Meiosis is involved in the formation of the gametes of multicellular organisms.
How do multicellular organisms reproduce?Both plants and animals reproduce by developing new individuals, through gametes or reproductive cells.
Characteristics of multicellular organisms reproductionMany multicellular organisms always arise from a single cell called a zygote, the result of the union of two gametes (female and male).The zygote subdivides rapidly throughout gestation, forming the entire body of the creature that, from its birth, begins to grow.Therefore, multicellular organisms reproduce by means of certain types of reproductive cells that are generated and take care of building a complete new individual.
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What is the lytic cycle of a virus? If this lytic phase does not occur, what does the virus do?
The lytic cycle is the process of viral replication that leads to the destruction of the host cell. If this lytic phase does not occur, the virus enters a dormant phase.
The lytic cycle is a process by which a virus replicates and eventually causes the host cell to burst, releasing new virus particles. This process involves several steps:
Attachment: The virus attaches to the host cell's surface.Penetration: The virus injects its genetic material into the host cell.Biosynthesis: The virus hijacks the host cell's machinery to replicate its genetic material and produce new virus particles.Maturation: The newly formed virus particles assemble themselves into complete viruses.Lysis: The host cell is destroyed, releasing the new virus particles into the environment to infect other cells.If the lytic cycle does not occur, the virus may enter a dormant state or integrate its genetic material into the host cell's genome, becoming a provirus. In this state, the virus can remain dormant for long periods of time, sometimes for the lifetime of the host.
Alternatively, the virus may enter a state known as the lysogenic cycle, in which the viral DNA becomes integrated into the host cell's genome and replicates along with it. In this state, the virus may not cause any immediate harm to the host cell but can later transition into the lytic cycle, causing damage and disease.
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what is biodegradation? multiple choice breaking up the plastics into small pieces before putting them into a landfill breaking down polymers into carbon dioxide and water a way to dispose of natural polymers only using bacteria and fungi to eat the waste plastic
Biodegradation is the process of breaking down organic substances by using biological organisms like bacteria and fungi.
It is a natural process that occurs over time and can be used to dispose of certain types of waste, including natural polymers like plant material. Biodegradation works by breaking down complex polymers into simpler compounds, such as carbon dioxide and water, which can be absorbed into the surrounding environment. This process can occur in a range of settings, including landfills, compost heaps, and water bodies. Biodegradation is not limited to natural polymers and can also occur with synthetic materials like plastics. However, it is important to note that not all plastics are biodegradable and require specific conditions, such as high temperatures and moisture, to degrade.
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Where does the energy needed for photosynthesis come from
pleese help i need answers for this
Answer:
C - The same traits as the single parent.
Explanation:
Asexual reproduction is the production of offspring from one parent, and the DNA will always be identical to that one parent.
How much is DNA important to identify a group? Give a brief explanation on race ,whiteness and property? Does biological anthropologists and genome scientist need to add the relation between Europeans and Indigenous people while doing their research?
DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.
Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.
DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.
In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.
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which is not an example of a single species on Earth?
A.All the bacteria in a pond
B. All the water lilies in a pond
C. All the bullfrogs in a pond
D. All the small mouth bass in a pond
Answer:
A
Explanation:
B, C, and D are examples of single species on Earth, while A is not.
Option B refers to all the water lilies in a pond, which is a single species of plant.
Option C refers to all the bullfrogs in a pond, which is a single species of amphibian.
Option D refers to all the small mouth bass in a pond, which is a single species of fish.
Option A, however, refers to all the bacteria in a pond. Bacteria are a diverse group of microorganisms, and a pond can contain many different species of bacteria, making option A not an example of a single species on Earth.Therefore, the correct answer is A.
Which of the following statements about hormones is true?0000They are secreted into a duct by exocrine glands.They circulate in the bloodstream and affect every tissue in the body.They are secreted by endocrine glands directly into the bloodstream.None of these choices are correct.
They are secreted by endocrine glands directly into the bloodstream.
The endocrine system is composed by glands that secrete hormones directly into the bloodstream. Those hormones communicate with the organism and affect a high number of processes that maintain its functioning.
if you divide mass by density you get?
By dividing the mass and density, you get volume
Enzyme Catalysis 1) The second reaction rate is what?
2) How is Vinitial (V0) determined?
1) The second reaction rate, also known as the steady-state rate, is the rate at which the concentration of product remains constant over time in an enzyme-catalyzed reaction.
2) \(V_{initial}\) (V₀) is determined by measuring the initial rate of reaction, which is the rate of product formation at the beginning of the reaction before substrate depletion or product inhibition occurs.
1) Second reaction rate occurs when the rate of formation of the product is equal to the rate of its consumption and is dependent on the concentration of enzyme and substrate. The steady-state rate is typically much higher than the initial rate of the reaction, as the enzyme becomes saturated with substrate and the reaction reaches a maximum velocity.
2) Vinitial can be measured by monitoring the change in absorbance, fluorescence, or other properties of the reaction mixture over time using a spectrophotometer or other analytical tools. The initial rate provides information about the catalytic efficiency of the enzyme and is useful in determining kinetic parameters such as the Michaelis-Menten constant\(K_{m}\) and the maximum velocity (\(V_{max}\)) of the reaction.
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i need help i can't tell if water gets cold faster when it's hot or when it's cold?
Answer:
It differs, in some cases, hot water may get cold faster than water at room temperature, yet it is not 100% of the time.
Which of the following sleep disturbances is correctly matched with its description? A. Sleep apnea-difficulty breathing during sleep B. Narcolepsy-sudden awakenings accompanied by extreme fear, panic, and strong physiological arousal C. Night terrors-sudden sleep during waking consciousness D. Insomnia-temporary paralysis of the body before or after sleep
Sleep apnea - difficulty breathing during sleep This option correctly matches the sleep disturbance with its description. Sleep apnea is a disorder characterized by pauses in breathing or periods of shallow breathing during sleep, which can lead to disrupted sleep and other health issues.
Narcolepsy is characterized by sudden and uncontrollable sleep attacks, not sudden awakenings with physiological arousal. Night terrors are episodes of intense fear and screaming during sleep, typically in children. Insomnia is difficulty falling or staying asleep, not temporary paralysis before or after sleep.
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Traits Studied by Mendel
A 3-column table labeled Traits Studies by Mendel has 7 rows. Column 1 has entries plant height, flower color, flower position, pod color, pod shape, seed color, seed shape. Column 2 has entries tall, purple, end of stem, green, inflated, yellow, smooth. Column 3 has entries short, white, middle of stem, yellow, constricted, green, wrinkled.
What do these characteristics all have in common?
They are all dominant.
They can all be easily observed.
They are all recessive.
They can all be applied to other plants.
What is common to all the characters listed in the said table is that they can be easily seen with the physical eyes. In other words, they are easily observable.
The characters listed in the first column of the table which includes height, flower color, flower position, pod color, pod shape, seed color, and seed shape are those that do not require special instruments to be seen or observed.
They can be observed with unaided eyes even by a layman. The easily observable traits make it easy for such a plant to be utilized in plant breeding experiments.
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Which of the following is not an example of reproduction?
A
a turtle laying its eggs on the beach
B
a human buying a carton of eggs
C
a cow giving birth to a calf
D
a pollinated flower making seeds
Answer:
B. A human buying a carton of eggs
Explanation:
In the table give specific examples of ecosystem services coral reefs provide for other ecosystems
Coral reefs provide a wide range of ecosystem services to other ecosystems. For instance, coral reefs protect shorelines from storm surges and waves.
The coral reefs also help in preventing coastal erosion. Additionally, coral reefs serve as a habitat and nursery ground for numerous species of fish and other marine organisms. These organisms, in turn, provide food for larger predators such as sharks and whales, which migrate through different ecosystems.
Moreover, coral reefs are also a significant source of revenue for countries that depend on tourism, as many people visit the reefs to snorkel, dive, or simply enjoy their beauty. Coral reefs also have a significant role in nutrient cycling and carbon fixation, helping to regulate the global climate. Overall, the importance of coral reefs cannot be overstated, as they provide essential services to many other ecosystems in the ocean and beyond.
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Is an onion structure a cell tissue organ system or organisms
Answer:
it's a cell tissue
Explanation:
dude its like so obvious
Obviously, its a Tissue.
How does a cold ocean current affect the climate along the coast?
A. Cold ocean currents do not affect the climate of the coast; only warm currents affect climate. B. The cold ocean current results in a cooler coastal climate. C. The cold ocean current results in a warmer coastal climate. D. The cold ocean current results in a drier coastal climate
A colder coastal climate is a result of the cold ocean current.
The climate of coastal locations can be influenced by warm and cold ocean currents, but only when local breezes come in from the sea. Warm currents raise the temperature over land by warming the air above the ocean. Cooler air can be brought across land by cold currents, which can also reduce air temperatures.
In order to balance out the unequal distribution of solar energy reaching Earth's surface, ocean currents govern the global climate. Regional temperatures would be more severe without ocean currents, with extremely hot temperatures near the equator and icy temperatures at the poles, and considerably less of Earth's land would be livable.
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Please help me. I will give you the brainlyest. I really need it. Thanks..
Although London, England is much further north than Toronto, Canada, London enjoys a much more mild and temperate climate. Which most likely accounts for this?
A. London sits on the Thames river but Toronto is on the shores of Lake Ontario
B. Heat carried by ocean currents warms and tempers London's climate
C. London is south of the more hilly regions nearby and Toronto is north of the Appalachian mountains
D. Toronto is near the descending air of a Hadley's cell
The correct answer is option B. The climate of London is warmed and tempered by heat brought by ocean currents.
What is climate?
A region's average long-term weather pattern over a period of time, often 30 years, is referred to as its climate. In more detail, it is the average and variance of climatic factors across a time span that might be anywhere between a few months and many millions of years.
The climate of a location refers to its long-term pattern of weather. The weather could alter hour by hour, day by day, month by month, or even year by year. The weather patterns of a location, which are normally tracked for at least 30 years, establish its climate.
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made of two layers of phospholipids. controls what moves in and out of the cell
The phospholipid bilayer of the cell membrane is responsible for controlling what moves in and out of the cell.
It does this by maintaining a selective permeability that allows small molecules and water to pass through, while preventing large molecules and ions from entering the cell. The membrane also contains proteins that act as transporters, controlling the direction and rate at which molecules move into or out of the cell.
A cell membrane, or plasma membrane, is a thin, semi-permeable barrier that surrounds the cytoplasm of a cell and separates its interior from its environment. It is made of two layers of phospholipids, which are molecules with a hydrophilic (water-loving) head and two hydrophobic (water-hating) tails. The two layers of phospholipids are arranged in a way that the hydrophilic heads both face outwards, creating a phospholipid bilayer.
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Complete question :
What is made of two layers of phospholipids and controls what moves in and out of the cell?
assume that a man with hemophilia marries a normal woman whose father had hemophilia. what is the probability that their first son will have hemophilia?
When a man with hemophilia marries a normal woman whose father had hemophilia. Then the probability that their first son will have hemophilia will be 1/4
Hemophilia is a x hereditary disease.
Since the mother is a carrier mother and the father is a hemophilia father.
So there will be a total of four cases will arise. One hemophilia daughter, one carrier daughter, one normal son, and one hemophilia son.
Therefore the probability that when a man with hemophilia marries a normal woman whose father had hemophilia then their first son will have hemophillia is 1/4
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What is one thing people can do to reduce the amount of carbon in theatmosphere?A. Plant more trees.OB. Drive longer distances.OC. Use more electricity.OD. Burn more fossil fuels.
Reduction of carbon in the atmosphere
Plants consume carbon dioxide (CO2) in the process of photosynthesis as a substrate to form their food, i.e, sugars such as glucose, following the formula:
6 CO2 + 6 H2O + light --
help meh plz
Which abiotic factor would increase the sustainability of an ecosystem?
An increase in the available water in an ecosystem
An increase in the human interference in the ecosystem
A decrease in the amount of sunlight in the area.
A decrease in the number of available producers in the area.
An increase in the available water in an ecosystem would increase the sustainability of an ecosystem.
An increase of human interference can negatively impact local flora and fauna populations.
A decrease in the amount of sunlight would negative impact plants.
A decrease in the number of available producers will negatively impact the entire food chain/food web.
Answer:
An increase in the available water in an ecosystem.
Explanation:
An abiotic factor of an ecosystem is a non-living factor.
"A decrease in the number of available producers in the area. " Would be a biotic factor and would affect the environment for the worse. It would be the same with the second option too.
The third one is an abiotic factor but it would affect the environment for the worse.
The best answer would be the first option.
Hope this helps.
Which type of tissue adds structure to
the body?
1. Muscle
2. connective
3.nerve
4.epithelial
Answer:
4. Epithelial layer
Explanation:
What occurs in a chemical reaction?
A. Reactants break bonds and form new bonds to make new substances.
B. Reactants break bonds and reform the same bonds.
C. Reactants break bonds, but do not form new substances.
D. No chemical bonds get broken.
I really need help on this :-(
Answer: Breaking chemical bonds.
Explanation: The number of atoms before and after the chemical range is the same but the number of molecules will change.
which organelle helps contribute to a plant cell’s ""boxy"" shape?
Answer:
Cell walls give the plant cells their boxy shape and provide support for tall upright structures like stalks and tree trunks.
Which selection from the article is BEST illustrated by Image 1?
Answer:
Image 1
Explanation:
As you can see there is nothing to look at therefore it is image one
How does the size of a bacterial cell compare with an animal cell?
Answer:
hope it helped
Explanation:
Bacterial cells are very small - about 10 times smaller than most plant and animal cells. Most bacterial cells range in size from 0.2 to 10 microns or micrometers (0.0000079 to 0.00039 inches). ... One reason why bacterial cells are so small is that they need a large surface area to cell volume to take in nutrients.
What is a natural fertilizer is called?
Explanation:
manure is called natural fertilizer
Do you think that every living being possesses some inherent value simply due to the fact that it is alive? Why or why not?
Yes, I believe that every living being possesses inherent value simply due to the fact that it is alive. This belief is rooted in the principle of respect for life and the recognition that every living being has its own unique place and purpose in the web of life.
Firstly, the interconnectedness of all living beings underscores their inherent value. Every organism, from microscopic bacteria to complex organisms like humans, plays a role in maintaining the balance of ecosystems. Each species contributes to the overall functioning and stability of the natural world. Recognizing this interconnectedness implies acknowledging the inherent value of all living beings.
Furthermore, the ability to experience pleasure, pain, and consciousness is another reason to ascribe inherent value to living beings. Sentient creatures, such as humans and many animals, have the capacity to feel emotions, experience joy, suffer, and form social bonds. These experiences give rise to an intrinsic worth that should be respected.
Moreover, ethical considerations guide the belief in inherent value. Many ethical frameworks, such as the principle of non-maleficence and the golden rule, emphasize the importance of treating others with respect and compassion. By recognizing the inherent value of all living beings, we can strive to promote their well-being and avoid causing unnecessary harm.
In conclusion, the belief that every living being possesses inherent value is based on the principles of interconnectedness, the capacity for consciousness, and ethical considerations. By acknowledging and respecting the value of all life, we can work towards a more harmonious and compassionate world.
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The drawing shows an apple falling to the ground. In which of the three positions does gravity act on the apple?
The drawing shows an apple falling to the ground. The gravitational force act on the apple 1, 2 and 3. Thus option D is correct.
what is Gravitational force ?
A gravitational force is defined as an attractive force which is exerted by a massive body on the massive body.
gravitational force is a force exerted by earth on other objects and can be represented as F=mg
F is the force of gravity, G is the gravitational constant of the universe and it is always the same number, M is the mass of one object, m is the mass of the other object
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What are some of the CELLULAR FUNCTIONS that a cell membrane participates in?
Answer:
There are two main functions
Explanation:
First, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Answer:
1. Selective permeability: The cell membrane acts as a barrier, allowing certain molecules to enter and exit the cell while preventing others from passing through.
2. Signal transduction: The cell membrane is involved in the transmission of signals from outside the cell to the inside, allowing the cell to respond to its environment.
3. Cell-cell recognition: The cell membrane contains proteins that allow cells to recognize each other and interact with one another.
4. Endocytosis and exocytosis: The cell membrane is involved in the process of endocytosis, which is the uptake of molecules from outside the cell, and exocytosis, which is the release of molecules from inside the cell.
5. Cell adhesion: The cell membrane contains proteins that allow cells to adhere to one another and form tissues.
Explanation: