in addition to influencing other neurons, ____ dilates the nearby blood vessels, thereby increasing blood flow to that area of the brain. a. endorphins b. glycine c. nitric oxide

Answer:

James Watson and Francis Crick solved the structure of DNA. Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.

Explanation:

Answer:

Waltson and Crick's

Explanation:

Hope this helps

To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.

Starting with two bacteria, we can observe the progression:

Hour 1: 2 bacteria

Hour 2: 2 x 4 = 8 bacteria

Hour 3: 8 x 4 = 32 bacteria

Hour 4: 32 x 4 = 128 bacteria

Hour 5: 128 x 4 = 512 bacteria

Hour 6: 512 x 4 = 2048 bacteria

Hour 7: 2048 x 4 = 8192 bacteria

Hour 8: 8192 x 4 = 32768 bacteria

Hour 9: 32768 x 4 = 131072 bacteria

Therefore, it took 9 hours for the number of bacteria to reach 131,072.

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Answer:

Amoeba

Explanation:

Binary fission is a type of asexual reproduction in which a cell divides to form two cells. It occurs in organisms that are protozoans. This means that two new daughter cells are formed in the process.

During the process of binary fission, the cell Is divided into two, this means that the DNA is replicated in both parts so that each of these cells becomes an independent organism, this means that they would be able to survive and function on their own.

Hence from the options listed, binary fission is observed in Amoeba

Biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.

The term sea rise has to do with a situation in which there is a sudden increase in the sea level. This could lead to a sudden overflow of water into rivers lakes and ponds.

We know that sea water is salty, there is excess salt concentration in a sea water while fresh water does not contain salt at all. In these cases whereby there is an overflow of seawater, the water carries salt along with it. This implies that land and fresh water could become contaminated with this salt and that would have catastrophic effects on these ecosystems.

Since fresh water organisms can not tolerate a sudden increase in the concentration of salt in the ecosystem, biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.

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MISSING PARTS

When sea levels rise as rapidly as they have been, even a small increase can have devastating effects on coastal habitats farther inland. It can cause destructive erosion, wetland flooding, aquifer and agricultural soil contamination with salt, and lost habitat for fish, birds, and plants. What happens to biodiversity in coastal communities as the sea level rises?

A

Biodiversity increases due to the merging of salt water and fresh water ecosystems.

B

Biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.

C

Biodiversity decreases because there are fewer salt water species than there are fresh water species.

D

Biodiversity increases due to the survival of both fresh water and salt water species.

because its a virus and its spreading around the world...plus u spell it wrong.

Answer:

A. ATP and NADPH

Explanation:

The two forms of stored chemical energy is ATP (Adenosine Triphosphate) and NADPH (Nicotinamide Adenine Dinucleotide Phosphate).

Answer:

A. ATP and NADPH

Explanation:

The light reactions capture energy from sunlight, which they change to chemical energy that is stored in molecules of NADPH and ATP. The light reactions also release oxygen gas as a waste product.

A) C. group: Group B, I. variable: Special juice, D. variable: Stacks of papers made. B) C. group: Half of the shower sprayed with water I. variable: coconut spray D. variable: change in green slime. C) C. group: members who do not use the product, I. variable: Grow Long use, D. variable: Speed of hair growth.

The control group is selected from the same population as the treatment group.

These two groups are identical in all aspects except for the independent variable that the researcher changes in the experimental group to observe how they affect the individuals.  

The control group is used to identify if there are any other factors influencing the results obtained by the treatment in the study, from the results that might be a consequence of other factors.

Data from an experimental group are compared with the data from a control group.

Refers to all the variables that provoke a response in another variable.

An independent variable is the one that changes or is controlled and modified to analyze how another variable responds to it.

It changes to analyze its effects on the dependent variable.

The dependent variable depends on any change in the independent variable.

Its value depends on how the independent variable is modified.

The change in the dependent variable might be either proportional or inversely proportional to the change in the manipulated variable.

A) Control group: Group B, who is not given the special juice.

    Independent variable: Special juice ingestion.

    Dependent variable: Stacks of papers each group makes.

B) Control group: Half of the shower sprayed with water

    Independent variable: Coconut juice spray

    Dependent variable: change in the appearance of the green slime.

C) Control group: The members of the family that do not use the product

    Independent variable: Grow Long use

   Dependent variable: Speed of hair growth

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The types of microorganisms that are commonly viewed with dark field or phase contrast microscopy are usually transparent or have low contrast. These microscopy techniques are particularly useful for visualizing live and unstained specimens that would otherwise be difficult to observe with bright field microscopy.

Dark field microscopy is commonly used to observe bacteria, such as Treponema pallidum (the bacterium that causes syphilis) and Borrelia burgdorferi (the bacterium that causes Lyme disease). Dark field microscopy creates a bright image of the microorganisms against a dark background, allowing for better visualization. Phase contrast microscopy, on the other hand, is used to observe a wider range of microorganisms, including protozoa, algae, and some fungi. This technique exploits the differences in refractive index and density within the specimen to enhance contrast.

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classic ecosystem

Explanation:

because i love

Answer: D

Secondary Succession

Explanation:

I took the quiz.

Transcription is a fundamental process in molecular biology that involves the synthesis of RNA molecules from DNA templates. The correct answer is d. An RNA is synthesized.

During transcription, an enzyme called RNA polymerase binds to a specific region on the DNA molecule known as the promoter. The DNA double helix unwinds, and the RNA polymerase uses one strand of the DNA as a template to synthesize a complementary RNA molecule.

This newly synthesized RNA molecule, known as messenger RNA (mRNA), is complementary to the DNA template strand and carries the genetic information from the DNA to the ribosomes for protein synthesis.

The mRNA molecule is then processed and modified before it can be transported out of the nucleus and attached to ribosomes in the cytoplasm for translation, where a polypeptide (protein) is synthesized. Therefore, during transcription, an RNA molecule is synthesized, the correct answer is d. An RNA is synthesized.

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Answer:

2

Explanation:

because it being pressure

Answer:

1. False

Explanation:

i took a quiz

Explanation:

The glow-worm begins its life in the autumn as a pale yellow egg. The freshly laid egg is extremely fragile but within a day its surface has hardened into a shell.

The glow worms use their glowing abdomen to attract male worms in order to mate thus, increasing the rate of reproduction.

Hence, glowing abdomen helps glow-worms to lure male worms which is responsible for reproductive success.

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Answer:

Chemical method for weed control is an effective method.

Explanation:

Chemical method for weed control is an effective method for controlling of weeds in the field. In this method, chemicals are used to control the growth of weeds in the field. The weedicide chemicals only effects the weeds in the field because they are specific to certain plants. 2,4- D, Butachlor, Anilophos, Pretilachlor and Pendimethalin are the examples of weedicides. This method is very effective in controlling weeds which leads to increase in the productivity of crops.

The stability of ecosystems are substance or compound that negatively affects the ecosystem, capable of causing changes in the structure and functioning of communities.

Ecological stability is characterized by the persistence of an ecosystem in keeping close to a state of equilibrium. Stability involves two concepts needed to delineate a community's response to disturbances: resistance (ecology) and resilience (ecology).

It constitutes the process of spontaneous maintenance of the cycles of environmental relationships maintained between factors in permanent interaction, forming stabilized ecosystems and, therefore, capable of co-evolution and their own succession.

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Answer:

The stability of ecosystems are substance or compound that negatively affects the ecosystem, capable of causing changes in the structure and functioning of communities.

Explanation:

Copied and pasted from dude above.

Answer:

Make the pic closer please

Explanation:

A little bigger

The answers to the given questions are as follows:

The procedure used to build a well and bore tubes through the Earth's surface is known as oil drilling. The tube is attached to a pump, which forcibly removes the petroleum from underground.

Because oil and natural gas are found far below the earth's surface, drilling is a difficult procedure. To access fossil fuel resources, a hole must be drilled through the crust of the planet. After that, the oil must be safely pumped out of the oil well.

Steps of Oil Drilling:

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The bases in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T) (T). These bases are available in specific pairs (A with T, and G with C).

The chemistry of nitrogenous bases is what determines how DNA works. It permits a process known as complementary base pairing. Cytosine, for example, can establish three hydrogen bonds with guanine and two hydrogen bonds with thymine. Alternatively, to put it simply, C bonds with G, and A bonds with T. It's called complementary base pairing since each base can only bond with one other base. Similar to a lock and a key, the structures work best together. In DNA, C only bonds with G, and A only bonds with T. The hydrogen-bonded nitrogenous bases are sometimes referred to as base pairs due to complementary base pairing.

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The type of force creating this fracture in ulna and radius is indirect force.

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A low pressure system would cause storms to develop- things like increasing wind speed, higher temperatures.

Answer:

the correct answer is C just took the test

Explanation:

Answer:

People adapt and mate with others

Explanation:

Yes, both concrete and terrazzo rely on aggregate as part of their material makeup. In the case of concrete, aggregate plays a crucial role in providing strength and durability to the material.

The aggregate, which can be composed of various materials such as crushed stone, gravel, or sand, is mixed with cement and water to form the concrete mixture. The aggregate fills the space between the cement particles, providing bulk and adding structural integrity to the hardened concrete.

Similarly, terrazzo also incorporates aggregate into its composition. Terrazzo is a composite material made by embedding small pieces of aggregate, such as marble chips, glass, or other materials, into a binding matrix, typically consisting of cement or epoxy resin.

The aggregate gives terrazzo its distinctive appearance, providing a range of colors, textures, and patterns. In both concrete and terrazzo, the aggregate contributes to the overall strength, durability, and aesthetic characteristics of the material.

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Answer:

As the sweat evaporates off your skin, you cool down. Sweat is a great cooling system.

Explanation:

Answer: When the sweat hits the air, the air makes it evaporate (this means it turns from a liquid to a vapor). As the sweat evaporates off your skin, you cool down. Sweat is a great cooling system, but if you're sweating a lot on a hot day or after playing hard you could be losing too much water through your skin.

Explanation: Have a great day!!!

Energy flow through the ecosystem is a process that involves the transfer of energy from one organism to another in an ecosystem. It is a fundamental process that drives the functioning of an ecosystem.

There are various worksheets available online to help students understand the concept of energy flow through the ecosystem. Some of the answers to these worksheets include:1. The Sun is the ultimate source of energy for all ecosystems.2. The energy from the Sun is captured by producers such as plants, which convert it into organic matter through photosynthesis.3. The energy stored in the organic matter of producers is transferred to consumers such as herbivores, which eat the plants.4. The energy stored in the organic matter of consumers is transferred to other consumers such as carnivores, which eat the herbivores.5. The energy stored in the organic matter of decomposers such as bacteria and fungi is released through the process of decomposition.6. The energy flow through an ecosystem is unidirectional and flows from the Sun to producers, to consumers, and finally to decomposers.7. The efficiency of energy transfer between trophic levels in an ecosystem is only about 10%, which means that only about 10% of the energy stored in one trophic level is transferred to the next level.8. Human activities such as deforestation, pollution, and climate change can have a significant impact on the energy flow through an ecosystem.

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The phenotypic frequency from generations 1 to 3 shows there are naturally more individuals with the dominant trait. Moreover, changes in frequency show this population does not have Hardy Weinberg equilibrium.

Phenotypic frequency refers to how common a trait is in one population. In this case, the number of individuals with a recessive vs those with a dominant trait.

From the information provided in the chart, we can see in the first three generations there is a higher number of individuals with a dominant trait, which is genetically natural, and this occurs even as the population grows.

Hardy Weinberg Equilibrium is a principle that establishes under normal conditions phenotypic frequency should be constant. This does not occur in this population because by generation 6 there is almost the same number of individuals with a dominant and a recessive trait, which shows phenotypic frequency is changing.

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The correct option b. In eukaryotes,  transcription occurs in the nucleus, while translation occurs in the cytoplasm  are reasons why eukaryotes have a more complex gene regulation than prokaryotes.

For instance, while having genomes that are more than ten times as large as those of humans and salamanders, respectively, these creatures are unquestionably not ten times as complicated than ourselves.

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Answer:

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A society is choosing to replace its nuclear power plants with more sustainable geothermal power plants. Which of the following is an advantage to switching to geothermal power?

A. It can contaminate groundwater.

B. It uses a renewable resource.

C. It consumes a radioactive material.

D. It produces more hazardous waste.

Explanation:

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The first and third halves of the moon, when the moon seems to be "half full," are when neap tides occur.

Every month, at perigee, when the moon is closest to Earth, tidal-generating forces are stronger than usual, resulting in tide ranges that are higher than typical. When the moon is at its furthest distance from Earth, or apogee, about two weeks later, the lunar tide-raising effect is weaker and the tidal ranges are smaller than usual.

The Moon is facing the Earth and Sun at a 90-degree angle during this phase. The Moon appears to be partially lighted and partially in shadow. We observe what appears to be the right half during the first quarter.

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Answer:

Tundra

Explanation:A tundra is mostly Antarctica or the Arctic or mostly an area that's covered with loads of ice and snow.Arctic tundra is a very cold, windy, and treeless biome that's snow-covered for much of the year.