chalcone synthases (chss) are plant-specific polyketide synthases that appear to be ubiquitous in higher plants. they utilize coa-esters from the phenylpropanoid pathway and malonyl-coa to synthesize the chalcones that are the starting material for the biosynthesis of a large number of biologically important substances; their roles include flower colors, uv protection, defense against pathogens (phytoalexins), interaction with microorganisms, and fertility (in some plants

Answer: pls see the attached image {hope it makes sense}

Explanation:

Hey, there !!

Your question is though because plants are both multicellular and unicellular.

So, let me give you a little idea from whatever i have known.

Inside plant kingdom, there are three divisions,

These are the information. but if its about type of cells, there are various type of cells such as xylem cells,phloem cells, parenchyma cells, collenchyma cells etc.

Hope it helps..

The statement that best describes cones is:

b) Cones are the receptor cells in the retina that allow for color perception.

Cones, which are photoreceptor cells in the retina, enable color perception and sharp vision. They are concentrated in the center of the retina, specifically in the fovea, the region with the highest level of visual acuity.

Cones are in charge of how color is perceived since they contain various photopigments that react to various light wavelengths. There are three main types of cones, and each one has a unique photopigment that reacts to either blue, green, or red light. The cornea, on the other hand, is the eye's outer, transparent layer, which protects the iris and pupil. It is not a direct component of vision since it lacks photoreceptor cells.

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The substance, needed for protein synthesis, that is carried into a leaf from the stem is nitrate. Nitrate is an essential nutrient that plants use to produce amino acids and proteins. It is a part of the nitrogen cycle and is used in chloroplasts to create essential proteins.Option B is correct

The process of protein synthesis takes place in chloroplasts of the leaves of plants where nitrogen, along with other elements, is utilized to produce proteins. Nitrogen, in the form of nitrate, is an essential element required by the plant for the synthesis of amino acids and proteins.

Plants obtain nitrate through the soil from the water they absorb through their roots. It is transported from the roots to the leaves through the xylem vessels, which form a continuous pipeline from the roots to the stem and leaves of the plant. The process of protein synthesis is important for the growth and development of plants.

It is essential for the production of enzymes, hormones, and structural components such as cell walls and membranes. Nitrate is, therefore, a critical substance for protein synthesis and the growth and development of plants. Option B is correct

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Rough endoplasmic reticulum, Golgi apparatus, cell membrane are structures that a protein that is destined to leave the cell would interact with on its journey from synthesis to exile from the cell of his birth.

The ribosomes, which are the molecules in charge of producing proteins, are what give the rough endoplasmic reticulum its name. A specific RNA fragment may instruct a ribosome to move to the rough endoplasmic reticulum and embed itself if it comes across there. The protein produced from this region will wind up inside the rough endoplasmic reticulum, where it will fold and be marked for transport to the Golgi apparatus through the process of glycosylation, which involves the addition of a tag molecule (often a carbohydrate).

Near the nucleus, the rough endoplasmic reticulum, which is continuous with the nuclear membrane, resembles a network of canals. Rough endoplasmic reticulum-produced proteins are either meant to form a membrane or to be released from the cell membrane. It would be much more difficult to discern between proteins that should exit the cell and proteins that should remain if there were no rough endoplasmic reticulum. As a result, the rough endoplasmic reticulum promotes cell specialization and increases organism complexity.

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If the greenhouse is sealed from the outside atmosphere, this isolated system would differ from the carbon cycle of the outside world as follows:

A greenhouse gas is a gas that both absorbs and emits heat and infrared radiation, producing the greenhouse effect.

Water vapor, carbon dioxide, methane, nitrous oxide, and ozone are the main greenhouse gases in the atmosphere of Earth.

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The most significant predictor of childhood obesity is maternal obesity.

Numerous studies have shown that maternal obesity is strongly associated with an increased risk of childhood obesity. Maternal obesity during pregnancy can have long-lasting effects on the developing fetus, including alterations in metabolism, hormonal imbalances, and changes in the developing brain.

These factors can contribute to an increased susceptibility to obesity in childhood and later in life.

Maternal obesity can influence the intrauterine environment, leading to an overexposure of the fetus to excessive nutrients and adipokines, such as leptin, insulin, and inflammatory cytokines. This can disrupt the normal development of metabolic pathways and regulatory mechanisms involved in energy balance and body weight regulation.

Additionally, maternal obesity can also impact early feeding practices, such as breastfeeding initiation and duration, as well as the introduction of solid foods. These factors can further contribute to the development of unhealthy eating habits and an increased risk of childhood obesity.

It is important to address maternal obesity as part of comprehensive strategies to prevent and manage childhood obesity. This may include interventions targeting preconception and prenatal care, promoting healthy lifestyles and weight management, and providing support for breastfeeding and healthy infant feeding practices.

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Answer:

1200m

Explanation:

Let the depth of sea be x.

Given that the sound has to travel to the bottom of the sea and get reflected back to the ship itself, thus total distance traveled by the sound is 2x.

Time taken to hear an echo t=1.6 s

Therefore, 2x = vt

Hence, we have 2x =1500m/s × 1.6s

=> 2x = 2400

⟹ x = 2400 ÷ 2

= 1200m

Hence, the final answer is 1200m

The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.

Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.

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As a local farmer, the type of crops that would be appropriate for my region would depend on several factors, including climate, soil type, and market demand.

For instance, if the area has a warm and humid climate, crops such as rice, maize, and beans would be ideal. On the other hand, if the area is colder and drier, crops such as wheat, barley, and potatoes would be more suitable. As a farmer, it is essential to ensure that the crops are not only productive but also nutritious.

Some ways to achieve this include using organic fertilizers to enrich the soil, implementing crop rotation practices to prevent soil depletion and pest infestation, and using natural methods to control pests and diseases, such as companion planting or biological control.

Another important factor to consider as a farmer is access to irrigation, as water is crucial for plant growth and development. Depending on the location, this could be achieved through methods such as drip irrigation or rainwater harvesting.

Overall, as a farmer, my main priorities would be to maximize crop yields while ensuring that the crops are healthy and nutritious. This can be achieved by carefully selecting appropriate crops for the region, implementing sustainable farming practices, and ensuring adequate access to water and other resources.

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The term that includes all the other terms is d) synovial joint. A synovial joint is a type of joint found in the body where two bones come together and are surrounded by a joint capsule. This capsule is made up of the synovial joint capsule (b), which is a fibrous tissue that encloses the joint cavity.

Inside the synovial joint, you will find articular cartilage (a), which is a smooth, slippery tissue that covers the ends of the bones and allows them to glide against each other with minimal friction. This cartilage is crucial for the smooth movement and function of the joint.

Ligaments (c) are also a part of the synovial joint structure. These are strong, fibrous bands of connective tissue that hold the bones together and provide stability to the joint. Ligaments prevent excessive movement and protect the joint from dislocation or injury.

In summary, a synovial joint (d) includes the other terms because it is composed of articular cartilage, synovial joint capsule, and ligaments, all of which work together to facilitate movement and provide stability to the joint.

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Answer:

The condition is known as amenorrhea.

It is good practice to have your headlights on during the day to make your vehicle more visible to other drivers. In addition, it can also improve your own visibility of the road ahead.There are two main reasons why it's good practice to have your headlights on during the day:

Increase visibility: By having your headlights on, it can help make your vehicle more visible to other drivers on the road, particularly in low light conditions or in areas where there are a lot of shadows or obstructions. This can help reduce the risk of accidents and improve overall safety on the road.

Improve your own visibility: In addition to making your vehicle more visible to others, having your headlights on during the day can also help improve your own visibility of the road ahead. This is especially true when driving in areas where there are a lot of shadows or when you're driving into the sun. Having your headlights on can help reduce the glare and make it easier to see what's ahead of you.

In short, having your headlights on during the day can be a simple but effective way to improve safety and reduce the risk of accidents on the road.

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Answer:

C: An ocean sedimentary rock formed from the dhells of dead organisms

Answer:

C

Explanation:

Limestone, otherwise known as Calcium Carbonate, is an ocean sedimentary rock formed from the shells of dead organisms.

When these animals die, their shell and skeletal debris accumulate as a sediment that might be lithified into limestone. Limestones formed from this type of sediment are biological sedimentary rocks.

Answer: Creating products, such as ethanol and enzymes.

Making drugs, such as antibiotics and vaccines.

Making biogas, such as methane.

Cleaning up oil spills and toxic wastes.

Killing plant pests.

Transferring normal genes to human cells in gene therapy.

Explanation:

Answer:

Bacteria breakdown foods back into the earth, the keep pH levels in vaginas healthy, and they attack bad bacteria in our bodies

Explanation:

basically self explanatory

If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.

The correct answer is option A.

refer to the taxonomic groups that are consistently utilized in organism hierarchy classification. Sub-phyla, subclasses, suborders, subfamilies, subgenera, and variations are a few examples of .

:It is challenging to classify newly discovered creatures into established categories. As a result, the prefixes "super" and "sub" have been added to the existing categories, such as sub-kingdom, sub-phylum, super class, etc. These are categorized as . This has also made the placement of different taxa more soundly and scientifically.

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Given question is incomplete as it lacks the choices for  molecules and their properties, however, the missing part is attached with the answer:

Answer:

Molecules and their properties are given as bellow under the type of compound:

Alcohol-

Alcohol is highly polar andmay act as a weak acid

The functional group in alcohol is (OH)

Carboxylic acid-

Carboxylic acid acts as an acid

The function group is (COOH)

Aldehyde-

Aldehyde may be a structural isomer of a ketone

Functional group is (C=O)

Thiol-

Thiol forms disulfide bonds

Function group is (S-H)

Amine:

Amine acts as a base

the functional group is (NH2)

Organic phosphate-

contributes negative charge (PO4)

This functional group is polar

The pressure at which the first Korotkoff sound is heard is taken as the systolic blood pressure, while the diastolic blood pressure is taken as the pressure at which the fourth Korotkoff sound is barely audible.

A sound that fades, soft, muffled, and blowing. As the cuff pressure is released, sounds become softer and more muffled. The term "first diastolic reading" refers to the transition from phase 3's thump to phase 4's muffled sound.

The cuff should be inflated to about 30 mmHg higher than the pressure at which the pulse stops. Slowly deflate the cuff. A pulsatile thrill can be felt by deflating the cuff; the pressure at which the thrill appears is the systolic pressure, and the pressure at which it disappears is the diastolic blood pressure.

Ferdinand explains, "As the blood starts to run off, it makes a dull tapping sound and the blood disappears." It's sometimes referred to as a "swooshing" sound that eventually stops. And the diastolic, or lower blood pressure, occurs when that sound goes away, he adds.

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Q- How do we determine the diastolic blood pressure when you can hear the fourth sound all the way to zero?

Answer:

Because other organism dont burn oxygen.

Cars works on different fuel, same for living beings.

The reproduction, cellular organization, growth, stimuli, and homeostasis are characteristic of all living things. Breathing is not a characteristic as some organisms do not breathe.

Living things are defined and contrasted with non-living things based on some features and characteristics. All living things can grow and undergo development by using energy.

They are capable of reproducing as it is important for survival and uses various reproductive methods to produce new cells. They are capable of excreting waste and are sensitive.

The are capable of reacting to stimuli to show the responses. They are not characterized by breathing as viruses and other organisms do not need oxygen to breathe.

Therefore, breathing is not a characteristic of all living things.

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A Punnett square is a diagram that is utilized to calculate the likelihood of an offspring inheriting a specific trait from its parents. This diagram is commonly used in the study of genetics and is named after its creator, Reginald Punnett.

Punnett squares utilize alleles, which are variations of a particular gene that can produce differing traits. Alleles are usually represented as letters, with uppercase letters representing dominant alleles and lowercase letters representing recessive alleles.

The Punnett square is made up of two axes, with the father’s alleles listed along the top and the mother’s alleles listed along the side. The possible combinations of these alleles are then shown within the squares of the grid. For example, if a father has an A allele and a mother has a B allele, their offspring could inherit an AB allele, an AA allele, a BB allele, or a BA allele.

Punnett squares are used to study a variety of genetic traits, such as blood type, eye color, and height, and can provide useful information about inheritance patterns.

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You'll have to follow the dichotomous key that's provided to you. Start by choosing less than 10 legs, then choose 6 legs, then with wings, then wings with 1 or 2 colors... etc. You should end up identifying an organism this way.. following the path.

Answer: The correct answer is Dominant

Explanation:

just took the test on edge 2020 and got an 100%

The correct answer is the trait for purple flowers is dominant.

Heterozygous refers to an individual or organism that has two different alleles for a particular gene. Alleles are different forms of a gene that determine different variations of a particular trait.

In this case, a homozygous dominant purebred white flowering plant crosses with a homozygous recessive purebred purple flowering plant, resulting in offspring (which are heterozygous) that have one dominant allele for purple flowers and one recessive allele for white flowers.

The progeny exhibit the purple flower characteristic because the dominant allele for purple flowers is expressed over the recessive allele for white flowers.

Therefore, the purple flower trait is dominant over the white flower trait in this genetic cross.

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The endocrine system is composed of organs and glands. It controls and coordinate the body, including reproduction, growth, mood, etc. The glands and organs involved acts upon all of those factors hrough hormones, which are produced and secreted by the endocrine system. The system responsible for sensing the environment is the Nervous System, therefore b) is incorrect. Ransoming materials throughout the body is one of the functions of the blood, which is not an organ or a gland of the Nervous System, therefore a) is also incorrect. The Digestive System is responsible for breaking down food into smaller parts, therefore c) is wrong as well. As we said that the Endocrine System secretes hormones, the correct answer is d) to secrete hormones.

Answer:

Explanation:

This question seeks to test the knowledge of anaerobic respiration during the process of glycolysis. During intense exercise (or suffocation) the energy/ATP produced (for the short period of about 2 minutes) is as a result of the breakdown of glucose in the absence of oxygen (known as anaerobic glycolysis).

When an individual is fasting or experiencing starvation, the glycogen storage is quickly converted to glucose and then released into the body for cellular breakdown or respiration for the production of energy or ATP. Glycolysis leads to the formation of pyruvate; during suffocation/exercise, the pyruvate (serves as reactant) undergoes fermentation to either produce lactate in humans or ethanol and carbon dioxide in yeast cells (where lactate, ethanol and carbon dioxide serve as products).

Hence, starvation can be said to deplete glycogen storage while suffocation or anaerobic respiration (breathing in the absence of oxygen) causes the cellular breakdown of glucose (glycolysis) to be anaerobic. However, when the glycogen storage starts getting depleted, stored lipids starts getting converted to energy also in the presence of water in body.

It should be noted that the glucose (which is stored as glycogen) is synthesized/obtained from the food we eat.

In an anole population, the primary changes that occur over time are driven by natural selection. These changes can be observed in various traits such as body size, coloration, and behavior.

For example, in response to predation pressure, anoles may evolve larger body sizes to avoid being preyed upon. Similarly, changes in coloration can occur to blend in better with their environment, providing camouflage and protection from predators. Behavioral changes can also occur, such as changes in mating rituals or territorial behaviors, which can improve the chances of survival and successful reproduction.

These changes can occur over generations as individuals with advantageous traits are more likely to survive and pass on their genes. Overall, natural selection plays a significant role in shaping an anole population over time.

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