3. Design and describe an experiment using celery stalks to demonstrate how certain conditions will cause a loss or gain of turgor pressure. In order to follow the scientific method, your description should start with an observation and be followed by (i) a testable hypothesis, (ii) an outline of the experiment that will test the hypothesis, (iii) a description of the type of data that will be collected, and (iv) a possible conclusion that could likely be made after completing the experiment

Answer: Contrast

Explanation:

Contrast can be altered by light intensity and staining

Contrast can be altered by light intensity and staining.

When the source of light moves away or comes closer to an individual, the wavelength of the light decreases or increases respectively.

And the color of the light changes slightly in what is known as the doppler effect.  

Thus, Contrast can be altered by light intensity and staining.

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Reduced effective habitat size generalist feeding traits are likely to enable an organism's ability to survive the anthropocene era.Option (D)

The Anthropocene era is characterized by human-induced environmental changes, such as habitat destruction and climate change, which have led to a decline in biodiversity and a shift in the distribution of species. Organisms with reduced effective habitat size can adapt to fragmented landscapes and thrive in human-modified habitats such as urban areas.

Generalist feeding enables organisms to adapt to changing food resources and exploit multiple food sources. Therefore, organisms with these traits are more likely to survive and persist in the Anthropocene era.

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Full Question:  Which traits are likely to enable an organism's ability to survive the anthropocene era?

a. dioecy and relatively large effective habitats

b. reduced dispersal and attractive plummage

c. longer generation times and reduced mutation rates

d. reduced effective habitat size generalist feeding

Because freshwater vertebrates are hypertonic to the environment and tend to lose ions

Vertebrates are a group of animals that have a backbone. The spine originates from the development of the primary body support axis. An example of a freshwater vertebrate is a freshwater fish.

Throughout its life the fish is in the water, the fish's body fluids are lower than the surrounding environment or commonly referred to as hypertonic. So that the water diffuses into the body of the fish continuously. The excretory system of the fish will get rid of excess water so that the fish's body is always balanced. Urine produced by freshwater fish contains nitrogen compounds. Urine that comes out in large quantities can cause the loss of materials such as salt, sodium chloride ions from the fish's body

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Answer:

cell specialization is the process by which a cell changes from one cell type to another.a cell changes into a specific cell meant to perform a specific function within the body.

I hope this helps

Cell specialization, also known as cell differentiation, is the process by which generic cells change into specific cells meant to do certain tasks within the body. ... In adults, stem cells are specialized to replace cells that are worn out in the bone marrow, brain, heart and blood.

Answer: Carbon Dating though measuring Carbon-14 levels

Explanation:

Scientist measure the age of a fossil determined on the Carbon-14 level compared to the Carbon-12 level. This method works because:

Quorum regulation of luminescence in vibrio fischeri serves a native role in microbial quorum sensing and responds to quorum signaling molecule.

Microbiology is the branch of biology which deals with study of microorgnisms, either unicellular or multicellular. The importance of microbiology is that as we know that microorganisms are very important for our daily life and they play a major role in several biochemical processes such as change in climate, biotechnology, biodegradation and spoilage of food.

Biotechnology is advanced and developed technology that used to solve several problems of daily life and in the production of useful products. Biotechnology is used in various fiels such as industrial, animal and plant, humam, environmental. These are the different branches of biotechnology.

Therefore,Quorum regulation of luminescence in vibrio fischeri serves a native role in microbial quorum sensing and responds to quorum signaling molecule.

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Blank 1: Cell membrane

Blank 2: Homeostasis

Explanation: The cell membrane controls what comes in and comes out. For example, the cell membrane will keep harmful organelles out, and helpful cells in. The cell membrane acts like a security officer, meaning it keeps out harmful organelles and keeps in organelles that is supposed to go in it. Homeostasis is the balance within the cell or the body. The cell is responsible to keep a constant environment internal environment.

The main of the cell membrane is to regulate what enters and exits the cell. Cell membranes maintain homeostasis when they accomplish their function properly.

It is the boundary between the interior of a cell and its exterior environment. It is a selectively permeable membrane.

It is the maintenance of fixed chemical and physical conditions in the living organism.

The cell membrane regulates what enters and leaves the cell and hence maintains a constant environment.

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1. Time taken by Gary and Diane to complete the garden if they divide the soil preparation equally and the planting equally is 32 hours.

2. Time taken by the two to complete the garden if they use comparative advantage and specialize in soil preparation or planting is 34 hours.

1. To calculate the time taken by Gary and Diane to complete the garden, let's write the time taken by Gary to prepare the soil to be x hours. So, the time taken by Diane to prepare the soil will also be x hours. As given, Diane can plant 100 flowers in 12 hours. Thus, Diane can plant 25 flowers in 3 hours. Therefore, the time is taken by Diane to plant 100 flowers

= (100/25) × 3 = 12 hours.

Now, the time taken by Gary to plant 100 flowers will also be 12 hours. Therefore,

total time taken by both Gary and Diane to complete the garden = Time taken for soil preparation + Time taken for planting

= 2x + 12 hours = (2 × 10) + 12

= 32 hours

2.  To calculate the time taken by the two to complete the garden if they use comparative advantage and specialize in soil preparation or planting, we know that Diane can prepare the soil in 10 hours while Gary can prepare the soil in 20 hours. Therefore, Diane should prepare the soil. Now, the time is taken by Diane to prepare the soil = 10 hours. Diane can plant 100 flowers in 12 hours while Gary can plant 100 flowers in 24 hours. Therefore, Gary should plant the flowers.

Now, the time is taken Gary to plant the flowers = 24 hours. Therefore,

total time taken by both Gary and Diane to complete the garden = Time taken for soil preparation + Time taken for planting

= 10 + 24

= 34 hours

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Answer:

Check all possible effects of this selective pressure.

✓ Flock X may try to eat other foods.

✓ Flock X could migrate in search of fruit.

✓ Flock X could slowly decrease in number.

✓ Flocks Y and Z could benefit and increase.

✕ Flock X could try to mutate.

Explanation: Got 100% on warm-up on edge. good luck :)

Answer:

A, B, C, D

Explanation: Big Brain

Answer:

all of the above?

Explanation:

I don't actually know

Answer:

Explanation:

a solid fossil fuel formed from ancient plant material, coal is, by far, the most abundant and coal fossil fuel in use today. thus the answer is coal.

coal is the most abundant fossil fuel on the planet and is used for as a source of energy generation and industrial processes.

coal is the most widely use source but it has several impacts such as environmental impact, air pollution, greenhouse gas. climate change etc. people need to use this energy in a manner so that it can be available to upcoming generation so that they can also use this energy.

An observer on the moon would only see the sun partially covered

Answer:

Transverve and Longitudal

Answer: water and energy

Explanation: A wave is a complex mix of water and energy. Anyone who has watched breakers roll into the shore, or been seasick on a boat,

The major changes that have occurred during Earth's history, such as the origin of new species, evolutionary trends, adaptive radiations, and mass extinctions, are collectively referred to as the evolutionary history of life on Earth.

Evolutionary history is the story of how different organisms evolved over time, leading to the current diversity of life on our planet. The Earth's history is divided into different geological periods, and each period is characterized by unique evolutionary events.

There have been many major changes throughout Earth's history, and some of the most significant include the Cambrian explosion, the emergence of vertebrates, the development of flowering plants, and the extinction of the dinosaurs.

These events have shaped the evolution of life on our planet and continue to influence it to this day.In conclusion, the evolutionary history of life on Earth refers to the major changes that have occurred throughout our planet's history, including the origin of new species, evolutionary trends, adaptive radiations, and mass extinctions. Understanding this history is crucial to gaining insight into the diversity of life on our planet and the processes that have shaped it.

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The genes which are highly conserved in all the strains include 16S and 23S Ribosomal RNAs.

There are four distinct types of DNA nucleotides because there are four naturally occurring nitrogenous bases: adenine (A), thymine (T), guanine (G), and cytosine (C).

Incredible fidelity is displayed in DNA expression. For instance, the gene and protein for cytochrome c (cyt c) are highly conserved, indicating that cyt c hasn't changed much over the course of evolution.

It is simple to identify highly conserved regions by employing a colour scheme that tints each nucleotide in a different colour. One or two single nucleotide polymorphisms or the so-called wobble bases, the third base of each three-nucleotide codon, are frequently the only genetic differences between species (SNPs)

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Answer:

we know that the molecules in a solid are very close together and don't have much room to move

Explanation:

common knowledge really. how exactly do you not know this..?

either way, I'm a kind person so here's a Jay Jay pic cuz this answer is fairly short and very, VERY obvious

Answer:

400

Explanation:

Scientists tagged 80 hitch. When they capture 100 hitch, 20 are tagged. In order to estimate the population of hitch, we can assume that this proportion is consistent.

This means for every 20 tagged hitch, there are 80 untagged. We know there are 80 tagged total, so we need to multiply 20 by 4 to get it to 80. To keep the proportion equal we also need to multiply the untagged hitch.

\(\frac{20}{80}\) * \(\frac{4}{4}\) = \(\frac{80}{320}\)

Still following the proportion, we have 80 tagged hitch and 320 untagged hitch. 80 + 320 = 400 hitch total.

Florida's climate influences the weather, wildlife, and even human behavior.

Around 75% of Floridians live on or near the coastline. As a result, many of Florida's business industries revolve around tourism.

The largest industry in Florida, tourism, relies heavily on the preservation of natural areas. In addition, natural wetlands, such as the Everglades, are essential for replenishing Florida's largest freshwater supply, the Florida aquifer.

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Answer:

B

Explanation:

Many species in Archaea actually require extreme temperatures and conditions to grow

The domain that contains organisms that are adapted to live in harsh environments is the domain Archaea. The correct option is B).

Any single-celled prokaryotic organism without a definite nucleus is referred to as an archaea, and they differ from bacteria in a number of important ways at the molecular level.

Archaea have membranes that are formed of branching hydrocarbon chains, many of which also contain rings, connected to glycerol via ether bonds, as opposed to bacteria and eukaryotes.

The microorganisms in the archaea domain are not typical of natural habitats. Instead, they can be found in severe and extreme environments like hot springs, salty environments, acidic conditions, etc.

Therefore, the correct option is B) domain Archaea.

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Several factors influence whether or not a mutation will become a predominant trait within a population. These factors include the type of mutation, its impact on the organism's fitness, the mode of inheritance, population size, and the presence of selection pressures.

The type of mutation plays a crucial role. Beneficial mutations that provide a selective advantage to the organism are more likely to increase in frequency and become predominant. Such mutations may enhance survival, reproduction, or adaptation to the environment. Conversely, deleterious mutations that reduce an organism's fitness are less likely to become predominant and may be eliminated through natural selection.

The mode of inheritance also influences the prevalence of a mutation. If a mutation is dominant and only requires one copy to be expressed, it can spread more rapidly through a population. In contrast, recessive mutations need to be inherited from both parents to be expressed, which can slow down their prevalence.

Population size affects the likelihood of a mutation becoming predominant. In smaller populations, genetic drift, which is the random change in allele frequencies, can have a more significant impact. A mutation may become predominant simply due to chance in a small population, even if it does not provide a substantial advantage.

The presence of selection pressures is crucial. Environmental factors or selective pressures can favor certain traits or mutations over others. If a mutation confers a significant advantage in a specific environment, it is more likely to become predominant through natural selection.

Additionally, the rate of mutation and the presence of other competing mutations in the population can influence the prevalence of a specific mutation. If other beneficial mutations arise or if the mutation rate is high, the prevalence of any single mutation may be limited.

In summary, whether or not a mutation becomes a predominant trait depends on various factors such as its impact on fitness, mode of inheritance, population size, selection pressures, mutation rate, and the presence of competing mutations. Beneficial mutations that enhance fitness, have dominant inheritance, occur in larger populations, and are favored by selection pressures are more likely to become predominant.

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Answer: Batteries, Lead Pencils and Electrical wires

Explanation: Lithium (Li) atomic no.3 is present in batteries. Lead pencils are made of graphite which is a form of carbon(C) atomic no.6. Electrical wires are made up of copper (Cu) atomic no.29

Answer:

plase bear with me i know this is a long answer

Explanation:

The purpose of DNA extraction liquid is to break open cells and dissolve cellular membranes, proteins, and other cellular components in order to release DNA from the cell. This is an essential step in DNA extraction procedures, as DNA is tightly packed within the cell and needs to be isolated and purified for further analysis.

There are many different types of DNA extraction liquids that can be used depending on the type of sample and the downstream application. Commonly used extraction liquids include phenol-chloroform, ethanol, and various commercial kits that utilize a variety of chemical agents and protocols.

The DNA extraction liquid typically contains a combination of reagents that help to disrupt the cell membrane and denature cellular proteins, allowing the DNA to be released and separated from other cellular components. These reagents can include detergents, salts, enzymes, and organic solvents. After the DNA has been released from the cell, it can be further purified using various methods, such as precipitation or column-based purification, depending on the specific application.

In summary, the purpose of DNA extraction liquid is to break open cells and release the DNA for further analysis. It is a critical step in many molecular biology and biotechnology applications, including genetic research, diagnosis of genetic diseases, and forensic analysis.

Hope this helps!!

The correct answer is: C. Carbon offsets
Paying to plant trees because you use carbon in your daily life would be an example of carbon offset. Carbon offsets allow individuals or companies to compensate for their carbon emissions by investing in projects that reduce or remove carbon from the atmosphere, such as reforestation efforts.

By planting trees, carbon is absorbed from the atmosphere through the process of photosynthesis, helping to offset the carbon emissions produced by human activities. This is an example of a strategy that can be used to reduce carbon emissions and move towards a more sustainable future.
When you pay to plant trees because you use carbon in your daily life, you are engaging in carbon offsets. This means that you are attempting to balance out your carbon emissions by supporting projects, such as tree planting, that remove or reduce carbon dioxide from the atmosphere. Planting trees helps to absorb carbon dioxide, which contributes to mitigating the effects of climate change. By investing in carbon offsets, you are taking a step towards reducing your overall carbon footprint and promoting sustainability.

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The possible sources of early organic molecules would be inorganic molecules forming into more complex organic ones using energy from lightning. The correct option is the 2nd option.

The first organic molecules are hypothesized to have been formed from simple inorganic molecules such as water vapor, methane, and ammonia.

Their dissolution to form the 'chemical soup' is said to have led to their formation with reactions within the chemical soup driven largely by lightning and UV rays.

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Answer:

the answer is d

........

Answer:

D) a population of salmon with different skin colors that attract mates

Both deletion and insertion mutations can have the same disease outcome in the case of cystic fibrosis because they both result in a frameshift mutation.

In normal protein synthesis, the DNA code is read in groups of three nucleotides called codons. Each codon codes for a specific amino acid, and the sequence of codons determines the sequence of amino acids in the protein.

However, in a frameshift mutation, the reading frame of the DNA sequence is shifted, either by the deletion of a nucleotide or the insertion of an additional nucleotide. This alteration disrupts the normal grouping of codons, leading to a different sequence of amino acids being encoded.

In the context of cystic fibrosis, the misshapen protein in the cell membrane is caused by the frameshift mutation, which disrupts the normal structure and function of the protein. This misshapen protein interferes with the transport of chloride, leading to the buildup of mucus in the lungs characteristic of the disease.

Both deletion and insertion mutations alter the reading frame of the DNA sequence and result in a frameshift mutation, leading to the same disease outcome in cystic fibrosis. The specific location and size of the deletion or insertion may vary, but the overall consequence is the same: the production of a non-functional or partially functional protein that impairs chloride transport and causes mucus accumulation.

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A cardiac event monitor

Answer:

The coral reef would begin to deteriorate without the variety of fish and plants necessary to maintain balance

Explanation: