What is the study of thermodynamics?​

Explanation:

example= leaves of plants, in Africa, point downward because Africa gets little rain if any. the leaves point downward because it directs the rain to the root of plant.

so, parts of the world, like rainforest, leaves are shaped like "cups" that animals that live in trees, can drink the h2o from leaves, Instead of leaving their habitats. if they were 2 travel downwards, preditors lurk,(snakes, chimpanzees, etc...) would be preditors...

Answer:

It would prevent them from receiving sunlight and, therefore, to produce photosynthesis, affecting the amount of atmospheric oxygen and disrupting the food web.

Explanation:

Diatoms are a group of microalgae that are important components of phytoplankton, which produce almost half of atmospheric oxygen and are the base of the marine food web.

If diatoms weren't able to store their food as oil, it would prevent them from receiving sunlight and, therefore, to produce photosynthesis as the oil enables them to float in the sea surface. This situation would have detrimental impacts on the food web because, as primary producers, they are fundamental organisms that not only provide oxygen for the marine ecosystem and the atmosphere but they also serve as food for zooplankton, which are then eaten by bigger and important organisms.

Answer:   They discover fossils, learn about the history of the earth and evolution of species.

Explanation:

"The correct instrument to view blood cells for diagnosing sickle cell anemia is a microscope.

To diagnose sickle cell anemia, a blood sample is taken and examined under a microscope. The microscope allows for the visualization of the shape and structure of the red blood cells. In individuals with sickle cell anemia, the red blood cells will appear crescent-shaped or sickle-shaped instead of the normal round, biconcave discs. This distinctive shape is a hallmark of the disease and is caused by an abnormal type of hemoglobin, known as hemoglobin S, which distorts the red blood cells under conditions of low oxygen tension.

The use of a microscope is essential in making a definitive diagnosis of sickle cell anemia. Other tests, such as hemoglobin electrophoresis, may also be used to confirm the presence of hemoglobin S and distinguish it from other hemoglobin variants or disorders. However, the initial step in the diagnostic process typically involves the visual examination of the blood cells under a microscope."

The cells of your body signal their need for more energy by becoming lethargic, breaking down stored energy, and increasing blood oxygen levels. These responses are aimed at producing more ATP, a compound fundamental to energy storage and release in the cell. Energy from ATP is used to perform various cellular activities, indicating the continuous need of cells for energy.

The cells of your body demonstrate their need for more energy through specific responses. These behaviors can include becoming lethargic to conserve heat, breaking down stored energy, and significantly increasing blood oxygen levels. These responses align with the body's necessity to produce adenosine triphosphate (ATP), which is an essential compound for energy storage and release in cellular activities.

ATP drives all bodily functions — from contracting muscles to absorbing food in the gastrointestinal tract. It is created when carbohydrates are metabolically broken down into glucose. This breakdown provides what cells need to function properly, from ensuring nerve cell electrical potential to contracting muscles to absorbing food.

Living organisms have evolved to efficiently transform and transfer environmental energy into usable energy for cellular activity. For instance, energy stored within organic molecules such as sugars and fats is converted through biological chemical reactions into energy stored within ATP molecules. These energy-rich ATP molecules then fuel cellular activities, including the building of complex molecules, the transport of materials, and the powering of muscular contractions or cellular reproduction.

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Explanation:

They form the base of the food chains/ webs for the marine ecosystems. These microorganisms are the most abundant in the oceans. They are preyed on by the small fish and the small fish are later preyed in by bigger fishes and so on..These micro-organisms are therefore critical in nutrient cycling in the oceans. Without them, there would be dead zones in the oceans.

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Protists, including amoebas and diatoms, play essential roles in ocean environments as primary producers, food sources, symbionts, and decomposers, contributing significantly to oceanic biodiversity, food webs, nutrient cycles, and ecosystems.

Protists, such as amoebas and diatoms which are mostly microscopic and unicellular, play vital roles in ocean environments. They are primary producers and an important part of the food chain, serving as a source of nutrition for a variety of organisms. They contribute to approximately one-quarter of the world's photosynthesis, in particular dinoflagellates, diatoms, and multicellular algae.

Protists are also involved in symbiotic relationships, contributing to the health and survival of other species. For instance, the photosynthetic dinoflagellates known as zooxanthellae supply their energy to coral polyps that provide them with protection and nutrients; this relationship is critical to the formation of coral reefs. The loss of these symbionts leads to coral bleaching and the eventual death of the corals, illustrating the key participation of protists in preserving oceanic ecosystems.

Furthermore, protists are critical in nutrient cycles as they assist in decomposition and recycling of nutrients in marine environments. Collectively, these aspects reveal the indispensable role of these protists in maintaining the health and balance of ocean ecosystems.

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Answer:

Explanation:

Answer: The answer would be A

Explanation: Plantar Flexion is whenever you are bending your foot in a type of way. In ballerina you have to bending, or flexing your foot, this also known as plantar flexion, so the answer would be true.

I hope this helps!

I am joyous to assist you anytime.

~Jarvis

Yes, pointing your toes like a ballerina is an example of plantar flexion. This is when the top of the foot points away from the leg.

The statement given is

true

. Pointing your toes like a ballerina is indeed an example of

plantar flexion

. In medical terms, plantar flexion is a movement in which the top of your foot points away from your leg. When a ballerina points their toes, they are extending their foot in such a way that it's moving away from their leg which is the same action as plantar flexion. This is a common movement in ballet and other forms of dance.

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Answer:

1. The initial decay rate is very fast, but the decay rate decreases over time.

2. Due to randomness, the last couple of radioactive atoms may take a long time before they become nonradioactive.

3. The pattern becomes very predictable.

4. Only a few radioactive nuclei are left to decay, so fewer and fewer atoms decay.

5. The rate of the decay decreases with each half-life cycle.

hope it helps!

Answer:

1-5

Explanation:

Are the correct asnwers

Yes the speed of cheetah is considered a genetic variation.

Explanation:

A cheetah named Chewbaaka's genome has been sequenced and found that 11 genes have undergone mutations over generations to provide the speed to cheetah.

The changes in genes over a period of time in several generations caused genetic variation in the cheetah and natural selection leading to its evolution to fast runner.

Answer:

If photosynthesis stopped, most living organisms on Planet Earth, including humans, would die due either (A) to a shortage of energy because no food molecules would be available or (B) to a shortage of oxygen for cellular respiration.

Answer:

That's because for photosynthesis to cease to exist, Earth would have to plunge into darkness. ... Whether the culprit were too much sunlight or not enough, if photosynthesis stopped, plants would stop converting carbon dioxide -- an air pollutant -- to organic material.

Explanation:

Just be yourself

Explanation:

Be confident in yourself as well as being honest.

Answer:

Samira's model correctly demonstrates how the properties changed with the rearrangement of the atoms. However not all atoms are accounted for. There is a missing reactant.

Explanation:

Samira's model correctly demonstrated how the atoms in two compounds reacted to form two new products. However, the elements present in the reactants side should be the elements that make up the new products in the product side. But as the diagram shows, Sameera has mistakenly added a new element to one of her products which will be wrong.

She correctly demonstrates how the properties changed with the rearrangement of the atoms but not all atoms are accounted for which signifies a missing reactant.

These are referred to the starting materials which take part in a chemical reaction.

The elements on the reactant and product should be the same and the absence in the diagram depicts addition of new element which isn't ideal.

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Answer:

The genotype of the homozygous dominant will be FF, and the total number of F alleles will be 40 × 2 = 80.

The genotype of the heterozygous plant types will be Ff. There will be 44 F alleles and 44 f alleles.

The genotype of the homozygous recessive will be ff, and the total number of f alleles will be 16 × 2 = 32.

Now the total number of alleles is 200 [(40 × 2) + 44 + 44 + (16 × 2)].

The frequency T of F allele will be .

The frequency t of f allele will be .

Now the frequency of the genotypes is represented by the equation p2+2pq+q2 = 1.

So, (0.62 × 0.62) + 2(0.62 × 0.38) + (0.38 × 0.38) = 1.Or (0.3844) + (0.4712) + (0.1444) = 1.

So, homozygous dominant frequency is 0.3844;heterozygous dominant frequency is 0.4712; and homozygous recessive frequency is 0.1444.

Answer:The answer is D

Explanation:

The statement that explains the observed changes in the plant cell  is the solution was hypertonic, causing water to leave the central vacuole and cytoplasm of the plant cell. (Option D).

The observed changes in the plant cell can be explained by option D. The solution was hypertonic to the cell and caused water to leave the plant cell's central vacuole and cytoplasm.

In a hypertonic solution, plant cells lose water, resulting in plasmolysis - the shrinkage of the plasma membrane.

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The missing diagram is in the image attached.

when there are dented cans

Answer:

When there are dented cans.

Explanation:

Dented cans cannot protect food. People should not consume products that come in dented cans, since these cans are formed by layers of metallic materials and / or coatings inside, which due to a blow can break and their ability to protect and preserve the content would be lost , having as a consequence the possible contamination by microorganisms.

Composite volcano erupts with massive cloud of smoke and ash towering above a large volcano with steep sides.

Explanation:

A volcanic terrain composed of slowly accumulated lava erupts out to the earth’s surface through vents or openings. Depending upon the type of vent and the flow of lava, volcanoes are classified into four basic types – Cinder cone, Composite, Shield, and Lava dome volcanoes.

A Composite volcano, also called Stratovolcano, arise from grandest large mountains. These mountains usually are tall with sides being even but steep.

These mountains are built by several layers of a repeated lava flow, cinders, volcanic ash, blocks and other volcanic material.

Due to these volcanoes arising from tall mountains, these can erupt and rise to great height to even above 8,000 feet from their surroundings.

Most of the tall mountains of the world like Mt. Rainier, Mt. Hood, Mt. Shasta, Mt. St. Helen in the USA, Mt. Cotopaxi in Ecuador, and Mt. Fuji in Japan are all composite volcanoes .

Answer: Producers

Explanation: Photosynthetic organisms use the green pigment called chlorophyll to manufacture their own food in the presence of sunlight, carbon dioxide and water. These organisms are called producers or autotrophs.

Answer:

D

Explanation:

The little sprouts look like they are spiraling around the trunk and leaning towards the sun.

Answer:

D

Explanation:

The International System of Units is used just for convenience and easy communication of these scientific units.

Explanation:

Answer:

Option D

Explanation:

Options for the given questions are

A) 4 °C because this is where the glucose is in its most solid form, and oxygen is lost at its greatest rate at this temperature.

B) 30 °C because this is the average temperature for yeasts outside of the laboratory, and oxygen saturation is highest at mid-range temperatures.

C) 30 °C because this is where glucose is converted more easily into starches, and oxygen is consumed during cellular respiration.

D) 50 °C because this is the optimal temperature for enzymes responsible for cellular respiration, and oxygen is consumed during cellular respiration.

Solution-

As we are aware of this fact that dissolution of oxygen reduces with increase in the temperature of water.  The warmer the water body is, the lesser will be the amount of oxygen.  However, as the pressure increases the oxygen dissolution increases.  

Now at 50 degree Celsius, the least oxygen will be dissolved . While on the other hand  the oxygen content starts depleting because of its consumption by aquatic animals.  

Hence, Option D is correct

The type of scientific statement that is defined as a statement of fact that is generally accepted to be true and universal because it has always been observed to be true is a law, which is the third option.

In science, a law is a statement of a universal pattern or regularity that describes an observed phenomenon in nature. Laws are typically based on repeated observations or experiments and are considered factual and reliable because they have been observed to be true in all known cases. Laws do not explain why a phenomenon occurs but rather describe what happens when certain conditions are present.

Hence, a scientific statement that is defined as a statement of fact that is generally accepted to be true and universal because it has always been observed to be true is a law, which is the third option.

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Answer:6

Explanation:

Answer: proteins

Explanation: Amino acids are the building blocks or monomeric units of proteins. There are twenty naturally occurring amino acids. These amino acids are joined by peptide bonds to form polypeptide chains. During protein synthesis, the genetic code on the mRNA is read by the ribosome and the amino acid it codes for is fetched from the cytosol by the tRNA and used to make a polypeptide chain which then undergoes posttranslational modifications to form proteins.

Amino acids are used to build proteins. In living things, proteins play a number of different roles since they are substantial, complicated molecules. In addition to supporting structural functions, enzymatic activity, transport, and communication, they also participate in a variety of other biological activities.

An extended chain of amino acids called a protein is made up of these amino acid chains and peptide bonds. 20 different amino acids, each with a distinct side chain, are often found in proteins. The shape and function of a protein are governed by the particular amino acid sequence of the protein.

In order to produce a messenger RNA (mRNA) molecule, which is used by cells to manufacture proteins, transcription is the process by which a cell uses genetic information encoded in DNA to create a molecule of mRNA. A process known as translation is subsequently used to convert the mRNA molecule into a series of amino acids.

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Answer:

Heat energy is the answer

Explanation:

I hope that answers your question.

Answer:   1, 3, and 2

Explanation:

Final answer:

Out of the statements provided, it is true that one start codon and one stop codon are used in protein synthesis, and the piece of genetic code for production contains 11 codons. The start codon usually codes for methionine, not arginine, and the stop codon does not code for methionine. (options 2 and 3)

Explanation:

In considering a protein whose genetic sequence has 11 codons, several statements can be evaluated for accuracy. The protein synthesis process begins with an initiation codon and ends with a stop codon.

This means for a protein comprised of 11 codons, one of these is the start codon and typically one is the stop codon.

Answer:

A,C,and E

Explanation:

Therapeutics, diagnostics, genetically modified crops for agriculture, processed foods, bioremediation, waste management, and energy generation are just a few of the uses for biotechnology, hence option a, c, and e is correct.

The most well-known use of biotechnology is the use of genetic engineering to produce therapeutic proteins and other medications.

Mass-producing insulin, human growth hormones, follistim (to treat infertility), human albumin, monoclonal antibodies, antihemophilic factors, vaccinations, and several more medications have all been made via genetic engineering in medicine.

Therefore, in a scientific study, creatures are genetically modified to learn how certain genes operate, hence options a, c, and e are correct.

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