Which list of countries arranged least to most in terms of how much of their income they spent on food
1China Canada Poland Kenya
2Poland China Kenya Canada
3 Canada Kenya Poland China
4 Canada Poland China Kenya

Answer:

For melting snow and ice, salt, liquid calcium chloride and a few other de-icing chemical products are clearly superior to sand, or a sand/salt mixture. In fact, sand by itself has no de-icing capacit

Explanation:

ice salt

Explanation:

they lower the freezing Pronto the ice and snow thus breaking them apart

Answer:

Dehydration synthesis

Explanation:

Combination of monomers to form a covalent bond usually with the release of water molecules

The part labelled 3 shows nitrogen is stored in the largest reservoir on Earth.

The transformation and cycling of nitrogen in various forms throughout ecosystems is referred to as the nitrogen cycle, a biogeochemical process. The nitrogen cycle involves the transformation of nitrogen between various chemical forms so that it is available for use by plants and other creatures.

Nitrogen is a crucial element for the growth and development of living beings.

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Segregation refers to the separation of:

b. homologous chromosome pairs

The amino acids must be delivered and deposited in the correct locations by tRNA in order to construct the intended protein. The task of matching amino acids with the appropriate mRNA codons falls to the tRNA molecules.

The role of tRNA is to transport the amino acids and put them in the proper positions so that the intended protein can be produced. Proteins and rRNA make up the ribosomes. Each ribosome is composed of two subunits. In order for the mRNA's coding to be read and translated, they "clamp" the mRNA in place.

Each tRNA molecule has two separate ends; one of them attaches to a particular amino acid, while the other one binds to the appropriate mRNA codon.

Thus, we can conclude that tRNA is required to transport and position the amino acids in the required locations in order to construct the intended protein. The task of matching amino acids with the appropriate mRNA codons falls to the tRNA molecules.

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Marfan syndrome is an autosomal dominant disorder, which means that the mutation that causes it is located on one of the autosomes, and only one copy of the mutated gene is required for the disease to be expressed.

According to the DNA sequences shown, Marfan syndrome can be caused by a mutation in the FBN1 gene, which codes for fibrillin-1, a protein that is important in the formation of connective tissue. The mutation that causes Marfan syndrome is likely a point mutation, which is a change in a single nucleotide in the DNA sequence. This could involve the substitution of one nucleotide for another, the insertion or deletion of a nucleotide, or the alteration of a nucleotide due to environmental factors such as radiation or chemicals.

The specific point mutation that causes Marfan syndrome may vary between individuals, but it is likely to result in the production of an abnormal version of fibrillin-1 that disrupts the formation of connective tissue, leading to the characteristic symptoms of the disorder.

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Answer:

My answer is B.

Explanation:

A biodiversity hotspot is a region with a high amount of biodiversity that experiences habitat loss by human activity.

The biodiversity hotspot is "a region with a high number of native species threatened by human impacts".

Biodiversity would be the range of organisms that make up ecosystems on Earth, including plants, animals, including microorganisms.

There are 4 level of  biodiversity:

Therefore, the correct option will be (c)

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Explanation:

for protein the force of attractions for tertiary structure are

(i) ionic bonds

(ii) hydrogen bonds

(iii) van der Waals forces and electrostatic bonds

(iv) disulphide linkages

(v) Hydrophobic Interactions.

Answer:

You are a family physician and you have several patients that are coming in to have their moles looked at for possible melanoma.For each of the following patients use the ABCD chart to identify whether their moles are suspicious for melanoma.In the box below each mole image write a summary paragraph answering the following:1.Is there a possibility the mole is cancerous and why/why not?2.What is your advice to the patient for this mole? (none, proper sun care, removal, etc.)The diameter is too big and the color variation is different he just is unlucky because he may have skin cancer. The border is bad and its asymmetrical. Must see doctor.Patient 3 InformationPatient is 30 yr. old Native American female with medium skin tone with no history of skin cancer.She has had very little sun exposure and it is located on the medial side of her right knee and is 14 mm.The mole border looks pretty good, and the color is consistent.But due to his family’s history he should really get checked out and have an infinite amount of sunscreen on when he is outside.Plus the diameter is smaller than a pencil’s eraser which is 6mm.Patient 2 InformationPatient is 10 yr.old Caucasian male with very fair skin who has no history of skin cancer, but every member of his family has.He has had average sun exposure and it is located 3 inches distal of his left elbow and is 4 mm.The mole may be cancerous because she has already had 3melanomas removed. The mole looks like it varies in color, the border is all over the place and it’s not symmetrical. She also confesses to being at the beach all the time. My advice would be to get a full evaluation done and to stay out of the sun.Patient 1 InformationPatient is a 73 yr.old Caucasian female with fair skin who has had 3 melanomas removed in the past 2 years.She is a self-confessed beach bum and has been since 1950.It is located on her right shoulder and 6 mm.

Answer: Red skin color is dominant, it is a simple trait controlled by one gene.

Explanation:

RR x yy = Ry, Ry, Ry, Ry

Answer:

Red skin color is dominant

Explanation:

Answer:

D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.

Explanation:

Answer: All the blood leaving the stomach and intestines passes through the liver. The liver processes this blood and breaks down, balances, and creates the nutrients and also metabolizes drugs into forms that are easier to use for the rest of the body or that are nontoxic.

Explanation:

Answer:

The liver processes this blood and breaks down, balances, and creates the nutrients and also metabolizes drugs into forms that are easier to use for the rest of the body or that are nontoxic.

Explanation:

All the blood leaving the stomach and intestines passes through the liver.

Proteins are attached to the extracellular matrix, the cell cortex, and obstacles such tight junctions.

Identification, communication, control of solute exchange across the membrane, and separation of the nucleus from the surrounding environment are the four primary roles of the plasma membrane.

The membrane that encloses a cell's organelles and serves as a partition between them and the outside world is referred to as the plasma membrane. Every live cell has a thin membrane called the plasma membrane that surrounds it and isolates it from its surroundings.

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Answer:

The process that involves carbon moving directly from the biosphere into the geosphere is D: the decomposition of plants on the forest floor.

Explanation:

When plants die and decompose, their organic matter is broken down by decomposers (such as bacteria and fungi) into simpler compounds, including carbon. Some of this carbon is then released into the atmosphere as carbon dioxide through the process of respiration, but some of it is also incorporated into the soil. Over time, this carbon can become part of the geosphere through processes such as soil formation and the formation of sedimentary rocks.

Therefore, approximately 0.001 ng of plasmid DNA should be used in the transformation reaction to obtain approximately 1000 colonies on a P-200 plate with a known transformation efficiency of \(1*10^6\).

To determine the amount of plasmid DNA required for the transformation reaction, we need to calculate the amount of DNA that will result in approximately 1000 colonies on a P-200 plate using the known transformation efficiency of \(1*10^6\).

Assuming the transformation efficiency is defined as the number of colony-forming units (CFUs) per microgram (μg) of DNA, we can use the following equation to calculate the amount of DNA required:

(Number of colonies desired / Transformation efficiency) x 1 μg/1,000,000 ng = Amount of DNA required in ng

Plugging in the given values, we get:

(1000 colonies / \(1*10^6\) CFU/μg) x 1 μg/1,000,000 ng = 0.001 ng

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The fundamental unit of life in species belonging to the kingdom Plantae is the cell. They are eukaryotic cells, which have specialized components called organelles and a real nucleus that performs several duties. They also have a cell wall, which serves as support for the structure.

Plant cells have a cell wall, a large central vacuole, and plastids like chloroplasts. The cell wall is a substantial, rigid covering that encloses and physically supports the cell. Outside the cell membrane is where it is found. Turgor pressure against by the cell wall is maintained by the central vacuole.

After mitosis, plant cells divide in half by building a new cell wall (cell plate) between daughter nuclei. The phragmoplast, a cytoskeletal component, receives golgi-derived vesicles that are then transported there and fused to form the cell plate.

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Answer:

Expand in the water.

Explanation:

Molecules moves from places of high to low concentration.

Hope this helps :)

The best claim to answer this question is that Yusuh should paint their dog house white because the average temperatures are 93, 88, 85. 82 °F. Since 82°F is the lowest that means that it is the best. Black would be the worst which is denoted as option C.

This is referred to as the degree of hotness or coldness of a substance and certain colors attract heat.

For example dull colors such as black absorb more heat and the chart given shows that it has the highest average temperature which is why it shouldn't be painted with such color but with white which has the least value so as to make the dog more comfortable.

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The following are the BEST claim to answer this question:

Evidence statements are described as short summaries of evidence, in a review, report or paper that is usually provided by an expert in the topic area

The statement, "The warmest temperature recorded was 94°F," offers proof on the temperatures of the various painted boards. Since the Sun warms up black paint more than white paint.

The white board's temperature never climbed over the lowest temperature of any other board," adds more support for the idea that white paint offered the best temperature control.

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Answer:

Skull

The skeleton of the head and trunk.

The axial skeleton consists of the skull, ribs, sternum and the spinal column.

The function of the axial skeleton is to provide support and protection to the brain, spinal cord, heart and lungs.

The bones of a human or an animal considered as a whole, together forming the framework of the body. It can by any of various structures forming a rigid framework in an invertebrate.

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Answer:

13 percent

Explanation:

Answer:

The independent variable is the amount of food in the aquarium, and the dependent variable is the size of the fish.

Explanation:

The use of highlighting pens can increase your understanding of a text by: Helping you stay focused, as well as helping you to keep track of the most important part of a text.

A highlighting pen as the name implies is a pen with a unique feature used for marking a particular word, group of words and sentences to stand out in a page.

The highlighting pen is used for so many things in schools, churches, and organization these include: Marking a page, noting a key word, marking a word is yet to be understood etc.

In conclusion, The use of highlighting pens can increase your understanding of a text by: Helping you stay focused, as well as helping you to keep track of the most important part of a text.

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Answer:

50% G+C will have a higher Tm

Explanation:

The Temperature of Melting (Tm) refers to the temperature at which 50% of double-stranded DNA (dsDNA) is changed to single-standard DNA (ssDNA). In the double helix of DNA, Adenine bases always pair with Thymine bases through two hydrogen bonds, whereas Guanine bases always pair with Cytosine bases through three hydrogen bonds. In consequence, a DNA molecule containing a higher GC content is more stable than another DNA molecule containing a lower GC content. The Tm can be calculated as follows = 2 °C(A + T) + 4 °C(G + C) = °C Tm (this equation is useful for oligonucleotides of 14 to 20 base-length).

The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).

Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.

The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.

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Answer:

B. Hypotheses suggest new questions for further investigations.

Explanation:

Spillage is a problem associated with drilling

Drilling for oil is the process of creating a well to extract petroleum from underground reservoirs. The process begins with the selection of a suitable site, usually based on geological data, aerial surveys, and seismic studies. Next, a rig is constructed and equipment is brought to the site to drill the well.

The extracted oil is then transported to a processing facility for refining and distribution. Drilling for oil is a complex and expensive process, but it is essential for meeting the world's growing energy needs.

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Answer:

It's C

Explanation:

Hope this helped :)))

The fertilizers show a significant impact on the nitrogen cycle as the fertilizers kill off the important nitrogen fixing bacteria which are present in the soil. Thus, the correct option is C.

Nitrogen Cycle is a biogeochemical process through which the nitrogen present in the environment is converted into many different forms, consecutively passing from the atmosphere to the soil to the living organisms and back into the atmosphere after decomposition. It involves several processes including the nitrogen fixation, nitrification, denitrification, decay and putrefaction of the nitrogen compounds.

Intensive fertilization of the agricultural soils of normal soil can increase the rates at which nitrogen in the form of ammonia is volatilized in the environment and lost to the air. It can also speed the microbial breakdown of ammonium and nitrates in the soil which results into enhancing the release of nitrous oxide. In addition to this, excessive use of fertilizers also kills the nitrogen fixing bacteria present in the soil.

Therefore, the correct option is C.

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