19. This picture represents what type of cell transport?
OUTSIDE


CYTOPLASM
A. Endocytosis
B. Exocytosis
C. Osmosis
D. Passive Transport

Answer:

Only A

Explanation:

RNA is used for storing and transporting information through mostly virus only..

Energy flows in food webs according to the 10% rule, which states that only 10% of the energy stored as biomass in one level is transmitted to the following level.

Food webs are interactions between different organisms involving transference of energy when some of them feed on the other ones. The ones placed at lower levels pass energy to the ones at the higher levels.

Energy flow occurs according to the 10% rule, which refers to the energy flow along the trophic chains from autotrophs to heterotrophs and detritivorous organisms.

Only 1% of the solar energy that reaches the Earth's surface is absorbed by autotroph organisms. From there, each trophic level transmits 10% of its energy to the following trophic level. The remaining 90% is lost to the environment as heat.

The 10% rule states that only about 10% of the energy stored as biomass at one trophic level per unit of time ends up as biomass at the next trophic level, in the same unit of time.

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Answer:

Active transport mechanisms require the use of the cell’s energy, usually in the form of adenosine triphosphate (ATP).

Explanation:

If a substance must move into the cell against its concentration gradient, that is, if the concentration of the substance inside the cell must be greater than its concentration in the extracellular fluid, the cell must use energy to move the substance. Some active transport mechanisms move small-molecular weight material, such as ions, through the membrane.

In addition to moving small ions and molecules through the membrane, cells also need to remove and take in larger molecules and particles.

They became extinct, so they did not exist when the younger rock layers formed. Option D.

The most likely scenario based on the information provided is that the organisms that became fossilized in older rock layers became extinct, and therefore, they did not exist when the younger rock layers formed.

Fossils are the preserved remains or traces of organisms from the past, and they provide valuable insights into the history of life on Earth. The distribution of fossils in rock layers follows the principle of superposition, which states that younger rock layers are deposited on top of older ones.

This implies that the fossils found in older rock layers represent organisms that lived in the past and were preserved through the fossilization process.

If the older rock layers contain fossils of many kinds of organisms that are not found in younger rock layers, it suggests that those organisms no longer existed by the time the younger rock layers formed. The absence of their fossils in younger layers indicates that either the organisms became extinct or their populations shifted to different habitats or regions where their remains were not preserved as fossils.

This phenomenon aligns with the concept of extinction, which is the complete disappearance of a species or a group of organisms. Extinction can occur due to various factors such as environmental changes, competition, predation, or other selective pressures.

Organisms that became extinct would not be present in subsequent rock layers because they were no longer alive or did not have a viable population to leave behind fossil remains.

Therefore, the most reasonable explanation is that the organisms that became fossilized in older rock layers became extinct, and this is why they are not found in younger rock layers. SO Option D is correct.

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Answer:

The answer is B!

Explanation:

The autonomic nervous system, also called the visceral efferent nervous system, supplies motor impulses to cardiac muscle, to smooth muscle, and to glandular epithelium.

When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.

Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.

Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.

When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).

Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.

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Answer: it controls intelligence, memory, personality, emotion, speech, and ability to feel and move

Explanation: controls the way your brain and body functions throughout life

The specific properties of the most desired organic semiconductors for solar panel technology may evolve as advancements are made in the field.

In the context of solar panel technology, the most desired type of organic semiconductors would typically possess the following characteristics:

High Efficiency: The organic semiconductors should have a high power conversion efficiency, meaning they can efficiently convert sunlight into electricity. This is crucial for maximizing the electricity output of solar panels.

Tunable Bandgap: Organic semiconductors with a tunable bandgap would be advantageous. The bandgap determines the range of light wavelengths that can be absorbed by the material. A tunable bandgap allows for optimization to match the solar spectrum, enabling better absorption of sunlight and improved overall efficiency.

Long Operational Lifetime: The organic semiconductors should be stable and exhibit a long operational lifetime. Solar panels are expected to endure outdoor conditions for many years, so the materials used should be resistant to degradation, such as from exposure to UV radiation or moisture.

Scalability and Low Cost: Manufacturers aim to produce organic semiconductors on a large scale at a low cost. Therefore, desirable organic semiconductors should be readily synthesized using cost-effective methods and be compatible with high-volume manufacturing processes.

Environmental Friendliness: Organic semiconductors that are environmentally friendly and have low toxicity are desirable. This is aligned with the goal of sustainable and clean energy technologies.

It is important to note that the field of organic semiconductor research is still evolving, and scientists are continually working to improve the performance and characteristics of these materials.

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The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.

Finding fossils of tropical plants is not typical in tropical environments, as they are associated with warm and humid conditions, while fossils are usually found in regions with more temperate climates.

Fossils are usually found in regions with more temperate climates, but the fossils of tropical plants were discovered in Antarctica because, during the Early Cretaceous period, Antarctica was much warmer and had a more temperate climate.

Hence, finding fossils of tropical plants is not typical in tropical environments, as they are associated with warm and humid conditions, while fossils are usually found in regions with more temperate climates.

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Blue-green algae are photosynthetic prokaryotes, while fungi are eukaryotes that obtain nutrition through absorption.

Blue-green algae and fungi are both organisms, but they belong to different domains and have distinct characteristics. Blue-green algae, also known as cyanobacteria, are classified under the domain Bacteria, while fungi belong to the domain Eukarya.

Blue-green algae are prokaryotic organisms, lacking a true nucleus and membrane-bound organelles. They obtain energy through photosynthesis and are capable of converting sunlight into chemical energy. They typically inhabit aquatic environments, such as lakes, ponds, and oceans, and some species can fix atmospheric nitrogen.

On the other hand, fungi are eukaryotic organisms with a distinct nucleus and membrane-bound organelles. They obtain nutrition by absorbing organic matter from their surroundings. Fungi play crucial roles in decomposition and nutrient cycling in ecosystems. They can be found in various habitats, including soil, plants, and even as symbiotic partners with other organisms, such as in mycorrhizal associations.

In summary, the primary differences between blue-green algae and fungi lie in their cellular structure, mode of nutrition, and classification. While blue-green algae are photosynthetic prokaryotes, fungi are eukaryotes that obtain nutrition through absorption. Understanding these distinctions helps in appreciating the diversity and ecological significance of these two groups of organisms.

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Answer:

A. Producer

Explanation:

The primary source of energy for almost every ecosystem on Earth is the sun. Primary producers use energy from the sun to produce their own food

Answer:

Hi, there the answer is A. producer

Explanation:

All food chains start with energy from the sun. This energy is captured by plants. Thus the living part of a food chain always starts with plant life and ends with an animal. Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water.

The statement that is not true about recycling plastics is Only plastics marked with the #1 resin code can be recycled economically; option A.

Plastics are artificially produced materials that are polymers of organic compounds usually derived from petroleum.

Plastics are non-biodegradable, hence. they contribute a lot to environmental pollution.

In order to reduce environmental pollution from plastics, the plastics industry developed a means to reuse already produced plastic to make new plastics in a process known as recycling.

Plastics marked with the #1 and #2 resin code can be recycled economically.

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Punnett squares are used to predict the genotypic and phenotypic proportions among the progeny produced by a cross. In this case, 100% of the progeny is expected to be dihybrid BbTt, expressing brown eyes and long tail.

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

In the exposed example, we have two genes involved in the cross,

gene 1 codes for eye color

gene 2 codes for tail length

We will assume complete dominance in both cases.

Cross: between a brown eyed and short tailed monkey and a blue eyed and long tailed monkey

Parentals)       BBtt       x       bbTT

Gametes) Bt, Bt, Bt, Bt   bT, bT, bT, bT

Punnett square)    Bt        Bt        Bt       Bt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

F1) 100% of the progeny is exprected to be dihybrid -heterozygous for both traits-, BbTt.

    100% of the progeny is expected to have brown eyes and long tail.

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Answer:

Responding to stimuli / the environment

Explanation:

Answer:

A

Explanation:

Answer:

its B               good luck

Explanation:

ATP and NADPH serve as key molecules that connect the light-dependent and light-independent reactions in photosynthesis. They play crucial roles in transferring energy and reducing power between the two processes, ensuring the overall efficiency of photosynthesis.

1. Light-Dependent Reactions: These reactions occur in the thylakoid membranes of the chloroplasts and convert light energy into chemical energy. During this process, light energy is absorbed by chlorophyll and other pigments, leading to the generation of ATP and NADPH.

2. ATP Generation: The absorbed light energy is used to power the electron transport chain, which pumps protons across the thylakoid membrane, creating a proton gradient. The flow of protons back across the membrane through ATP synthase generates ATP from ADP and inorganic phosphate.

3. NADPH Generation: Simultaneously, the energized electrons from the electron transport chain are transferred to NADP+, reducing it to NADPH. This process requires the input of high-energy electrons and protons.

4. Light-Independent Reactions (Calvin Cycle): ATP and NADPH generated during the light-dependent reactions are utilized in the stroma of the chloroplasts to fuel the Calvin cycle. Here, carbon dioxide is fixed and converted into glucose through a series of enzymatic reactions.

5. ATP Utilization: ATP provides the necessary energy to power the various enzyme-catalyzed reactions in the Calvin cycle. It is used to drive the carboxylation of ribulose bisphosphate (RuBP), the regeneration of RuBP, and other key steps in the cycle.

6. NADPH Utilization: NADPH functions as a reducing agent in the Calvin cycle, providing the necessary high-energy electrons to convert carbon dioxide into glucose. It acts as a source of electrons in the reduction of 3-phosphoglycerate to glyceraldehyde 3-phosphate (G3P).

7. Recycling of ADP, NADP+, and Pi: As ATP is hydrolyzed to ADP and inorganic phosphate (Pi) during the Calvin cycle, ADP and Pi are regenerated in the light-dependent reactions. Similarly, NADP+ is regenerated from NADPH.

8. Continuous Cycle: The production of ATP and NADPH in the light-dependent reactions and their utilization in the light-independent reactions create a continuous cycle, ensuring the flow of energy and reducing power required for photosynthesis.

In summary, ATP and NADPH act as energy and reducing power carriers, respectively, connecting the light-dependent reactions that capture light energy with the light-independent reactions that utilize this energy to produce glucose. Their continuous generation and utilization ensure the efficiency and functionality of photosynthesis.

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Answer:

d

Explanation:

all of the other answer choices

I feel like it would be D. I know I'm 9 times out of 10 probably wrong.

"Nourish Your Body, Embrace Millets: Nature's Power Grains for Health and Sustainability!". The slogan concludes with "for Health and Sustainability," emphasizing the dual benefits of millets for personal health and the planet

"Nourish Your Body, Embrace Millets: Nature's Power Grains for Health and Sustainability!" This slogan highlights the key benefits and values associated with millets as a nutritious and sustainable food choice.

The phrase "Nourish Your Body" emphasizes the health aspect, emphasizing that millets are rich in essential nutrients, fiber, and antioxidants, contributing to overall well-being and vitality.

"Embrace Millets" encourages individuals to embrace these ancient grains as a versatile and wholesome part of their diet, celebrating their unique flavors and culinary possibilities.

The addition of "Nature's Power Grains" highlights the natural origin of millets and their inherent power in providing sustainable nutrition while being environmentally friendly.

The slogan concludes with "for Health and Sustainability," emphasizing the dual benefits of millets for personal health and the planet, showcasing millets as a smart and responsible choice for individuals who value their well-being and are committed to a sustainable lifestyle.

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Varicella Zoster is an infectious viral disease causing chickenpox in children and shingles in grown-ups. Inoculation plays a crucial part in avoidance and lessening complications.

Women and noblemen,

Nowadays, I would like to examine a vital and predominant viral disease known as Varicella Zoster. Varicella Zoster, commonly alluded to as chickenpox, is caused by a varicella-zoster infection. It fundamentally influences children, but can too affect grown-ups who have not been already contaminated.

Varicella Zoster presents as a profoundly infectious sickness characterized by a particular hasty, fever, and common disquietude. The infection spreads through coordinated contact or respiratory beads, making it effortlessly transmissible inside families and communities.

Whereas chickenpox is for the most part a gentle ailment in children, it can lead to more serious complications in grown-ups, pregnant ladies, and people with debilitated resistant frameworks. These complications incorporate pneumonia, bacterial contaminations, and in uncommon cases, neurological complications such as encephalitis.

Luckily, the improvement of a profoundly successful antibody has essentially diminished the frequency of Varicella Zoster around the world. Immunization not as it were secures people from the distress and potential complications of chickenpox, but too makes a difference anticipate the infection from spreading inside the community.

In any case, Varicella Zoster doesn't halt at chickenpox. Once the introductory contamination settles, the infection remains torpid inside the body and can reactivate a long time afterward, causing a condition known as herpes zoster, or more commonly, shingles.

Shingles are characterized by a difficult hasty that ordinarily happens in a single dermatome, regularly along the middle or confront. The reactivated infection can cause critical pain and inconvenience, enduring for weeks or indeed months. Moreover, complications such as postherpetic neuralgia, a persistent torment disorder, can happen, especially in more seasoned people.

To combat the chance of shingles, an isolated antibody called the shingles antibody or herpes zoster immunization has been created. This antibody not as it were makes a difference anticipate shingles but moreover diminishes the chance of postherpetic neuralgia.

In conclusion, Varicella Zoster, enveloping both chickenpox and shingles, could be a viral contamination that has critical suggestions for open well-being. We have made significant progress in reducing the burden of this disease through extensive vaccination efforts.

In any case, ongoing efforts to prevent Varicella zoster from returning to our communities and to protect powerless populations require prompt attention and vaccination.

Much obliged to you for your thought. Let's collaborate to ensure a better future for everyone.

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Places where water is stored on Earth and their respective phases:

The water cycle, also known as the hydrological cycle, is the continuous movement of water on, above, and below the surface of the Earth.

It describes the process of how water evaporates from the surface of the Earth, rises into the atmosphere, cools and condenses into clouds, and falls back to the surface as precipitation.

Seven processes involved in the water cycle and their definitions:

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True

Explanation:

Atoms of different elements have different masses because different atoms have a different number of subatomic particles i.e neutrons, protons and electrons.

Answer:

The xylem transports water and minerals from the roots up the plant stem and into the leaves. In a mature flowering plant or tree, most of the cells that make up the xylem are specialised cells called vessels. Vessels: Lose their end walls so the xylem forms a continuous, hollow tube.

Explanation:

Answer:

The periodic table _____.

1. is arranged by atomic mass

2. is arranged by number of protons

3. was developed by early alchemists

4. is divided into vertical periods and horizontal groups

Explanation:

Answer:

of elements

Explanation:

Only thing that makes sense, because that's the complete name

A common feature of all Phylum Annelida is : C.) have a segmented body plan.

The term "annelida" also refers to segmented worms. It is distinguished by having a segmented body plan, which is a characteristic shared by all individuals in this phylum. Because of their more complicated and flexible bodies due to this segmentation, they can move around and fend off predators.

Some of them may survive in a variety of habitats, including freshwater, saltwater, and moist soil. However, the majority of them are scavengers that burrow into the ground or sand. Other traits, including having a closed circulatory system or anti-coagulant substances, can differ between species.

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Answer:

With respect to the composition of DNA, in an analysis it can be found that the proportions of nucleotides are A + C = G + T (option a).

Explanation:

The proportion of nucleotides in a DNA molecule can be established according to the sequence of these nucleotides on both complementary strands, since the purinic bases of one strand are complemented by the pyrimidinic bases of another:

From this we can deduce that in a DNA molecule with two chains there will be the same amount of adenine and thymine, as well as the same number of guanine with respect to cytosine, so:

    A + C = G + T

An example of this would be a known DNA molecule (hypothetical), with 5 molecules of Adenine and 7 molecules of Guanine. In this case there are 5 Thymines, complementary with Adenine, and 7 Cytosines like Guanine:

    A + C = G + T

    5 + 7 = 7 + 5

The correct answer is B. Modern technology allowed for larger expanses of land to become cultivated, so farming took over many natural areas that were important for wildlife.

Explanation:

In the last decades, the creation of agricultural technology has increased the efficiency of growing crops. This means now, all the process is more efficient, which leads to more products to be sold and an increase in profit. However, the possibility of large scale agriculture has caused more land is used for this purpose. This often implies natural ecosystems such as forests are destroyed and the land of these ecosystems, which is usually rich in minerals, is used for extensive agriculture. This is a negative consequence of agricultural technology as natural areas important for wildlife are taken for human profit.

Answer:

B

Explanation:

Penn Foster

Genral Science

Page 14

A scientist discovers a cell that has chloroplast, cytoplasm, DNM, and a cell membrane which means that it is a plant cell.

This refers to the basic unit of plant and contain different types of organelles such as chloroplast, cell wall etc which are responsible for the biochemical processes of the cell.

The plant is regarded as an eukaryotic autotroph due to it having a nuclear membrane and being able to perform photosynthetic reactions during the manufacture of its food.

This is aided by the presence of the chloroplast which contains the green pigment known as chlorophyll which is responsible for trapping sunlight and later converted to chemical energy.

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