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Answer:

a cell

Explanation:

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Stains are made of different types of molecules, a range of enzymes are needed to break them down. ... Proteases break down proteins, so are good for blood, egg, gravy, and other protein stains. Amylases break down starches, and lipases break down fats and grease.Nov 15, 2007

The false statement about protist and Fungi is : ( D ) All of the above are correct

Protist and Fungi are similar in certain ways and are usually multicellular organisms but predominantly they are unicellular in nature.

Protist and Fungi do not move but are Eukaryotes due to the presence of a nucleus and membrane bound organelles which are absent in prokaryotes. protist have cell walls which help protect the cell just like Fungi also has its cell wall made up of Chitin and other substances.  

Hence we can conclude that the false statement about protist and Fungi is that all of the above statements are correct.

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Answer:

2

Explanation:

Answer:

The answer is A. 2

Explanation:

In anaerobic conditions, pyruvate converts to lactate through anaerobic glycolysis. Anaerobic respiration results in the production of 2 ATP molecules.

Answer:

D. Are depleted of Oxygen

Explanation:

Anaerobic respiration occurs when the amount of oxygen available is too low to support the process of aerobic respiration

Anaerobic respiration is used in conditions that are depleted of oxygen. The correct option is D.

Anaerobic respiration is the one that does not need oxygen to perform respiration. The process includes the breakdown of Glucose into ethyl alcohol, carbon dioxide, and energy in the absence of oxygen. It occurs only in the cytoplasm.

Certain bacteria and Archean perform anaerobic respiration because they are present in the region where oxygen is not present, in extreme conditions.

Many chemical processes are also done in the absence of oxygen. Like lactic acid fermentation,  decomposition, and alcoholic fermentation. When the high-intensity workout is done, the body performs anaerobic respiration.

Thus, The correct option is D. are depleted of oxygen.

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Answer:

because bill stacy was sick.

Explanation:

Bill Stacy does not have blue skin even though his mother did because of variations that occur during the segregation of alleles after fertilization.

Variations may be defined as the altered appearance among individuals in the same population. It is one of the factors that are responsible for maintaining diversity.

Due to variations, offspring do not identical to their parents. These variations have resulted from either erotic reproduction or mutation.

Therefore, Bill Stacy does not have blue skin even though his mother did because of variations that occur during the segregation of alleles after fertilization.

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There is strong evidence to suggest that a massive asteroid impact caused the mass extinction event that led to the demise of the dinosaurs. This evidence comes from various sources, including the discovery of a global layer of sediment called the K-Pg boundary, which contains high levels of iridium.

This is a rare element found in abundance in meteorites. This suggests that a large extraterrestrial object crashed into the Earth around 66 million years ago, releasing vast amounts of energy and causing widespread destruction. Additionally, there have been numerous discoveries of impact craters around the world, including the Chicxulub crater in Mexico, which is believed to be the site of the asteroid impact that led to the mass extinction. The impact would have caused massive wildfires, tsunamis, and a "nuclear winter" effect due to the massive amount of dust and debris thrown into the atmosphere, leading to a rapid cooling of the planet and a collapse of the food chain. This catastrophic event ultimately led to the extinction of the dinosaurs and many other species.

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Answer:

The correct answer would be - 9 hours.

Explanation:

The half life of a drug is the time that is required to decrease or reduced to one half of the its original achieved level or the highest amount previously taken. The half life of drug is also known as the time a drug take to complete its action.

At a dose of 500 mg the Fluoxitine drug would be 250 mg in 3 hour as it is given that half life of this drug is 3 hours, 125 mg in 6 hours, and in the end 62.5 mg in 9 hours.

Thus, the correct answer is : 9 hours.

Snakes are an important part of the ecosystem, but some of them are known to be poisonous, causing harm to humans and other animals. One such species of venomous snake found in India is the Common Krait.

Detail:

The Common Krait (Bungarus caeruleus), also known as the Indian Krait, is a highly venomous species of snake found in India and other parts of South Asia. It is a member of the elapid family, which includes some of the most venomous snakes in the world. The Common Krait is a nocturnal species, meaning it is active at night, and is commonly found in fields, forests, and near human settlements.

The Common Krait has a distinctive banded pattern on its body, with alternating black and white bands. This pattern provides excellent camouflage and helps the snake blend into its environment. The snake has a triangular head, sharp teeth, and a long, slender body that can grow up to 1.5 meters in length.

The venom of the Common Krait is a potent neurotoxin that affects the nervous system and can cause paralysis. If left untreated, a bite from this snake can be fatal. Symptoms of a krait bite include difficulty breathing, slurred speech, muscle weakness, and eventual paralysis. It is important to seek immediate medical attention if you suspect that you have been bitten by a krait.

In conclusion, the Common Krait is a dangerous species of snake that can cause harm to humans and other animals. While they are an important part of the ecosystem, it is important to be cautious and aware of their presence. By understanding the characteristics and behavior of this species, we can help prevent bites and ensure the safety of those around us.

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Answer:

-cells

-tissues

-organs

-organ systems

Explanation:

Cells are the building blocks of life, so are relatively very small. Tissues are made of cells, and organs are made of tissue. And of course, organ systems are organs working together.

Answer:

mouth--esophagus--stomach--small intestine---large intestine---rectum

Explanation:

Answer:

carbon dioxide and water.

Answer: carbon dioxide and water

Explanation: It is generally known that when carbon containing compounds burn in air CO2 and H2O are produced

RNA polymerases are the enzymes involved in transcription. RRNA makes up the majority of a RNA in cells; mRNA makes up about 3-5% of a cell's total RNA.

To create a fresh, complementary RNA molecule, RNA polymerase employs a single Stranded dna (the template to make) as a template. Termination is the procedure that puts a stop to transcribing. The RNA sequences that indicate that the translation is finished rely on termination. Where does the transcription of a gene to mRNA by RNA polymerase start? It begins following a certain nucleotide pattern known as a promoter. What role does RNA polymerase play? The expanding strand of RNA receives nucleotides as the double helix is unwound. RRNA genes are transcribed by RNA polymerase I, mRNA, miRNA, snRNA, or snoRNA genes are transcribed by RNA polymerase II, while tRNA & 5S rRNA genes are transcribed by RNA polymerase III. Answer and justification Comparisons between DNA and RNA A Template dna strand is needed for polymerases.

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The nurse should include the following instruction in the teaching for a client with angina and a new prescription for sublingual nitroglycerin tablets: C. Take two tablets at the onset of pain.

This instruction is appropriate because sublingual nitroglycerin tablets are commonly used to relieve angina pain. The tablets are placed under the tongue and absorbed through the mucous membranes, providing quick relief. Taking two tablets at the onset of pain is a typical initial dose to help alleviate symptoms.

A. Repeat up to four doses until pain is relieved: This instruction is not accurate. Nitroglycerin tablets are usually taken as needed at the onset of angina pain, but the specific number of doses should be determined by the healthcare provider. It is important to follow the prescribed dosage instructions and consult with a healthcare professional if the pain persists.

B. Store unused tablets at room temperature: This instruction is generally correct. Nitroglycerin tablets should be stored in a cool, dry place at room temperature, away from moisture and heat. However, it is important to check the specific storage instructions provided by the medication manufacturer or healthcare provider.

D. Take medication 2-hour period to exercise: This instruction is not accurate. Nitroglycerin tablets are typically taken at the onset of angina pain to relieve symptoms, rather than on a specific time schedule related to exercise. The timing of medication administration should be discussed with the healthcare provider, considering factors such as the client's specific condition and the individual's response to exercise.

In summary, the nurse should include the instruction to take two tablets at the onset of pain when teaching a client with angina and a new prescription for sublingual nitroglycerin tablets.

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Answer:

A support and protect the cell

The structure of DNA is a double helix, which is made up of two connected strands that loop around one another to resemble a tangled ladder. Each strand's backbone is made up of phosphate and deoxyribose groups in alternating fashion.

The double helix, which resembles a twisted ladder, is the shape of DNA. Phosphate and sugar molecules alternately make up the edges of the ladder.

Its backbone, which forms the ladder's "sides," is made up of an alternation of the chemicals phosphate and sugar. (The sugar that makes up DNA's backbone is known by the name deoxyribose.) Adenine (A), thymine (T), cytosine (C), and guanine (G) are the four nitrogenous bases sandwiched between both the two sides of this sugar-phosphate backbone (G).

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TCS food should be cooled within six hours. According to the US Food and Drug Administration (FDA) guidelines, cooked TCS food should be cooled within six hours.

Cooling food down rapidly is important to prevent the growth of bacteria and other harmful pathogens that can cause foodborne illness.TCS refers to foods that require time and temperature control for safety, such as meat, poultry, fish, dairy products, and cooked rice. When these foods are cooked and then left at room temperature for too long, bacteria can grow and multiply quickly. To prevent this from happening, it's important to cool TCS foods down as quickly as possible.

The FDA recommends using one of the following methods to cool TCS foods:

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The mean height of the population of palm trees is estimated to be approximately 298 feet based on the given information.

To find the mean height of the population of palm trees, we need to consider the selection response (R) and the selection differential (S).

The selection response (R) represents the difference between the average height of the progeny (128 feet) and the average height of the original population.

Therefore, the average height of the original population would be R added to the progeny average, which is:

128 + 70 = 198 feet.

The selection differential (S) represents the difference between the height of the selected individuals and the average height of the original population.

Thus, the average height of the selected individuals would be S added to the average height of the original population, which is:

198 + 100 = 298 feet.

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The appropriate question is:

Find the mean height of a population of palm trees with the following information: Trees with heights of 140 feet are bred, and the average height of the progeny is 128 feet. The selection response, R, is 70, and the selection differential, S, Is 100.

Answer:

the option B is correct

Explanation:

because the no. of atoms are same in both LHS and RHS

Explanation:

it's b

Al2(SO4)3 + 3BaCl2 ➡ 2AlCl3 + 3BaSO4

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Answer: The heart, just like any other organ, requires blood to supply it with oxygen and other nutrients so that it can do its work. The heart does not extract oxygen and other nutrients from the blood flowing inside it -- it gets its blood from coronary arteries that eventually carry blood within the heart muscle.

Explanation:

site, health.howstuffworks.com/human-body/systems/circulatory/heart5.htm

Answer:

Water is a chemical compound and polar molecule, which is liquid at standard temperature and pressure. It has the chemical formula H2O, meaning that one molecule of water is composed of two hydrogen atoms and one oxygen atom. Water is found almost everywhere on earth and is required by all known life. About 70% of the Earth's surface is covered by water. Water is known to exist, in ice form, on several other bodies in the solar system and beyond, and proof that it exists (or did exist) in liquid form anywhere besides Earth would be strong evidence of extraterrestrial life.

Explanation:

hope it helps maya

Answer:For the cells of these two cells, in animal cells, there is nodentification, and in plant cells, intermediate lamella formation is observed. form by the Golgi organelle

Explanation:

There are several major differences between mitosis in animal cells and mitosis in plant cells that can be observed. Firstly, during mitosis in animal cells, a cleavage furrow is formed, which helps to separate the two daughter cells, while in plant cells, a cell plate is formed, which eventually becomes a cell wall. This is due to the presence of a cell wall in plant cells that needs to be synthesized in order to separate the two daughter cells.

Secondly, in animal cells, centrosomes play a crucial role in organizing the microtubules that pull apart the chromosomes, while in plant cells, the spindle fibers are attached to the cell wall. Plant cells do not have centrosomes and instead use specialized microtubule organizing centers called spindle poles to guide the division of chromosomes.

Thirdly, during mitosis in animal cells, the chromosomes move towards the poles of the cell in a random fashion, while in plant cells, the chromosomes are guided to their respective poles by the spindle fibers. This is because plant cells have a rigid cell wall that restricts their movement.

Lastly, in animal cells, cytokinesis occurs after the completion of mitosis, while in plant cells, cytokinesis occurs simultaneously with mitosis. This is because the presence of a cell wall in plant cells requires the simultaneous synthesis of a new cell wall to divide the two daughter cells.

In conclusion, the major differences observed between mitosis in animal cells and mitosis in plant cells can be attributed to the presence of a cell wall in plant cells, the absence of centrosomes in plant cells, and the different mechanisms used to guide the chromosomes during division.

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Answer:

ANS 1) Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms. Currents are cohesive streams of seawater that circulate through the ocean.

ANS 2)n the deep ocean, the predominant driving force is differences in density, caused by salinity and temperature variations (increasing salinity and lowering the temperature of a fluid both increase its density). There is often confusion over the components of the circulation that are wind and density driven.

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Explanation:

Answer:

Endosymbiosis theory: the symbiosis of a free-living organism that eventually got trapped in eukaryotic cells

Explanation:

The correct option that describes the stereospecific formation of a citric acid cycle intermediate is "Only one of the enantiomers of aconitate can be formed enzymatically from isocitrate."

The Citric acid cycle, also known as the Krebs cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins. Citric acid cycle intermediate can be formed stereo specifically indicating that only one of the enantiomers is generated.

In the citric acid cycle, the intermediate isocitrate is oxidized by NAD+, creating α-ketoglutarate and NADH while decarboxylating CO2. Afterward, aconitase catalyzes the stereospecific transformation of isocitrate to cis-aconitate and then to trans-aconitate in a two-step reaction.Cis-aconitate and trans-aconitate are isomeric; nonetheless, only one of these isomers is made stereospecifically from isocitrate enzymatically. Cis-aconitate is eventually converted to the cis-isomer through the action of aconitase, which then converts it to isocitrate.

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Answer:

ZINC IS A METAL!!!!!!

Explanation:

families 2- 12 are ALL metals and zinc is part of family 12 therefore zinc IS ACTUALLY A METAL

The option that puts the most oil into ocean waters is C. runoff from cars and trucks.

Although large-scale oil spills from accidents like the Deepwater Horizon or leaking oil tankers often make headlines, they are relatively infrequent events. Runoff from cars and trucks, on the other hand, is a more pervasive and continuous source of oil pollution in the ocean.

Oil residues from roads, parking lots, and vehicles enter stormwater systems, which eventually discharge into rivers, lakes, and oceans. Ballast water can contain oil, but its contribution to ocean oil pollution is comparatively minimal. Therefore, the most significant source of oil in ocean waters comes from everyday runoff from cars and trucks.

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Answer:

See the answer below

Explanation:

The amount of glucose in the blood is regulated by the negative feedback mechanism.

When the glucose level in the blood increased beyond the normal level, the pancreas secretes insulin which converts the excess glucose to glycogen. Glycogen is stored in the liver and the muscles.

When a person has not eaten for a while and the glcose level drops beyond normal, glycogen is converted back to glucose and released into the blood by another enzyme produced by the pancreas, glucagon.

An abiotic factor is a non-living part of an ecosystem, including its physical and chemical aspects.

Examples of abiotic factors include:

Sunlight: It is the source of energy for plants and affects animal habits.

Temperature: It affects the life of every species, determining where they can exist, afects metabolic reactions and is determinant for the variation of plants and animals.

Atmosphere: It sustains life on earth protecting animals from UV radiation for example.

Humidity: it affects the internal balance of organisms.

Soil: It is a source of nutrients for plants, therefore its composition affects their functions

The depth of a body of water can also be considered an abiotic factor. It affetcs for example the type of species that can live there and it determines the preassure they would have to withstand.