Answer:
An offspring identical to itself.
Explanation:
The difference between asexually reproduction and sexually reproduction is that when you asexually reproduce, you are simply duplicating yourself. There are many ways you can asexually reproduce, like after a certian growth time, you would just simply split yourself. A part of you can just come off too. The last one is franmentation. It is when you take a big part of you off, and then if it was big enough, it would grow. (Occurs in Starfish). But when you sexually reproduce, two haploids would come together, creating a diploid which would duplicate. And asexually reproduction, you would already start with a full set of genes. (Which is identical to your mother's)
which promotes a more substainable use of resource
Answer:
Decreasing overconsumption
Explanation:
During the last years, environmental concerns have increased due to high levels of contamination and destruction of ecosystems. In response to this situation, a worldwide movement has emerged that promotes environmentally friendly practices that aim at reaching sustainability. The term "sustainability" refers to a global trend to find the balance between the conservation of nature and the use of natural resources; one of the most important principles to achieve this is to reduce consumption; this leads to a decrease in the negative impact of human societies as fewer resources are taken from nature and thus, ecosystems are preserved. So, the correct answer is decreasing overconsumption
Over the next century, how do you think the effects of global climate change will compare for species adapted to extreme heat (tropical and hot desert species) versus those adapted to extreme cold (polar species)
Answer:
If we do not reduce our carbon emissions and instead allow global temperatures to rise by 4.5˚C, up to half the animals and plants in some of the world’s most biodiverse areas could go extinct by 2100, according to a new study. In fact, even if we are able to limit global warming to the Paris climate agreement goal of 2˚ C, areas such as the Amazon and the Galapagos could still lose one quarter of their species, say the researchers, who studied the effects of climate change on 80,000 plants and animals in 35 areas. Another study found that local extinctions (when a species goes extinct in a particular area, but still exists elsewhere) are already occurring in 47 percent of the 976 species studied, in every kind of habitat and climatic zone.
With temperatures rising, precipitation patterns changing, and the weather getting less predictable and more extreme, a 2016 study determined that climate change is already significantly disrupting organisms and ecosystems on land and in water. Animals are not only shifting their range and altering the timing of key life stages— they are also exhibiting differences in their sex ratios, tolerance to heat, and in their bodies. Some of these changes may help a species adapt, while others could speed its demise.
Move, Adapt or Die
Animals can react to climate change in only three ways: They can move, adapt or die.
According to climate change If carbon emission can't reduced and instead allow global temperatures to rise by 4.5˚C, up to half the animals and plants in some of the world’s most biodiverse areas could go extinct by 2100.
What are the effects of climate change?Climate change refers to long-term shifts in temperatures and weather patterns. These shifts may be natural, but since the 1800s, human activities have been the main driver of climate change, primarily due to the burning of fossil fuels (like coal, oil, and gas) which produces heat-trapping gases.
More frequent and intense drought, storms, heat waves, rising sea levels, melting glaciers and warming oceans can directly harm animals, destroy the places they live, and wreak havoc on people's livelihoods and communities.
The potential future effects of global climate change include more frequent wildfires, longer periods of drought in some regions, and an increase in the duration and intensity of tropical storms.
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3. Calcium carbonate is the majour component of marble. Sulphuric acid one of the majour components of acid rain. Write a balanced chemical quation to show how the corrosion of marble statue by the acid rain.
Answer:
here
Explanation:
CaCO3 + H2SO4
-----> CaSO4 + H2O + CO2
The process whereby the earth’s life changes over time through changes in genes of populations of organisms in succeeding generations is called____.a. emigration.b. mutation.c. natural selection.d. evolution.e. genetic drift.
Answer:
The correct answer is option : d. evolution.
Explanation:
Change in the heritable traits or characteristics of population of a organism over time by the adaption or changes in genes of such population over successive generation is known as the evolution.
These changes that cause the evolution of the biological population is caused by the process of adaption through natural selection that is the ability of the passing beneficial genes from parent to offspring.
Thus, the correct answer is option D. evolution.
You are studying lipoprotein processing in a strain of mutant mice. You find that these mice synthesize the same apolipoprotein composition contained in lipoproteins made in the liver and the intestines, whereas, in wild-type mice there are 2 different sized apolipoproteins in these same tissues. Examination of the mRNA processing in the mutant mice would most likely show a defect in which of the following processes?A. alternative polyadenylationB. alternative splicingC. differential cappingD. posttranscriptional modification converting a U to a T residueE. RNA editing
Answer: Option E -- RNA Editing
Explanation:
It should be noted that, RNA editing can be defined as a molecular process via which some cells can make discrete changes to specific nucleotide sequences within an mRNA molecule after it has been generated by RNA polymerase. In addition, we have two major types of RNA editing with 1 being a C-to-U change catalyzed by cytidine deaminase that deaminates a cytidine base into a uridine base, e.g C-to-U editing is with the apolipoprotein B gene in humans. ApoB-100 is expressed in the liver and apoB-48 is expressed in the intestines. The B-100 form comprises of a CAA sequence that is edited to UAA, a stop codon, in the intestines.
What does the formula below represent? CO2 + H20 → C6 H12 06+02
Answer:
Photosynthesis
Explanation:
List out the names of some
plants that grow in your village.
Which parts of it are used as
food?
Answer:
Explanation:
The plants grown in my place are - rice, groundnut, sugarcane, grapes, mulberry, castor, ragi etc.
Parts of it used as food
rice - seed
groundnut - seed
sugarcane - stem
grape - fruit
Mulberry - fruit
Castor - seed
ragi - filler millet
Hope this helps
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The polymerase chain reaction, or PCR, is a tool used frequently in biotechnology. Because PCR mimics the natural DNA replication that occurs in the cell, the two processes share many characteristics. Sort the descriptions of these processes by dragging them to the appropriate boxes. The descriptions may apply to natural replication only, to PCR only, or to both processes.
Answer:
PCR
Produces million of copies of a segments of DNA and
Requires cycles of temperature.
PCR.
When large number of copies of a particular gene fragment is needed from smallest quantity of DNA molecules,the techniques of genetic engineering usually employed is called PCR. It involves denaturation of template DNA,the use of Primers(20 base pairs),the use of enzyme DNA polymerase for building of new strands of DNA.
Natural Replication.
produces a copy of the whole genome
It occurs before mitosis and meiosis
Begins at the origin of replication.
Both.
Requires primers
Requires DNA polymerase
Results in Semi conservative replication
Explanation:
When rapid production of large copies of particular DNA fragments is needed from a small molecules of fragment of the original DNA fragments is needed the tool of genetic engineering used is called PCR.
It involves denaturation of the template DNA at 95 degrees for separation to single strands,
the attachments of primers(20 base pairs of complementary bases to the template DNA) at 65 degree a process called annealing and the use of polymerase enzyme for building on chains of DNA , during elongation.
The enzyme are extracted from thermophilic organisms,therefore could withstand the high temperature.The polymerization can proceed for a continuous cycle with million of new DNA chains produced by the polymerization Chain machine
what the parts of Earth's biosphere
Answer:
lithosphere, atmosphere and hydrosphere.
Explanation:
Answer:
the hydrosphere
the atmosphere
the lithosphere
Explanation:
The hydrosphere is all waters on the Earth's surface, such as lakes and seas, and sometimes including water over the Earth's surface, such as clouds.
The atmosphere is the Earth's layer of gases, commonly known as air, that is retained by Earth's gravity.
The lithosphere is the rigid part of the earth, consisting of the crust and upper mantle.
Read each of the following statements. If it describes a process of reproduction, write yes.
If not, write no.
19. New leaves appear on a tree in spring.
20.
An amoeba divides in half.
21.
A bean plant produces seeds in long pods.
22.
Pollen grains are released from a flower.
23.
A sea star produces a new arm after losing one to a predator.
Answer:
New leaves appear on a tree in spring. - NO
An amoeba divides in half. - YES
A bean plant produces seeds in long pods. - YES
Pollen grains are released from a flower. - YES
A sea star produces a new arm after losing one to a predator. - NO
Explanation:
The appearance of new leaves has nothing to do with reproduction but rather regeneration.
An amoeba dividing in half is a form of reproduction known as asexual. Binary fission is a reproductive process in which an organism divides into two and each half develops into new independent organisms.
A bean plant producing seed is part of the reproductive process. After fertilization, the ovule of a flower becomes the seed. A seed in itself is a ripened fertilized ovule.
The release of pollen grains from the anther of a flower to the stigma of a compatible flower in the same or different individuals plants is known as pollination. Pollination is a reproductive process similar to fertilization.
A sea star producing a new arm after losing one to a predator is a regeneration process rather than a reproductive process.
Why does anaerobic respiration produce less energy than aerobic respiration?
A. Glucose is only partially broken down.
B. The process takes a lot of energy, and uses most of what it releases from Glucose.
C. Glucose can't be broken down without oxygen, so the body's other energy source,
lipids are used.
D. Glucose can't be used, so there is only ATP.
Answer:
A. Glucose is only partially broken down.
Explanation:
Glucose can only be partially broken down in the absence of oxygen, and the byproducts of anaerobic vs aerobic lead to different amounts of energy.
Which muscle tissues in the body are going to have the high number of Mitochondria and why?
Answer:
Skeletal muscle cells are long, cylindrical, multi-nucleated and striated. Each nucleus regulates the metabolic requirements of the sarcoplasm around it. Skeletal muscle cells have high energy requirements, so they contain many mitochondria in order to generate sufficient ATP.
You notice that your aunt, who has generalized anxiety disorder, is often restless and has trouble concentrating. Which area of her brain is most likely responsible for her responses to anxiety-provoking events? A. Amygdala B. Hypothalamus C. Anterior cingulate cortex D. Cingulate gyrus
Answer:
Amygdala
Explanation:
Generalized anxiety disorder (GAD occurs when an individual experiences excessive and continuous worry and anxiety about certain things ,It is caused by over activation of the region of the brain that mediate response to fight and flight stimulus and fear,the amygdala.
Its symptoms are difficulty with concentrations, overthinking ,indecision, irregular sleep patterns.
Two brain circuits transmitted sensory stimuli of fear or danger in the brain to two regions of the brain,
1. the peripheral cerebral cortex for voluntary decisions
2. the Amygdala for involuntary emotional decision.
The amygdala is concerned with how the body reacts to the effects of the stimuli in the immediate environments, the interactions of the stimuli with the emotions of the subject, and the involuntary response .
To respond to the stimuli of fear. The amygdala stimulates the hypothalamus.The latter activate the cardiovascular and breathing centre .Hence,adrenaline is released into the blood stream.The increases involuntary response to anxiety,which gives a fast response..The cerebral cortex response takes time to relay response.
Amygdala, stores memories of all emotions, fear, and anxiety. In patients with this disorder, the Amygdala is sensitive and had been adapted to the memory of fear and anxiety stored.Therefore, every slight normal event which should give any danger is over reacted to by the amygdala with fear or flight response, This triggers the two brain circuits to give anxiety-provoking events.
Intake of medication, Behavioural therapy are the mode of treatments.
what would happen if the pons of the brain is damaged?
Hello There!
Answer :
If the pons of the brain is damaged , it may cause a major interruption,loss of muscle control and function except for the eye movement in the body.Pons - Situated in the brain,Sends sensory information like signals through sleep patterns to the organs and muscles.Hope this helps!
Have a nice Day!:)
Answer: If the pons of the brain is damaged , it may cause a major interruption, loss of muscle control and function except for the eye movement in the body.
Explanation: no wander
any 3 communicable diseases,its symptoms,prevention and source.
Answer:
1) Flu
2) Hantavirus
3)HIV/AIDS
hope it helps you
Explanation:
A scientist has been working for 15 years to develop a new type of plastic material, but she has not yet been successful. Which of the following
best explains why her work is still a success?
a
New ideas often develop from unsuccessful experimentation.
b
The original problem was not solved and can now be abandoned.
с
Most scientists require several decades of experimenting before achieving their goals.
d
The scientist has demonstrated that there are no new plastics for scientists to develop.
Answer:
a. New ideas often develop from unsuccessful experimentation.
Explanation:
The scientists' work would still be considered a success because new ideas often develop from unsuccessful experimentation. Many of today's famous inventions and celebrities failed at the start of their career. However, because they did not give up on their goal, they eventually succeeded. A few examples of those people are Bill Gates, Albert Einstein, and Michael Jordan.
Here is an influential quote, said by Michael Jordan, that I think accurately supports this topic of discussion:
"I've missed more than 9,000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game-winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed."
A scientist has been working for 15 years to develop a new type of plastic material but she has not been successful. Her work is still a success because new ideas often develop from unsuccessful experimentation.
What are the principles of scientific research?There are various principles that need to be followed when scientific research is being carried out. Methods of self-regulation and authority regulation are both extremely important for conducting scientific research.
They both need to be followed as no one is sufficient without another. The basic principle for scientific working which is required to be followed by all scientists is respect for the work, the integrity of the knowledge, honesty about the data and openness about their mistakes.
Scientific principles are required to be followed in every stage of scientific research, right from the formation of a hypothesis to the publishing of results.
Therefore, even if research is not giving any results it is successful new ideas develop from unsuccessful experimentation.
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what is the meaning of plasmolysis
Answer:
. when a living plant cell loses water by osmosis , there is a contradiction or shrinkage of the components of the cell away from the cell wall . This phenomenon is known as plasmolysis . for example :- red blood cells shrink when placed in a salt solution .
Explanation:
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please help!
A. dark brown sea lions absorb too much heat from the sun during the day
B. dark brown sea lions blend in with the color of rocks and escape predators
C. light brown sea lions’ fish prey are attracted to the light color of their fur coat
D. light brown sea lions are able to compete with other organisms for resources
Answer:
B. dark brown sea lions blend in with the color of rocks and escape predators
Explanation:
The lighter sea lion population is going down while the darker sea lion population is going up. This means that dark brown sea lions have some kind of natural advantage over light brown sea lions.
The University of California Cooperative Extension and the county of Humboldt did a study, and estimated that in order to produce all the beef eaten in the county each year, 365,000 acres of land were needed.
Answer:
For the production of food for animals.
Explanation:
365,000 acres of land were needed for the production of feed for animals in order to produce beef. Feed such as grasses, berseem, shaftal and maize etc are given to animals because these plants has high protein content which is necessary for the production of meat in animals. If proper feed is not provided to animals so they becomes weak and low in meat which will not fulfill the beef need of a country so proper feed is necessary for the production of high amount of beef.
Which best compares radiation and conduction?
Both transfer thermal energy from warm objects to cooler objects.
Both can transfer energy through empty space.
Both transfer thermal energy by electromagnetic waves.
Both involve the transfer of energy through direct contact.
Answer:
Both transfer thermal energy from warm objects to cooler objects.
Explanation:
Radiation involves the transfer of energy in the form of light, heat and electromagnetic waves such as x-rays while conduction involves the transfer of energy through direct contact of the two substances. The both of them involve involve the transfer of thermal energy from hotter objects to colder objects.
Radiation is involved in the transfer of energy through empty spaces while conduction involves transfer of energy through direct contact.
The statement which best compares radiation and conduction is both transfer thermal energy from warm objects to cooler objects.
To answer the question, we need to know what heat transfer is
What is heat transfer?This is the transfer of thermal energy from one body to the other.
Types of heat transferThere are 3 types of heat transfer namely
Conduction - This is the transfer of thermal energy from warms objects to cooler objects through direct contact. This usually occurs in solids.
Convection - This is transfer of thermal energy from warmer objects to cooler objects by movement of the whole object. This usually occurs in fluids.
Radiation - This is transfer of thermal energy from warm objects to cools objects through empty space by electromagnetic waves.
So, the similarity between conduction and radiation is that both transfer thermal energy from warm objects to cooler objects.
So, the statement which best compares radiation and conduction is both transfer thermal energy from warm objects to cooler objects.
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What happens when the positive transcription factor affinity is slightly lower than the negative transcription
factor's affinity?
(1 point)
O mRNA is made in large quantities in frequent batches.
OmRNA is made in small quantities in infrequent batches.
O mRNA is made in large quantities in infrequent batches.
O mRNA is made in small quantities in frequent batches.
Answer:
O mRNA is made in small quantities in infrequent batches.
Explanation:
mRNA is made in small quantities in infrequent batches because the affinity of positive transcription is lower and affinity of negative transcription is higher which is responsible for production of mRNA from DNA molecule. Transcription is a process in which the information that is present in DNA molecule is copied to new mRNA molecule. Positive transcription factor is a promoter which promotes the initiation of transcription in order to enable RNA polymerase while negative transcription factor is a repressor protein.
How does the design of your experiment control for outside factors that may affect the results?
Answer:
It separate the inner environment from the outer environment.
Explanation:
The design provides the separation of the inner environment from the outer environment which is responsible to control the outside factors which directly affects the results of the experiment. The design provides control environment which is required for the experiment. In this control environment, the environmental factors will not affect the results of the experiment.
Chylomicrons A. are synthesized in intestinal epithelial cells. B. enter capillaries in the small intestine. C. help emulsify fats. D. are a rich source of carbohydrate. E. are synthesized in the lumen of the small intestines.
Answer:
E
Explanation:
I don't know. How Supposed to help you
Chylomicrons are synthesized in intestinal epithelial cells to transport long-chain triglycerides to the tissues. Therefore, option (A) is correct.
What are chylomicrons?Chylomicrons are lipoprotein particles made up of triglycerides, phospholipids, cholesterol, and proteins. They are also known as extremely low-density lipoproteins. They move dietary lipids from the intestines to other bodily parts.
Chylomicrons deliver lipids ingested from the gut to the adipose, cardiac, and skeletal muscle tissues, where their triglyceride components are digested by the action of the lipoprotein lipase, releasing the free fatty acids that may then be absorbed by the tissues.
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Which type of energy do you think is better: SOLAR ENERGY or WIND ENERGY?why do you think that ?
Answer:
wind energy
Explanation
wind power is more efficient than solar power or energy because this system use less energy release less carbon dioxide to the atmosphere and produce more overall energy a single wind turbine can generate same amount of electricity in Kwh as thousands of solar power panels
Answer: Wind Energy
Explanation: Wind power is considered more efficient than solar because they use less energy, release less carbon dioxide and produce more energy overall.
Wind energy runs 24 hour a day since it doesn't depend on sunlight to create energy unlike solar energy panels.
what are the different types of waste? and what are the methods used in biodegrable waste managment
Answer:
liquid waste , solid waste,harzadious waste,recyclable rubbish and organic waste
Only ------ percent of the food eaten is turned into its own body. *
20%
12%
10%
40%
Answer:
12% I think this is right answer v
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Answer:
the answer is 10%
Explanation:
the 10% rule states that only 10% of energy is passed from one trophic level to the other (organism to organism)
From what sources did water arrive in Earth’s atmosphere?
However, in Earths First Billion years and over the past 4.5 billion years, the main source of water was from comets. We know that comets consist chiefly of chemical compounds that are either gases or liquids at earth-surface conditions: methane is one common component of comets and water is another.
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Climate change is a threat to polar bears and other species that thrive on sea ice. Melting sea ice and changing precipitation patterns impact the bears’ ability to hunt and survive. In the past few decades, the number of polar bears in the Arctic region has dropped considerably. How might humans help to save these species?
Answer:
c.
Explanation:
Breed Polar bears in captivity , and then release them in the colder areas.
The colder the area the less of a chance there would be for the ice to melt fast enough sweeping away the bears shelter.
Climate change is the long-term alteration in weather patterns. It impacts the polar bears of the arctic region that can be saved by breeding them in captivity and then releasing them into their natural habitat.
What is the impact of climate change?Climate change is the pattern of the disturbance in the weather and the temperature condition of the earth and its various places. It is a result of increased global warming caused by pollution.
Climate change affects the oceans and sea by raising their temperature leading to the melting of the ice caps and glaciers. This results in habitat destruction and decreases the population of arctic animals like polar bears.
To increase the population of polar bears, humans can breed them in an artificial environment and then can release them into their natural habitat like the colder places.
Therefore, the population can be increased by breeding.
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state the effect of the heat on plastic and Alcohol
Answer: When the heat hits the plastic it starts to soften up and loose stiffness in it, but with alcohol it can cause serious consequences, drinking alcohol can cause more urination and lead to dehydration.
Explanation:
Answer:
the heat melts the plastic or softens it, which causes it to change shape.
alcohol changes taste and has a faster evaporation rate. If a person drinks warm alcohol he would start to lose more body water, he will perspire and urinate more.
;D hope this helps
John and Joshua used a light microscope to observe a plant cell. They indicated the magnification as x1000. Given the eye piece lens magnification x10. Work out the objective lens magnification.
Answer:
Objective Lens Magnification = ×100
Explanation:
In a microscope, the ocular (eyepiece) lenses are usually to a magnification of ×10, meaning that it magnifies the image 10 times. While the standard objective lenses have magnifications of ×4, ×10, ×40, and ×100.
In order to work out the total magnification, the individual magnifications of the ocular and objective lenses have to be known, after which a simple multiplication of both magnifications will give the total magnification used.
Total Magnification = (eyepiece lens magnification) × (objective lens magnification)
1000 = 10 × obejcetive lens magnification
Dividing both sides by 10
Objective lens magnification = 1000 ÷ 10 = 10
∴ Objective lens magnification = ×100
