totipotent stem cells are cells with the capacity to form complete fetus?
1.true
2.false and why

Answer:

what it eats? how it hunts? how it sheds? what it hunts? the patterns on the snake?

The Eastern gray squirrel (Sciurus carolinensis) is one of the more than 200 species of squirrels living aroud the world. It is a small omnivore mammal

The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.

The correct answer is option B.

1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.

2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.

Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.

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The circulation of blood from the right atrium till it reaches the left atrium it is called the pulmonary circulation.

The oxygen-deficient blood flows from the right atrium to the right ventricle. From there the pulmonary artery carries the blood to the lungs. There the blood is oxygenated and it is carried to the left atrium by the pulmonary vein.

The oxygen we breathe in reaches our lungs through pulmonary respiration. The carbon dioxide-rich blood reaches the lungs from the right ventricle and the lungs oxygenate the blood and remove carbon dioxide, which we breathe out.

So the process of oxygenation of blood from the right atrium and returning oxygen-rich blood to the left atrium is called pulmonary respiration.

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The reason for the clear zone may be that there is Insufficient lipolytic activity.

The absence of clear zones when using LB media with 1% olive oil for screening lipolytic bacteria could be due to Insufficient lipolytic activity.

Enzymes called lipases, which are produced by lipolytic bacteria, break down fats and oils. It's possible that the bacteria utilized in the experiment won't create lipases or have poor lipolytic activity, which would prevent them from efficiently hydrolyzing the olive oil in the media. There wouldn't be any observable clearing or lipid hydrolysis zones as a result.

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Answer:

The answer is osteoporosis

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Answer:

its a diamond crystal because its

Answer:

it shows that both balls are using push and pull

Explanation:

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Answer:

Explanation:

When the distance between the balls increases, the size of the arrows decreases. This shows that the gravitational pull between the balls also decreases.

Answer:

A. the switch is incomplete

Explanation:

Only the independent variable in the experiment was changed.

Explanation:

Step 1: Define your variables. You should begin with a specific research question. ...

Step 2: Write your hypothesis. ...

Step 3: Design your experimental treatments. ...

Step 4: Assign your subjects to treatment groups. ...

Step 5: Measure your dependent variable

Answer:

can u explain it more I might know the answer

Explanation:

These modifications include phosphorylation, glycosylation, ubiquitination, nitrosylation, methylation, acetylation, lipidation and proteolysis and influence almost all aspects of normal cell biology and pathogenesis.

The results of an activity or experiment can either prove or disprove the initial hypothesis. Also, if they disprove the initial idea or hypothesis they are surprising.

In any activity or experiment, the results are always related to the first idea or hypothesis. In this way, the results can:

For example, if the initial idea is "Plants require 10 ml of water to survive" by the end of the experiment you will understant if this is true or if it is false.

Moreover, if the results do not match your initial idea, then they can be classified as revealing and surprising.

Note: This question is incomplete because the activity is not included; however, I answered this question based on general knowledge.

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Answer:

What activity

please update the ?

Explanation:

The fact that the soil did not change significantly after five years, while the tree gained 74 kg, suggests that the tree's mass did not come from the soil alone. If the tree had gained all its mass from the soil, the soil would have lost an equivalent amount of mass, which did not occur. Therefore, this evidence suggests that the mass of a tree does not come solely from the soil.

While sunlight is necessary for photosynthesis, which allows the tree to produce glucose, the mass of a tree does not come directly from sunlight. Rather, the tree uses the glucose produced during photosynthesis to build its own tissues, such as leaves, branches, and roots. Therefore, while sunlight is necessary for the tree to grow, it is not the source of the tree's mass.

The tree's increase in mass is primarily due to the process of photosynthesis. During photosynthesis, the tree uses energy from sunlight to convert carbon dioxide and water into glucose, which it then uses to build new tissues. Additionally, the tree may have also taken up nutrients, such as nitrogen and phosphorus, from the soil, which it incorporated into its tissues. However, it's important to note that the majority of the tree's mass comes from the carbon that it takes up during photosynthesis, rather than the nutrients in the soil.

The socioeconomic impacts of flooding are decreased purchasing and production power.

This is referred to as the process in which water overflows and submerges the land which is usually dry. It leads to different types of negative consequences such as disruption of the ecosystem etc.

This occurrence leads to the displacement of people from their homes as a result of the place not being conducive enough for living due to the presence of water and other types of organisms in the home and can be prevented by providing appropriate drainage channels.

It leads to erosion in agriculture and the crops are destroyed which will lead to it decreasing production power. The purchasing power is also reduced as it threatens the livelihood of a vast majority of the affected individual.

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The potential loss of unique species due to a disaster is referred to as mass extinction. When large numbers of species disappear over a short time period then it is called mass extinction.

Biodiversity threats include burning fossil fuels and deforesting forests and other wildernesses for industrial agriculture. Other human activities, such as wildlife poaching and hunting, can also have serious impacts.

When ecosystem services no longer adequately meet social needs, biodiversity loss can have far-reaching, direct human health consequences. In addition, ecosystem services impact indirectly on livelihoods, incomes, local migration, and, in some cases, political conflict.

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The image represents air masses colliding with each other, leading to rapid changes in weather conditions.

The image represents the process of rapid changes in weather conditions occurring. The arrows in the image indicate various elements and phenomena related to these changes.

At the top, the final answer is that the image represents "Air masses are colliding with each other."

1. The arrow labeled "Direction of frontal movement" points right toward the "Cold front" map symbol. This indicates the movement of a cold front.

2. The arrow labeled "Rising warm air in front of cold front" points from the cold front upward into the sky. This signifies the upward movement of warm air.

3. The image also shows the development of clouds due to the upward movement of warm air. This indicates the presence of moisture in the atmosphere.

4. Finally, the image depicts advancing cold air behind the cold front, indicated by an arrow. This cold air is moving in the direction of the warm air.

Putting all these elements together, we can conclude that the image represents air masses colliding with each other. The cold front is advancing and pushing against the warm air, leading to the formation of clouds and changes in weather conditions. This collision between air masses often results in rapid changes in weather patterns, such as storms, rain, or temperature fluctuations.

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Answer: B. Have a nice day ;)

Answer:

The answer is either going to be B or E, I'm more positive its B

The fatty acid C23:3 (Δ8,11,14) has 23 carbon atoms and three double bonds located at positions 8, 11, and 14 and its breakdown occurs through beta-oxidation.

The fatty acid C23:3 (Δ8,11,14) has 23 carbon atoms and three double bonds located at positions 8, 11, and 14.

The breakdown of this fatty acid can occur through β-oxidation, which is the process of sequentially removing two-carbon units from the carboxyl end of the fatty acid. Each round of β-oxidation involves four steps: oxidation, hydration, oxidation, and thiolysis.

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\(\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}\)

carry out photosynthesis

Answer:

2 carry out photosynthesis

Roots in the ground, it cannot.

Answer:

Synthesis reactions

Explanation:

"Synthesis reactions bond reactants together, a process that requires energy, whereas decomposition reactions break the bonds within a reactant and thereby release energy." :)

The two blood vessels involved in the circulation of blood shown in the diagram are the pulmonary vein (VI) and the pulmonary artery (VII). The pulmonary vein carries oxygenated blood from the lungs to the heart, while the pulmonary artery carries deoxygenated blood from the heart to the lungs.

The parts labelled in the diagram are as follows: I- Superior vena cava, II- Right atrium, III- Tricuspid valve, IV- Right ventricle, V- Pulmonary valve, VI- Pulmonary vein, VII- Pulmonary artery, VIII- Left atrium.
Two features that show that the structures are possessed by humans are the presence of four-chambered hearts and the existence of a closed circulatory system. The four-chambered heart in humans allows for efficient separation of oxygenated and deoxygenated blood, ensuring that oxygenated blood is supplied to the body's tissues. The closed circulatory system in humans ensures that blood is transported within blood vessels, preventing blood from coming into direct contact with other body tissues and organs. This system allows for the efficient transport of oxygen and nutrients to the body's tissues, while also removing waste products such as carbon dioxide. These features are critical for the survival of humans, as they ensure that oxygenated blood is supplied to all body tissues, promoting overall health and well-being.

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The main skeletal features used to construct a cladogram include the presence or absence of specific bones/structures, bone shape/structure, dental characteristics, skeletal adaptations, and skull morphology.

Cladograms are phylogenetic trees that illustrate the evolutionary relationships between different organisms. When constructing a cladogram, various skeletal features can be used as characters to determine the branching patterns and common ancestry among organisms. Here are some main skeletal features used in cladistic analysis:

Presence or absence of specific bones or structures: The presence or absence of certain skeletal elements, such as wings or limbs, can provide insights into evolutionary relationships.

Bone shape and structure: Comparing the shapes, sizes, and structures of bones can help identify shared characteristics and infer common ancestry.

Dental characteristics: The structure and arrangement of teeth, including the type and number of teeth, can provide information about evolutionary relationships and dietary adaptations.

Skeletal adaptations: Features like the presence of a notochord, presence of a bony skeleton, or modifications for specialized locomotion (e.g., wings, fins, limbs) can be used to infer evolutionary relationships.

Skull morphology: Examination of the skull, including the shape of the cranium, presence and structure of specific cranial bones, and jaw structure, can help determine evolutionary relationships and functional adaptations.

By analyzing these skeletal features and comparing them across different organisms, cladistic analysis aims to identify shared derived characteristics (synapomorphies) that indicate common ancestry and to construct a branching pattern that represents the evolutionary relationships between the organisms being studied.

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What are the main skeletal features that can be used to construct a cladogram?

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Answer:

Explanation:

Geological substratum refers to the solid rock or layer of Earth's crust that lies beneath the soil, sediment, or other surface materials.

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Answer:

Something studied on the molecular level is the water.

Explanation:

Water is a molecule formed by two hydrogen atoms and one oxygen atom, whose chemical representation is H₂O. It is a molecule whose polarity makes it a universal solvent of other polar molecules.

The molecular level corresponds to the level of organization where two or more atoms unite to form molecules or substances, united by chemical bonds. H₂O is studied at this level due to its chemical structure.

With respect to other options:

Answer:

false

Explanation:

Chemical bonds certainly "contain" potential energy, and the atoms want to move to a lower potential energy (become more stable).

Answer:

they are exported, rather than feeding the local community