Answer:
DNA is made of two linked strands that wind around each other to resemble a twisted ladder — a shape known as a double helix.
Explanation:
using an example for each symbiotic relationship explain how each one shapes biodiversity. I need help please
Answer:
Mutualism: In mutualism, both organisms benefit from the relationship.
Example: The relationship between pollinators and flowers.
Description: Pollinators, such as bees, butterflies and hummingbirds, transfer pollen between flowers to facilitate fertilization. In return, the flowers provide the pollinators with food in the form of nectar. Without pollinators, many plant species would not be able to reproduce, leading to a loss of biodiversity.
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Commensalism: In commensalism, one organism benefits from the relationship while the other is unaffected.
Example: The relationship between barnacles and whales.
Description: Barnacles attach themselves to the skin of whales, using them as a source of transportation and protection. The whales are unaffected by the barnacles, but the barnacles benefit greatly from the relationship. This relationship does not directly shape biodiversity, but it is still an important aspect of the ecosystem.
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Parasitism: In parasitism, one organism benefits from the relationship at the expense of the other.
Example: The relationship between a tick and a host animal, such as a deer or a dog.
Description: The tick feeds on the blood of the host, potentially causing harm or disease. Though it has negative effects on the host, this relationship can affect biodiversity by controlling the population of certain species. If there were an overpopulation of deer, for example, the parasites could help control the population, allowing for a more balanced ecosystem.
juan is fencing in his garden which is the shapenof a right triangle
What molecules are created by the organism during photosynthesis? Where will these products go in your system?
Answer:
carbohydrate molecules
Sequence the statements below to show the steps in the process of disposing of radioactive
waste. Write “1” on the line in front of the first step, “2” on the line in front of the second
step, and so on.
______
5.
Sites are closely monitored.
______
6.
Scientists locate a site that will not be damaged by Earth movements.
______
7.
Radioactive wastes are stored.
______
8.
Disposal facilities are built.
______
9.
Wastes sit for thousands of years.
Read each question and write the answer in the space provided.
Incineration is generally the most expensive form of waste disposal because incinerators require a lot of energy to operate. The only way to make radioactive wastes nonhazardous is t let them sit fo thousands of years until the radioactivity decreases to safe levels. After hazardous waste is incinerated, the leftover ash needs to be buried. This ash is usually buried in a hazardous waste landfill. Engineers and geologists search for disposal sites.
Incineration is generally the most expensive form of waste disposal because incinerators require a lot of energy to operate. In addition, incinerators also require pollution-control devices to ensure that hazardous gases and particles are not released into the air. Radioactive waste is hazardous because it emits ionizing radiation, which can cause damage to living organisms. After hazardous waste is incinerated, the leftover ash needs to be disposed of. This ash contains the non-combustible components of the waste, including heavy metals and other contaminants.
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Definition of replication
What's the correct term for the descriptions
Creates proteins:
Packages proteins:
Moves proteins to the correct regions of the cell:
Fortifies the cell shape:
Mostly made of water:
Microtubule, Cytosol, Golgi Apparatus, Rough Endoplasmic Reticulum, Lysosome, Ribosome
Creates proteins: Ribosome
Packages proteins: Golgi Apparatus
Moves proteins to the correct regions of the cell: Microtubule
Fortifies the cell shape: Cytoskeleton
Mostly made of water: Cytosol
Ribosomes are organelles that are responsible for creating proteins by assembling amino acids based on the information provided by messenger RNA (mRNA). They can be found in both prokaryotic and eukaryotic cells. The Golgi Apparatus is a stacked organelle that modifies, sorts, and packages proteins into vesicles for transport to their final destinations within the cell or for secretion outside the cell.
Microtubules are part of the cytoskeleton, which is a network of protein fibers that provide structural support and shape to the cell. Microtubules are responsible for moving proteins and other cellular components to the correct regions of the cell, and they also play a role in cell division. The cytoskeleton is the network of protein fibers that provide structural support and shape to the cell. It is responsible for fortifying the cell shape and helping the cell maintain its structural integrity.
The cytosol is the liquid portion of the cytoplasm, which is the gel-like substance that fills the cell. It is mostly made of water and contains various dissolved ions, molecules, and proteins that are essential for cellular processes.
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Estimate the amount of peroxidase in one gram of the vegetable that was used as starting material for preparation of the extract.
The amount of peroxidase in one gram of the vegetable can not be without additional information. However, ELISA technique is used for the peroxidase estimation.
Thus, the peroxidase content in a vegetable varies on factors such as the species of the vegetable, the part of the vegetable used for extraction, and extraction method. However, the activity of peroxidase can be affected by various factors, such as temperature, pH, etc. that can complicate the estimation of peroxidase content.
The amount of peroxidase in a vegetable extract can be estimated by enzyme-linked immunosorbent assay (ELISA) technique using a known quantity of purified peroxidase as standard, thereby, providing an estimate of the peroxidase content in the vegetable extract.
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Two organisms with striped fur mate and produce offspring. Three of the offspring have striped fur but one has no stripes. The non-striped coat is probably what type of trait?
The non-striped coat is likely a recessive trait. If both parents have striped fur, it is likely that they are both heterozygous for the striped trait.
That means they each carry one dominant and one recessive allele for this trait. When they mate, there is a 25% chance that their offspring will inherit two copies of the recessive allele, resulting in a non-striped coat. This pattern of inheritance is consistent with a recessive trait.
Dominant traits can express themselves. While recessive traits cannot express themselves in the presence of dominant traits.
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Which type of wave results from a moderately sloping coastal region? (2 points)
Plunging breaker
Spilling breaker
Surging breaker
Tsunami wave
WRONG: spilling breaker
Correct: ??
Answer: Plunging Breaker
Explanation: When I looked it also said spilling breaker for me, but I'm pretty sure if spilling breaker is wrong then it's a plunging breaker, according to what I read when I looked it up. Hope this helps!
A medical specialist claims that their practice dates back to a specialty that was established in the roman empire. If they're not an ophthalmologist, what is an example of equipment they likely used in their specialty?
A. microscope and petri dish
B. x-ray machine
C. urinary catheter
D. ultrasound machine
Why are some snakes, lizards, and frogs so often found living in swamps?
A. Snakes, lizards, and frogs do not need to drink water to live.
B.
Snakes, lizards, and frogs can only live in deep water.
C. Snakes, lizards, and frogs can live in water or wet soil.
D. Snakes, lizards, and frogs can only live in very cold places.
The right response is C. Frogs, snakes, and lizards may all survive in water or moist soil. Swamps provide the damp atmosphere that is necessary for snakes, lizards, and frogs to exist, making them great habitats for these creatures.
Swamps have water or moist soil, which enables these creatures to remain hydrated and comfortable. Given that swamps are home to a variety of microscopic aquatic species, the water also serves as a source of food.
Swamps also provide these creatures with a variety of hiding spots in the habitat including plants and rocks, giving them a secure area to hide from predators. Swamps are a perfect place for frogs, lizards, and snakes because of all these qualities.
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The scientists are designing an experiment to study the small, hairlike organelles on the outsides of some cells found in humans. They want to compare the structures of these organelles to cells from other multicellular organisms, such as plants. These organelles can have features with sizes as small as 50 to 100 nanometers (nm).
Use Figure 2 to describe which type of microscope the scientists should use to study the features of the hairlike organelles. Explain one possible function for these organelles based on where the organelles are located in the cell model in Figure 1.
The hair-like organelles which are as small as 50 nm to 100 nm in size, are called cilia and we need an electron microscope to view them.
An electron microscope gives higher resolution and magnification of the image as compared to light microscopes. An electron microscope uses a beam of electrons instead of light to illuminate the specimen.
The small hair-like structures present on the outside of a cell are called cilia. They are present on the entire surface and they extend along the plasma membrane. Cilia are used for the movement of substances along the cells.
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8. Fill in the missing nitrogen base pairs correctly: (18pts)
A
T
G
G
T
T
с
A
T
C
T
UOMI
T
A
с
T
C
C
T
Fill in the missing nitrogen base pairs correctly:
A-T
G-C
A-T
G-C
A-T
G-C
C-G
T-A
The distinctive pairing of nitrogenous bases which make up the constituent parts of DNA and RNA are referred to as nitrogen base pairs. Adenine (A), guanine (G), cytosine (C), and thymine (T) are the four nitrogenous bases that can be found in DNA. Uracil (U) takes the role of thymine in RNA.
A and T and G and C combine to form base pairs in DNA, which are joined by hydrogen bonds. Base pairs in RNA are created between A and U and G and C. The genetic code that specifies an organism's features is determined by the precise arrangement of these base pairs along the DNA molecule.
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Why would a scientist expect to see plant life sooner in an area that was recently
burned by a fire than in an area recently exposed by a retreating glacier?
Because the soil in a burned area is typically more fertile than the soil in a recently exposed glacial area, a scientist would anticipate seeing plant life in an area that was recently burned by a fire sooner.
The nutrients that were once trapped in dead plant matter can be released when a fire passes through a region, making them accessible for new plant development. A fire's tremendous heat can also make the soil more porous, which promotes better root development and water infiltration.
On the other hand, when a glacier recedes, it leaves behind bare rock and mineral soil that hasn't been weathered or fertilized by plant matter. These places frequently have relatively depleted soil in terms of nutrients and may even be compacted, which makes it challenging for plants to take root. Furthermore, the short growing seasons and extreme cold that can be found in glacial regions can hinder plant growth.
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Which outcome is the main function of the light-independent reactions of photosynthesis?
Oto produce oxygen
Oto use up water
Oto use up excess carbon dioxide
Oto produce glucose
Photosynthesis occurs in two stages, light-dependent and light-independent reactions. This last one is the Calvin cycle, and its main function is to produce sugars. D. to produce glucose.
What are the light-independent reactions of photosynthesis?Photosynthesis involves two stages: light-dependent and light-independent reactions.
Light-independent reaction is known as the Calvin cycle, and it takes place in the stroma.
During the Calvin cycle, sugars or carbohydrates are synthesized.
When carbón dioxide, CO₂, enters the leaves through stomas, it diffuses to the chloroplast stroma. Carbon atoms fixate, meaning that they incorporate into organic molecules. These molecules are used to produce 3-C sugars.
The whole process is impulsed by ATP and NADPH coming from light-dependent reactions.
The alternation of the processes of light-dependent and light-independent reactions help the cell conserve energy and matter.
Plants takes solar energy and produce ATP and NADPH. When there is no available solar energy, the plant uses these molecules to produce carbohydrates.
The correct option is D. to produce glucose
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When a stone is dropped into water, it disturbes the surface of the water, this is called
When a stone is dropped into water, it disturbs the surface of the water, and this is called "ripples" or "waves".
The disturbance caused by the stone creates waves that travel away from the point where the stone entered the water. These waves can be seen as ripples spreading outwards from the point of impact. The size and shape of the ripples depend on various factors, such as the size and weight of the stone and the depth and temperature of the water.
As the waves move away from the point of impact, they carry energy with them. This energy is transferred to the water molecules as the waves pass by, causing them to move up and down. The movement of the water molecules creates a wave pattern that can be seen on the surface of the water.
The ripple effect caused by a stone dropped into water is a simple example of how energy is transferred through a medium. It is also a common visual metaphor used to describe the way in which small actions can have large and far-reaching consequences, as the ripples caused by the stone continue to spread outwards in all directions, affecting everything in their path.
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Who phrase best describes the main goal of using sustainable practices?
Answer:
Explanation:
The phrase "meet the needs of the present without compromising the ability of future generations to meet their own needs" best describes the main goal of using sustainable practices.
Answer:
I need more information on what type of sustainable practices you're referring to. Here are some of the goals of sustainable practices:
* **Protect the environment:** Sustainable practices help to protect the environment by reducing pollution, conserving resources, and preventing habitat destruction.
* **Improve human health:** Sustainable practices can improve human health by reducing exposure to toxins, improving air and water quality, and providing access to healthy food.
* **Create jobs:** Sustainable practices can create jobs in a variety of sectors, including renewable energy, green building, and sustainable agriculture.
* **Boost the economy:** Sustainable practices can boost the economy by creating new markets for green products and services, and by reducing costs associated with pollution and environmental damage.
Explanation:
Explain where most of your food originally came from and how your cells obtain and use that food.
Most of the food we eat comes from plants, either directly or indirectly. Plants are able to use energy from the sun to convert carbon dioxide and water into glucose, which can be used as food by both plants and animals. Humans obtain their food by consuming plants, such as fruits, vegetables, grains, and nuts, or by consuming other animals that have eaten plants.
Once we eat food, our digestive system breaks it down into nutrients, such as carbohydrates, proteins, and fats, which are then absorbed into the bloodstream. These nutrients are transported to cells throughout the body, where they are used for energy, growth, and repair.
The cells in our body use a process called cellular respiration to convert glucose and other nutrients into ATP (adenosine triphosphate), which is the primary source of energy for cellular processes. During cellular respiration, glucose is broken down into carbon dioxide and water, and energy is released.
For example, proteins obtained from food are used to build and repair muscles, while vitamins and minerals obtained from food are necessary for various physiological processes, such as blood clotting, immune system function, and bone health.
Overall, the food we eat provides the necessary nutrients and energy for our cells to carry out their functions and keep our bodies functioning properly.
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A certain type of non-native fungus has affected crops on Tim’s farm. Tim has decided to use a chemical control method to eradicate the invasive species. He applied a pesticide to the outer layer of the stems of his crops. Which chemical control method did Tim use?
Tim used a chemical control method known as pesticide application.
Pesticide application involves the use of chemicals to control or eradicate pests, such as insects, fungi, and weeds. In Tim's case, he applied a pesticide to the outer layer of his crop stems to control the non-native fungus that had affected his crops. Pesticides can be applied in various forms, such as sprays, dust, and granules.
The type of pesticide used depends on the target pest and the crop being protected. While chemical control methods such as pesticide application can be effective, they also have potential drawbacks, such as the development of pesticide resistance in the targeted pest populations and the risk of harming non-target organisms and the environment.
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Number 19-24
Number The Steps Of Succession Below In The Order In Which They Occur.
According to the steps in which primary succession occurs, the correct orderos events is 22, 24, 21, 19, 23, 20.
What are the steps of primary succession?
Primary succession refers to changes that occur in an open space with no living organisms, such as a bare rock exposed due to a retreating glacier, volcanic activity, or an intense fire. If previous species were inhabiting this area, after the event, nothing is left.
In those cases where there is an alteration or disturbance at a site that opens the area, it allows new species to grow. With time, new species arrive and manage to establish themselves again. The order of the establishment depends on the strategies of each of the species to survive.
First, pioneer species arrive. These are the first inhabitants, mostly lichens or plants with the capability of surviving in such an environment. Only a few pioneers can establish themselves in the open space. Pioneers modify the habitat. They make it more suitable for the establishment of later species, converting rock into fertile soil.
As conditions get better, new species arrive like grasses. Grasses and pioneers keep modifying the soil, making it better with time. New species arrive. Habitat modification keeps on going while new species establish.
Herb species and srubs grow in these areas. Finally, trees appear. They produce shadows, alter the temperature, and humidity, fertilize the soil, competing for resources. Competition becomes more frequent between species.
The first species are eventually eliminated by competition, but new species keep appearing and competing for resources. This sequence continues until the commuting reaches a climax, becoming stable and lasting for hundreds of years until another disturbance occurs.
1) 22- A plot of farmland is abandoned.
2) 24- Pioneer species, such as dandelion, take root in the soil.
3) 21- Grasses and bushes appear.
4) 19- Shade from grasses and shrubs provide protection for tree saplings.
5) 23- Tree saplings grow and increase the amount of shade in the area.
6) 20- Pioneer species and other small plants are unable to grow in the shade and die.
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8. [-/6 Points]
DETAILS
MY NOTES
ASK YOUR TEACHER
PRACTICE ANOTHER
People with diabetes must monitor and control their blood glucose level. The goal is to maintain "fasting plasma glucose
between about 90 and 130 milligrams per deciliter (mg/dL). Here are the unarrayed fasting plasma glucose levels for 18
diabetics enrolled in a diabetes control class, five months after the end of the class:
279 321 192 322 203 93
154 136 215
328 96 304 354 123 288 147 284 323
Find the 5 number summary for this data. Note that this is a single data set with 18 numbers even though it is displayed
in two rows.
The number summary are:
Minimum = 93Q1 = 150.5Median (Q2) = 281.5Q3 = 321.5Maximum = 354How to get the summaryOrdering the data set from smallest to largest:
93, 96, 123, 136, 147, 154, 192, 203, 215, 279, 284, 288, 304, 321, 322, 323, 328, 354
Find (Q2) = (279 + 284)/2 = 281.5
Find (Q1) = (147 + 154)/2 = 150.5
Next we have to solve for Q3) = (321 + 322)/2 = 321.5
Therefore, the five number summary for this data set is:
Minimum = 93
Q1 = 150.5
Median (Q2) = 281.5
Q3 = 321.5
Maximum = 354
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What molecules does the organism need for photosynthesis? Where will these molecules come from in your system?
The process by which plants and other living things use light energy to convert carbon dioxide and water into sugars and oxygen is known as photosynthesis.
The organism needs a number of chemicals, including chlorophyll, water, carbon dioxide, and light, to carry out this activity. The pigment chlorophyll, which is present in the chloroplasts of plant cells, is what gives plants their distinctive green colour.
The roots of the plant absorb hydrogen atoms mostly from water. The primary source of carbon atoms is carbon dioxide, which is absorbed by leaves. Finally, the energy necessary to change the other molecules into sugars and oxygen comes from light. These molecules will enter the system from the outside. There is already chlorophyll in the plants.
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BROO I NEED HELP NOW THIS A BIG PART OF MY GRADE AND HAVE LIKE 15 minutes left HELPP A GIRL OUT
It was the winter of 1776, and the American Revolution was at a crossroads. George Washington's army had suffered a string of defeats, and morale was low.
Many soldiers were deserting, and it seemed like the rebellion might falter before it had a chance to gain momentum.
But there was one man who refused to give up. His name was Thomas Paine, and he was a writer and pamphleteer who had been instrumental in galvanizing support for the revolutionary cause. Paine had been with Washington's army since the beginning of the war, and he was determined to do whatever it took to secure American independence.
One night, as Washington and his officers were gathered around a campfire, Paine approached them with an idea. He proposed that they stage a surprise attack on the British army, which was encamped just a few miles away. The plan was risky, but Paine argued that it was their only hope.
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SOMEONE HELP ME PLEASE PLEASE JUST ZOOM UP ON THE PICTURE IT’S DUE TODAY PLEASE I NEED HELP
Answer:
A blue whale is not equipped to lift objects as it is a mammal adapted for living in the ocean. They are the largest animals on Earth and can weigh up to 200 tons, but they have no muscles in their fins to lift objects. They primarily use their fins for swimming and maneuvering in the water
Explanation:
Do a Punnett square for four generations
A Punnett square for four generations is given below.
| A | a
A | AAAA | AAAa
How to explain the Punnet squareThe Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. The diagram is used by biologists to determine the probability of an offspring having a particular genotype
we'll assume that two of the offspring from the third generation (AAa and aaa) mate with each other.
| A | a
A | AAAA | AAAa
a | AAAa | aaaa
Note that Punnett squares can be more complex and involve multiple genes, but this example provides a basic illustration of how the diagram can be used to predict the possible genotypes of offspring over four generations.
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Proteins are created from cell processes. What's the order of occurrence when a protein is being created and excreted from the cell.
Proteins are repackaged and sent to the cell membrane
Proteins are exocytosed
Proteins are made
RNA connects to the ribosome
Proteins are packaged in the Rough ER
DNA is turned into RNA in the Nucleus
RNA moves from the nucleus into the cytoplasm
Proteins are transported to the Golgi aparatus
When a protein is produced and expelled by the cell, these events take place in the following order: Within the nucleus, DNA first undergoes transcription into RNA.
The translation of this RNA into a polypeptide chain occurs when it binds to ribosomes in the cytoplasm. The endoplasmic reticulum (ER), where it is altered and folded into its functional form, receives the polypeptide once it has been carried there.
The Golgi apparatus is where the protein is further processed and packaged into vesicles once it has been created. Once at the cell membrane, these vesicles are exocytosed, releasing the protein into the extracellular space.
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Please help
Nitrogenous bases in DNA pair according to a strict pattern. Who bonds with who?
Select one:
a.
Adenine to Guanine
Guanine to Thymine
b.
Adenine to Cytosine
Guanine to Thymine
c.
Adenine to Thymine
Guanine to Cytosine
Clear my choice
Option c. Adenine to Thymine and Guanine to Cytosine correctly describe the matching between nucleotide bases in DNA.
What is the base pair complementarity in DNA?The base pair complementarity in DNA refers to the interaction of nucleotide bases in the double helix of DNA, which occurs because Adenine or A always pairs with Thymine or T, while Guanine or G always pairs with Cytosine or C.
Therefore, with this data, we can see that the base pair complementarity in DNA is A with T and C with G.
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Someone please help me
Which of these could be a depletable energy resource 
A.forests
B.tidal energy
C.solar
Answer:
Well see I dont know this one but I can ask my parenents and hel you
Explanation:
Ima i in fourth grade i can we part to you later
Which of the following describes a change in a biotic factor that will be a disadvantage for a certain species of fish living around coral reefs in shallow seas?
A decrease in the number of small invertebrates that serve as prey for the fish would be a disadvantage for the certain species of fish living around coral reefs in shallow seas.
Option (D) is correct.
Biotic factors are living factors that affect an organism's ability to survive in an ecosystem. In this scenario, we are looking for a change in a biotic factor that will be a disadvantage for a certain species of fish living around coral reefs in shallow seas.
Option A states an increase in the availability of food for the fish, which would be an advantage rather than a disadvantage for the fish. Option B states a decrease in the number of predators that prey on the fish, which would also be an advantage rather than a disadvantage for the fish. Option C states an increase in the number of fish of the same species, which could lead to competition for resources, but may not necessarily be a disadvantage.
Option D, on the other hand, describes a decrease in the number of small invertebrates that serve as prey for the fish. This would be a disadvantage for the fish as they rely on these small invertebrates as a source of food. A decrease in the number of prey would lead to a decrease in the fish population as well, as they struggle to find enough food to survive.
Therefore, the correct answer is D) A decrease in the number of small invertebrates that serve as prey for the fish.
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The question is incomplete. the complete question is:
Which of the following describes a change in a biotic factor that will be a disadvantage for a certain species of fish living around coral reefs in shallow seas?
A) An increase in the availability of food for the fish
B) A decrease in the number of predators that prey on the fish
C) An increase in the number of fish of the same species
D) A decrease in the number of small invertebrates that serve as prey for the fish