Which of the following expressions is written in scientific notation? O 12.10-3 O 10.103 0.3.10 4 02.10 -5 Mittramm​

Explanation:

The sequence of amino acids in the chain determines how the chain will fold up to make the protein, so different proteins have different three-dimensional shapes. ... This is because proteins form attachments and interact with many other molecules and structures inside organisms.

Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A

Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.

One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.

EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.

Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.

While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.

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Encounter due to injury suffered due to the shirt on fire while cooking - ICD 10 - T29 Burns and corrosion of multiple body regions.

Breakfast in the kitchen of your mobile home.- CID 10 X51.8 Travel and movement

The International Classification of Diseases and Related Health Problems, better known as the ICD, is one of the main epidemiological tools in everyday medical practice. The main function of the ICD is to monitor the incidence and prevalence of diseases, through universal standardization.

With this information, we can conclude that ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems

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It's volcanic activity.

Explanation:

Volcanic Activity

Answer:

hope this helps

Explanation:

Dr Fernando Montealegre-Z, from the School of Life Sciences, University of Lincoln, UK, said: "To call distant females, male katydids produce songs by 'stridulation' where one wing (the scraper) rubs against a row of 'teeth' on the other wing. The scraper is next to a vibrating drum that acts like a speaker. The forewings and drums are unusually reduced in size in the Supersonus species, yet they still manage to be highly ultrasonic and very loud."

The insect that is considered the strongest singer in the animal kingdom is actually the male cicada. Male cicadas produce loud and distinctive mating calls using specialized sound-producing organs called "tymbals" located on their abdomen.

Cicadas are known for their loud and persistent buzzing or chirping noises, which can reach up to 120 decibels. This is comparable to the noise level of a rock concert or a chainsaw. The high-pitched mating calls of some species of cicadas can be heard from great distances and are often described as a chorus. However, among insects, cicadas are certainly among the most notable for their impressive vocalizations.

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Answer:

Relational

Explanation:

It's on quizlet.

Answer:

Simulation

Explanation:

Simulation us use to letting us see good pattern in nature because it is a research methodology that project past and future outcomes. It is use the analyse the behavior of present or future new products, a new manufacturing project or the upcoming business activity. It help people to see the patterns in nature these will fall into. It is a computer model that allow the conduction of it's experiments.

Answer:

it’s A

Explanation:

Cells store energy in the form of ATP, or adenosine triphosphate. ATP is a molecule produced as a result of cellular respiration, and storing energy.

hope this help!

Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.

The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.

The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.

When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.

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A scientific argument is a method that researchers use to direct their work. In order to ultimately improve rational explanations and experimental designs, scientists point out flaws and limitations in other people's arguments. Evidence-based arguments is the term for this technique.

The aim of scientific reasoning is to assess the reliability and validity of methods and results. It would be appropriate to accept the scientific research if one could validate and demonstrate all of the points made. This part is structured around the four components of scientific argumentation

The method by which research, as a field, creates and greater integration, is through scientific debate. Other scientists assess and analyze the assertions, supporting evidence, and explanations of that evidence when scientists make arguments in favor of novel theories.

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Answer:

D. Autism

Explanation:

Autism is a neurological and developmental disorder that begins early in childhood and lasts throughout a person's life. It affects how a person acts and interacts with others, communicates, and learns.

Answer:

D.autism

Fact-

Neurodevelopmental disorders are a group of conditions in which the growth and development of the brain is affected. This can impact an individual's language, emotions, behavior, self-control, learning and memory.

Explanation:

HGD

Answer: it either all of them or mouse.

Explanation:

Answer:

no

Explanation:

incubation varies for different species.

Answer:

Explanation:

The suggested hypothesis is that fermentation may be to blame for the rise in lactate levels.

Bacteria with the capacity to utilize a variety of carbohydrate sources create lactic acid through the fermentation process. The primary bacteria utilised to create lactic acid are lactic acid bacteria, and among these, Lactobacillus spp. have demonstrated intriguing fermentation abilities.

Lactic acid fermentation was a consequence of a deficiency in oxygen inside the muscle cells. This is because oxygen is required by the cell as a terminal electron acceptor in order to make ATP.

Therefore, The suggested hypothesis is that fermentation may be to blame for the rise in lactate levels.

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There are two alleles in a population that influence a specific attribute. Using the letters "A" for the dominant allele and "a" for the recessive allele. A allele frequency is 0.7, whereas frequency of allele is 0.09.

The frequency of the A allele is 0.7, or 70%, since homozygous dominant (AA) genotypes account for 70% of the population. Similarly, since homozygous recessive (aa) alleles make up 9% of the population, we can infer that the frequency of the recessive allele, a, is 0.09, or 9%.

The formula 2pq = frequency of heterozygotes, where p is the frequency of the A allele and q is the frequency of the an allele, can be used to determine the frequency of the heterozygous genotype (Aa).

We know that the frequency of heterozygotes is 0.21, or 21%.

Plugging in the known values:

2 * 0.7 * q = 0.21

Solving for q:

q = 0.15

So, the frequency of the A allele is 0.7, and the frequency of the a allele is 0.09.

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The glenoid fossa, a component of the humeral head, articulates with the head of the humerus at the shoulder joint, which is a ball-and-socket joint the scapula.

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It is believed that hyper sanitation may lead to allergy epidemic : True.

There is a hypothesis known as the hygiene hypothesis, which suggests that increased cleanliness and reduced exposure to certain microbes and parasites in childhood can cause overactive immune system and increased risk of developing allergies and autoimmune diseases later in life.

While the exact mechanisms are still being studied, some researchers believe that excessive use of antibiotics and disinfectants and lack of exposure to microbes and parasites, may be contributing factors to the rise in allergies and autoimmune diseases in the recent decades. It is important to note that this is still a developing area of research and more studies are needed to fully understand relationship between hygiene and allergies.

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As written in the question the level of carbon dioxide in sea water increases which is wrong because the level of carbon dioxide in sea water is not increasing directly it is increasing because the amount of carbon dioxide in the atmosphere increased.

Carbon dioxide is defined as the chemical compound that is made up of molecules each containing a carbon atom covalently linked to two oxygen atoms found in the gaseous state at room temperature. In air, carbon dioxide is transparent to visible light but absorbs infrared radiation, acting as a greenhouse gas.

In the virtual lab, we will have to blow the \(CO_2\) we exhale into sea water using a straw which will create bubbles of \(CO_2\)  that will mix with the sea water. A pH meter will then be used to measure the acidity of the sea water.

So, as written in the question the level of carbon dioxide in sea water increases which is wrong because the level of carbon dioxide in sea water is not increasing directly it is increasing because the amount of carbon dioxide in the atmosphere increased.

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Answer: Plants, animals, and the environment.

Explanation:

All of the options are chemical approaches to control micro-organism excepts: B Disinfectants

19. The scientific name for modern man is: B. Homo sapiens

20. kingdoms are prokaryotic organisms placed D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm

22.  taxonomic groups contains closely related organisms A. Genus

23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium

24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi

25. Ecology is a biological science that deals with except: D. none

26. The organism that are consumer is D. Scavengers

Disinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.

Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.

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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants

19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens

20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm

22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class

23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium

24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population

25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none​

26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers

Answer:

A Chemical change has occured

Explanation:

A substance requires energy to move across a membrane when it moves from (C) Low concentration to High concentration

The process of moving a substance across the cell membrane from high to low concentration is known as passive transport, which does not require energy. Active transport, on the other hand, is the process of moving a substance from low to high concentration, which requires energy.

The movement of molecules against their concentration gradient (low to high concentration) requires an energy source, which is usually in the form of ATP (adenosine triphosphate). Low concentration to High concentration. During active transport, the substance moves against its concentration gradient, which means it moves from an area of lower concentration to an area of higher concentration.

This process requires energy, which is provided by ATP. Active transport is responsible for the uptake of nutrients, such as glucose and amino acids, in cells. The process of active transport is crucial in maintaining the proper concentration of ions in cells. Additionally, active transport is essential for maintaining the pH of cells and the function of enzymes. Overall, active transport is an energy-intensive process that is vital for cellular homeostasis and function. The correct answer is C.

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Answer:

Charles Darwin proposed the theory of natural selection.

A neurotransmitter from a presynaptic neuron causes an inhibitory postsynaptic potentials (IPSPs), in the postysynaptic neuron. The following event will occur first : Potassium ligand-gated channels open.

Inhibitory postsynaptic potentials or IPSPs, on the other hand, are triggered by the opening of chloride channels. The equilibrium potential of chloride is -65 mV. Thus, if a neuron is resting at −60 mV, chloride channels will flow into the cell due to the electrochemical gradient when the chloride channels open.

As an inhibitory neurotransmitter, GABA normally causes hyperpolarization of postsynaptic neurons, producing inhibitory postsynaptic potentials (IPSPs), whereas glutamate causes depolarization of postsynaptic neurons, producing excitatory postsynaptic potentials ( EPSP).

IPSPs are generated when inhibitory presynaptic cells attach to dendrites and initiate action potentials. Presynaptic inhibitory neurons are involved in the release of specific neurotransmitters.

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Answer:

Enzyme catalyze chemical reaction to speed up the chemical reaction. They lower the activation energy (energy needed to start up a reaction) and thus the chemical reaction speeds up. In the presence of enzymes, the chemical reaction occurs faster. However, if enzymes aren't present in a chemical reaction, it will take more time to complete. So, Enzymes are somehow really important.

Answer:

Enzymes speed up a chemical reaction and it acts by lowering the energy barrier and this makes more reactant to react when they collide.