All cells need energy to live. How do the organelles in the plant cell above work together to get and use this energy?
A.
The nucleus makes energy from materials in the cell, and the vacuole stores this energy until the cell needs to use it.
B.
Chloroplasts make food using energy from the Sun, and mitochondria break down this food to release energy for the cell.
C.
Mitochondria take in food from the environment, and the nucleus breaks down this food to release its energy to the cell.
D.
The vacuole takes in energy from the environment, and chloroplasts change this energy into a form the cell can use.

Answer:

Proteins are the building blocks of all organisms

Explanation:

Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. You need protein in your diet to help your body repair cells and make new ones. This helps in the growth of children and Teens.

Answer: The phosphate group has the chemical composition  \(-PO_{4}\).

Explanation:

A phosphate group is a group where one phosphorus atom is attached to four oxygen atoms.

The oxygen atoms are attached to the phosphorus atom via single bond and one oxygen atom is attached to the phosphorus atom via double bond.

The chemical formula which represents a phosphate group is \(-PO_{4}\).

Thus, we can conclude that phosphate group has the chemical composition  \(-PO_{4}\).

Answer:

D.

Explanation:

Many are located along coastlines

Answer:

fat tissue

Explanation:

Answer:

Be

Beryllium

Explanation:

number of protons = atomic number.

number of electrons = atomic number

Answer:

Beryllium

Explanation: Per Penn and Foster

Consider one of the procedures where amylase and starch are reacting. If there is strong amylase activity and it is breaking down starch, then you would assign an enzyme activity level of 3 (option A)

To evaluate the enzyme activity you might observe the amounts of starch remaining in a solution or the enzyme activity. Both of them can be done qualitatively by adding substances such as iodine to the sample, which will express, through different degrees of the blue color, the enzyme activity level. So,

no enzymatic activity ----------------> level 0

low enzymatic activity ---------------> level 1

moderate enzymatic activity ------> level 2

High enzymatic activity --------------> level 3  

In the exposed example there is a strong amylase activity, breaking down starch, which means that there is a very low level of starch and high level of enzymatic activity.

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Answer:

Within the troposphere are convection cells (Figure below). Warm air rises, creating a low pressure zone; cool air sinks, creating a high pressure zone. Air that moves horizontally between high and low pressure zones makes wind. The greater the pressure difference between the pressure zones the faster the wind moves.

Explanation:

Answer: The two liquid elements are bromine and mercury.

An example of a situation where gene expression without regulation could potentially harm an organism is in the development of cancer.

Cancer is often caused by mutations in genes that control cell growth and division. These mutations can cause these genes to be expressed in an unregulated manner, leading to uncontrolled cell growth and the formation of tumors.

Without regulation of gene expression, the cell can continue to divide and grow out of control, eventually leading to the development of cancer. Gene regulation mechanisms, such as DNA methylation, histone modification, and microRNA, are critical in preventing the uncontrolled expression of genes that can lead to cancer.

Thus, the regulation of gene expression is essential for maintaining normal cellular function and preventing the development of diseases like cancer.

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Complete question:

You will find the figure with cyanobacteria, decomposers, and oxygen concentration curves in the attached files.

Answer:

- between times I - II: cyanobacteria produce oxygen through the procees of photosynthesis.

- between times II - III and III - IV: decomposers consume oxygen through the process of respiration.

Explanation:

Cyanobacteria, also known as green-blue algae, inhabits the euphotic stratum, producing oxygen through the process of photosynthesis. Probably they produce among 20 - 30% of the global photosynthetic activity. When they die, they sink to deeper water strata.

At the time I, the cyanobacteria population experiences a fast growth, which can be seen through the positive sharp increase of the curve slope. The curve reaches a maximum point just before time II, where it begins to decrease. Cyanobacteria reproduce, and the population grows in size. The more cells there are, the more photosynthetic activity, and the higher amount of oxygen is produced. Following cyanobacteria growth, there is an increase in oxygen concentration, which is reflected by the sharp increase in the curve slope. Both curves are very similar, but they are separated on time, meaning that first cyanobacteria need to reproduce and photosynthesize to posteriorly observe a proportional increase in oxygen concentrations.

Just before time II, the cyanobacteria population stops growing, and at time II begins a sharp decrease in size, reflected in the curve slope. Living cells still produce oxygen, but as there are fewer cells, oxygen concentration also decreases. Cyanobacteria are decomposed by aerobic bacteria and fungi. These last organisms consume oxygen through the process of respiration. As cyanobacteria die and are decomposed, aerobic cells can reproduce at higher rates, increasing their population size. This also can be seen reflected in the decomposers curve, which is stable until time II where it shows a sharp positive increase in its slope. As decomposers' population increases, they consume more oxygen, which concentration decreases inversely proportional to the decomposers' increase. This can be seen in the curves: from time II to time III, the aerobic organisms curve increases and the oxygen curve decreases, so as the cyanobacteria curve.

Just before time III cyanobacteria population stabilizes and during time IV keeps equal. Oxygen concentration keeps following, from time II to IV. When cyanobacteria stabilize, before time III, decomposers population starts to decrease, but they still consume oxygen.

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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1. If the individual with the dominant phenotype has an affected parent with a recessive phenotype.

2. If the individual with the dominant phenotype has affected offspring with a recessive phenotype.

In a pedigree, two situations can help determine the genotype of an individual with a dominant phenotype.

1. If an individual with the dominant phenotype has offspring with a recessive phenotype, it indicates that the individual must be heterozygous (carrying one dominant and one recessive allele).

This conclusion is drawn because the recessive phenotype can only be expressed when an individual has two copies of the recessive allele.

2. Another situation is when both parents have the dominant phenotype, but they produce offspring with the recessive phenotype.

This scenario suggests that both parents are heterozygous (carrying one dominant and one recessive allele), and the recessive phenotype appears in their offspring due to the inheritance of two recessive alleles.

By analyzing these patterns in the pedigree, we can make inferences about the genotype of individuals exhibiting dominant phenotypes.

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The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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So, an atom consists of protons, electrons, and neutrons. The nucleus of the atom is only composed of protons and neutrons, and electrons are surrounding the atom like a circle pretty much. So, a beta particle is an electron that happened to be in the nucleus, as a result of an unstable neutron dissecting into a proton and an electron. Since electrons are not supposed to be in the nucleus of an atom, the electron, or the beta particle, is released from the nucleus, if not the atom itself. The reason this occurrence transpires is to prevent the death of the atom. I hope that this has helped answer your question for you. Enjoy your day, and take care.

Answer:

Explanation:

Like this

1) The cell body of the motor neuron is located in the ventral or anterior horn of the grey matter. From there, it extends to the motor unit. 2) Contraction refers to negative feedback in which the body reacts when facing a stimulus.

The spinal cord is mainly composed of grey matter and white matter. The second one covers the first one.

The grey matter transversal section is composed of posterior, lateral, and anterior horns, also known as dorsal, lateral, and ventral horns, respectively.

Each type of horn contains a type of neuron.

The motor neuron from the exposed example is located in the anterior or ventral gray horn.

This example refers to negative feedback because the neurotransmitter release causes a cascade effect that ends in muscle contraction, tending to suppress or counter the original stimuli.

Any change that might occur in the internal functioning will be countered by negative feedback to maintain homeostasis.

Negative feedback needs receptors, central control, and effectors.

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Answer:

I believe it is, A) a zone of vegetation that borders a stream or river.

To determine the correct order of the cards representing the hierarchical organization of organisms from least complex to most complex.

The hierarchical organization of organisms typically follows a pattern from lower to higher levels, such as:

If you have a set of cards representing these hierarchical levels or a similar set, the correct order would be:

Please provide more specific information or the actual cards in order to confirm the correct order based on the given set.

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Answer:

- Species inhabiting the river and surrounding areas

- Hydraulic characteristics

- Geomorphology dynamic

- Water quality

Explanation:

Presence of different species: Assay the species inhabiting the area of the river corridor. These species include invertebrates, animals such as fishes, amphibians, reptiles, birds, and mammals, and plants living near the shore and on the floodplain. These species might be affected in some portion of their life cycles by the difference in the river pulse flows. Life stages and population dynamics might be considered of importance when timing the pulse flow.

Hydraulic characteristics: Habitat in aquatic systems varies according to the season and the pulse flow. Depth, velocity, substrate, and instream cover might be considered important factors influencing the presence of different species and their development.

Geomorphology: Refers to the shape of the channel and floodplain. These will depend on the stream velocity, sedimentation, depth, among others. The river geomorphology is in constant change, from season to season. This dynamic also affects the shape of the floodplain and riparian zone.

Water quality: Refers to the difference in sediments, suspended elements, available nutrients, dissolved oxygen, and temperature. All of these affect and influence different forms of life and their evolution through the corresponding cycle stages.

Answer:

the answer is a

Explanation:

Cellular respiration produces 30-32 ATPs from one glucose molecule.

I hope this helps!!

The type of replication error that would be most likely to result in genetic variation among organisms is a mutation.

Mutations are changes in the DNA sequence that occur during the replication process. They can introduce new genetic variations by altering the sequence of nucleotides in the DNA. Mutations can be caused by various factors, including errors in DNA replication, exposure to mutagenic agents (such as radiation or certain chemicals), or spontaneous changes in the DNA structure.

When a mutation occurs in the DNA of an organism, it can lead to changes in the genetic information. These changes can be beneficial, detrimental, or have no significant effect on the organism's phenotype. However, if a mutation provides a survival advantage or increases an organism's reproductive success, it may be selected for and passed on to future generations, resulting in genetic variation.

The occurrence of mutations is a natural and ongoing process in the evolution of organisms. It contributes to genetic diversity, allowing populations to adapt and respond to changes in their environment over time. Therefore, mutations are the primary replication error that leads to genetic variation among organisms.

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Answer:

Photosynthesis

Explanation:

Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive. Carbon dioxide, water, and light are all needed for photosynthesis to take place.

Good luck!

In beach erosion, stabilizing dunes involves several activities. Wood sand gardens help preserve the sand and other materials needed for a healthy sand dune ecosystem.

Coastal erosion is the process by which local sea level rise, strong waves and coastal flooding erode or carry away rocks, soil and/or sand along the coast.

Coasts are constantly changing due to  waves, currents and tides. Landslides and rock retreat are part of the natural  coastal erosion process. Waves that hit rocks often cause landslides. Lake Erie, Ohio is a great example.

Beaches can be damaged by strong storms or rising sea levels, but human activities such as coastal construction or the construction of navigation channels and inlets have worsened the problem and changed the natural flow of water and sand.

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Answer:

600! IF THIS ISN'T IT IM SO SORRY

Explanation:

Answer:

e-a and d are correct.

Explanation:

A person with O blood type is known as a universal donor but  when it comes to the rhesus factor the person can only donate to people who are rhesus positive.

The third trophic level is made up of prairie dogs that get their matter and energy from the grasses (option d).

The energy pyramid depicted in the image illustrates the flow of energy through an ecosystem. In an energy pyramid, each level represents a trophic level, indicating the position of organisms in a food chain. The pyramid narrows as it ascends, indicating the decrease in available energy at higher trophic levels.

In this specific pyramid, the lowest trophic level is occupied by the grass. This makes sense because grass is a producer that captures energy from the sun through photosynthesis. As a result, it possesses the most energy within the ecosystem.

Moving up the pyramid, the second trophic level is occupied by the prairie dogs. They are herbivores that primarily consume grass for their energy needs. This demonstrates that the prairie dogs acquire their matter and energy from the grasses, supporting option D.

The third trophic level contains the coyotes, which are tertiary consumers. Tertiary consumers feed on other consumers, not producers. Therefore, option A is incorrect since vultures, not coyotes, are tertiary consumers in this ecosystem.

Option B is also incorrect because the coyotes do not obtain their energy from other coyotes located in the third trophic level. They acquire their energy indirectly from the grasses through the prairie dogs.

Finally, option C is incorrect as it states that the grasses' trophic level has the most energy. While the grasses are indeed the primary producers and possess the most energy, not all of that energy moves to the second trophic level.

Thus, the correct statement supported by the ecological pyramid is option D: The third trophic level is made up of prairie dogs that get their matter and energy from the grasses.

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