how do molecules compare and contrast the way diffusion and facilitated diffusion

Answer: I think the answer is C.

Explanation: Nitrogen gas to ammonia.

I hope this helps.

Answer:

A

Explanation:

nitrogen bacteria covert nitrigen gas into nitrates example of such bacteris is the rhizobium bacteria

The stimulation of milk glands in women who are nursing is referred to as a good example of a positive feedback loop and is denoted as option C.

This is referred to as the type of loop in which the product of a reaction leads to an increase in that reaction. In this scenario, the changes which are done are always reinforced due to certain underlying factors.

An example is the stimulation of milk glands in women who are nursing in which when the baby suckles, the prolactin increases in the blood which leads to an increase in the production of milk available to the baby by the gland.

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Population increased % year 2000 = 281 million people.

year 2015 = 321 million people

321 M - 281 M = 40 M

Thus, An increase of 40 million people or 14% increase in population.

All the people who live in a particular place are calculated by the term population .Demography is the study of a population, that defines the total number of people of organisms in particular area . Population census helps the government to know the rate and quantity of unemployment in a particular area of the country.

Hence, Population size is the number of individuals in a population. Population density is the average number of individuals per unit of area .

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Answer: 14%

Explanation:

The population increased % in the year 2000 = 281 million people.

the year 2015 = 321 million people

321 M - 281 M = 40 M = 14%

Answer:

Complementary Sequence: Since DNA has two strands, every DNA sequence has a complementary sequence running parallel. In the complementary sequence, Adenine (A) is always paired with Thymine (T), and Cytosine (C) is always paired with Guanine (G).

Explanation:

Complementary Sequence: Since DNA has two strands, every DNA sequence has a complementary sequence running parallel. In the complementary sequence, Adenine (A) is always paired with Thymine (T), and Cytosine (C) is always paired with Guanine (G).

Answer:  The correct answer is has a total of 46 chromosomes and is diploid

Explanation:  The zygote is created from the fusion of two gametes. Therefore, it is diploid (two gametes) and has 46 chromosomes.

The phenomenon where one gene can modify the effect on the second gene is known as epistasis.

In genetics, epistasis is a phenomenon in which the effect of a gene mutation is determined by the presence or absence of mutations in one or more other genes, which are referred to as modifier genes. To put it another way, the genetic background in which the mutation appears determines its effect. It has long been acknowledged that epistasis, or interactions between genes, is fundamental to comprehending both the structure and function of genetic pathways and the evolutionary dynamics of complex genetic systems.

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Permanent darkness below 1000 meters with bioluminescent bacteria, bottom feeders, and angler fish.

The correct option is B.

It's possible that the bacteria in the squid's mantle chamber employ their luminescence as a defense mechanism against other deep-sea creatures. It is believed that instead of the squid producing black ink, the brightness confuses and frightens living things.

A chemical process that results in the production of light energy inside an organism's body causes bioluminescence. A species must include luciferin, a molecule that creates light when it interacts with oxygen, for a reaction to take place.

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The complete question is -

Which of the following describes the zone of the ocean where no light reaches?

A. the "twilight zone" between 200-1000 meters deep and includes whales and octopi and little life.

B. permanent darkness below 1000 meters with bioluminescent bacteria, bottom feeders, and angler fish.

C. up to 200 meter depth and include photosynthetic plants, sea anemones, sponges, crabs, and clams

Protists are the ancient ancestor of living things. False. Protista are the ancient ancestor of the eukaryotic cells.

Even though most are unicellular, numerous, along with the massive kelp, are multicellular but lack specialized tissues. The protists may additionally constitute the ancestors of present day-day flowers, animals, and fungi. Despite the fact that most are unicellular, several, consisting of the massive kelp, are multicellular but lack specialized tissues. The protists can also constitute the ancestors of current-day flowers, animals, and fungi.

Whilst it is probable that protists percentage a commonplace ancestor, the exclusion of different eukaryotes means that protists do not form a herbal group or clade. Protists are crucial resources of nutrients for many other organisms. In a few instances, as in plankton.

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Based on the given description of the drinking habits of Tom and the eating habits he has had for the past 40 years, the thing which the doctor is probably looking for and the disease he suspects is A. Uric acid crystals and gout

This refers to the waste product that can be found in the bloodstream of a human being or living thing as a result of the breakdown of purine chemicals in the body.

Hence, we can see that Tom has been a heavy drinker for 40 years, his kidney has been overwhelmed which causes fatigue for him and the doctor is searching for uric acid because of the high alcohol intake by Tom.

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He has experienced uric acid crystals and gout for the past 40 years, which are the symptoms the doctor is most likely searching for. Thus, option D is correct.

When your bloodstream contains an excessive amount of uric acid, gout crystals develop. Your body naturally produces uric acid as a byproduct of the digestion of purine-containing meals.

Your joints may develop crystals if you have too much uric acid. Painfulness and redness may produce from this.

Therefore, Due to Tom's heavy drinking, his kidneys are overworked, which makes him tired. The doctor is looking for uric acid as a result.

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If a plane is scheduled to depart at 6:00 am and arrive at a destination that is 3,152 kilometers away by 10:00 am, the rate of travel would be 878 kilometers in an hour.

The speed of a moving object is otherwise known as its rate of travel. It is a measure of how fast a moving body is traveling. It is simply the distance covered within a specific amount of time.

The speed of a moving body or object can be mathematically expressed as:

Speed = distance/time

This time, the plane is supposed to depart by 6:00 am and arrive by 10:00 am. This means the total time given to travel is:

10:00 - 6:00 = 4 hours.

The total distance to be covered within these 4 hours is 3,512 kilometers.

Thus, the speed at which the plane will have to travel can be calculated as:

Speed of plane = 3,512/4

                          = 878 kilometers per hour

In other words, the rate of travel of the plane should be 878 kilometers per hour.

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Answer: Abyssal Zone

Explanation:

In order from shallow to deep

Neritic

Intertidal

Bathyal

Abyssal

Bone cells have a stellate shape, which is approximately 7 micrometers deep and wide by 15 micrometers in length. The cell body varies in size  and contain 40-60 cell processes per cell. The cell to cell distance is between 20-30 micrometers.

Compact bone is dense and composed of osteons than spongy bone  which is less dense and made up of trabeculae. Blood vessels and nerves enter the bone through the nutrient foramina to nourish bones.

Eukaryotic cells are larger and have membrane-bound organelles and rod-shaped chromosomes. Most eukaryotic cells lack a rigid cell wall and is observed in tissue culture and single-celled organisms. Animal cells are distinct from other eukaryotes, mostly plants, as they lack cell walls and chloroplasts and have smaller vacuoles. Due to the absence of cell wall, animal cells can change into a variety of shapes.

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The price at which the quantity of demand for a product equals that of the quantity of supply is known as the market price.

The market price of a product is the price that the product goes for in the market per unit based on the natural forces of demand and supply.

The demand for a product is the quantity of the product that consumers are willing and able to purchase at a particular time. On the other hand, The supply of a product is the quantity that the manufacturer of the product is able to supply to the market at a particular time.

The price at which the forces of demand meet the supply forces of a product is what is generally known as the market price for the product.

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Answer: When the northern hemisphere is pointed toward the sun, sunlight hits more directly, and it warms up this part of the earth. In the winter, when the northern hemisphere is pointed away from the sun slightly, the sun's rays come in at an angle and have less of an impact. This makes winter cold!

Explanation:

In the given image, all the stages of mitosis but no other events is represented by E.

Mitosis is a stage of the cell cycle during which duplicated chromosomes are split into two new nuclei. In the process of mitosis, cells that have the same number of chromosomes and are genetically identical are created. Therefore, equational division is a common term used to describe mitosis. Mitosis is responsible for our ability to develop, repair wounds, and replace the damaged cells. Mitosis is also significant in species that reproduce asexually: these cells can only proliferate this manner. This is the single most important mechanism that keeps asexual organism populations alive.

In the given image, E represents mitosis. It is the period in which the nucleus splits in eukaryotic cells. The two sister chromatids that subsequently form each chromosome split and migrate to opposing poles. There are five phases of mitosis: (i) prophase, (ii) prometaphase, (iii) metaphase, (iv) anaphase, and (v) telophase. The Mitotic phase A in eukaryotes consists of mitosis (where the nucleus divides) and cytokinesis (where the cytoplasm divides and forms two daughter cells). B represents cytokinesis in this case. During interphase (shown here by C), the cell expands, duplicates its DNA (represented here by D), and prepares for mitosis.

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The john made it to the hospital, the doctors gave him a sodium IV solution the doctors do this to replenish sodium fast.

The term solute has been defined as something being dissolved, a solvent is thing the dissolving the item, and solution is the mixture of the two items. Mixture has defined as the combination of two or three and more substances are mix together by showing combination but chemically there is no combination than the new substance that is formed is known as mixture.

A heterogeneous mixture has been defined as a type of mixture in which all the components can be easily observed of their identification can be done easily. All the properties of the substance present in this mixture had different components.

A homogeneous mixture has been defined as a mixture in which components are equal or uniform throughout the solution just like as a substance which is single.

Therefore, The john made it to the hospital, the doctors gave him a sodium IV solution the doctors do this to replenish sodium fast.

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The statement that is true about the replication of DNA is that; both the leading and lagging transirreplicated constantly

The term DNA stands for deoxy ribo nucleic acid. This is the genetic material that can be found in the living organisms and can be transferred from parents to offspring. This is the process of inheritance as have been expressed by the genetics of mendel

As such the replication of the DNA is very essential to the cell division process. Recall that the organisms grows via the process that we call the division and the replication of the cells in the body.

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Hepatitis C is often caused by blood transfusion (C) and (D) AIDS treatment wherein unsafe injection practice can lead to exposure to blood.

Hepatitis C is an infection of the liver caused by the hepatitis C virus (HCV). Hepatitis C is transmitted by contact with infected people's blood. Nowadays, most persons get hepatitis C by sharing needles or other drug-preparation and injection equipment.

Hepatitis C is a short-term sickness for some people, but for more than half of those who become infected with the hepatitis C virus, it becomes a long-term, chronic condition. Chronic hepatitis C can cause serious, even fatal, health problems such as cirrhosis and liver cancer. Chronic hepatitis C patients frequently have no symptoms and do not feel ill. When symptoms emerge, they are frequently indicative of severe liver disease.

Therefore, the best way to prevent hepatitis C is avoid practices that can transmit the disease, including drug injection.

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Answer: Blood transfusion

Explanation: I just did it :/

Introduction to Biology: Scientific method

The scientific method is a way to obtain knowledge in a systematic way and use it to understand natural phenomena.

The first step of the scientific method is observation, where the characteristics of the phenomena are considered and noted.

Then, a question is formulated from the observations and a hypothesis or inference of what the answer would be is made.

An example of this is the observation of feeding patterns of honeybees, and then the inference of what the honeybees prefer.

This means the right answer is A. A scientist analyzes the feeding patterns of honeybees and determines that honeybees prefer nectar over pollen.

In the fourth level of the pyramid, the energy transferred will be:

0.001 kcal

Since, A food chain's subsequent level can access 10% of any level's energy, therefore at the fourth trophic level, 0.001 kcal will be transferred from the lower levels.

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We can answer this question considering that somatic cells are those cells that are not involved in sexual reproduction (i.e. meiosis with male and female sexual cells, or sperm and egg).

These cells are the ones that we can find in our blood, and or body tissues, for example, and have a diploid DNA, from both parents.

We can say, at this point, that somatic cells are the 2 option, Nonreproductive cells.

The plant structure that is responsible for producing leaves, transporting water and nutrients, and support the plant is the stem, that together with the roots is one of the main structural axes of a vascular plant.

Answer:

The simplest type of cell transport is diffusion, in which molecules move from an area of high concentration to an area of low concentration. Diffusion does not use ATP, so it is called passive transport. The movement of a solute from an area of low concentration to an area of high concentration requires ATP usage by carrier proteins. This form of transport is referred to as active transport.

Answer:

b

Explanation:

Air Mass is the correct

Dark-coloured rock pocket mice appear first in a population of light-coloured rock pocket mice because they have a genetic mutation.

A genetic mutation is an alteration in the DNA sequence of a gene that results in something different. The gene's DNA sequence is permanently changed as a result. A genetic mutation is a chance alteration in the DNA that is handed down via successive generations of cells or organisms. Genetic diversity is necessary for human evolution, or the change that occurs across generations. A random genetic mutation arises in a single individual. In gametes, germline mutations arise. Somatic mutations occur in different cells throughout the body. Chromosomal changes are mutations that modify the structure of the chromosome. Point mutations affect only one nucleotide.

A mutation in the fur colour gene in rock pocket mice results in black fur rather than the brown fur present in mice without the mutation. This mutation makes the mice more apparent in scrub regions. The MCr1 gene mutation resulted in dark-coloured rock pocket mice that could survive and breed in basalt habitats. Thus, genetic mutation leads to the dark-coloured rock pocket mice to first appear in a population of the light-coloured rock pocket mice.

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The correct answer is A. It may need to be modified. Since science is an accumulative enterprise, historical hypothesis might had grasp the essential idea, but as new techonology becomes available to test this hypothesis, they might need to be modified in its details.

Explanation:

There are more mitochondria found in heart cells because this means we are able to produce enough energy to keep it functioning efficiently.

Answer:

The genotype of the boy's parents are Iᴬi and Iᴮi.