Alandscaper is shopping for landscaping materials. She wants to use materials through which water flows easily. Which two materials should she choose? O clay and gravel O gravel and loosely packed soil granite and rocks with cracks O rocks with cracks and clay​

Phenols and glycosides are pre-existing defense mechanisms in plants' immune systems. These compounds are part of the plant's chemical defense arsenal and are present in various tissues even before any attack or infection occurs.

Phenols are secondary metabolites found in plants that have antimicrobial and antioxidant properties. They contribute to the plant's defense against pathogens by inhibiting the growth and development of microorganisms. Phenols also play a role in wound healing and lignification, which strengthen the plant's cell walls.

Glycosides are another class of secondary metabolites found in plants that have diverse functions, including defense against herbivores and pathogens. Some glycosides act as toxic compounds when ingested by herbivores, while others can inhibit the growth of microorganisms or interfere with their feeding behavior.

Both phenols and glycosides are produced by plants as part of their constitutive defenses, meaning they are present at baseline levels even in the absence of stress or attack. However, their production can be further induced or enhanced in response to specific stimuli, such as pathogen invasion or herbivore feeding.

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B... just took it on egd 2021.

Answer:

a niche is a particular place and organism of an ecosystem occupies

Explanation:

Most articles pass right through the atom, this means that most of the atom is an empty space.

An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.

Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.

As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.

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We  can see here that going through the answers provided in the image, we can deduce that they are correct though it will be proper to cross-check before submitting.

Nucleic acids are biomolecules that play a crucial role in storing, transmitting, and expressing genetic information in living organisms. They are essential for the functioning and inheritance of genetic traits.

Both DNA and RNA are polymers made up of repeating units called nucleotides. Each nucleotide consists of three components: a sugar molecule (deoxyribose in DNA and ribose in RNA), a phosphate group, and a nitrogenous base.

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This statement is true.

The rocks found at the bottom of a river smooth and flat because those are collides with each other.

Explanation:

At the bottom of the river, the rocks which are found are very smooth and the shape of these rocks are flat because the rocks at the bottom collide with each other.

This results in the chipping off parts of the rocks and this results in the surface of the rock to become smooth and becoming flat. Moreover the sand found at the bottom acts as a sand paper creating resistance and smooth-ens the rocks at the bottom of the river.

Abrasion, which is the physical wearing away of a material by friction, is the process that results in the formation of smooth and flat rocks often found at the bottom of rivers.

Abrasion is the process of rubbing or scraping away a material, by rubbing against a rough surface or causing friction. This type of mechanical weathering can be brought about by a variety of things, including wind, water, snow, and human action. Rock, metal, plastic and wood are some of the materials that may be subject to abrasion.

This may result in material loss and modification of the appearance and texture of the surface. Natural features such as the smoothness of river boulders or the roundness of pebbles on a beach can also be the result of friction. Sandblasting, grinding and polishing are some examples of industrial abrasive applications.

Therefore, Abrasion, which is the physical wearing away of a material by friction, is the process that results in the formation of smooth and flat rocks often found at the bottom of rivers.

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Answer:

Enzymes are very specific for their substrates.

Most biochemical reactions happening in your body require the help of enzymes.

The part of enzyme that contacts with the substrates is active.

For their substrates, enzymes are extremely specialized. Enzymes are necessary for the majority of metabolic processes that take place within your body. It is active where the enzyme comes into touch with the substrates.

What are the functional property of enzyme?

Enzymes only allow specific substrates to attach to their active site, they are unique to those substrates.

This is because the active site's design prevents other substrates from attaching to it. In the discipline of biology, there is a model called the lock and key model that is widely used.

Therefore, most biochemical reactions happening in your body require the help of enzymes.

When an enzyme's protein chain folds or, in the case of multiunit enzymes, when several protein subunits come together, the active sites are created.

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Answer:

Genes from both parents were recessive

Explanation:

The reduced electron carriers generated by the citric acid cycle are restricted to the matrix by mitochondrial structure. There, they are adjacent to the respiratory complexes of the electron transport chain, which will transfer the electrons from the carriers made by the TCA cycle to oxygen, the final recipient of electrons and hydrogens.

Citric Acid Cycle:

The pyruvate molecules generated at the conclusion of glycolysis are carried into mitochondria, which are locations of cellular respiration, in eukaryotic cells. By eliminating a carbon dioxide molecule in the mitochondria, pyruvate is converted into a two-carbon acetyl group, which is then taken up by the carrier substance coenzyme A. (CoA). The end product is known as acetyl CoA.

The citric acid cycle occurs in the matrix of the mitochondria in eukaryotic cells. The eight phases of the cycle are a sequence of chemical processes that result in the production of two molecules of carbon dioxide, one molecule of ATP, and the reduced versions of NAD+ and FAD+, known as NADH and FADH2, which are crucial coenzymes for cell function. Because the NADH and FADH2 generated must transport their electrons to the system's next pathway, which uses oxygen, part of this is regarded as an aerobic pathway. This transmission is not possible without oxygen.

Electron Transport Chain:

However, the majority of the ATP produced during the aerobic breakdown of glucose does not come from these mechanisms. Instead, it results from a procedure that starts with the transfer of electrons through a series of chemical events to an ultimate electron acceptor, oxygen. Both eukaryotic organisms' mitochondrial inner membranes and prokaryotic organisms' inner cell membranes contain specific protein complexes where these processes occur. A gradient of electrochemistry is produced across the inner mitochondrial membrane by harnessing the energy of the electrons. ATP is produced using the potential energy of this gradient. This entire procedure is known as oxidative phosphorylation.

The sole aspect of metabolism that employs ambient oxygen is the electron transport chain, which is the final stage of aerobic respiration. The electron transport chain is made up of the aggregation of the four protein complexes I through IV as well as any related mobile, accessory electron carriers.

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Answer:

the last one , the second to last one and the first one I am pretty sure

A, C and D are the student-Drawn Cell Models  that Contain Two Chromosomes.

Every cell in your body has DNA, which is the form in which your genetic code is stored. It creates your body's manual of operations. Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule.

A chromosome is referred to be a "homologous chromosome" if it has a similar genetic makeup but also includes replication-induced variations. Sister chromatids are the two halves of a certain chromosome that are joined at the centromere. Chromosomes known as "replication chromosomes" arise after the cell has undergone the process of DNA replication to prepare for cell division.

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Answer:

the chloroplast

Explanation:

Photosynthesis takes place in the chloroplast, a specialized intracellular organelle found in plants and algae, which emerged considerably later. During the day, photosynthesis is carried out by chloroplasts. The photosynthetic cells employ NADPH and ATP, the direct results of photosynthesis, to make a variety of chemical compounds.

Answer:

Here are some uses of biotechnology in the production of washing powders:

Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains.  Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.

Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.

Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.

Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.

Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.

Explanation:

The "exfoliation" or "shedding" of milk teeth is the name of the procedure.

The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).

Four Different Teeth Types and Their Purposes

The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:

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Answer:

When u have a larger population at hand the chances of your predictions being right are higher.

Answer:

The answer is Sedimentary rock.

Explanation:

The stream water slows down when it enters a pond, allowing the rock particles to settle at the bottom of the pond. Pressure combines these particles into a solid rock.

Answer:

The answer is Sedimentary rock.

Explanation:

The stream water slows down when it enters a pond, allowing the rock particles to settle at the bottom of the pond. Pressure combines these particles into a solid rock.

credit to the guy with the first answer

Based on the information in the graph, the hypothesis that cutting the trees causes the area to lose nutrients more quickly is true.

The graph compares calcium loss in two areas, one that was a disturbed watershed (blue) and the other was an undisturbed watershed (purple).

Based on the observation of the graph, it can be seen that for the disturbed watershed the calcium loss drastically increase during the deforestation stage, while in the undisturbed watershed, the loss was stable. Based on this, the hypothesis is validated.

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Answer:

polyploldy is the answer

Answer:

D

Explanation:

Since algae is the start or the foundation of the food chain, this would mean that animals that eat the algae will be more commonly found here. And where their are consumers, predators are to follow.

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Answer:

D

Explanation:

Answer:

so that you would know what views are on each side and the shape of the describes that we are outside the earth surrounded by water

A⇢Amplitude

B⇢Wavelength

C⇢Crest

D⇢Trough

Explanation:

Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent

Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.

Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.

The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.

Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.

Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.

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The value of the equation illustrated as a+b-2c take 3a+2b-4c is 2c - b.

An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.

Based on the information, from a+b-2c we are to take away a+2b-4c.

This will be illustrated this:

(a + b - 2c) - (a+2b-4c)

Collect like terms

a + b - 2c - a - 2b + 4c

a - a + b - 2b - 2c + 4c

-b + 2c

= 2c - b

The value is 2c - b.

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Complete question

From a+b-2c take away a+2b-4c

Answer:Climate change can disrupt food availability, reduce access to food, and affect food quality. For example, projected increases in temperatures, changes in precipitation patterns, changes in extreme weather events, and reductions in water availability may all result in reduced agricultural productivity.

Explanation:

Answer:

Fluids move in response to differences in pressure

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