Who is the father of Science?​

The dark organelles labelled E is called the Ribosomes.

Answer:

C

Explanation:

Edge 2020

Answer:

23 chromosomes.

Explanation:

This is egg cell is an haploid cells. Haploid cells are gamete that contain single set of chromosomes. Example include egg cell and sperm cell.

Human oocytes consist of the mother's DNA which are 46 chromosomes. They now divide by a process of meiosis into eggs. The 46 chromosomes then come together along the midline of the oocyte and drifted apart into two different directions by spindle fibers. This then produce an egg cell with 23 chromosomes.

Answer:

Use ginger, drink tea, chew peppermint gum, or simply use a heating pad.

Comparing the skeletons of different animals provides compelling evidence that supports the scientific theory of evolution. By examining the anatomical structures and bone arrangements of various species.

Scientists can identify patterns that reflect common ancestry and gradual change over time. One way skeletons provide evidence for evolution is through the presence of homologous structures. Homologous structures are similar in form but may serve different functions in different organisms.

For instance, the pentadactyl limb structure, characterized by five digits, is found in a variety of vertebrates, including humans, bats, whales, and birds. This similarity suggests a common ancestor with a limb structure that has been modified for different purposes.

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Answer:

D. ATP

hope it helps

Answer:

C

Explanation:

ATP stands for adenosine triphosphate. An ATP molecule has ahead of adenose sugar and a tail of three phosphate groups. Energy is stored in the bonds between phosphate groups, so when your body needs energy, it breaks off some phosphate and releases energy to the immediate environment.

Answer:

A wave with a period of 1/3 second has a frequency of 3 Hz.

The study mentioned in your question, called PADA-1, compares the effectiveness of fulvestrant-palbociclib combination therapy to continuing aromatase inhibitor (AI)-palbociclib therapy in HR HER2- metastatic breast cancer patients who have been detected with circulating ESR1 mutation. The results of the study provide insights into the outcomes of these treatment options.

Mutation are changes that occur in genetic material both at the gene level and at the chromosomal level. Mutations at the gene level are called point mutations, while mutations at the chromosomal level are usually called aberrations. Genetic mutations are usually caused by errors in the replication of genetic material during cell division or during meiosis. The cause can be from radiation, chemicals (mutagens), or viruses. Individuals who experience mutations are called Mutants. Materials that cause mutations are called mutagens. Where mutations occur in sex cells (gametes) and body cells (somatic).

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Explanation:

During summer when the surrounding temperature is high, we lose water in the form of sweat, direct evaporation considerably. Hence kidneys retain water for maintaining fluidity of the blood and less urine is formed.

But during winter, the surrounding temperature will be very low. There will not be any sweating, no evaporation losses. Moreover to keep the body temperature constant, the blood capillaries in the skin get constricted and the blood pressure is increased. The result is that our body gets warmed up. In order to maintain the blood pressure normal, the excess water along with the wastes is excreted mostly in the form of urine. This is the reason for more urine out put and frequent urination under very cool conditions and in winter.

The food map of America is given as attached.

The map illustrates the prevalence of monoculture in the United States, with corn being   the most extensively grown crop,occupying the largest land area.

Some counties have up to 63%   of their land dedicated to corn cultivation. Soybeans rank second and are primarily used as livestock feed,rather than solely for tofu production.

Food maps are visual representations that depict the distribution and prevalence of different food crops or agricultural practices in specific regions or countries.

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Answer:

A microbiologist is reading a stool culture and notices a very moist and mucoid pink colony on MacConkey agar. What is the most likely organism

Klebsiella pneumoniae

Explanation:

To answer this question, we need to know the mode of inheritance of freckles, as well as the genotype of the parents.

Freckles are generally considered a dominant trait, meaning that only one copy of the "freckles" gene (let's symbolize it as "F") is needed to express the trait. The absence of freckles is a recessive trait, symbolized as "f".

In this case, we know that the man does not have freckles, meaning he must have the genotype "ff" (since "f" is recessive, he must have two copies to not have freckles).

The woman does have freckles, but without more information, we don't know if she is "FF" (homozygous dominant) or "Ff" (heterozygous). If she were "ff", she wouldn't have freckles, so we can rule that out.

Here are the possible outcomes:

1) If the woman is "FF", then all their children will have freckles, because they will either inherit "Ff" (and have freckles) or "Ff" (and still have freckles). So the probability of a child without freckles would be 0%.

2) If the woman is "Ff", then there is a 50% chance that a child will inherit the "f" from the mother and the "f" from the father, resulting in "ff", or no freckles.

Without knowing the woman's exact genotype, we can't give a definitive probability. However, assuming that both possibilities for the woman's genotype ("FF" and "Ff") are equally likely, the average probability that a child will not have freckles is 25% (averaging 0% and 50%).

Please note that these percentages are probabilistic and don't guarantee the outcome for any specific child. Additionally, freckles are likely influenced by multiple genes and environmental factors, so this is a simplified explanation.

paranasal sinuses are paired and symmetrical, air-filled cavities situated around the nasal cavity. the correct option is (D).

They are found in three bones of the neurocranium (braincase), the frontal bone, ethmoid bone, and sphenoid bone all of the above. The function of the paranasal sinuses is to protect the organism Which is done mostly by humidifying the air which is inhaled and facilitating the immune response of the respiratory system.

Also,  the sinuses are generally air-filled spaces that decrease the weight of the head and impact the resonance of the human voice.

The nares and anterior portion of the nasal cavities are generally lined with the mucous membranes and it contains sebaceous glands and hair follicles, this  serve to prevent the passage of large debris ( dirt) through the nasal cavity.

Types - Frontal sinuses

Ethmoidal cells (sinuses)

Maxillary sinuses

Sphenoidal sinuses

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Answer:

cycle:

1. Attachment: A bacteriophage attaches to the surface of a bacterial cell.

2. Entry: The viral DNA is injected into the bacterium and integrates into the host chromosome.

3. Prophage: The integrated viral DNA is known as a prophage and is replicated along with the bacterial chromosome.

4. Replication: The prophage replicates along with the bacterial DNA during cell division.

5. Induction: A trigger, such as stress or UV radiation, causes the prophage to leave the bacterial chromosome and enter the lytic cycle.

6. Lytic cycle: The viral DNA begins replicating and producing new phages, which lyse the host cell and release new viruses.

7. Release: The newly produced phages are released into the environment to find other bacterial cells to infect.

Note: The lysogenic cycle can sometimes be followed by the lytic cycle, in which the virus uses the host cell to produce new viruses, ultimately leading to lysis of the host cell.

Hey there :)

Option TRUE will be the answer.

Reason :-

The environment contributes to determining whether a mutation is advantageous, deleterious, or neutral. Also, the environment or selective pressure determines whether a mutation is beneficial or dangerous.

Usually mutuations are harmless, but in the rarest cases, it can even destroy or affect the whole world.

Example:- From COVID-19's mutation, Deltacron, Florona and Ba12 viruses have evolved.

~Benjemin360

Answer:

D Natural selection

Explanation:

This is because the dominant Gene according to Charles Darwin is strong enough to adapt to any environment.Making it a survival of the fittest

The bicoid protein is a transcription factor that plays a crucial role in the development of the fruit fly embryo.

It is responsible for creating an anterior-posterior gradient of gene expression that helps establish the head and thorax regions of the fly. Without bicoid, the embryo would not be able to properly differentiate and form these structures. Therefore, the bicoid protein is essential for the development and survival of fruit flies.

Cell divisions in the embryo are not yet fully matured in Drosophila when the Bicoid protein is produced. This explains why (B) Bicoid protein diffuses in a concentration gradient throughout the embryo.

A morphogen is the bicoid protein. This means that it operates best when the gradient of concentration is large. The protein, which is also known as Bcd, aids in the establishment of the anterior and posterior regions of the Drosophila. Additionally, it prevents caudal mRNA from being translated.

The first stage of a microorganism, immediately following fertilisation, is called an embryo. This stage does not last very long in vertebrates since the development of the organs starts.

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Answer:

If phosphorus affects tomato fruit production, then plants that are fertilized with phosphorus will produce more tomatoes.

Explanation:

The available options to the question are:

If phosphorus affects tomato fruit production, then tomatoes that are fertilized with phosphorus will have larger leaves.

If phosphorus affects tomato fruit production, then phosphorus should be added to the soil during planting.

If phosphorus affects tomato fruit production, then adding phosphorus to the soil will make tomatoes taste better.

If phosphorus affects tomato fruit production, then plants that are fertilized with phosphorus will produce more tomatoes.

The correct answer here would be that "If phosphorus affects tomato fruit production, then plants that are fertilized with phosphorus will produce more tomatoes."

The hypothesis represents a tentative statement relevant to the research being carried out. What researchers do during the course of researching is to test the validity of hypotheses with experiments.

Since the main aim of the research is to find out if phosphorus affects tomato fruit production, the relevant hypothesis must effectively address the main aim of the research.

The production of tomato can only be measured from the yield of tomato fruits produced by the tomato plants. If phosphorus does indeed affect tomato fruit production, then the tomato plants that are supplied with the element will produce a higher yield of tomato fruit as compared to the ones without phosphorus.

When the doctor examines a fracture where a small portion of the bone is protruding from the skin, the epiphyseal plate will not be visible.

The epiphyseal plate, also known as the growth plate, is a region of hyaline cartilage that is located near the end of a long bone and is responsible for bone growth and elongation. It is only present in bones that are still growing and disappears once the bones have reached their full length. The epiphyseal plate is found between the metaphysis (the portion of the bone adjacent to the growth plate) and the epiphysis (the rounded end of the bone).

During a fracture, the bone can break in a variety of ways, and the fracture may involve the growth plate or other parts of the bone. If the epiphyseal plate is involved in the fracture, it can lead to growth disturbances or other long-term complications.

Therefore, it is important to identify whether the fracture has affected the epiphyseal plate or not.

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Autocatalytic replication is an important part of the prebiotic evolution leading to the origin of life on Earth. It is believed that this replication process occurred spontaneously in a prebiotic environment, leading to the formation of the first living organisms.

The Autocatalytic replication was facilitated by the presence of organic molecules, like RNA and amino acids. Over time, these organisms evolved and adapted to their environment, eventually giving rise to the complex life forms we see today.

Synapsids were the first reptiles to develop a single temporal opening in their skulls, which allowed for a larger jaw muscle and improved biting ability. Synapsids and cynodonts are two groups of reptiles that played a key role in the evolution of mammals, including humans. The adaptation allowed them to compete more effectively for resources and led to their dominance during the Permian period.

Cynodonts were a group of advanced synapsids that evolved during the Triassic period they had a number of adaptations that made them well-suited to life on land, including more efficient lungs, better hearing, and the ability to regulate their body temperature. These adaptations allowed them to thrive in a variety of environments and gave rise to the first true mammals.

The evolution of synapsids and cynodonts played a key role in the evolution of mammals, including humans. Their adaptations allowed them to compete more effectively for resources and survive in a changing environment, leading to the development of increasingly complex and sophisticated life forms.

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Answer:

The sun.

Explanation:

Producers use the sun to produce their own food, followed by primary consumers which eat the plants, and secondary consumers which eat the animals that eat the plants. Circle of life.

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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(a) The group of insects contains the greatest number of different species.

(b) The scientific name of seven-spot ladybird is Coccinella septempunctata.  

Insects are the group of animal kingdom that contains the greatest number of species. These are the invertebrates that fall within the phylum Arthropoda. Insects usually have a chitinous exoskeleton. Their body is divided into three parts: head, thorax and abdomen.

Coccinella septempunctata is most commonly found in Europe. The ladybird usually feeds on aphids. It has bright red colored exoskeleton and has a foul taste when eaten by the predators. It is known to synthesize a toxic alkaloid.

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During the day, the plant uses photosynthesis to make food, and at night, it uses respiration to power its cells.

Oxygen is required for the process of cellular respiration. To obtain energy, plants engage in cellular respiration.

When molecules are broken down in the presence of oxygen in the cell's mitochondria, ATP is produced as the resultant energy.

In order to manufacture food during the day and carry out cellular respiration at night, the plant uses photosynthesis.

Because they are autographs, plants make their own nourishment. They convert water, sunshine, and carbon dioxide through the process of photosynthesis into oxygen and simple sugars that the plant utilizes as fuel. These basic producers serve as an ecosystem's foundation and provide energy for higher tropic levels.

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Answer:

i got the right answers on the question :)))

Answer:

The correct answer is - small intestine; glucagon, glycogen; glycerol, sodium bicarbonate; starch, iron, plasma, hemoglobin; fats.

Explanation:

The digestive enzymes are released in the small intestine by pancreatic cell, the cluster of these pancreatic exocrine cells called pancreatic islets that release insulin and glucagon hormones for controlling blood sugar level.

Insulin stores the excess amount of blood glucose in the liver as glycogen and in the case of low sugar glycerol is converted to glucose from fats. Pancreatic juice contains sodium bicarbonate to regulate acidity and the amylase enzyme helps in digesting starch. The liver stores various nutritional substances such as vitamins and iron and others and release them in blood plasma.

Answer:

As humans require a lot of nutritious food for the growth, same way plants also require nutrients in order to grow. Plants which are grown in the soil gets all the required nutrients from the fertilizers and from the land where natural nutrients are stored.

Answer:

y-aminobutyric acid, or GABA

Answer:

In the explanation-----

Explanation:

The first statement is correct since the gun explosive powder explodes since they light a fuse at first, and once the fuse reaches the end it explodes as a reaction. However, for a candle it relies on the lit fire. Wax is a tough and a longer substance to melt compared to a exploding firework.

For the activation energy for the firework, it uses that energy in a result of the fuse reaching the end and reacting with the gun powder.

Answer:

A is the correct answer

Explanation:

I took the test

Berry's Six Stages of Refugee Careers refer to the different phases that refugees go through as they flee their home countries and seek asylum in another. The six stages are Predeparture, Flight, First Asylum, Claimant, Settlement, and Adaptation.

1. Predeparture: This is the stage before the refugee leaves their home country. It involves the decision-making process and preparation for leaving, including gathering necessary documents and belongings.
2. Flight: This stage involves the actual physical departure from the home country and the journey to the first country of asylum.
3. First Asylum: This stage refers to the period of time that the refugee spends in the first country of asylum. This can be a short-term or long-term stay, depending on the circumstances.
4. Claimant: This stage involves the refugee making a formal claim for asylum in the host country. This process can be lengthy and complex and often involves legal representation.
5. Settlement: This stage refers to the period of time after the refugee has been granted asylum and is able to begin rebuilding their lives in the host country. This can include finding housing, employment, and accessing healthcare and education.
6. Adaptation: This final stage involves the refugee fully integrating into their new community and culture. This can involve learning the language, building social networks, and participating in community events and activities.

Overall, Berry's Six Stages of Refugee Careers provide a helpful framework for understanding the different phases that refugees go through as they seek safety and security in a new country.

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Answer:

Test Crosses. A test cross is utilized to decide the genotype of a person with a attribute.

Explanation:

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