Sometimes the moon looks like a crescent. At other times, the moon looks like a half circle. What makes it possible to see the surface of the moon from Earth?

Answer:

Parasitic symbiosis is when one organism exploits the other. For example, the mistletoe that grows on oak trees at the Table Rocks is a parasite; it sinks its roots into the oak and steals water and nutrients. The oak suffers from the association; a heavy mistletoe infestation can even kill the tree.

Explanation:

Hopefully this helps :)

In order to supply living creatures with the necessary adaptations and efficiency, evolution has led to complexity in body design. The bodily cavity, also known as the coelom, is a fluid-filled region where organs like the heart, lungs, stomach, and intestines can grow, expand, and move. In humans the body cavity has been divided into dorsal, thoracic, abdominal and pelvic cavities on the basis of their body position and the organs lodged there. The fluid in the body cavity keeps all the body organs hydrated and also provides a sort of hydrostatic support. It also helps to maintain homeostasis within the body.

The evolution of living things reveals that they began as aquatic prokaryotes, progressed to aquatic eukaryotes, and eventually became multicellular creatures that gradually adapted to life on land. The evolutionary tree's pinnacle or greatest level is seen as being human. The body cavity gives the intricate internal organs the environment they require to work properly. Evolution produced the many bodily compartments in humans because each function in the body has specialized organs that work separately yet together. These cavities are divided from one another by tissues and membranes.

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Evolutionary divergence in directions of high phenotypic variance in the ostracode genus Poseidonamicus to reconstruct in great detail the evolutionary history of a set of landmark-based morphometric characters.

In most cases, phenotypic variance mixes environmental and genotypic variance. There are three main types of genetic variance: additive genetic variance, dominance variance, and epistatic variance. The inheritance of a specific allele from a parent and this allele's independent impact on a particular phenotypic are both examples of additive genetic variance, which results in a departure of the phenotype from the mean phenotype. The phenotype variation brought on by interactions between different alleles controlling the same trait at a single locus is referred to as dominance genetic variance. Different alleles at various loci interact to produce epistatic variation.

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Answer:

True, veryyyyy true

:))

Answer:Quizlet

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The bar graph (P 58) shows the total amount of produce from a chemical reaction performed at three different temperatures. The same enzyme w

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35 C created the most amount of product (2 mg), 25 C creates

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Quizlet

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a graph shows the total amount of product from a chemical reaction performed at three different temperatures. the same enzyme was involved i

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•at 25 degrees C there was 1 mg of product •at 35 degree

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Chegg

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CHEMISTRY Effects of Temperatures on a Reaction Interpreting a Graph The bar graph shows the total amount of product formed from a chemical reaction that was performed at three different temperatures for the same time period. The same enzyme was involved each time in the chemical reaction 2 Describe the results at each temperature. Total Product (mg) 1

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Interpretation from graph: From the graph it is clear that at first with rise in temperature product increases , but after a certain temperature (35oC) , product decreases with ri...

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Can you help me answer it please? I need it before 9pm today! Can...

Answer · 1 vote

Reactants are starting molecules that undergo chemical change in a chemical reaction. Based on diagram 3, an arrow in a chemical reaction represents a chemical change. It means that the reactants in the left side undergoes a reaction leading to the right-side products. The molecules that come after the chemical change are called products. They are the results of the chemical change of the reactants. Based on diagrams 5-8, another word for reactants is "substrates". Looking at our diagrams, you can see that the substrates attach to the enzyme in the left side. Therefore, in order for the reaction to take place with an enzyme, the reactants or substrate must attach to the enzyme. After the reaction takes place, you can see in diagrams 5-8 that the products formed leave the enzyme. The enzyme detaches the products from itself. You can see various drawings of enzyme showing different shapes of active sites. This is because each enzyme has different active sites. In diagram 10, there are 3 …

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Explanation:

Answer:

yeah it is true it controls what enters or leaves the cell

The structure of pinecones in the taiga biome demonstrates adaptations to the harsh climate conditions and ensures the successful reproduction and survival of pine trees in this challenging environment.

The taiga, also known as the boreal forest, is a biome characterized by long, cold winters and short, cool summers. It is primarily found in high-latitude regions of the Northern Hemisphere, such as Canada, Alaska, Scandinavia, and Siberia. The climate in the taiga is classified as subarctic, with distinct seasonal variations and low average temperatures.

Temperature: Winters in the taiga are long and bitterly cold, with average temperatures ranging from -20°C to -30°C (-4°F to -22°F). Summers are short and mild, with average temperatures ranging from 10°C to 20°C (50°F to 68°F).

Precipitation: The taiga receives moderate to high precipitation, primarily in the form of snow during winter and rain in the summer. Annual precipitation ranges from 400 to 900 millimeters (16 to 35 inches), with the majority falling during the summer months.

Snow cover: Snow covers the taiga for a significant portion of the year, typically from October to May. This snow cover provides insulation for the underlying vegetation, protecting it from extreme cold temperatures.

Soil: The taiga has acidic, nutrient-poor soils, often referred to as podzols. These soils are low in organic matter and minerals due to slow decomposition rates in the cold climate and leaching caused by precipitation.

Now, let's explore how the structure of pinecones helps ensure successful reproduction in the taiga:

Protection: Pinecones have a protective structure that shields the seeds within. The scales of pinecones are thick and woody, providing insulation and defense against the harsh winter conditions, including freezing temperatures, snow, and ice. This protection ensures the viability of the seeds during winter dormancy.

Adaptation to fire: The taiga is prone to forest fires, which play a vital role in the regeneration of the ecosystem. Pinecones have evolved to take advantage of these fires. Some pine species have serotinous cones that remain closed until they are exposed to the high temperatures of a fire.

Dispersal mechanisms: Pinecones employ various mechanisms for seed dispersal. One common mechanism is through the use of winged seeds called samaras or pine seeds that are equipped with a papery wing-like structure.

Timing of seed release: Pinecones have evolved to release their seeds under favorable conditions. In the taiga, this often occurs during the warmer and wetter summer months.

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Tetrodotoxin (TTX) and botulinum toxin (BTX) are two neurotoxins that cause paralysis. The underlying mechanisms are given below:a) Both block the voltage-gated Na+ channels to inhibit the firing of action potentials.

Both tetrodotoxin (TTX) and botulinum toxin (BTX) block voltage-gated Na+ channels to inhibit the firing of action potentials, which results in paralysis. Tetrodotoxin (TTX) is a potent neurotoxin that is found in pufferfish, whereas botulinum toxin (BTX) is produced by the bacteria Clostridium botulinum.

Both neurotoxins inhibit the release of neuro transmitters from nerve endings in muscles. TTX inhibits the release of acetylcholine (ACh) by blocking voltage-gated Na+ channels in the axons of nerve cells that supply the muscles. Botulinum toxin (BTX) prevents the release of ACh from nerve endings by blocking the docking of vesicles containing ACh with the plasma membrane of the nerve ending. As a result, muscle contraction is prevented, leading to paralysis.

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Answer:

observation : a toaster doesn't work

question : is something wrong with the electrical outlet

hypothesis : something is wrong with the outlet my coffee maker also won't work and plug into it

experiment : I plug my coffee maker into the outlet

result : a coffee maker works

2nd result : my toaster is broken

The brown marmorated stinkbug is a generalist species, capable of feeding on a wide variety of plants.

The brown marmorated stinkbug exhibits a generalist feeding behavior, consuming a diverse range of plants. It has been observed feeding on over 300 different plant species, including fruits, vegetables, crops, and ornamental plants. This broad diet allows the stinkbug to adapt to various environments and exploit available food sources.

However, this feeding habit poses challenges for farmers and gardeners, as the stinkbug can cause significant damage to crops and fruit trees. Its ability to utilize different plants as food enables it to establish populations in various regions and contributes to its successful spread worldwide.

The stinkbug's generalist nature allows it to thrive in different habitats and take advantage of diverse food resources, making it a versatile and adaptable species.

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Yes, there is a statistically significant difference between the absorption data of black walnut trees and maple trees due to difference in values of absorption.

Yes, there is a statistically significant difference between the absorption data of black walnut trees and maple trees because the average carbondioxide absorption of black walnut is 7.26 while on other hand, the average carbondioxide absorption of maple tree is 5.82. We can see there is big difference of absorption data between black walnut trees and maple trees.

So we can conclude that there is a statistically significant difference between the absorption data of black walnut trees and maple trees due to difference in values of absorption.

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Operator is D) a non-coding regulatory DNA sequence motif that binds a repressor. When thinking of gene expression in prokaryotes (bacteria), it's important to know the definition of an operator. Hence, option D) is the correct answer.

The most appropriate definition of an operator is that it's a non-coding regulatory DNA sequence motif that binds a repressor. Gene expression in prokaryotes is regulated by a few mechanisms like the operon model. In prokaryotes, an operon is a collection of genes that work together to carry out a particular function and regulated by a single promoter.

The gene expression of an operon is regulated by the operator. A repressor binds to the operator to block RNA polymerase from transcribing the genes.

A is incorrect because it describes an operon, not an operator. B is incorrect because it describes a DNA-binding protein, not an operator. C is incorrect because it describes the promoter, not the operator.

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Knowing the alpha (impact) angle of a blood stain can provide information on the point-of-convergence. The correct alternative is option A.

The alpha angle is the angle between the long axis of a bloodstain and a line perpendicular to the surface on which the bloodstain has landed.

This angle is useful in determining the direction from which the blood droplet originated and can provide important information about the point of convergence, which is the location in three-dimensional space where the blood spatter originated.

By analyzing the alpha angle of multiple bloodstains in a crime scene, forensic investigators can determine the direction of the blood droplets' travel, and subsequently the location of the point of convergence.

The point of convergence is the point at which the lines of travel of multiple blood droplets intersect in three-dimensional space, and is typically an important area to investigate as it can provide important information about the location and movement of the victim and perpetrator during the crime.

In addition to the point of convergence, the alpha angle can also provide information about the type of weapon or object that was used to produce the bloodstain.

For example, a high-velocity impact angle (i.e. small alpha angle) can indicate a gunshot, while a low-velocity impact angle (i.e. large alpha angle) can indicate a blunt force impact, such as from a baseball bat or a hammer.

So, the correct alternative is option A.

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The sentences that describe a tropical dry forest are:

A. It experiences rapid nutrient cycling.

D. It is mostly composed of deciduous trees.

A tropical deciduous forest is one that contains trees with broad leaves, dry or semi-dry trees are present. This forest has always nutrient cycling and also contains deciduous forest.

The options are attached below:

A. It experiences rapid nutrient cycling

B. It is always wet

C. it has very poor soils

D. It is mostly composed of deciduous trees

Thus, options A and D are correct regarding tropical dry forest

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The DVD experiment is not found here but the idea of spontaneous generation is wrong and therefore does not cause bacterial growth (Option C).

Spontaneous generation is an erroneous idea form the past indicating that organisms can emerge without previous life.

This idea was refuted by the experiment of L. Pasteur who showed spontaneous generation does not occur.

In conclusion, the DVD experiment is not found here but the idea of spontaneous generation is wrong and therefore does not cause bacterial growth.

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If I wish to change an immunofluorescence stain so it stains a different type of microorganism than it did before: e. use a different type of antibody.

The type of microorganism being stained in an immunofluorescence assay is determined by the specific antibody used in the reaction. The antibody recognizes and binds to a specific protein on the surface of the microorganism, allowing it to be visualized under a microscope. If you want to change the type of microorganism being stained, you would need to use a different antibody that recognizes a protein on the surface of the desired microorganism. Changing the type of microscope or switching from epifluorescence to transmitted fluorescence would not affect the type of microorganism being stained, and changing the dye from fluorescent to non-fluorescent would only affect the visualization of the stain, not the specificity of the reaction.

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Answer:

active transportation

Explanation:

Answer:

When the resources are infinite (cyclic), the population exhibits exponential growth, resulting in a J-shaped curve ... In logistic growth, population expansion decreases with the scarcity of resources. It turns off when the carrying capacity of the environment is reached, resulting in an S-shaped curve.

Translation is the process of synthesizing proteins from the genetic information encoded in messenger RNA (mRNA) molecules. To carry out translation, a cell requires several key components, including:

Ribosomes: These molecular machines are the site of protein synthesis and consist of two subunits made up of ribosomal RNA (rRNA) and proteins.

Transfer RNAs (tRNAs): These small RNA molecules bind to specific amino acids and transport them to the ribosome, where they are added to the growing protein chain.

Messenger RNA (mRNA): These single-stranded RNA molecules carry the genetic information from the DNA in the nucleus to the ribosome, where it is used to synthesize proteins.

Amino acids: These building blocks are linked together in a specific order to form a protein chain.

Energy in the form of ATP: This energy source is required for the attachment of amino acids to tRNAs and for the movement of the ribosome along the mRNA molecule during translation.

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An increase in births and a decrease in deaths would cause an increase in the size of a population. This is because births add individuals to the population while deaths remove them.

Therefore, if the birth rate is higher than the death rate, the population will increase. On the other hand, if the death rate is higher than the birth rate, the population will decrease.

The other options listed in the question would cause a decrease in the size of a population. An increase in deaths and a decrease in births would result in a decrease in population size, as more individuals would be dying than being born. An increase in emigration and decrease in births would also decrease the population size, as individuals are leaving the population and there are fewer new individuals being added. Finally, an increase in deaths and a decrease in immigration would also decrease the population size, as individuals are leaving and there are fewer new individuals being added.

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Any straight line, including the green and orange ones, exhibits constant speed. Even though the green line appears to be moving at a consistent rate of zero throughout time, the position remains constant.

the speed at which an object's location changes in any direction. The distance traveled in relation to the time it took to travel that distance is how speed is defined. Since speed simply has a direction but no degree, it is a scalar quantity.

Speed is a unit of measurement for how quickly something is moving. The most used speed measurements are miles per hour (mph), kilometers per hour (km/h), and metres / second (m/s) (mph). During a typical car trip, the speed limit will vary.

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If several highly educated scientists all study the same scientific data, then they may have different conclusions because of the following factors:

Interpretation of data: Each scientist may have a different interpretation of the data, leading to different conclusions. This is because interpreting data involves the use of subjective judgment and prior experiences with similar data.

Personal biases: Personal biases may also affect the conclusions drawn from the scientific data. Personal biases refer to a scientist's preconceived ideas or prejudices that can influence their interpretation of the data. This can affect their ability to draw an objective conclusion.

Overemphasis of certain aspects: The overemphasis of certain aspects of the data or leaving out of certain details can result in different conclusions among scientists. Scientists may focus on different aspects of the data, leading to different conclusions.

Experimental setup and procedure: The experimental setup and procedure can also have an impact on the conclusions drawn from the data. If there are variations in the experimental setup or procedure, it can lead to different conclusions among scientists.

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Penetrance is the percentage of individuals having a particular genotype who express the expected phenotype. Therefore, the correct answer is the second option.

Penetrance is a measure of the likelihood that a genetic trait will be expressed. If a trait has complete penetrance, it means that 100% of individuals with a particular genotype will express the expected phenotype. If a trait has incomplete penetrance, it means that not all individuals with a particular genotype will express the expected phenotype.

For example, if a trait has 80% penetrance, it means that 80% of individuals with a particular genotype will express the expected phenotype, while 20% will not.

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The fayum primates may be linked to the platyrrhines as evidenced by the presence of three premolars  because there are three premolars, parapithecids may be related to platyrrhines.

The required details about  parapithecids is mentioned in below paragraph.

The higher primates are most evolved than the parapithecids. Its basic features are its dental formula, which is the same as that of New World Monkeys. We can infer from this that all higher primates share the same fundamental dental equation, and that it existed before the division between Old World and New World monkeys.

Primates belonging to the extinct Parapithecidae family lived in Egypt throughout the Eocene and Oligocene eras. Additionally, the family occasionally includes Eocene fossils from Myanmar. They possessed short faces and jaws that resembled tarsiers, yet they shared some dental characteristics with Condylarthra. They belong to the superfamily Parapithecoidea and are maybe equally connected to Ceboidea, Cercopithecoidea, and Hominoidea, while it is unclear where Parapithecoidea actually belongs. Its postcranial skeleton is comparable to that of extant species of pronograde leapers, indicating that its likely mode of movement was pronograde leaping, and it looks to have been arboreal, diurnal, and frugivorous.

Primates also appears to have lived in social groupings.

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mechanical advantage is the number of times that a machine increases an input force

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Answer:

The force of the Machine is the Answer

Explanation: