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Question 6 of 10
In a research study, if one variable is changed to see how it affects behavior,
the study is most likely a(n):
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Answer:Chemical
Explanation:
Physical is when its the same still the same substance only just changed shape, while chemical change is when a chemical reaction happenes and changes the substances so the varible changes too
example rust
Why is organic fertilizer is better than inorganic fertilizer? Pls pls pls answer I really need it
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Answer:
organic fertilizer can cause less harm to the plant & environment as it isn't toxic (completely natural) as opposing to fertilizers, which is filled with toxic chemicals.
What organism are tertiary (3rd level) consumers
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Answer:
Third-level consumers are any organisms big enough to obtain energy by feeding off lower-level consumers. These are also called tertiary consumers. For example, in a forest ecosystem, snakes eat toads. Heron and large fish, such as bass and walleye, consume smaller fish, frogs and crayfish.
Explanation:
Answer:
The larger fishes like tuna, barracuda, jellyfish, dolphins, seals, sea lions, turtles, sharks, and whales are tertiary consumers Explanation: They feed on the primary producers like phytoplankton and zooplankton, as well as secondary consumers like fish, jellyfish, as well as crustaceans.
The enzyme found in stem cells and cancer cells that allows these cells to never enter replicative senescence is:
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Answer:
Telomerase is found in high levels in germline cells (egg and sperm) and stem cells. In these cells telomere length is maintained after DNA replication and the cells do not show signs of ageing.
Define: Heterogeneous Distribution, Modularity and Nestedness.
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Explanation:
Nestedness is another computational approach that provides a description of groups of webs..
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Answer:
Heterogeneous Distribution, ModularityHeterogeneity in statistics means that your populations, samples or results are different. It is the opposite of homogeneity, which means that the population/data/results are the same. ... For example, if everyone in your group varied between 4'3″ and 7'6″ tall, they would be heterogeneous for height.Explanation:
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Answer:
What is this ???
Explanation:
Oceans are being threatened daily by human activities which of the following best describes one way oceans are being impacted?
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In the diagram of the human digestive system, what organ is labelled 5?
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Answer:
The large intestine
Explanation:
The large intestine is a long, tube-like organ connected to both the small intestine and the anus. In an anatomy drawing, it looks almost as if it is wrapped around the small intestine.
As we can see in the drawing, the organ labelled with 5 is wrapped around another organ which is smaller and looks longer. This smaller organ is the small intestine. Since we know that the large intestine wraps around the small intestine, we can infer that the organ is the large intestine.
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the two copies of a duplicated chromosome are called
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Answer:
Because each chromosome was duplicated during S phase, it now consists of two identical copies called sister chromatids that are attached at a common center point called the centromere.
Explanation:
Many scientists consider genetic engineering to be simply an efficient method of selective breeding. Is it?
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4 Spheres Observation (Bio, Geo, Atmo, Hydro) : What did you see that represents each? How did they interact with each other? and pls be specific in ur answer, and pls no links!
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Answer:
The spheres interact to effect Earth’s systems and processes, and they are constantly changing each other.
For example, ocean currents (hydrosphere) affect air temperature (atmosphere): The Gulf Stream is a powerful water current in the Atlantic Ocean. It’s warm water moderates the temperatures on the east coast of the USA.
Another example of how the spheres affect each other is through erosion. Erosion happens in the desert when wind (atmosphere) shapes the sand in the geosphere. Water (hydrosphere) can also shape land, such as in the formation of the Grand Canyon.
Humans have a huge impact on all spheres. Negative impacts, such as burning fossil fuels, pollute the atmosphere. Piling up our waste in landfills affects the geosphere. Pumping waste into the oceans harms the hydrosphere. And overfishing and habitat destruction can reduce the diversity of living things in the biosphere.
However, people everywhere are working to change things. Recycling efforts are increasing all over the world, and companies are finding new ways to reduce fossil fuels. In the US alone, people are recycling six times more than a generation ago.
. B.9(C) For an enzyme to be able to catalyze a reaction, the active site must---- *
1 point
be occupied by an inhibitor
increase the activation energy level
have a complementary shape to the substrate
cause the enzyme to be destroyed in the reaction
go keilani
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A protein that speeds up a biological and chemical reaction to build and split any molecule is called an enzyme. They are produced naturally in the body.
The correct answer is:
Option C. have a complementary shape to the substrate.
This can be explained as:
If the active site on the enzyme is occupied by an inhibitor then the substrate will not be able to bind and the reaction will not occur.Activation energy is the minimum amount of energy needed for the reaction.If the enzyme is destroyed then no reaction will occur as the active site is present on the enzyme surfaces.Therefore, the active site should have a complementary shape to the substrate.
To learn more about enzymes and active sites follow the link:
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Answer:
have a complementary shape to the substrate
Explanation:
How do thick and fleshy leaves of Aloe vera help in adaptation
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Answer:
Help in storage of water
Explanation:
It stores a lot of water in it to avoid it from drying up
In the example, no RNA is made during the process. What would need to occur for lacZ to be expressed in mRNA?
Binding the RNA polymerase to the promoter sequence
Transcribing the regulatory gene
Translating the lacl sequence into protein
Unbinding the active repressor from the operator
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Answer:
Binding the rna polymerase to the promoter sequence
what is one advantage of using a hydroelectric plant?
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Answer: Renewable. Hydropower is completely renewable, which means it will never run out unless the water stops flowing. ...
Emission Free. The creation of hydroelectricity does not release emissions into the atmosphere. ...
Reliable. ...
Adjustable. ...
Create Lakes. ...
Faster Developed Land.
Explanation:
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Sexual reproduction involves two parents.
True or False
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Answer:
True
Explanation:
Answer:
true
Explanation:
cause....... just answer it
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Answers
Answer:
The answer is C, from hydrosphere to atmosphere
Answer:
C
Explanation:
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suggest what caused this increase of species of mayfly
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Answer:
Mayflies are often seen as a sign of healthy water ecosystems because they are very sensitive to pollutants., Because mayflies are an indicator of water quality. Mayflies are highly sensitive to algal blooms, increased nutrient concentrations, and pesticides.
Though non-limonuse, the planet and satellite shine as they reflect ligh from star and sun. But they have different brightness .Give two reasons.
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Answer:
The earth has an atmosphere: satellites don't. Plus, the planet and satellites are made up of completely different things, which can affect the emission spectra of light.
Explanation:
Lichens are not single organisms, but algae and fungi that function together. The algae use photosynthesis to make food for both organisms. The fungi produce digestive chemicals and absorb nutrients for both organisms.
How does the biological activity of lichens cause weathering in rocks?
Answer options with 4 options
A.
Lichens cause friction as they grow, which weathers the rocks.
B.
Lichens produce chemicals, which dissolve and weather the rocks.
C.
Lichens take in water, which freezes in cracks and weathers the rocks.
D.
Lichens absorb heat during photosynthesis, which weathers the rocks.
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Answer:
The correct answer is B
Lichens produce chemicals which dissolve and weather rocks
True or False: Tetanus can make breathing difficult.
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Answer:
True is correct on edg
Explanation:
two glass tubes are placed in water one of them has very concentrated sucrose solution while the other has a concentrated sucrose solution after an hour what will happen to the liquid levels in the glass
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Answer:
The liquid levels in the solution will become more dilute (have more water) due to Osmosis.
Explanation:
This is because Osmosis moves down a concentration gradient so the water outside the solution will become more concentrated and the solution will become more dilute.
What is the phase shown below?
Prophase
Metaphase
Telophase
Anaphase
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Answer:
Telophase
Explanation:
The active ingredient in which of the following drugs mimics a natural neurotransmitter?
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Answer:
b. marijuana is correct
Explanation:
Yeast
Makes photosynthesis under light.
Makes alcoholic fermentation reactions.
Only makes anaerobic respiration reactions
Releases oxygen in the fermentation process.
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Answer:
your answer is D
Answer:
the answer must be D: Releases oxygen in the fermentation process.
Explanation:
which organelle could be used to distinguish between a plant cell and an animal cell?
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Answer:
Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
How is Wallace's view scientific
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Human cells have _____ sets of DNA in each cell.
A) 2
B) 4
C) 1
D) 8
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Answer:
See answer below.
Answer is verified.
Explanation:
Human cells have two sets of DNA in each cell.
And a total of 46 chromosomes in each cell.
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Human cells have two sets of DNA in each cell. Thus, the correct option is A.
What is DNA?DNA stands for Deoxyribonucleic acid. It is considered the genetic material of most organisms. It consists of base pairs like adenine, thymine, guanine, and cytosine.
Human cells have two sets of DNA in each cell, one came from the paternal side while the other came from the maternal side.
Therefore, it is well described above.
To learn more about DNA, refer to the link:
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Which layer in the blood vessel is composed of smooth muscle, allowing it to dilate or constrict?
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Answer:
b. Tunica media
Explanation: is correct/post protected
The size of a food Web is límited by the Number of
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Answer:
The amount of carbon and energy entering it.
Explanation:
The food chain is limited because " only 10% of the energy from producers get transferred to the level of primary consumer"
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