difference between observation and inference

Answer:

One study (Takahata et al., 1995) used 15 DNA sequences from different regions of the genome from human and chimpanzee and 7 DNA sequences from human, chimpanzee and gorilla. They determined that chimpanzees are more closely related to humans than gorillas.

Explanation:

Answer: I think its all of the above

Explanation:

photosynthesis is the process through which light energy is converted into either chemical energy or sugar. ... Some of the sugar is also stored for use later, by being converted into starch.

Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water.

At the end of photosynthesis, a plant ends up with glucose (C6H12O6), oxygen (O2) and water (H2O). ... They can even put the glucose into other sugars — such as fructose — to make a plant's fruit sweet. All of these molecules are carbohydrates — chemicals containing carbon, oxygen and hydrogen.

The conversion of 8 H₂O molecules to 2 H₂O molecules is a chemical change that occurs through a dehydration or condensation reaction. This process involves the removal of water molecules to form a larger molecule and requires energy to occur.

This is a reaction that occurs between two molecules, and results in the formation of a single, larger molecule, while releasing a small molecule, usually water. In this case, the small molecule is water (H₂O), hence the name dehydration or condensation reaction.
During this reaction, the 8 H₂O molecules combine to form 4 H₂O molecules. This reaction is often used in the laboratory to create polymers from monomers. It can also be used to produce certain biomolecules such as carbohydrates, proteins, and nucleic acids, as well as other chemical compounds.
In order to carry out this reaction, energy is required. The reaction occurs in several steps and involves the removal of water molecules from the original 8 H₂O molecules, forming a new, larger molecule. The reaction is reversible, which means that it can be carried out in both directions, depending on the conditions and reactants involved. Thus, the conversion of 8 H₂O molecules to 2 H₂O molecules is a chemical change that can occur through a process known as dehydration or condensation reaction.

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The graph predict resource depletion because the supply and consumption of forests when the consumption rate and population growth rate are both low.

The consequences of this ecological excess are increasingly evident, with imbalances such as the extinction of species, scarcity of fresh water, soil erosion, loss of biodiversity and global warming.

Reaching this limit means that all the resources used for the survival of humanity are depletion and we are in “debt” to the planet, in this case it is the graphic representation of this depletion.

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Answer: Glucose is the basic sugar produced during photosynthesis in stroma part of chloropast.

Explanation:

It occurs in a series of steps, which together constitute Calvin cycle. Glucose, the basic sugar is thus produced in stroma part of chloroplast as explained above.

Answer:

The small number behind each element symbol designates the number of atoms of each element in a chemical formula. If there is no number, it is assumed there is only one of those elements. A large number in front of a compound designates how many units there are of that compound.

Two cell components have the same function but for different chemical components are lysosome and peroxisome.

In all eukaryotic cells, lysosomes and peroxisomes are organelles with a wide range of roles. Hydrolytic enzymes (lysozymes) found in lysosomes break down molecules, whereas peroxisomes have enzymes like catalase that break down hydrogen peroxide (H2O2) into water and oxygen and neutralise toxicity. On the other hand, melanin is a substance that helps to shield the skin from damaging UV rays. On the other hand, excessive melanin in humans can cause hyperpigmentation or skin cancer. Though melanin reduction does not imply their synthesis, new substances have already been found to inhibit tyrosinase in melanogenesis.

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Answer:

mitosis: 1.is cell division

2. daughter cells are identical to the mother cell in terms of the number of chromosomes

3. passes through several phases

meiosis

1. The zygote is the most concrete example of division

2. daughter cells are not the same as the mother cell in terms of the number of chromosomes

3. can be divided into more than two

Answer:

Carbon dioxide, and water

Explanation:

oxygen and glucose are the products

Answer: A  C

.

Explanation:

Answer:

True

Explanation:

Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.

Answer:

false

Explanation:

Animal and plant cells obtain the energy they need to grow and maintain normal cellular function through the process of cellular respiration. Both of these cell types also contain cell structures known as organelles, which are specialized to perform functions necessary for normal cellular operation.

Answer:b

Explanation:

Without the presence of start codons, Protein synthesis would not occur. Option B is correct.

In the synthesis of proteins, codons are referred to as the genetic codes that represent each of the amino acids that form the protein. These codes are in groups of three base nucleotides. The mRNA or messenger is the carrier of the code that will be responsible for the production of a certain protein.

A start codon is a three-base pair of nucleotides that holds the code needed to initiate the protein synthesis. The most common start codon in humans is AUG. Without the start codons, mRNA would still be taken to the ribosomes for protein synthesis but the process would not be able to begin.

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The total number of combinations is 2 to the power of the number of heterozygous gene pairs, which is 2³ = 8.

If an individual is heterozygous for 3 genes on 3 different chromosomes, the total number of combinations observed would be 8.

This is because the law of independent assortment states that the inheritance of one trait is not affected by the inheritance of another trait.

Therefore, each of the three genes will segregate independently into gametes. This can be explained as follows:

For one gene, there are two alleles. If an individual is heterozygous for three genes, the number of alleles is 2 × 2 × 2 = 8.

Thus, the total number of combinations is 2 to the power of the number of heterozygous gene pairs, which is 2³ = 8.

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Nucleic acids include DNA and RNA, are the genetic material in living things. The main function of the nucleic acids is to store and transmit the genetic information. Thus, the correct option is A.

Nucleic acids are biopolymers, which are essential to all known forms of life. They are composed of nucleotide polymers. Nucleotides are the monomers of nucleic acids which are made up of three components: a 5-carbon sugar, a phosphate group and a nitrogenous base. The two main classes of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Nucleic acids play essential roles in all cells and viruses. The main function of nucleic acids involves storage and expression of genetic information in organisms. Deoxyribonucleic acid (DNA), encodes the information cells need to make proteins.

Therefore, the correct option is A.

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Answer:

: High in Good Fats, Protein,

Explanation:

Peanut butter is rich in heart-healthy fats: High in Good Fats, Protein, and Satisfaction

If one ate a spoonful of peanut butter for breakfast, the majority of the energy would come from the good fats present in the peanut butter because it is a rich source of good fats.

Fats are very important components of a healthy diet. They help in providing essential fatty acids, which keep our skin soft. They also help in delivering fat-soluble vitamins. They are also a great source of energizing fuel.

With so many benefits of good fats, it's easy to get confused about good fats vs. bad fats. People also get confused about how much fat they should eat, how to avoid trans fats which can cause artery clogging, and also the role of omega-3 fatty acids play in the health of the heart.

According to the U.S. Department of Agriculture's 2005 Dietary Guidelines, adults need to get about 20%-35% of their calories from fats. According to these guidelines, t least 10% of our calories should come from fat.

Unsaturated fats are considered good fats. These include polyunsaturated fatty acids and monounsaturated fats. Both kinds of fats, when consumed in moderate amounts and used for the replacement of saturated or trans fats, help in lowering the levels of cholesterol and reducing the risk of heart diseases.

Therefore, the majority of fat in peanut butter comes from good fats.

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Whales and hummingbirds are categorised as vertebrates, which means they are both animals with backbones. Both of them evolved from terrestrial creatures. Some experts think that a small, furry, four-legged creature that existed around 330 million years ago is the ancestor of both whales and hummingbirds.

The metabolism of hummingbirds and whales is one similarity. Hummingbirds drink a lot of nectar, which is rich in sugar and requires a lot of energy to keep their wings continuously flapping. Whales, on the other hand, don't use a lot of energy to stay warm because they live underwater and have a relatively slow metabolism.

However, in order to power their movements during a hunt, they need an enormous amount of energy. The high fat content of their meal, such krill or small fish, is where they get this energy.

The ability to migrate is another similarity between hummingbirds and whales. To go to their breeding or wintering areas, hummingbirds have been known to travel hundreds or even thousands of miles in the air. Similar to how some whale species may migrate thousands of miles, this is also known. For instance, grey whales travel to the warm seas off the coast of Mexico from their feeding areas in the Arctic to mate and give birth.

Both species have exceptional adaptations that have developed over time to enable these long, energy-intensive migrations, which demand a lot of preparation and energy.

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Terrestrial Creatures: Animals are that can survive and reproduce on land.

Metabolism: The chemical reactions that take place inside a living thing to keep it alive.

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Answer:

1)centriole

2)asexual reproduction

Answer:

d

Explanation:

I don't know, I'm just assuming

The neuronal impulses are not adequately passing through the axons and cannot be passed from one neuron to another, as stated in Option C.

Because they are brittle, neurons are susceptible to tearing, cutting, and pressure. A damaged neuron can stop impulses from entering and exiting the brain, affecting muscle control or causing numbness in the affected area. Peripheral nerves, the spinal cord, and the brain can all be affected by nerve injury.

It would be impossible for this neuron to receive impulses. The signal could not be recharged by this neuron. It would be impossible for this neuron to combine data from several synapses.

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Answer:

choice c

Explanation:

The neuronal impulses are not adequately passing through the axons and cannot be passed from one neuron to another

Answer:

Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent. Sexual reproduction involves two parents and produces offspring that are genetically unique. During sexual reproduction, two haploid gametes join in the process of fertilization to produce a diploid zygote.

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The characteristics of archaeology that relate it to science are B. objective, logical, and systematic

The methodical investigation of the past of humanity via the examination of physical remains, such as artefacts, ecofacts, and characteristics, is the focus of the scientific field of archaeology. To comprehend historical human behaviour and culture, archaeologists employ a variety of scientific methodologies and techniques, such as excavation, artefact analysis, radiocarbon dating, and other types of scientific dating.

The scientific method is founded on rational, and methodical investigation, which entails the creation of hypotheses, their verification through experiments, evaluation and interpretation of evidence. Similar to historians, archaeologists acquire, examine, and interpret historical material using unbiased, logical, and methodical methods. They apply rigorous methodologies to assure correctness and validity of their results and rely on empirical data to support their judgements.

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The acceleration of the object with a force of 7.92 newtons and a mass of 3.6 kilograms is approximately 2.2 meters per second squared (m/s²).

To find the acceleration of the object, we can use the formula F=ma, where F represents the force (in newtons), m represents the mass (in kilograms), and a represents the acceleration (in meters per second squared). Given that the force, F, is 7.92 newtons and the mass, m, is 3.6 kilograms, we can plug these values into the formula:
7.92 = 3.6 × a
To solve for the acceleration, a, divide both sides of the equation by the mass (3.6):
a = 7.92 ÷ 3.6
a ≈ 2.2 m/s²
Thus, the acceleration of the object is approximately 2.2 meters per second squared (m/s²), rounded to the nearest tenth.

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Answer:

Only the hard parts of an organism canbe preserved as a fossil.

Explanation:

When an organism dies, its soft parts often decay quickly or are eaten by animals. That is why only hard parts of an organism generally leave fossils. These hard parts include bones, shells, teeth, seeds, and woody stems.

The current decline of amphibian populations worldwide has been linked to a chytrid fungus.

Chytridiomycosis is an infectious disease in amphibians, caused by the chytrid fungi . Growth of the fungus leads to degradation of the keratin layer, which gradually effects by sloughing the skin, lethargy, weight loss, and potentially death.

Other forms of transmission are currently unknown but in general, chytridiomycosis is postulated to be transmitted through direct contact of hosts or through an intermediate host. Fungus also reproduces via sporangia, and are known to be spread by movement of flagellated zoospores, when they come in contact to host .

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An example of enzyme activation by cleavage is best illustrated by the activation of the digestive enzyme trypsin.

Trypsin is initially synthesized as an inactive precursor called trypsinogen, which is produced by the pancreas. In order to prevent premature activation of trypsin and potential damage to the pancreatic tissue, it is initially stored as an inactive form.

When trypsinogen reaches the small intestine, it encounters an enzyme called enterokinase. Enterokinase cleaves a specific peptide bond in trypsinogen, resulting in the removal of a small peptide fragment. This cleavage event leads to a conformational change in the enzyme, converting it into its active form called trypsin.

The activation of trypsin by cleavage ensures that the enzyme is only active in the appropriate location, preventing potential damage to the pancreas. This mechanism of activation by cleavage is a common regulatory mechanism for many enzymes, allowing precise control of their activity in specific cellular or tissue contexts.

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The thin layer of cartilage on the ends of bones where they form joints is called the articular cartilage.

Articular cartilage is a smooth, elastic, and durable connective tissue that covers the ends of bones where they meet to form joints. This cartilage allows the bones to glide smoothly over one another, protecting them from friction and wear.

Articular cartilage is unique in that it has no blood supply. Instead, it receives nutrients and oxygen from the surrounding synovial fluid. This fluid is produced by the synovial membrane, which lines the joint cavity. The synovial fluid helps to nourish the articular cartilage and keep it lubricated, reducing friction and preventing damage. The smooth surface of the articular cartilage also helps to distribute weight evenly across the joint, reducing stress and preventing injury.

Articular cartilage is important for joint health and function. When it is damaged or degraded, it can lead to pain, stiffness, and loss of mobility. This can be caused by injury, disease, or normal wear and tear. Treatment for damaged articular cartilage may include rest, physical therapy, medication, or surgery. In some cases, damaged cartilage can be repaired or replaced using techniques such as microfracture, autologous chondrocyte implantation, or osteochondral grafting.

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Answer:

Fats are the first macromolecules that are digested by saliva in oral cavity as saliva have ability to emulsify fats and oils

Explanation:

plzzz give me brainliest

Every year one hundred trees remove approximately Five tons of carbon dioxide from the atmosphere. Therefore, option A is the correct answer.Five tons of carbon dioxide.

Photosynthesis is the process in which green plants produce glucose and oxygen by using sunlight, water, and carbon dioxide in the presence of chlorophyll. This glucose helps the tree grow and carbon dioxide and oxygen are released back into the environment. Therefore, trees play an important role in cleaning the environment as they remove carbon dioxide from the atmosphere. As per studies, every year one hundred trees remove approximately five tons of carbon dioxide from the atmosphere.

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Every year one hundred trees remove approximately five tons of carbon dioxide from the atmosphere. The most suitable answer from the given options is option A.

Trees are the most efficient absorbers of carbon dioxide. They help to keep the atmosphere clean by absorbing carbon dioxide, a major greenhouse gas responsible for global warming. Trees are essential to human survival as they provide oxygen, absorb harmful pollutants, and help prevent soil erosion. Trees absorb and store carbon dioxide as they grow and develop. A single tree can absorb up to one ton of carbon dioxide over its lifetime. Tree planting is a simple and cost-effective way to reduce the carbon footprint. Increasing the number of trees in an area will reduce the amount of carbon dioxide and pollutants in the atmosphere.

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