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The bright-colored parts of the plant located just inside the sepal are petals. The correct option is d.

Petals are the bright and different-colored and designer parts of a plant. They are present in the flower. Petals are the attractive part of the plant and their beautiful color attracts insects and birds and helps in pollination.

Sepals are the green-colored part that is present outside the petals. They cover the petals inside it when they are small. Seeds are the small hard part of the plant.

Therefore, the correct option is d. petals.

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Answer:

petals

Explanation:

got it right on edge 2022

The given diagram is produced during the light independent reactions.

The given molecule diagram is the Glucose molecule.

Light Independent Reaction- The photochemical process of photosynthesis involves a number of light-independent biochemical events that result in the formation of organic compounds from carbon dioxide. This metabolic pathway is propelled by the energy released from the ATP created during the light reactions.

Photosynthesis- All green plants use the biological process of photosynthesis to create their own nutrition. Photosynthesis requires carbon dioxide, water, and solar energy. Oxygen is a byproduct of this activity.

Light-dependent reactions & light-independent reactions are the two phases of photosynthesis. Daytime events involve light-dependent processes, often known as light reactions. The dark reaction or Calvin cycle are other names for the light-independent process.

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Answer:

regular soil because

from small classes we learn that germination is nice for plqnts

The acceleration of the tractor is a = F/234.

Newton's second law of motion states that an object's acceleration is equal to its mass divided by the net force acting on it, or a = F m.

When an object's mass and the net force acting on it are known, its acceleration can be calculated using this equation for acceleration.

The SI units for acceleration are m/s2, meters per second squared, or meters per second per second, which expresses the change in velocity in meters per second over a period of time.

There is a different relationship between mass and acceleration. The relationship is inverse.

In an inverse connection, one variable rises as the other one falls.

An item will accelerate with a given force less slowly the more mass it has.

a = F/m

a = F/234

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The ability to roll the tongue is due to a dominant gene (R). If you cannot roll your tongue, you must not have curly hair and be homozygous recessive (RR). If the trait we're interested in is the inability to roll the tongue, then homozygous dominant females are represented by (n):D) filled circles on the pedigree.

Homozygous for a particular gene means that you inherited the same mutation. This is another heterozygous genotype in which the allele is specific. People with recessive tendencies, such as blue eyes or red hair, are consistently homozygous for this gene. If the two mutations are different, they are heterozygous for that gene.

For example, being heterozygous for hair color means having one red hair allele and one brown hair allele. The relationship between the two alleles affects the changes expressed. Homozygous and heterozygous are phrases that can be used to describe pairs of alleles. People who carry the same allele (RR or rr) are called homozygous. Just as a human organism with a unique allele (Rr) is said to be heterozygous.

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Sahana used to use fertilizer frequently on her farm in the United States, but now she uses less fertilizer. This most likely indicate that She has a harder time obtaining fertilizer now than in the past.

Fertilizers that are used for agriculture purpose are significant source of nutrient for plants , but when it is used in higher quantity it can cause water pollution. fertilizers reduces quantity of oxygen in the water that can make survival of marine life very difficult .

Fertilizers used in agriculture are main source of nutrient pollution to water. Components like nitrogen and phosphorus escape from agricultural fields and collects in water bodies becomes the largest sources of pollution to coastal zones across the United States.

Hence, A is correct option

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Answer:

1.) The experiment that the medical professionals would perform to best determine the effectiveness against oropharyngeal cancers is to compare the incidence of cervical and oropharyngeal cancers in people who have been vaccinated and those who chose not to be vaccinated. That is option B

4.) The calcium that triggers muscle contraction is stored in the endoplasmic reticulum. That is option C.

The human papillomavirus (HPV) us a type of virus that belongs to the family non-enveloped DNA viruses that are being transmitted during intercourse.

The human papilloma virus is known to be the main cause of cervical cancer and oropharyngeal cancer which can be prevented through the use of vaccines.

To check the effectiveness of these vaccines, two variables are used:

Therefore the effectiveness of the vaccine is being observed when the incidence of cervical and oropharyngeal cancers in people who have been vaccinated and those who chose not to be vaccinated are compared.

The calcium that triggers muscle contraction is stored in the specialized smooth endoplasmic reticulum called the sarcoplasmic reticulum.

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Blood is forced into the pulmonary artery by the ventricle when it contracts, passing via the pulmonic valve. Blood is transported through the pulmonary artery to the lungs, where it "gathers" oxygen. It then exits the lungs and travels through the pulmonary vein back to the heart. Blood flows into the left atrium.

Natural selection is the most important mechanism of evolution associated with reproductive success (Option 2).

Natural selection is the main evolutionary mechanism by which species adapt to changes in environmental conditions. This process (natural selection) is based on the differential survival and reproduction rate of organisms that better fit environmental conditions.

Therefore, we can conclude that natural selection represents the main evolutionary process for which a species can survive and differentially reproduce in a given environment, thereby confirming an adaptive advantage to the certain individuals in a population in nature

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Plants would not able to grow nutrients, small molecules would able to move through plasma membranes

either too little or too much fertiliser is added:

The soil eventually becomes deficient in nutrients as a result of the plant absorbing the earth's nutrients over time. The rate of development may be slowed down if fertilisers (natural or organic) are not occasionally provided.

Proteins will not be transported through active trantransportsport , hypertonic condition when too much water in the cell and cause it burst, The dyeing of cells called necrosis , only glucose is converted into food source .

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The human body have an estimated amount of 600 to 650 muscles. There are three main types of muscles (skeletal, smooth and cardiac). Therefore, the correct alternative is the one with the number 650.

In my mind the meaning of life is just to have fun and live it to the fullest, and for why do we live, well if your asking like what created us or how we came to be that I don't know but if your asking why to keep going then I'd say just for the shower thrill of not knowing what will happen tomorrow, could be a normal day, could be a bad one, and heck you could end up getting $1mil, you just never know

Answer:

D. Arachnida

Explanation:

Each of these specimens have 8 joint-legs.

Answer: A

Explanation: Soil pollution is defined as the presence of toxic chemicals (pollutants or contaminants) in soil, in high enough concentrations to pose a risk to human health and/or the ecosystem. In the case of contaminants which occur naturally in soil, even when their levels are not high enough to pose a risk, soil pollution is still said to occur if the levels of the contaminants in soil exceed the levels that should naturally be present. Soil pollution affects plants, animals and humans alike. While anyone is susceptible to soil pollution, soil pollution effects may vary based on age, general health status and other factors, such as the type of pollutant or contaminant inhaled or ingested. It mainly affect's the plants ability to grow.

Answer:

e

Explanation:

Answer:

d. rupture of a follicle in the ovary

Explanation:

Answer:

g

Explanation:

Specialized sweat glands associated with the production of earwax are known as ceruminous glands.

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B. It will slow down because the environment is too basic.

As the food move from the stomach to the small intestine the activity of pepsin will slow down because the environment is too basic.

Pepsin- Pepsin is a stomach digestive enzyme used to break down proteins in food that has been consumed. Pepsin is produced by the main cells of the stomach as pepsinogen, an inactive zymogen. The stomach's lining's parietal cells release hydrochloric acid, which reduces the pH of a stomach.

Parietal cell- The biggest cells in such glands are called parietal cells, and they are found inside the fundus & body of the stomach. They develop from immature progenitor cells inside the gland isthmus, travel upward into the pit area, and finally migrate downward toward the gland base.

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Niche building is the process by which a species or ecosystem changes the environment in a way that leads to another species being able to move in and become dominant.

Niche- A niche is a position or location that is highly suitable for somebody or something, often because it is very particular and unique from others. A position and interest that enables something or someone to thrive in a specific context is frequently referred to as a niche.

Ecosystem- An ecosystem is a region where a bubble of life is created by plants, animals, as well as other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, as well as other species are biotic factors.

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980 Joules of potential energy

The energy that a thing retains due to its position in relation to other objects, internal tensions, electric charge, or other elements is known as potential energy in physics.

Common types of potential energy include the gravitational potential energy of an item, the elastic potential energy of a stretched spring, and the electric potential energy of an electric charge in an electric field.

Potential energy was first used by Scottish engineer and scientist William Rankine in the 19th century, however it has roots to the idea of potentiality put out by the Greek philosopher Aristotle.

The child has 50 kg * 2 m * 9.8 m/s^2 = 980 Joules of potential energy.

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Both Cestode and trematode have mode of infection as consumption of contaminated food. Cestode is acquired by ingestion of meat from hosts and trematode is via contaminated food like raw fish, crustaceans, etc.

These tapeworms are the least helpful creatures. But these tapeworms also have a very limited economic impact. These tapeworms contribute to the harvesting of soil’s increased fertility through a natural process. These worms function as organic fertilizers.

Meat from intermediate hosts is frequently consumed in order to acquire adult cestodes. Eggs of origin can cause an extraintestinal infection with larvae. Identification of eggs and segments (proglottids) in feces is used to diagnose an adult cestode infection.

Humans become infected by foodborne trematodes after eating tainted food (raw fish, crustaceans or vegetables. Infection can induce severe liver and lung illness, which together are thought to account for 2 million years of life lost to disability and death globally each year.

Cestodes lack a digestive tract and have a tape-like, segmented body.  Trematodes have an imperfect digestive system and resemble leaves. Cestodes typically need two hosts, whereas trematodes typically need three, to complete their life cycles.

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Answer:

​ Only when DNA changes are carried in egg and sperm cells are they passed to the next generation. Believe it or not, a certain amount of sloppiness is built into the system. Without mutation there would be no variation, and without variation there would be no evolution.

Explanation:

Answer:

B

Explanation:

water has high specific heat value

Even if the density seems to be altering the effect of temperature, the degree of hydrogen bonding decreases as the temperature rises. Thus, option B is correct.

The movement of molecules, or their kinetic energy, is measured by temperature. The temperature rises as the motion and energy levels rise.

The body's water plays a crucial role as a thermoregulator, controlling body temperature by assisting in heat dissipation.

When the body becomes too hot, water is lost through sweat, and heat is removed from the body when this sweat evaporates off the skin's surface.

Therefore,  The hydrogen bond between water molecules and the amount of heat that must be absorbed to change its temperature by one degree Celsius.

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The time taken will be more for the litmus paper to change its color from red to blue.

What is the use of litmus paper?

An inspector can measure the acidity or basicity of a solution by using litmus paper, which turns red at pH levels below 5 and blue at pH levels above 8. Using litmus paper, which compares minute color variations to a color chart to identify pH levels, allows for more accurate pH determinations.

The rise in temperatures favors the acidic pH of the litmus paper. A solution's molecular vibrations increase as its temperature rises, which causes the solution to ionize and produce H+ ions. Acidic behavior increases with the amount of H+ ions. The pH level of the solution alters as a result of temperature variations. As a result, the pH drops as the temperature rises.

Hence, the litmus paper takes more time to turn blue in color due to the temperature rise.

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The correct answer is it will take some more extra time for litmus paper to turn blue.

How pH affects with temperature?

pH decreases with increase in temperature.

• It means temperature and pH value both are inversely proportion.

• Neutral is 7. Less than 7 of pH value it is acidic and more than 7 then it implies it is basic.

•  To support our answer added one image for illustration below

From above table we can conclude as temperature grows pH value will decrease.

Hence, it will take some more time for litmus paper to turn blue.

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The fluctuation in the time and intensity of Light is the primary cause of the Ice Age, or the prolonged period of harsh winter. Because the sun's light has such a strong impact on the atmosphere and general environment of the earth's surface.

After a short period of time, the Andean-Saharan cold age (460 to 430 million years ago) led to the widespread extinction of organisms. The majority of the earth's surface was covered by vegetation. As it was also stated that the subsequent ice age was brought on by this large amount of plants. As it round the earth's poles.

The Karoo Ice Age, which lasted from 360 to 260 million years ago, functioned quite similarly to the present.

We are currently experiencing this ice age, which started when Antarctica froze over 14 million years ago. because ice caps cover the earth's poles.

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The impact of immigrant population in the rural and global environment is degradation in human ecology.

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The gene and mRNA do not change, but the protein does. Option A.

When the mutated sequence is translated into protein the resulting protein is incomplete and shorter than normal. As a result, most nonsense mutations result in non-functional proteins. A genetic variant can prevent one or more proteins from functioning properly. By changing the instructions of genes to make proteins.

The variant may cause the protein to malfunction or not be produced at all. The mutation is the process that causes a permanent change in the DNA sequence. Changes in a gene's DNA sequence called mutations can change the amino acid sequence of the protein the gene encodes, but this is not always the case. Coding region mutations can have very different effects on an organism's phenotype. Some mutations in this region of DNA and RNA can result in beneficial changes.

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