the water-soluble b-vitamins function primarily _______________________.\

Answer:

According of what I remember

DNA is vital for all living beings even plants. It is important for inheritance, coding for proteins and the genetic instruction guide for life and its processes. DNA holds the instructions for an organism's or each cell's development and reproduction and ultimately death.

Answer:

Viruses are nonliving and infect host cells.

Answer:

A virus is an infectious agent and it only spreads inside living organisms. They can attack anything that is living... animals, plants, people, ecs

Explanation:

Answer:

B they are very tiny

Explanation:

Thats why you have to use a microscope! (love you av btw) Nezukooo!

Answer:

it might be B or C

Explanation:

if you need two answers B and C

if you need one answer B

there you go fwend

When measuring temperature in someone receiving oxygen, the oral, rectal, and axillary sites cannot be used. Instead, the tympanic membrane, or ear canal, site should be used to measure the patient's temperature.

Correct option is A, B, and C.

The tympanic membrane site offers a reliable alternative to traditional temperature measurement sites. The tympanic membrane is located in the ear canal and has a thin, easily accessible surface. This site is not affected by external factors such as food, beverages, changes in the environment, or even oxygen levels. Therefore, the tympanic membrane is the best alternative for measuring temperature in someone receiving oxygen.

Additionally, the tympanic membrane site is particularly useful for those who are uncomfortable having their temperature taken in the traditional oral, rectal, or axillary sites. For example, infants and young children can be less cooperative when having their temperature taken in these areas, but the tympanic membrane site is a more comfortable approach.

Correct option is A, B, and C.

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The best description of predictable development of plant structure in an area over time is primary succession. The correct option is a.

Changes in the physical environment and the population of the species cause succession. There are two types of succession: primary and secondary succession.

Nudation, invasion, competition and coaction, reaction, and stabilization are the five stages of ecological succession. Autogenic succession is derived by biotic factor in an ecosystem.

Thus, the correct option is a. primary succession.

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Small dense object formed from the remnants of a star at least three times as massive as the sun is referred to as black hole.

This is a term which is referred to as an area which is present in space where gravitational force pulls so much that even light and matter can not escape from the region. This was discovered by some scientists after the objects which were put in the area weren't seen again which led to more discoveries and analysis.

The black hole is also known to be a very big and massive area and is also said to be at least three times as big and dense as the sun as result of the enormous amount of mass is packed into a tiny volume.

This is therefore the reason why black hole was chosen as the correct choice in this scenario.

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Scientific knowledge is able to exist, be trusted as factual, and be changed with new evidence is the correct statement .

Science is the search and application of knowledge and understanding of the natural and social worlds through a methodical and evidence-based methodology.

The following are examples of scientific methodology:

Observation objective: Data collection and measurement (possibly although not necessarily using mathematics as a tool)

Evidence

Experimentation and/or observation serve as yardsticks for testing hypotheses.

Induction: reasoning to construct broad principles or conclusions based from facts or examples

Repetition

Critical thinking

Verification and testing: critical inspection, peer review, and evaluation

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Answer:

invented abstract geometry

✔ Thales

explained the principle of the lever

✔ Archimedes

developed formal logic

✔ Aristotle

developed a model of the universe with the Earth at the center

✔ Ptolemy

Explanation:

Answer:

Explanation:

For each idea listed, select the thinker who is most associated with originating that idea.

invented abstract geometry

thales

explained the principle of the lever

archimedes

developed formal logic

aristotle

developed a model of the universe with the Earth at the center

ptolemy

Net primary productivity (NPP) is the amount of organic matter produced by photosynthesis in plants minus the amount of energy they use in respiration. NPP is an important measure of the amount of energy available to support ecosystems.

As ecosystems mature and undergo successional changes, the competition for resources among plants becomes more intense. This competition can lead to an increase in NPP.

During early successional stages, plants are typically spaced further apart and have more access to resources such as sunlight and nutrients. As these resources become depleted, the plants compete more directly with each other for them. This competition leads to an increase in the efficiency of photosynthesis and a higher NPP. This is because plants are more efficient at converting sunlight into energy and are able to capture more nutrients.

Overall, the increase in NPP over succession time reflects the ability of ecosystems to adapt and change in response to environmental conditions. It is an important indicator of the health and productivity of ecosystems and can help us understand how ecosystems will respond to future changes in the environment.

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In females that are heterozygous at an X-linked locus, approximately 50% of the cells express one allele.

In female cells, one of the two X chromosomes is randomly inactivated during embryonic development, a process known as X-inactivation. X-inactivation is a process that occurs in female cells, in which one of the two X chromosomes is randomly inactivated during embryonic development. The inactive X chromosome becomes highly compacted and forms a structure called a Barr body.

In this way, females have a balanced expression of genes from both X chromosomes, just like males with their single X chromosome. In a heterozygous female, the cells that express one allele are those in which the inactive X chromosome carries the gene from that allele. Approximately 50% of cells will express one allele because the inactivation of the X chromosome is random and unpredictable.

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The immune responses are precise and specific reactions against specific foreign molecules that have entered the body.

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Answer:

D

Explanation:

The have carpels that enclose, developing a seed that may turn into a fruit

Vasoconstriction of blood vessels that supply blood to the gut is a likely response when an individual is under stress or in a fight-or-flight situation.

When the body perceives a threat, the sympathetic nervous system activates, leading to the release of adrenaline and other stress hormones. These hormones cause vasoconstriction of blood vessels in certain parts of the body, including the gut, in order to redirect blood flow to areas that are more essential for survival, such as the heart, lungs, and muscles.

This response is an evolutionary adaptation that allows the body to respond quickly to potential danger, by increasing heart rate and blood pressure, and providing more oxygen and glucose to vital organs and tissues. However, prolonged or chronic stress can lead to dysfunction of the stress response system and may contribute to various health issues.

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Answer:

2. Cell wall

Explanation:

animals and some other organisms don't have cell walls, unlike plants (which has cellulose cell walls), bacteria (which has murein or peptidoglycan cell walls), etc.

An ocean current of cold water is the abiotic factor. Abiotic factor is define as the non-living components.

Abiotic factors are non-living components of an ecosystem that influence their surroundings. Examples could be light, water, and temperature in a terrestrial habitat. Abiotic elements in a marine ecosystem include salinity and ocean current.

The living species that directly or indirectly affect other organisms in an environment are referred to as biotic components. For instance, consider plants, animals, bacteria, and the waste products they produce. The non-living, or abiotic, aspects of an ecosystem include all chemical and physical substances.

So, the fungi mould on the rotting log, a forest of deciduous tree, a polar bear on an ice floe are biotic factors. and An ocean current of cold water is abiotic factor.

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Answer: The needs of the living things within the ecosystem.

Explanation: Carrying capacity for an ecosystem means the amount of organisms an ecosystem can carry.  If the ecosystem overpopulates with a certain species, it decreases the biodiversity of the entire ecosystem.  A main factor that the carrying capacity of an ecosystem is limited by is the needs of the living things in that ecosystem.  If that ecosystem overpopulates, every species in that ecosystem will compete to meet the needs of their own, whether it's food, water, or shelter.

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The inactivation period of the voltage-gated sodium channel prevents the neuron from firing another action potential too soon after the previous one.

The voltage-gated sodium channel is a membrane protein that is responsible for the rapid depolarization phase of the action potential in neurons.

During this phase, the sodium channel opens and allows sodium ions to rush into the cell, which depolarizes the membrane potential and generates the action potential.

However, the sodium channel is not continuously open. After it opens in response to a depolarizing stimulus, it quickly inactivates and becomes refractory to further opening for a brief period of time.

This inactivation period is important because it prevents the neuron from firing another action potential too soon after the previous one.

If the sodium channel did not inactivate, the membrane potential would remain depolarized, and the neuron would fire action potentials continuously, which would lead to neuronal exhaustion and ultimately cell death.

Therefore, the inactivation period ensures that the neuron has time to reset and recover before firing another action potential.

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hi have a great day

No Water Required

Seeds do not necessarily need water to germinate and grow, although some require water to soften the seed coat. Large seeds in dry conditions will hold water and allow the growing plant to grow deep roots without the need for rain or additional water.

Fully Developed Embryo

Inside each seed is a fully developed embryo that is ready to begin growing. Many seeds go through a dormancy period, which is a period when the seed will not germinate and begin growing. When conditions are right, the embryo germinates and begins growing. Having an embryo already grown gives a seed plant a better chance at survival as opposed to a spore.

Nourishment

Each seed contains nourishment for the embryo inside the seed. The endosperm is the tissue that surrounds the embryo inside the seed. The embryo uses nourishment provided by the endosperm as a jump start to begin growing.

The Seed Coat

The seed coat is one major advantage seeds have over spores. A spore is a single-celled organism that develops into a plant or fungus when the conditions are right. The spore has no outer protection.

Answer:

bailey is so smart good job

Answer:

Below some thoughs about sun's life cycle

Explanation:

The sun is a massive, luminous ball of gas at the center of our solar system. It is a star, and like all stars, it is in the process of burning through the hydrogen fuel that powers it. This process, known as nuclear fusion, releases a tremendous amount of energy in the form of light and heat, which is what makes the sun shine so brightly.

The sun has been shining for billions of years, and it still has a long way to go before it reaches the end of its life cycle. Currently, the sun is in the main sequence phase of its life, during which it is fusing hydrogen into helium at its core. This phase is expected to last for another 5 billion years or so.

Over time, the sun will begin to run out of hydrogen fuel and will start to expand, eventually becoming a red giant. This will cause it to grow so large that it will swallow up the inner planets, including Earth. Eventually, the sun will shed its outer layers, leaving behind a hot, dense core known as a white dwarf.

The sun will continue to cool and fade over the next few billion years, eventually becoming a cold, dark cinder known as a black dwarf. It is not yet known if the sun will end its life in this way, or if it will undergo a more dramatic fate, such as a supernova explosion.

No matter what happens, the sun will continue to play a crucial role in the life of our solar system for billions of years to come. It provides the light and heat necessary for life on Earth, and will continue to do so until the end of its life cycle.

Answer:

b if wrong sorry

but I am sure answer is b

Answer: C

Explanation: The apical meristem is a region at the tip of a plant's stem or root that contains a cluster of tiny, unspecialized cells called meristematic cells. These cells are capable of dividing rapidly, allowing the plant to grow in length. As the cells at the tip of the stem or root differentiate and mature, they become specialized for different functions, such as photosynthesis or support. The apical meristem is responsible for the primary growth of a plant, which is the growth in length that occurs during its early stages of development.

Microtubules. Myofibrils or motor cells such as dynein are not in charge of transporting acinar vesicles to the plasma membrane previous to secretion. It is the microtubules that aid in this process.

The third significant aspect of the cytoskeleton is microtubules, that are rigid hollow wires about 25 nm in diameter. Microtubules, like actin filaments, seem to be dynamic structures that constantly assemble and disassemble within the cell. Microtubules, along with fibrils and cytoskeleton, are indeed the elements of the cell skeletal system that determine a cell's shape. Microtubules play a variety of roles, including mitotic spindle assembly in dividing cells and axon extension in neurons. Microtubules are important cytoskeleton components. They are found throughout all eukaryotic cells and play roles in cell division, cell motility, ion channels, and cell shape maintenance.

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Explanation: When formed around artificial reefs, they encourage a high diversity of other marine plants and fishes to set up home in the area. This in turn increases the production of oxygen underwater and reduces oxygen deficiency in deeper areas.

Answer:

lungs

Explanation:

Pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide. The oxygenated blood then flows back to the heart. Systemic circulation moves blood between the heart and the rest of the body.

Answer:

A.

Explanation:

Meiosis is a form of asexual reproduction.