A key step in developing a new explanation is:______.
a. making observations about a place or process.
b. asking questions about the observations.
c. proposing an interpretation that can be tested.
d. collecting new observations to test predictions.
e. All of these choices are correct.

Answer:

The digestive system is a group of organs.

Explanation:

The digestive system is a group of organs that work together to break down food so our body can use it for energy and nutrients.

A cell that cannot produce enough energy to function properly most likely has a problem with its mitochondria.

The mitochondria is a membrane-bound organelle in the cells of eukaryotic organism.

The mitochondrion is the organelle responsible for the conversion of food to usable energy in the form of ATP, hence, it is called power house of the cell.

The energy we make use of for our daily activities is synthesized as ATP in a process called cellular respiration.

However, according to this question, a cell that cannot produce enough energy to function properly most likely has a problem with its mitochondria.

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Answer:

For anyone who needs a real answer the answer is B:34

Explanation:

Answer:

B=34

Explanation:

If the long-haired parent cat is homozygous recessive (ll), the second parent must be heterozygous (Ll) for long hair.

Based on the given information, we know that one of the parent cats is long-haired (with a recessive allele). From the resulting kittens, we can deduce that there are two short-haired kittens and three long-haired kittens.

To find the genotype and phenotype of the second parent cat, we can use Punnett squares to perform genetic crosses. Since the long-haired trait is recessive, we can represent it with a lowercase letter (e.g., "l"), and the short-haired trait with a capital letter (e.g., "L").

If we assume that the genotype of the first parent cat is "ll" (since it is long-haired), we can set up the following Punnett square:

      l      l
L    Ll     Ll

In this Punnett square, we cross the long-haired parent ("ll") with an unknown genotype. We find that all the resulting kittens are long-haired, which suggests that the second parent cat must be heterozygous for the trait.

Therefore, we can conclude that the genotype of the second parent cat is "Ll." This means that it carries both the long-haired allele ("l") and the short-haired allele ("L").

As for the phenotype of the second parent cat, it would be short-haired since the short-haired allele ("L") is dominant. However, since the second parent cat carries the long-haired allele ("l") as well, it can pass on this trait to its offspring.

In summary, the genotype of the second parent cat is "Ll," and its phenotype is short-haired. However, it carries the long-haired allele and can pass it on to its offspring.

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Answer:

the answer is no

Explanation:

this because

Ba=1

cl=2,cl=1

H=2,H=1

S=1

O=4

A cougar hunting a deer in a diorama is a realistic depiction of the predator/prey dynamic. This model uses a cougar to represent the predator and a deer to represent the victim.

The cougar actively hunts and preys upon the deer in this model, which captures the dynamic interplay between these two animals. It emphasises the part of the predator in pursuing and catching its prey. The diorama also illustrates the environment's physical features, such as the landscape and plants, which are essential to comprehending the predator-prey dynamic. Overall, by depicting the hunt and the interdependence between the two species, this model successfully depicts the essence of the predator/prey dynamics.

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Answer:

A differential ability to exploit habitats after global climate change

Explanation:

According to the evolutionary theory proposed by Darwin (1859), it is not the strongest nor the most intelligent who survive, but those that are most adaptable to change. The animals that disappeared during the Miocene, a geological epoch from around 23 million years ago to 5 million years ago, likely failed to adapt to changes in environmental (temperature and vegetation) conditions. During this epoch (Miocene), a more severe climate and coarser vegetation likely contributed to the extinction of several mammal species (e.g., species of apes) and diversification of others (e.g., the divergence between chimpanzee and hominid lineages).

Answer:

The sequence would be ATTCATTCA.

Explanation:

Usually, when a sequence is duplicated, one of them becomes a non-coding. It's just like a computer. There can only be one specific file, or else a duplicated one will just replace the existing one, if you allow the file to do so. Same with DNA. This is why most of our DNA have no function and why we lost genetic abilities such as being able to produce our own Vitamin C.

So instead of the new gene being ATTCATTCAATTCATTCA, it's simply ATTCATTCA. You simply cannot have duplicates, just like computer files. I wish I could share an amazing video by PBS Eons giving a great explanation about genes and stuff, but sadly Brainly doesn't like such stuff, so just search up in ㄚㄖㄩㄒㄩ乃乇 (ebuTouY) "genes we lost along the way" and it should be the first video that pops out. Trust me, it's a great video, it's much better than my explanation.

Answer:

Diet is limiting oneself in foods and calories for several days or weeks. As a result, overweight is rapidly leaving, but once you return to your previous lifestyle, as extra pounds return, and getting rid of them becomes more difficult.

Proper nutrition is a complete balanced everyday diet, in which all necessary products must be present: meat, cereals, dairy products, fruits, vegetables. Eating healthy and balanced all the time not only strengthens the body but also helps to lose weight. It is known that an organism that does not regularly receive all the necessary substances begins to "junk".

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Explanation:

no link. sorry I can't help

In this food chain, plankton are the primary producers, which means they convert energy from the sun into organic matter through photosynthesis. The other organisms are consumers, which means they obtain energy by consuming other organisms.

- Plankton (primary producer)

- Moral eel (primary consumer)

- Shark (secondary consumer)

- Orca (tertiary consumer)

The transfer of energy in this food chain can be described as follows:

- Plankton produce organic matter through photosynthesis, converting solar energy into chemical energy.

- Moral eels consume plankton, obtaining the energy stored in their organic matter.

- Sharks consume moral eels, obtaining the energy stored in their organic matter.

- Orcas consume sharks, obtaining the energy stored in their organic matter.

At each level, some energy is lost through metabolic processes such as respiration and digestion, and only a portion of the energy stored in the organic matter is transferred to the next level. This is known as the 10% rule, which states that only 10% of the energy from one level is transferred to the next level.

The factor which is not associated with the oxidation of substrates by the citric acid cycle is pyridine nucleotide oxidation.

Losing electrons or raising an element's oxidation state is the process of oxidation. The reduction can occur when an element or one of its constituent atoms gains electrons or has their oxidation status decreased.

The two mononucleotides that make up the small molecules known as pyridine nucleotides are adenosine monophosphate (AMP) and nicotinamide mononucleotide (NMN). They are composed of nicotinamide adenine dinucleotides in their unphosphorylated (NAD+ or NADH) and phosphorylated (NADP+ or NADPH) forms, which have undergone oxidative and catalytic reduction.

NAD and NADP are two examples of the pyridine nucleotides that play key roles as signal transducers in metabolic conversions and, more critically, in cellular defense systems.

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When collagen in the wall of a blood vessel is exposed as a result of injury, platelets adhere and develop long, spiny pseudopods which draw the vessel walls back together.

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The probability of getting an offspring pea that is green by the geneticist is 75 %.

The result is reasonably close to the expected value of 3/4, which is equivalent to 75%.

To estimate the probability of getting a green pea offspring, we can use the ratio of green peas to the total number of peas in the sample.

The total number of peas in the sample is 483 + 159 = 642.

The probability of getting a green pea offspring is given by:

Probability of green pea = Number of green peas / Total number of peas

Probability of green pea = 483 / 642

To convert this to a percentage, we multiply by 100:

Probability of green pea = (483 / 642) * 100

Calculating this value gives us:

Probability of green pea = 75.2%

The result is reasonably close to the expected value of 3/4, which is equivalent to 75%.

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Answer:

fruit vegetables it is carbohydrates

Tom Walker signed a contract with the devil, and the demon placed a handprint as a legally binding "'signature'" on Tom's forehead. Tom was unable to back out of the agreement.

In exchange for his soul, Tom Walker makes a deal with the devil to get Kidd the Pirate's treasure (although the exchange of his soul his not explicitly stated in the story, it is implied).

The devil rode into town on his horse while carrying him, galloping into a storm. All of his bonds and mortgages were in cinders, and his gold and silver were encrusted in shavings.

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Answer:

Yes

Explanation:

Yes, the human body does contain minerals. Minerals are essential nutrients that the body needs to function properly. They are present in many foods, such as fruits, vegetables, and grains, and are also found in the water we drink.

There are several types of minerals that are important for the body, including:

Calcium: important for strong bones and teeth

Iron: helps the body produce red blood cells

Sodium: helps regulate blood pressure

Potassium: helps regulate the balance of fluids in the body

Magnesium: involved in hundreds of chemical reactions in the body

Zinc: involved in immune function and wound healing

It is important to get enough minerals in your diet to ensure that your body functions properly. If you are not getting enough minerals, it can lead to deficiencies that can cause various health problems.

I hope this helps! Let me know if you have any other questions or need further assistance.

Answer: PLEASE MARK ME AS BRAINLIST

Explanation:

The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope.

the German botanist Schleiden proposed that all plants are made up of plant cells. Thank you.

Answer:

Robert Hooke - 1965

Explanation:

Aposemantism is a warning coloration mechanism that some species use to scape from predators. The adaptation this frog species aquired is Warning coloration.

Warning coloration, also known as aposematism, is a defense mechanism used by many species to defend themselves from predators. This is a survival strategy.

These species use brilliant noticeable colors to indicate and warn other species they are dangerous for secreting toxic and poisonous chemical substances.

In general, these colors include red, blue, yellow, green, black, and orange, among others. The animal can express only one of these colors or a combination of two or more.

Different structures like glands, skin, or stingers can produce and expel these harmful chemicals.

When predator notices these animals, they relate these colors to toxic substances, so they move far away.

The adaptation this frog species aquired is Warning coloration.

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Answer:

When a gene mutation occurs, the nucleotides are in the wrong order which means the coded instructions are wrong and faulty proteins are made or control switches are changed. The body can't function as it should. Mutations can be inherited from one or both parents. They are present in the egg and/ or sperm cells.

Explanation:

i look it up

The number of colony-forming units/ ml of the original culture in the given bacterial culture was 5.2 × 10¹¹ CFU/mL of the original culture.

The following steps are to be followed according to the question:

-Ten grams of hamburger were added to 90 ml of sterile buffer.

-This was mixed well in a blender.

-One-tenth of a ml of this slurry was added to 9.9 ml of sterile buffer.

-After thorough mixing, this suspension was further diluted by successive 1/100 and 1/10 dilutions.

-One-tenth of a ml of this final dilution was plated onto Plate Count Agar.

-After incubation, 52 colonies were present.

-To determine the number of colony-forming units (CFU) in the original 10-gram sample of hamburger,

   Following formula will be used:

              N = (n × F)/V

where,

    N is the number of CFU per mL of the original culture.

    n is the number of colonies on the plate.

    F is the reciprocal of the dilution used.

    V is the volume of the culture that was plated in mL.

For the first dilution of the sample,

       V = 0.1 mL,

        F = 10,

so, N1 = (52 × 10)/0.1

= 52 × 100 = 5200 CFU/mL.

Each 1/10 dilution reduced the CFU by a factor of 10

and three 1/10 dilutions were made.

Therefore,

the total dilution factor is 10 × 10 × 10 = 1000.

For this final dilution of the sample,

   V = 0.1 mL

   F = 1000

so, N2 = (1 × 1000)/0.1

= 10000 CFU/mL.

     The total number of CFUs in the original 10-gram sample = N2 x the total volume of the culture

which is,

       0.1 mL × 1000 = 100 mL.

Thus,

       1 × 10^4 CFU/mL × 100 mL

    = 1 × 10^6 CFU in the original 10-gram sample.

Therefore, the number of colony-forming units/ ml of the original culture in the given bacterial culture was 5.2 × 10¹¹ CFU/mL of the original culture.

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the true answer is x: Glucose and y: carbon dioxide

Answer:

2 : 2 BO : OO

Explanation:

Children either have blood group B or O thus the probability of a child being either blood group B or O is 50%.

Soluble fiber can impact one's health in the following ways if their intake was higher it increases the transit time of food through the GI tract, increases the risk for constipation, control blood glucose levels, and reduce blood cholesterol levels. Thus, all of the options are correct.

Soluble fiber is fermented by bacteria in the gut, which results in increased transit time of food through the GI tract. Because soluble fiber slows down digestion, it keeps you feeling full for longer, which helps you eat less and control your weight.

Increasing the risk for constipation: Soluble fiber, when combined with water, softens the stool and increases its volume, making it easier to pass. If a person does not consume enough water while increasing their intake of soluble fiber, it could lead to constipation. One must drink enough water to prevent constipation.

Control blood glucose levels: When soluble fiber enters the digestive tract, it slows down the digestion and absorption of carbohydrates. This results in a slower and more controlled release of sugar into the bloodstream. Soluble fiber also reduces the risk of insulin resistance, a precursor to type 2 diabetes.

Reduce blood cholesterol levels: Soluble fiber binds with bile acids in the intestine, preventing them from being reabsorbed and ultimately excreted. To replace lost bile acids, the liver must make more from cholesterol. As a result, cholesterol levels in the blood drop, lowering the risk of heart disease.

Thus, the correct options are A, B, C, and D.

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Answer: all of the above

scientific names are important for organisms for several reasons as follows Precision and consistency in communication, Organization and classification of living organisms, Identification and study of organisms, Conservation and Biodiversity, Taxonomy and understanding evolutionary relationships, Facilitate research and communication among scientists.

Precision and consistency: Scientific names are unique and unambiguous, which means that there is no confusion about which organism is being referred to. This is particularly important when communicating across languages, cultures, and scientific disciplines.

Organization and Classification: Scientific names allow for the organization and classification of living organisms into a hierarchical system of groups, from the most general (kingdom) to the most specific (species).

Identification and study: Scientific names provide a way to identify and study organisms in a systematic way. For example, knowing the scientific name of an organism allows researchers to find information about its biology, ecology, and evolution.

Conservation and Biodiversity: The scientific name of an organism is linked to its place in the web of life, and therefore has a critical role in conservation and biodiversity studies.

Taxonomy: Binomial nomenclature is the foundation of taxonomy, the study of the classification and naming of living organisms. It is the method scientists use to identify, describe, and name new species, and to understand the evolutionary relationships among different organisms.

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The lines of soliloquy, from the Shakespearean play of Romeo and Juliet, shows A). Romeo's thoughts.

In the soliloquy, Romeo is struck by the beauty of Juliet, who he sees for the first time on her balcony. He compares her to the sun, and says that she is so beautiful that she makes the moon pale with envy. This shows that Romeo is deeply in love with Juliet, and that he is overwhelmed by her beauty.

The soliloquy also shows Romeo's awareness of the dangers of their love. He knows that Juliet is from a rival family, and that their love is forbidden. He also knows that he is already married to another woman. However, despite all of these challenges, Romeo is determined to be with Juliet.

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The full question is:

[Romeo:] But, soft! What light through yonder window breaks?

It is the east, and Juliet is the sun!

Arise, fair sun, and kill the envious moon,

Who is already sick and pale with grief,

That thou her maid art far more fair than she

What do these lines of the soliloquy show?

A). Romeo's thoughts

b). Romeo's actions

c). Romeo's worries

The family of elements that tends to exist as monatomic gases is the noble gases, also known as Group 18 elements.

This family includes helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). These elements have a complete valence electron shell, making them highly stable and unreactive.

Due to their stable electron configurations, noble gases do not readily form chemical bonds with other elements. Instead, they exist as individual atoms in their elemental form. This property results in their tendency to exist as monatomic gases.

Noble gases are colorless, odorless, and have low boiling points. Their inert nature and monatomic gas state make them useful in various applications, such as lighting, cryogenics, and as inert atmospheres in certain industrial processes.

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Answer:

Mitosis

Explanation:

Mitosis is the process of cell division. In this process cells are split to create exact replicas of eachother. It is why we don't grow ears on our hands when they are injured. The hand cells are replicated to create more, so it heals correctly. In the Mitosis the two resulting daughter cells always have the same number of chromosomes from the parent cell. Their role is to maintain the same number of chromosomes in each cell division constant, which allows us to grow and self-maintain our bodies.