because of ethical and health reasons which is the reason why animals have been used as a form of alternatives because of the identical body system they have with humans.

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Answer: A plasma, membrane, DNA and ribosomes

Explanation:

Answer:

The answer is A.

Explanation:

the person who is paid obviously make the source reliable.

The question that can be used to  to evaluate reliability of a source is : "is this data challenged by anyone in the public?"

Option (C) is correct.

It assesses the credibility of the data by considering whether it has been scrutinized, questioned, or challenged by members of the public or experts in the field. When multiple individuals or experts have reviewed and found the data to be accurate and valid, it increases the likelihood that the source is reliable.

Question C addresses a crucial aspect of source reliability. If data or information presented in a source is being actively challenged or critiqued by individuals in the public or experts within the relevant field, it indicates a healthy level of scrutiny and engagement with the content. A reputable and reliable source should be open to evaluation and discourse within the community it pertains to.

Challenging data indicates that it has undergone a peer-review process, which enhances the source's credibility. It's important to distinguish valid challenges from baseless ones, as a well-supported challenge reinforces the reliability of the source, while unsubstantiated claims may not.

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The complete question is:

A. “Who was paid to do this research?”

B "Is the author American?"

C “Is this data challenged by anyone in the public?”

D “Is this research relevant to me?”

In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by scanning along the mRNA from the 5′ end.

Translation- A cell's method of producing proteins by using the genetic information contained in messenger RNA (mRNA). The information included in the mRNA, which is created by replicating DNA, instructs the cell on how to assemble proteins from amino acids.

mRNA- The cytoplasm is where the mRNA that is produced in the nucleus connects to the ribosomes after being transferred from the nucleus. The nucleotide sequence of the mRNA serves as a guide for the assembly of proteins on ribosomes. The cytoplasm receives a "message" from the nucleus through mRNA.

The given question is incomplete, find below the complete question,

Q. In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by ____________________________.

Select one:

a. binding directly to a ribosome-binding site preceding the initiation codon.

b. scanning along the mRNA from the 5′ end.

c. recognizing an AUG codon as the start of translation.

d. binding an initiator tRNA

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Answer:

A

Explanation:

A box represents a carbon sink that holds carbon compounds for the shortest period of time. So, the correct option is A.

A carbon sink is defined as a natural or otherwise that accumulates and stores some carbon- containing chemical compound indefinitely and thereby removes carbon dioxide from the atmosphere. The two most important carbon sinks are vegetation and the ocean where soil is an important carbon storage medium.

A carbon sink is describe as something which absorbs more carbon from the atmosphere than it releases – for example, plants, the ocean and soil. Carbon dioxide can move to plants to be stored as glucose much more rapidly than in sedimentary rocks and fossil fuels where carbon compounds are most likely to be retained for the shortest time in vegetation.

Thus, A box represents a carbon sink that holds carbon compounds for the shortest period of time. So, the correct option is A.

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The relationship between the single celled paramecium and the multicellular giraffe in terms of the cell theory is that both organisms are made of cells.

In taxonomy, we often try to classify life. The classification of life often starts from the simplest to the complex levels of the organization of life. All the organisms that exists in the universe must falls somewhere into this strata of life. We know that the simplest unit of life is the cell. It is defined as the simplest independent unit of an organism.

According to the cell theory, all organisms are composed of cells and the cells that we have in existence are always derived from pre existing cells. The cells was first discovered by Robert Hooke as he was working with his crude compound microscope.

Now, since all organisms are composed of cells, the relationship between the single celled paramecium and the multicellular giraffe in terms of the cell theory is that both organisms are made of cells.

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Answer:The answer is true

Explanation:please give brainliest if right.