Could you please help me put into words with the explanation of this question.1.In your own words, describe the base-pairing rules in any DNA molecule.

Explanation:

set A ,seeds will germinate

set B,seeds will rot due to the presence of alot of water

set C,seeds will not germinate

Answer:

\(\rho _{population}=4\frac{people}{mi^2}\)

Explanation:

Hello.

In this case, since the population density is computed by dividing the amount of people by the space (area) where they are in:

\(\rho _{population}=\frac{people}{area}\)

For 200 people living in a 50-mi² area, the population density is:

\(\rho _{population}=\frac{200people}{50mi^2}\\\\\rho _{population}=4\frac{people}{mi^2}\)

It means that 4 people live per square mile area.

Best regards.

Environmental factors can change which organism is best suited for survival is TRUE about evolution.

Evolution means descendence with modification, which depend on adaptations that emerge to adjust environmental conditions.

Evolution mainly occurs by natural selection, which means it happens due to differential survival and reproduction of the fittest organisms.

In conclusion, environmental factors can change which organism is best suited for survival is TRUE about evolution.

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The characteristics that would disqualify a newly discovered biological structure from being called a cell is the lack of a stiff outer layer for support and protection (option D).

A cell is the basic unit of a living organism, consisting of a quantity of protoplasm surrounded by a cell membrane, which is able to synthesize proteins and replicate itself.

One major feature of every cell is the possession of a membrane that surrounds the cell, which is called cell/plasma membrane.

According to this question, the characteristics that would disqualify a newly discovered biological structure from being called a cell is the lack of a stiff outer layer for support and protection.

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Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species

In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.

Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.

Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.

It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.

Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.

Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.

Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.

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Some of the reasons for engaging in exercise are:

This refers to the physical activity that is done to keep one fit and healthy in both the mind and body.

Hence, we can see that your question is incomplete as you did not give information about the crew members and their exercise goals, so I gave you a general overview.

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The author's belief is that Winslow Homer's paintings depict the exciting tension between the standard of thermodynamics and the human desire for control and stability.

Homer's use of nautical and outdoor settings, as well as welcome depictions of labor and industry, represent the conflict between everything in creation's energy and the human struggle to harness and hold it.

Winslow Homer's work was created all along the late 19th century, a time of excellent technological and modern progress in America. The nation was extending westward, and skill was a growing interest in the natural world and the allure of power.

Homer's paintings indicate this cultural circumstance, as well as welcome personal experiences as a journalist covering war during the Civil War.

Homer's paintings frequently depict nautical scenes, in the way that storms, shipwrecks, and fishing expeditions. He also commonly portrays labor and manufacturing, such as lumberers, miners, and ironworkers. The content of his paintings stresses the struggle between humans and character, as well as the desire for control and expertise over the environment.

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Answer

A - Number of stars in the sky

Explanation

The number of stars in the sky will NOT affect an organisms behavior.

The amount of availability of food, water and daily temperature would influence the behavior of an organism as these are important factors of survival, but the number of starts in a sky would not influence the behavior of an organism. Thus, option A is the correct answer.

The number of stars in the sky does not depends on any factor that is related to an organism to live and survive. An organism would always behave and live according to its need. Hence, an organism does not need to be aware of the number of stars in the sky to thrive.

The environmental factors that influence the behavior of an organism are- the availability of food, water, increasing and decreasing temperatures. The availability of food and water influences the behavior of and organism as it is an important factor for the organism to survive. Also, the fluctuation of temperature is also an influencing factor as excess increase or decrease of temperature would make the environment for an organism inhabitable.

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Answer:

I dont know for sure, but I would have to say electrons. Please tell me if I'm wrong

Answer:

A system that uses the sun's energy without requiring mechanical devices (pumps or fans) to distribute the collected heat are called solar system while radiator system uses fuel to heat the water. in active solar heating system, the SUN's energy used to heat water.

The comparison of an active solar heating system with a radiator system gives;  Solar systems use the sun's energy to heat water without the need for mechanical equipment to disperse the heat, where radiator systems require fuel to heat the water.

Active solar heating systems employ solar energy to heat a fluid (liquid or air), which is then transferred to the interior area or stored for later use.

In conclusion, an active solar heating system and a radiator system are all subs of heat energy

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Answer:

The biological levels of organization of living things arranged from the simplest to most complex are:

organs

tissues,

cells,

Answer:

c

Explanation:

fossil fuels release greenhouse gasses into the atmosphere, not using them would end a lot of that pollution, thus lowering global warming

Answer: the 1st one

Explanation:

A grassland predator and prey, such as a cheetah and a zebra. Therefore correct option is (A).

The pair of organisms that is most likely to have adaptations in common is a pair of organisms that share similar environmental pressures or ecological niches. Organisms that occupy similar habitats, have similar diets, or face similar challenges are more likely to evolve similar adaptations over time.

For example, predatory animals such as lions, tigers, and leopards have evolved similar adaptations such as sharp claws, powerful jaws, and keen senses to help them catch prey. Similarly, desert-dwelling animals such as camels, kangaroo rats, and fennec foxes have adaptations such as the ability to conserve water, tolerate heat, and dig burrows in sandy soil to survive in their arid environments.

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Answer:

Bacterial Cell - Prokaryotic cell

Fungal Cell - Eukaryotic

Explanation:

This is because the bacterial cell has no nucleus but the fungal cell has a nucleus. Prokaryotes have no membrane-bound organelles and eukaryotic cells do.

Answer:

Granite, coarse- or medium-grained intrusive igneous rock that is rich in quartz and feldspar; it is the most common plutonic rock of the Earth's crust, forming by the cooling of magma (silicate melt) at depth.

Explanation:

Natural selection benefits individuals with better fitness, increasing their frequency in populations. In the exposed example, white individuals can camouflage better from predators and get to survive and reproduce.

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Natural selection is the result of the phenotype-environment interaction which determines gene destiny in space and time, selecting beneficial alleles and increasing their frequency in the population.

Natural selection results in adaptation, which means the increase of the aptitude phenotype. Aptitude is the contribution of each genotype to the next generation.

Aptitude (or fitness) is the phenotype that results in the survival, fertility, and capability of having a mate. It is a way of measuring the individual ability to leave fertile offspring. Aptitude must be significant to the natural selection act in its favor.

In many cases adaptations, resulting from natural selection can be correlated to environmental factors or selective pressures applied by other organisms or the habitat.

In the exposed example, color differences between the substrate and the crabs' bodies make them more vulnerable to the attack of predators. If this is the case, predators are acting as selective pressure or modeling environmental factor.

Red and blue crabs probable are easily seen against a white sand substrate. So the crabs' population exhibiting these colors suffer from high predation pressure.

Individuals expressing white color can camouflage better and are not seen by predators. Hence, they get to survive more in comparison with colored individuals. So crabs' response to the selective pressure is survival of white or clear individuals.

Natural selection benefits white individuals, who manage to survive and reproduce, expressing a higher fitness. The white color trait begins to spread into the whole population, and finally, it shifts towards white.

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The control group is the set of non-scarified seeds. The experimental group is the set of scarified seeds. The independent variable is scarification process. The dependent variable. is the number of seeds that germinated in each group.

Controlled variables are the amount of water supplied daily, the constant temperature of the growing environment, the type of cherry seeds used and the size of the planting pots.

Quantitative data are the daily count of the number of seeds that germinated in each group over three weeks.

The study does not have qualitative data.

A scientific experiment needs to feature all of the elements represented above to be effective and reliable. This is because these elements prove that the experiment was carried out methodically, specifically, and with care in each variable and presented data.

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Answer:

Contract

Explanation:

The main proteins involved in muscle contraction are called actin and myosin.

Answer:

Explanation:

Fertilizer

Answer:

the formation of new cells for the replacement and repair of old cells as well as for growth.

Explanation:

Answer:

Of the 23 pairs of chromosomes in any normal human cell, the first 22 pairs provide directions for an individual's body and brain development. Scientists now estimate that about half of a person's personality traits and cognitive abilities can be traced to genetic influence and that psychological disorders arise from the interactions of many genes.

Explanation:

Chromosomes are small molecules that have the ability to carry all the genetic information needed to form a living being. These chromosomes are donated by an individual's parents and are used to form 23 pairs that determine all the internal and external characteristics of an organism. Among these 23 pairs, one pair will be responsible for determining the individual's gender, and the other 22 pairs will be responsible for the instructions that will make up the entire body and brain of the individual. Many scientists believe that chromosomes are responsible for even a part of a person's personality traits and that the genes they carry are directly related to the existence of psychological disorders.

The correct fillers for the given statements are: "22" and "personality and cognitive abilities"

Chromosomes are thread-like minute structures found in the nucleus of the plant and animal cells. These are the structures that help in transferring genetic information from one generation to another. Half chromosomes come from the mother and half come from the father's reproductive cells.

Thus, the correct answers are : "22" and "personality and cognitive abilities"

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Article states that "plants take up carbon dioxide from atmosphere and convert it into food."

1.This supports the law of conservation of matter, which states that matter cannot be created or destroyed, and can only be transformed from one form to another. In this case, carbon dioxide in atmosphere is transformed into organic matter in form of plant tissue.

2. According to the article, new research shows that plants are photosynthesizing 5% more in response to increased levels of CO2 in atmosphere.

3.The article states that 5% increase in photosynthetic rate translates to  additional 5 billion tons of carbon being removed from atmosphere each year.

4.Article suggests that increase in photosynthetic efficiency may be a result of plants having more CO2 available to them, which stimulates photosynthesis.

5.Laboratory procedure used to quantify photosynthetic efficiency involves measuring amount of chlorophyll fluorescence emitted by plant. This fluorescence provides a measure of amount of light energy absorbed by plant during photosynthesis.

6. Field procedure used to quantify photosynthetic efficiency involves measuring amount of carbon dioxide taken up by plant during photosynthesis. This is done by placing plant in sealed chamber and measuring change in carbon dioxide concentration over time.

7.The article suggests that potential "saturation" of carbon dioxide in the atmosphere could lead to a leveling off of increased photosynthetic rates observed in plants.

9.The potential "saturation" of carbon dioxide in atmosphere refers to point at which plants would no longer be able to increase photosynthetic rates in response to higher levels of atmospheric CO2. If ecological photosynthetic rates were to reach saturation, it would mean that plants would no longer be able to remove more carbon dioxide from atmosphere through photosynthesis.

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Answer:

B

Explanation:

Facilitated diffusion because the transport channel proteins facilitate(help) the particle to enter the cell

The biome is considered to be a Boreal forest.

The taiga, also known as the boreal forest, is a major life zone of vegetation that is primarily made up of evergreen trees with scale- or needle-like leaves that bear cones. It is found in northern circumpolar forested regions and is characterized by long winters and moderate to high annual precipitation. According to biology, boreal forests are those that develop in high-latitude regions where freezing temperatures are common for 6 to 8 months and where trees can grow to a minimum height of 5 meters and a 10% canopy cover.

Strong seasonal variation in the boreal forest's climate is evident in its short, moderately warm, and moist summers and long, bitterly cold, and dry winters. Extreme temperature variations can sometimes reach 100°C during some seasons, particularly in the mid-continental regions.

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The given question is incomplete. The complete question is:

in this biome, very little plant litter builds up on the ground because of the hordes of decomposers living here. under these uniformly warm and humid conditions, the nutrients that are released by decomposers allow for quick uptake by producers, resulting in lush vegetation. This biome is considered to be __________.

Answer: most sex-linked genes are on the X chromosomes because they are larger than Y chromosomes. Males are more likely than females to exhibit sex-linked traits

Explanation:

Males are more likely than females to display recessive traits because a single recessive gene on the X chromosome is often not matched by a Y chromosome allele and therefore expressed.

Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.

Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.

Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.

Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.

The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.

Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.

This shows that Carlton has an impaired absolute threshold.

He could not detect the smallest quantity of a stimulus to differentiate between the smells.

Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.

This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.

Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.

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