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Photosynthesis is a biological process that occurs in plants, algae, and some bacteria. It is the process by which these organisms convert light energy from the sun into chemical energy in the form of glucose (a type of sugar).

Answer:

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1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.

Answer:

erosion can shape the land , for example the Grand Canyon

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

Explanation:

Answer:

The Correct answer is A that is Plain Fisheries

Explanation:

Plain Fisheries for ex- Carp and Tilapia are used as a major source of protein because These Fish contain all the essential amino acids which makes them a high-quality source of protein.

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Answer:

Research suggests that species endemism and richness generally increase with increasing altitude. This is because of the greater range of different habitats and niches available in higher altitudes, which provides more opportunities for species to specialize and develop local adaptations. Additionally, the climate in higher altitudes tends to be more extreme, creating more opportunities for species to evolve and diversify in response to the changing conditions.

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Answer:

The correct answer is - c. fully expanded gel

Explanation:

PolyN ethylmethacrylamide (PNEMAM) is a negative temperature based hydrogel, these type of gels have LCST or lower critical solution temperature. Under the LCST this polymer get swollen and above the LCST it contracts.

In the question, it is mentioned that this hydrogel has a LCST of 58-degree celsius which is implanted in the human body that normally has a temperature of 37-degree celsius which is below the LCST so the polymer would expand or swell.

Answer:

Glycolysis

Explanation:

Glycolysis is the first step in both aerobic and anaerobic respiration.

In the presence of oxygen, oxidative phosphorylation is the first stage of cellular respiration.

Cellular respiration may be characterized as a type of chemical process through which oxygen is utilized in order to derive energy from carbohydrates (sugars). This chemical process involves the breakdown of food in the cell with the release of energy.

The three stages of aerobic cellular respiration are glycolysis (an anaerobic process), the Krebs cycle, and oxidative phosphorylation. Glycolysis, which is the first step in all types of cellular respiration is anaerobic and does not require oxygen. If oxygen is present, the pathway will continue and perform oxidative phosphorylation.

Therefore, In the presence of oxygen, oxidative phosphorylation is the first stage of cellular respiration.

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The stomach of mouse is divided into a glandular (forestomach) and a nonglandular stomach. This region is separated by a ridge around the entrance of the esophagus. The ridge is formed by the thickened lamina propria of the non-glandular stomach. The non-glandular stomach is lined by stratified squamous epithelium, and the glandular stomach is lined by glandular epithelium.

The glandular region contains three types of glands:

The mouse, as well as many other species, has three paired salivary glands - submaxillary (submandibular), parotid, and sublingual (Frith and Townsend, 1985). All three major salivary glands are closely associated and located in the subcutaneous tissue of the ventral neck area.

The submaxillary are the largest and easiest of the salivary glands to identify grossly. They are lobulated, extend posteriorly to the sternum and clavicle, anteriorly to the hyoid bone, and medially to overlap slightly on the median line. Submaxillary salivary glands of male mice are larger and more opaque than those of females.
The much smaller sublingual salivary glands are closely associated with the anterolateral surface of the submaxillary salivary glands.

The parotid salivary glands are lobulated and the most diffuse of the three salivary glands. They extend from the base of the ears, where they overlie the morphologically similar exorbital lacrimal gland, posterior to the clavicle. The parotid salivary glands are classified as serous glands, the sublingual salivary glands as mucous glands and the submaxillary (submandibular) as mixed glands.

The salivary glands secrete saliva which has both a chemical and a mechanical function. The mucous secretion aids in swallowing of food and keeping the mouth moist, and the serous secretion adjusts pH, dilutes food, makes it possible to taste food and hydrolyzes the carbohydrates.

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Answer:

Pulsed UV Disinfection.

Maceration.

Air Steriliser.

Fogging Machine.

Long-Lasting, Alcohol-Free, Hand And Surface Sanitisers.

Explanation:

Equilibrium occurs when supply and demand coordinate to balance each other out and set excess demand. This means that the quantity of goods or services supplied is equal to the quantity demanded in a given market, and there is no excess demand or excess supply. Hence option A is correct.

In order to achieve equilibrium, prices and production levels may need to be adjusted. If there is excess demand, meaning that the quantity demanded is greater than the quantity supplied, prices may need to be raised and production may need to be increased to meet the demand. On the other hand, if there is excess supply, meaning that the quantity supplied is greater than the quantity demanded, prices may need to be lowered and production may need to be decreased in order to reduce the supply.

Overall, equilibrium occurs when supply and demand are in balance, and prices and production levels are adjusted to maintain this balance.

Hence option A is correct.

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Answer:

Carbon dioxide and oxygen cannot pass through the cuticle, but move in and out of leaves through openings called stomata (stoma = "hole"). Guard cells control the opening and closing of stomata. When stomata are open to allow gases to cross the leaf surface, the plant loses water vapor to the atmosphere.  Photosynthesis also removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.

Answer: The genetic code is essentially the same for all organisms. From this, one can logically assume which of the following? A gene from an organism can theoretically be expressed by any other organism.

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Answer:

Dicer

RNA-dependent RNA polymerase amplifies siRNAs by binding to them and making more dsRNA, which is recognized and cleaved by Dicer into secondary siRNAs. The result is the silencing of genes by amplifying the RNAi effect. In certain cases RNAi also silences genes by the formation of heterochromatin.

We have that the diagnosis is given as

He appears to be infected by Gram negative rods , this thrives anaerobically and causing tissue necrosis is clostridium.

From the question we are told

A 64-year old diabetic patient is admitted to the hospital with soft tissue necrosis

Generally the diagnosis is straight forward

He appears to be infected by Gram negative rods , this thrives anaerobically and causing tissue necrosis is clostridium.

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Half will have red flowers and half will have white flowers (option c).

In camellia plants, flower color is controlled by a single gene with codominant alleles. In this case, one parent plant has red flowers (R), while the other parent plant has white flowers (WW).

When two organisms with codominant alleles are crossed, both alleles are expressed equally in the offspring. Therefore, in this cross, the offspring will inherit one allele for red flowers (R) from the red-flowered parent and one allele for white flowers (W) from the white-flowered parent.

The possible combinations of alleles that the offspring can inherit are RW and RW.

When the alleles RW and RW combine, the resulting genotypes are RR (red-flowered) and RW (pink-flowered). However, since the allele for white flowers (W) is recessive to the allele for red flowers (R), the plants with the RW genotype will exhibit the dominant red flower phenotype.

Therefore, half of the offspring will have the RR genotype and display red flowers, while the other half will have the RW genotype and also display red flowers. None of the offspring will have the WW genotype, so there won't be any white flowers.

Hence, the expected phenotypes of the offspring of this cross are that half will have red flowers and half will have white flowers. Thus, the correct option is c.

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Answer:

Catalysts, enzymes

Explanation:

Catalysts are known for reducing the activation energy of a reaction thus increasing the reaction rate.

Enzymes are a type of catalyst.

Human Immunodeficiency Virus (HIV) attacks the immune system, leaving the body vulnerable to infections and diseases. It is transmitted through the exchange of bodily fluids.

Acquired Immune Deficiency Syndrome (AIDS) occurs when HIV has severely damaged the immune system, causing opportunistic infections and other diseases to occur.

Once inside the body, the virus targets and destroys CD4 T cells, which are crucial for the proper functioning of the immune system. This weakens the immune system and makes it more difficult for the body to fight off infections and diseases.

AIDS is diagnosed when an individual's CD4 T cell count falls below a certain level and/or when they develop certain infections or cancers that are rare in people with healthy immune systems.

Although HIV is the virus that causes AIDS, not everyone who has HIV will develop AIDS. With proper medical care, people with HIV can control the virus and prevent the progression to AIDS. However, without treatment, HIV can progress to AIDS and can be fatal.

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High soil moisture causes transpiration to increase by increasing the water potential of the plant, increasing the relative humidity of the atmosphere, and increasing the turgor pressure of the plant cells. Here high soil moisture is the correct answer.

Transpiration is the loss of water vapour from the surfaces of a plant or a leaf. A condition that causes transpiration to increase is high soil moisture. Plants get water from the soil through their roots. High soil moisture increases the water content of the soil and the water potential of the plant. The water potential of the plant is the measure of the pressure required to extract water from the plant. High soil moisture reduces the water potential gradient between the soil and the plant.

The high soil moisture creates a favourable condition for transpiration because it increases the relative humidity of the atmosphere around the plant. Transpiration occurs because the air surrounding the leaf is drier than the air inside the leaf. When the relative humidity of the atmosphere is high, the rate of transpiration increases.

The high soil moisture also increases the turgor pressure of the plant cells. Turgor pressure is the pressure that water exerts on the cell wall of the plant. The turgor pressure is what keeps the plant cells rigid. When the turgor pressure is high, the rate of transpiration increases. Therefore high soil moisture is the correct answer.

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Answer:

#3 is the answer

Explanation:

Answer:

The answer is c

Learned behavior is obtained during an animal’s life span. Inherited behavior is something that animals are born with.

Exercising at a level that causes your heart rate to range between 70% and 90% of its maximum. The maximal heart rate for women is calculated using the formula 206 – 88 percent of age.

Although it tends to underestimate the maximum heart rate of women, the long-used formula for calculating a person's maximum heart rate, 220 minus age, is still regarded as useful for assessing a man's rate. Women's maximal heart rates can now be predicted more precisely thanks to a new formula described in the article "Heart Rate Response to Exercise Stress Testing in Asymptomatic Women" by Martha Gulati and colleagues, which appeared in the "Circulation" magazine's July 13, 2010, issue. Women use the formula age minus 206 and 88 percent.

A projected maximum heart rate for a 35-year-old woman, for instance, would be 206 minuses [(0.88) times 35] or 206 minus 30.8 or 175 beats per minute.

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The phenotypic ratio for each sex would be 2:1:1 in situation where they have 3 children.; Females 100% wild-eyed and Males 50% wild-eyed and 50% white-eyed.

Phenotypic ratio is defind as the proportion or ratio of different observable physical traits or characteristcs seen by a group of individuals, usually as a result of a genetic cross or breeding experiment.

In a cross between a white-eyed male and a pure breeding wild eye female, considering that thy  there are 3 wild-eyed offspring (2 females and 1 male) and 1 white-eyed offspring (1 male) in the Punnett square. The ratio will be 2:1:1 given that 2 females are wild eye, one male is white eyed and one  wild eye

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A gene's alternative form is called an allele. Several genes exist in a multitude of forms, all of which share the same chromosomal location, or genetic locus.

A unit of hereditary data is a gene. Genes are composed of DNA, a complex molecule that codes genetic information for the transmission of inherited traits, with the exception of some viruses. Alleles are genetic sequences that also code for the inheritance of characteristics.

Genes are the most fundamental and useful unit of heredity. In other terms, it indicates that genes are responsible for our DNA structure and all of the hereditary qualities we possess.

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River is a freshwater biome is characterized by fast-flowing water that can originate from underground springs or runoff, which carries sediment and organic material. Because of gravity, water flows from a higher height to a lower elevation to produce rivers.

Freshwater biomes include lakes, ponds, rivers, streams, and wetlands; they vary in depth, water movement, and other abiotic elements. When rain falls on land, it either seeps into the ground or transforms into runoff, which travels to the sea by flowing downhill into rivers and lakes as freshwater biomes.

A river is a significant, un-manmade stream of moving freshwater. On practically every type of land and on every continent, rivers can be found. Some flow continuously throughout the year. Others flow sporadically or during wet years.

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Answer:

True

Explanation:

Answer:

True

Explanation:

Answer:

Explanation:

Combustion of fossil fuels: Burning coal, oil, and natural gas to produce energy releases carbon dioxide (CO2) into the atmosphere.

Other processes that can release carbon into the air include:

Deforestation: Trees absorb carbon dioxide through photosynthesis, and cutting down forests can release the carbon stored in the trees and soil.

Volcanic activity: Volcanic eruptions can release carbon dioxide and other greenhouse gases into the atmosphere.

Decomposition: When organic matter such as plants, animals, and other living organisms decompose, they release carbon dioxide and other gases into the atmosphere.

Ocean outgassing: The ocean absorbs and releases carbon dioxide as part of its natural cycles, and some of this carbon can be released into the air.

It's important to note that while some of these processes are natural, human activities such as burning fossil fuels and deforestation have significantly increased the amount of carbon dioxide in the atmosphere, leading to climate change.

Answer: a element is a part or aspect of something abstract , especially one that is essential or characteristic YES water is an element

Explanation:

Answer: yes it is..

Explanation:

Answer:

producers

Explanation:

producers are usually plants and veggies/ fruits. These producers don't get their energy from other organisims. They get it from sunlight and water etc. They are the end stage of the food chain.