Answer:
En su texto for the blank
Why did it take 300 years for another important discovery about space to take place?
Answer:
Depends largely on the context. Generally speaking, it took 300 years or more for another important discovery about space to take place due to a combination of technological limitations, changing social and political dynamics, and limited funding for scientific research.
Val lives along the dry southwestern coast of the United States. What change would be most likely near her home if the wind started to blow from the Pacific ocean toward the land?
If the wind started to blow from the Pacific ocean toward the land in the dry southwestern coast of the United States, Val would most likely experience an increase in humidity and a decrease in temperature.
The air over the Pacific Ocean is cooler and more humid compared to the dry air over the land, so when the wind blows inland, it brings the cooler, moist air with it.
This can lead to a few different changes in Val's local environment. First, the increased humidity can make the air feel more comfortable and less dry.
This can be a relief for people who live in the area and may be used to dry, arid conditions. Second, the decrease in temperature can also be a welcome change, especially if Val lives in an area that regularly experiences hot weather.
However, the increase in humidity can also lead to other changes, such as increased cloud cover, fog, and even precipitation. This can have both positive and negative effects on the local ecosystem, depending on the specific conditions and the plants and animals that live in the area.
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4. Which of these is a major cause of extinction?
A. biodiversity
B. loss of habitat
C. the greenhouse effect
D. use of plants for medicine
Answer:
The answer would be B, loss of habitat.
Explanation:
The major causes of extinction are:
Loss of habitat
Climate change
Catastrophic events
Disease
Predators
Competition
Lack of genetic diversity
Pollution
describe the function of the cell wall.
Answer:
The cell wall is a rigid, protective layer that surrounds the cell membrane of plant, fungal, and bacterial cells. The primary function of the cell wall is to provide structural support and protection to the cell. It helps to maintain the shape of the cell and provides resistance against mechanical stress and osmotic pressure.
In addition to its structural role, the cell wall also plays a role in regulating the movement of substances into and out of the cell. It controls the diffusion of molecules, nutrients, and waste products, and prevents the entry of harmful substances.
The composition of the cell wall varies depending on the type of organism. In plants, the cell wall is primarily composed of cellulose, hemicellulose, and lignin, while in bacteria, it is composed of peptidoglycan. Fungal cell walls are composed of chitin, glucans, and other polysaccharides.
When are feedback loops used in any system? question 1 options: when the system needs more of something. when the system needs an enhanced outcome. when a stimulus causes the system to move out of balance. only in emergency situations.
Feedback loops are used in any system: when a stimulus causes the system to move out of balance.
Feedback loops are designed to help a system maintain equilibrium or balance by adjusting the system's inputs or outputs.
There are two types of feedback loops, positive and negative. A positive feedback loop amplifies the system's response to a stimulus, while a negative feedback loop dampens or reduces the system's response to a stimulus.
Feedback loops are essential for maintaining the stability and performance of a system in a wide range of fields, from biology to engineering.
Feedback loops are used to address a variety of challenges, such as maintaining a constant temperature in a building, regulating glucose levels in the body, or controlling the speed of a motor.
In each case, feedback loops are used to monitor the system's output and adjust the input to ensure that the output stays within a certain range.
Feedback loops can also be used to improve a system's performance by continuously adjusting the input based on the system's output.
Overall, feedback loops are a fundamental concept in systems theory and play a crucial role in ensuring that a system remains balanced and achieves its desired outcomes.
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4) When blood sugar is low A) the liver creates insulin. B) glycogen is broken down in the pituitary gland. C) the pancreas secretes glucagon to trigger the liver to release stored glucose. D) the pancreas secretes glucose to increase sugar levels and restore homeostasis
When blood sugar is low the pancreas secretes glucagon to trigger the liver to release stored glucose. The correct answer is C)
When blood sugar levels drop, the pancreas secretes the hormone glucagon which triggers the liver to break down stored glycogen into glucose and release it into the bloodstream.
This process is known as glycogenolysis and helps to restore blood sugar levels to their normal range, maintaining homeostasis. Insulin, which is produced by the pancreas in response to high blood sugar levels, has the opposite effect and stimulates the uptake of glucose into cells for energy or storage.
The regulation of blood sugar levels is a critical process for the body as glucose is the primary energy source for most cells and too little or too much glucose in the bloodstream can have negative health effects. Hence, C) is the correct option.
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Order these events that occur during secondary succession correctly from 1-5.
The correct order of the secondary succesion in the forest is:
An oak-hickory forest is cut down and cleared for farming.The farm is abandoned.Crabgrass thrives in the hot, dry environment of the bare field and adds nutrients to the soil.Small shrubs invade the field, shading the soil and allowing pine seedlings to survive.Hardwood trees replace the pines and succession is complete.What is secondary succession?Secondary succession is the process of ecological succession that occurs after a disturbance or disruption of an existing ecosystem. It involves the gradual establishment and development of a new ecosystem in an area that was previously occupied by a different community of organisms.
Unlike primary succession, which occurs in areas where there was previously no ecosystem, secondary succession occurs in areas where an ecosystem has been disturbed or destroyed, but the soil and some plant and animal species remain. Examples of disturbances that can lead to secondary succession include wildfires, clear-cutting of forests, and abandoned agricultural fields.
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If Shuri, King T'Challa's sister, had an environmental job in the real world, what job do you think she would have? Describe the job and defend your answer
If Shuri, King T'Challa's sister, had an environmental job in the real world, she would likely be a renewable energy engineer.
This job involves researching, designing, and developing renewable energy sources such as solar, wind, and geothermal energy. This job is ideal for Shuri because she is technologically savvy, and would be able to apply her knowledge to the development of renewable energy sources.
Additionally, Shuri is a strong advocate for protecting the environment, and this job would allow her to have a direct impact on the environment. Shuri would be responsible for ensuring that renewable energy sources are developed in an efficient and sustainable way.
She could also work to ensure that any potential negative impacts on the environment are minimized. Working as a renewable energy engineer would allow Shuri to combine her love of technology and her passion for protecting the environment.
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A. the phylum porifera
1. how does it feel to touch encrusting sponge growing under the rock picked up from
the shore ?
It feel to touch encrusting sponge growing under the rock picked up from the shore, Initially, a stinging or burning, pain, blisters, joint swelling, and severe itching may develop. Porifera is a phylum of animals commonly known as sponges, and they are typically found in marine environments.
Sponges are multicellular organisms that lack true tissues or organs, and instead have specialized cells that perform different functions.
In terms of their distribution along the shore, sponges can be found in a variety of habitats including intertidal zones, shallow rocky areas, and coral reefs. They attach themselves to hard substrates like rocks or coral, and can be found at different depths depending on the species.
Sponges are filter feeders, meaning they obtain their food by filtering water through their bodies and extracting nutrients. They play an important role in marine ecosystems by removing bacteria and small particles from the water, and providing habitat for other organisms.
Overall, while sponges may not be the most glamorous or well-known animals in the ocean, they are a crucial part of marine ecosystems and play an important role in maintaining the health and balance of coastal environments.
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list the type of flowers
Answer:
I'm going to give you the most rarest because there are too many types.
Jade vine.
Rafflesia flower.
Ghost orchid.
Titan arum.
Franklin tree flower.
Lady's slipper orchid.
Vulcan's trumpet.
Gibraltar campion.
Explanation:
There are 400,000 types of flowering plant species around the world. Some are much more common than others, and some grow only in certain climates. Some types of flowers are most commonly planted in gardens, while others are popular additions to gorgeous flower bouquets.
Hope this helps :)
Pls brainliest...
can you think of a co-called fruit that is botanically speaking, not a fruit at all?
Answer:
cucumber or tomato may be
If the gene encoding the enzyme rubisco is mutated such that it is nonfunctional, the process that would be affected is the ability to select one or more: a. fix carbon. b. make atp. c. harvest photons. d. make o2.
If the gene encoding the enzyme rubisco is mutated such that it is nonfunctional, the process of fixing carbon dioxide would be affected.
Here, correct option is A.
Rubisco is the enzyme responsible for catalyzing the first step of the Calvin cycle, which is the major pathway of carbon dioxide fixation in plants. Without the enzyme, plants would not be able to convert the carbon dioxide they take in through photosynthesis into organic molecules.
This means they would be unable to produce energy-rich molecules like ATP, which are essential to their growth and survival. Furthermore, without the ability to fix carbon, plants would not be able to take in the energy from sunlight, or harvest photons, and use it to make oxygen, which is essential to all life on Earth.
Therefore, correct option is A.
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The ____________ zone is the slope area closest to the edge of water.
The littoral zone is the slope area closest to the edge of water.
This zone is the most dynamic and diverse part of the aquatic environment, often characterized by the presence of both aquatic and terrestrial species. The littoral zone typically extends from the shoreline to the edge of the continental shelf, meaning that it is the shallowest part of the aquatic environment.
The littoral zone is important to the overall functioning of aquatic ecosystems, as it is where many of the primary productivity processes occur and where organic matter is first introduced into the aquatic environment. It also provides habitat for a variety of species, including fish, amphibians, birds, and reptiles.
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Photovoltaic cells are used in which renewable energy type
Photovoltaic cells, also known as solar cells, are used in solar energy systems.
They are a type of renewable energy that converts sunlight directly into electricity.
Photovoltaic cells consist of layers of silicon, which absorbs photons from sunlight and releases electrons, generating an electric current.
This current can then be used to power homes, businesses, and other devices.
Solar energy is a clean and sustainable source of energy that can reduce reliance on fossil fuels and help mitigate the negative impacts of climate change.
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A major regional or global community of organisms is called.
A major regional or global community of organisms is called an ecosystem. Ecosystems are composed of living organisms, such as plants and animals, as well as the nonliving components of their environment, such as air, water, and soil.
These components interact with one another through various ecological processes, such as nutrient cycling, energy flow, and succession. Ecosystems can vary widely in size, from small ponds or forests to entire biomes such as the tropical rainforest or the ocean.
The health and functioning of ecosystems are critical for supporting life on Earth, providing important ecosystem services such as clean air and water, soil fertility, and pollination.
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the volume of air flowing into the alveoli during inspiration is increased when there is an increase in which of these? question 5 options: the pressure gradient from the atmosphere to the alveoli the volume of air in the intrapleural space airway resistance
The volume of air that flows into the alveoli during inspiration increases when the pressure gradient from the atmosphere to the alveoli is increased therefore the correct option is A.
This occurs due to Boyle’s law, which states that when pressure increases, the volume of a gas decreases (and vice versa). When atmospheric pressure is increased, it pushes against the walls of the alveolar sacs and forces air inside them. This increases their internal pressure, causing more air to flow in.
Airway resistance also affects the volume of air entering the alveoli during inspiration. When airway resistance is higher (e.g., due to excessive mucus or narrowing of airways), it takes more effort for air to be drawn into the lungs and thus less air will enter them during inspiration.
Question is incomplete the complete question is
If the volume of air flowing into the alveoli during inspiration is increased when there is an increase in which of these?
a. the pressure gradient from the atmosphere to the alveoli increase
b. the volume of air in the intrapleural space airway resistance
c. none
Hence the correct option is A.
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Tabulate two difference between growth in plants and that of animals
The energy that is originally produced by primary producers is called:.
The energy that is originally produced by primary producers is called "primary productivity". Primary producers, such as plants and algae, use energy from the sun to produce organic compounds through the process of photosynthesis.
This organic material is then used as a source of energy by other organisms in the ecosystem. Primary productivity can be measured in terms of the rate at which biomass is produced over a given period of time, typically expressed in units of grams of organic matter per square meter per year.
It is an important factor in determining the overall productivity and health of an ecosystem, as well as the availability of resources for other organisms in the food chain.
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The Hiwassee, Little Tennessee, French Broad, Watagua, and New River
basins drain into the Mississippi River. What percentage of N. C. S land
drains into the Mississippi River? How did you solve this problem? *
Approximately 41% of North Carolina's land drains into the Mississippi River.
These basins you mentioned - Hiwassee, Little Tennessee, French Broad, Watagua, and New River - are part of the larger Tennessee and Mississippi River basins.
To solve this problem, we can compare the total area of the mentioned basins to the total area of North Carolina. The combined area of these basins is about 21,364 square miles, while the total area of North Carolina is about 53,819 square miles.
To calculate the percentage, divide the area of the basins by the total area of the state and multiply by 100:
(21,364 / 53,819) * 100 ≈ 39.7%
The result is approximately 41% when rounded up, which means that about 41% of North Carolina's land drains into the Mississippi River.
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Identify the steps of the lytic cycle.
(label 1-5)
The pieces made in replication are assembled to complete the new virus particles.
The new viral nucleic acid and viral proteins are replicated.
The virus attaches to the host cell.
The original virus releases a protein that causes the cell wall to burst (lysis), killing the cell and releasing viruses.
The hostâs DNA is disassembled and the virus takes over the cellâs metabolic activity
The lytic cycle is a viral replication cycle that involves the infection, replication, and lysis (destruction) of the host cell. It is commonly observed in bacteriophages (viruses that infect bacteria). The steps of the lytic cycle, labeled 1-5, are as follows:
The virus attaches to the host cell.
The virus releases a protein that causes the cell wall to burst (lysis), killing the cell and releasing viruses.
The host's DNA is disassembled, and the virus takes over the cell's metabolic activity.
The new viral nucleic acid and viral proteins are replicated.
The pieces made in replication are assembled to complete the new virus particles.
During the lytic cycle, the virus attaches to the host cell and injects its genetic material (either DNA or RNA) into the cell. The viral genetic material then takes over the host cell's machinery to produce new viral components, such as viral nucleic acids and proteins.
These components are assembled to form new virus particles. Eventually, the host cell undergoes lysis, where it bursts open, releasing the newly formed viruses. The released viruses can then go on to infect other host cells and continue the lytic cycle.
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which of the following statements is an element of cell theory? group of answer choices all cells contain cell nuclei. all cells come from pre-existing cells. all cells are parts of multicellular organisms. all cells in a given organism are the same in size. cells are bounded by a double membrane
The statement that is an element of cell theory is: "all cells come from pre-existing cells." This is one of the fundamental principles of cell theory, which states that all living organisms are composed of cells, and that cells arise from pre-existing cells. The other statements are not elements of cell theory.
"All cells contain cell nuclei" is not a correct statement, as some cells, such as red blood cells, do not have nuclei."All cells are parts of multicellular organisms" is not a correct statement, as there are many single-celled organisms that are composed of only one cell."All cells in a given organism are the same in size" is not a correct statement, as cells can vary in size depending on their function and location in the organism."Cells are bounded by a double membrane" is not a correct statement in the context of cell theory, as the theory does not specify the structure of the cell membrane.To know more about cell theory
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And green plants use photosynthesis, A _____ converts sunlight and lives with it.
A.Chloroplast
B.Cytoplasm
C.Cell Membrane
Answer: C
Cell Membrane
Explanation:
I could be wrong
Why would it be better to be an r selected species if the water resources in an area were to become more limited over a short period of time
Answer:
R selected species are better equipped to survive environmental change because their quick population turn over can quickly adapt.
In a bacterial cell, synthesis of an essential amino acid would take place continually unless the amino acid was abundant in the growth media, in which case ________.
In a bacterial cell, synthesis of an essential amino acid would take place continually unless the amino acid was abundant in the growth media. in which case essential amino acids are those that cannot be synthesized by the cell and must be acquired externally.
If the amino acid is present in the growth media, then the cell would not need to exert energy to synthesize it. The cell would instead take up the amino acid from the media and use it for its metabolic and biochemical processes.
The process of amino acid synthesis in a bacterial cell is highly regulated and is dependent on a variety of factors, such as nutrient availability and environmental conditions. The cell is able to detect the presence of an essential amino acid in the growth media and will consequently reduce its own internal production of the amino acid.
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Giant viruses are challenging the historical notion that viruses are nonliving things. What characteristic do giant viruses possess that make scientists think twice about their classification?
Giant viruses possess characteristics such as large genome size, complex structure, and the ability to perform certain metabolic functions that make scientists reconsider the traditional classification of viruses as nonliving things.
Traditionally, viruses are considered nonliving entities because they lack the necessary machinery to replicate and metabolize on their own, and instead rely on host cells to carry out these functions.
However, giant viruses challenge this notion because they possess genes that allow them to perform certain metabolic functions on their own, such as the ability to synthesize proteins and produce ATP.
Additionally, giant viruses have much larger genome sizes compared to typical viruses, with some exceeding the size of small bacteria. Their complex structures also resemble those of some bacteria, with internal membranes and even organelles such as nuclei.
These characteristics have led some scientists to propose that giant viruses may represent a fourth domain of life, alongside bacteria, archaea, and eukaryotes.
Others argue that they may simply represent an extreme form of virus evolution. Regardless of their ultimate classification, the discovery of giant viruses has sparked new questions and challenges to our understanding of what constitutes life.
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What is the force of an object if it has the mass is 98 kg that is moving at an acceleration of 7. 2 m/s2
Answer:
706,6 N
Explanation:
The force of an object can be calculated using Newton’s second law of motion, which states that the force (F) acting on an object is equal to its mass (m) multiplied by its acceleration (a). In this case, the force would be F = ma = 98 kg * 7.2 m/s² = 705.6 N (Newtons).
The force of an object if it has the mass of 98 kg that is moving at an acceleration of 7. 2 m/[tex]s^2[/tex] is: 705.6 Newtons.
The force of an object can be calculated by multiplying its mass with its acceleration.
Using the given values, we can calculate the force of the object using the formula:
Force = Mass x Acceleration
Substituting the given values:
Force = 98 kg x 7.2 m/s^2
Force = 705.6 N
Therefore, the force of the object is 705.6 Newtons.
This means that the object has a force acting on it that is equivalent to 705.6 N. This force is responsible for accelerating the object at 7.2 m/s^2.
It is important to note that force is a vector quantity, meaning it has both magnitude and direction.
In this case, the direction of the force is not provided, so we can assume it to be in the direction of the acceleration.
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What do scientists compare to make sure they classify an organism correctly?.
Classification of organisms is an important task for scientists as it helps in understanding the relationships between different species and their evolutionary history.
To classify an organism correctly, scientists compare its physical characteristics, genetic makeup, behavior, and habitat with those of other organisms. This process is known as taxonomy, which involves identifying, naming, and classifying organisms based on their characteristics.
By comparing the traits of an organism with those of other known species, scientists can determine the most appropriate taxonomic classification for that organism. The correct classification of an organism helps in understanding its ecological and evolutionary relationships with other species, and aids in conservation efforts and disease control.
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The sequence of bases on one strand of a
DNA molecule is AGCCTAG.
After replication
of the strand of DNA, what is the sequence of
nitrogen bases on the complementary strand?
The sequence of bases on the complementary strand of DNA after replication would be D. TCGGATC.
During DNA replication, the two strands of the double helix are separated, and each serves as a template for the synthesis of a new complementary strand. Enzymes called DNA polymerases add nucleotides to the 3’ end of the growing strand, which are complementary to the template strand. As a result, the newly synthesized strands are complementary to the original strands, with the base pairing rules ensuring the fidelity of the replication process.
Understanding DNA replication and complementary base pairing is essential in fields such as genetics and biotechnology, as it allows scientists to manipulate and engineer DNA sequences with precision.
Therefore, the correct option is D. TCGGATC.
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A decrease in atp synthesis within the cells of the proximal convoluted tubule would result in a significant decrease in ____________.
A decrease in ATP synthesis within the cells of the proximal convoluted tubule would result in a significant decrease in the reabsorption of ions and nutrients.
The proximal convoluted tubule is an important part of the nephron in the kidney, responsible for the reabsorption of ions, nutrients, and water from the filtrate. This process requires the active transport of these substances across the cell membrane and into the bloodstream, which is facilitated by the energy provided by ATP.
If there is a decrease in ATP synthesis, the cells in the proximal convoluted tubule will have less energy to carry out the active transport process, resulting in a decrease in the reabsorption of ions and nutrients. This can lead to a decrease in overall kidney function and the accumulation of waste products in the body.
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why does nitric oxide (no) act as a paracrine signal that affects only neighboring cells? choose one: it diffuses rapidly into the atmosphere. it is rapidly converted to nitrates and nitrites in the target cell. cell-surface no receptors are expressed only on cells in close proximity to no signaling cells. it is rapidly converted to nitrates and nitrites in the extracellular fluid. it is rapidly washed away by the bloodstream.
Nitric oxide (NO) acts as a paracrine signal that affects only neighboring cells because it diffuses rapidly into the atmosphere.
The correct option is A.
NO diffuses rapidly across cell membranes and into nearby cells, where it can bind to and activate intracellular targets, such as guanylate cyclase, or modify cellular components, such as proteins and lipids.
NO acts as a paracrine signaling molecule that regulates physiological processes within a localized area of tissue rather than being a long-range signaling molecule that affects distant organs or tissues.NO acts as a paracrine signal that affects only neighboring cells because of its rapid diffusion and short half-life, which limit its range of action.
Hence , A is the correct option
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