Answer:
T-C-G-A-T.
Explanation:
In DNA, A pairs with T, C pairs with G. Therefore every time you see one of those, replace it with its pair!
A-G-C-T-A
T-C-G-A-T
See how each column is a pair? A-T, G-C, and so forth.
Final answer:
The complementary sequence to A-G-C-T-A as proposed by Watson and Crick's 1953 DNA model is T-C-G-A-T due to base pairing rules where adenine pairs with thymine and cytosine pairs with guanine.
Explanation:
In 1953, James Watson and Francis Crick proposed the model of DNA we use today. According to their model, the sequence of bases that would be complementary to A-G-C-T-A is T-C-G-A-T.
This is due to the base pairing rules where adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G). Thus, for each base in the original sequence A-G-C-T-A, the complementary bases are T-C-G-A-T, respectively.
According to the Linnaean classification system, if two organisms
belong to the same order, what must also hold true?
SELECT AN ANSWER
They must both belong to the same class.
They must both belong to the same family,
They must both belong to the same
kingdom and family.
They must both belong to the same genus
and class
Final answer:
In the Linnaean classification system, two organisms in the same order must also belong to the same class, as the hierarchy dictates that orders are nested within classes.
Explanation:
According to the Linnaean classification system, if two organisms belong to the same order, it must also hold true that they belong to the same class. The system organizes biological diversity into a hierarchy of categories with the kingdom being the most inclusive and species being the most exclusive. Within this hierarchy, similar species are grouped into a genus, similar genera into a family, families into orders, orders into classes, and so on up to the kingdom. If two organisms share the same order, they must also share the same class, as the order is a subset of the class.
The correct answer to the given question is that they must both belong to the same class, as classes contain orders, and therefore sharing an order implies being part of the same class in Linnaean taxonomy. To clarify further, the Linnaean system's hierarchy is as follows: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.
A zoo has two bears and the zookeepers want the bears to mate. One bear is brown (bb). The other bear is black (BB). What color offspring are they most likely to produce?
Answer:
Black
Explanation:
Because Black (B) is the dominant trait over (b) Brown and the offspring get a gene from each parent which the offspring genes will be Bb which will make it black
Brown (b) is subordinate to black (B), and the child inherits one gene from each parent, with the offspring's genes being Bb, making it black.
What is cross over?During the process of meiosis, when chromosomes of the same kind are paired up, a biological activity known as crossing over takes place. It is possible for sections of a chromosome to exchange places when two chromosomes, one from the mother and one from the father, line up in the same orientation. Although the two chromosomes contain the identical genes, it is possible that they are encoded in somewhat different ways.
Black (B) is the dominant characteristic over Brown (b), and children get a gene from each parent, with the offspring genes being Bb, which will make the offspring black. Black is the dominating trait.
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help me please! as soon as possible
The solar and other energy source will decease carbon and global warming is bad
Explanation:
How do point mutations and frameshift mutations occur?
Answer:
They occur buy inheriting them.
Explanation:If your mom dad or any family member has a mutation or frameshift mutation they can pass it to off spring so the off spring can also have that mutation or frameshift mutation.
Identifying the Functions of the Structures of the Circulatory
System
Identify the function of the labeled structures.
A
B
C
D
connects arteries and veins
brings blood back to the heart
carries blood away from the heart
pushes blood into the arteries
Answer:
A: pushes blood into the arteries.
B: brings blood back to the heart.
C: carries blood away from the heart.
D: connects arteries and veins.
Explanation:
I just took that assignment! :)
All of the body's cells receive nutrition and oxygen through the cardiovascular system, which circulates blood.
What is Circulatory system?It is made up of the blood veins that run throughout the body and the heart. Blood is transported from the heart via the arteries and returned by the veins.
The blood vascular network resembles a tree: The "trunk" or major artery (aorta) forks into substantial arteries that lead to progressively smaller blood vessels. The capillary network, a system of teeny-tiny vessels, is where the smallest arteries terminate.
The human body has two interconnected blood circulation systems rather than just one: Organs, tissues, and cells get blood from the systemic circulation in order for them to receive oxygen and other essential nutrients.
Therefore, All of the body's cells receive nutrition and oxygen through the cardiovascular system, which circulates blood.
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How can climate change be reduced by protecting the tropical rain forests 3
of the world? Explain why lush and healthy vegetation is critical for
balancing the temperature of Earth. Make sure to use "greenhouse gases".
"carbon dioxide", and "photosynthesis" in your answer.*
Explanation:
Tropical rain forests are one of the densely vegetated forests with millions of plants and animals species. The climate of the Earth is changing at an alarming rate and the scientists are appealing people to save these forests.
This could be accounted for the reason that the tropical forests have a diversity of plant species which can utilize the available carbon dioxide from the atmosphere to perform photosynthesis. This can directly reduce the carbon dioxide concentration in the atmosphere which is responsible for the greenhouse effect.
The greenhouse effect increases the temperature of the Earth as the greenhouse gases like carbon dioxide and monoxide covers the atmosphere which does not allow the sun rays to deflect back from the surface of the earth and the heat energy is trapped in the atmosphere. This heat energy is one of the causes of Global warming.
do you think lava could have formed the channel on Mars? Why or why not?
Answer:
maybe but not probable
Explanation:
Larger image Flowing lava can carve or build paths very much like the riverbeds and canyons etched by water, and this probably explains at least one of the meandering channels on the surface of Mars. ... Lava is generally not thought to be able to create such finely crafted features.
Yes, lava from ancient volcanic activity could have contributed to the formation of some channels on Mars. However, many were likely also formed by water released from beneath the Martian surface. The continuous volcanic activity in regions like the Tharsis bulge could have reshaped the Martian surface and its channels over time.
Explanation:Yes, it is possible that lava could have had a role in the formation of some channels on Mars. The volcanic plains on Mars that experienced extensive volcanic activity around 3 to 4 billion years ago, produced basaltic lavas. This period of volcanic activity corresponds to the same time as the formation of outflow channels.
Simultaneously, it's also essential to note that many of the channels are likely to have been formed by the outburst of water. Certain regions where these channels begin contained abundant frozen water. The heat, possibly related to the volcanic activity, could have released this water, leading to a period of rapid and catastrophic flooding.
Moreover, the Tharsis bulge, a massive volcanic region on Mars, appears to have been geologically active, possibly until the present era, suggesting a potential continuous reshaping of Mars surface, including its channels.
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why do you think a significant portion of the U.S. population today still doubts evolution, despite all of the evidence?
DATA TABLES: CARBON CYCLE
LESSON 3
Lesson 3:
Step 1
Biosphere Gaseous Carbon
Net Def. Rate
Soil
Terrestrial Plants
To Year
2010
2070
2090
2110
Lesson 3:
Step 2
Tundra
Melt
Rate
Gaseous
Carbon
Ocean Water
Fossil Fuels
Biosphere Gaseous
Carbon
To Year
0
Atmosphere
Ocean
Surface
Deep
Ocean
Oil and
Gas
Coal
Soil
Terrestrial
Plants
Rate
2010
2060
2110
The question refers to the carbon cycle, a biological process that transfers carbon from the atmosphere to the biosphere and back. Carbon, present in various forms, is stored in terrestrial plants, soil, and oceans. Terrestrial plants absorb carbon dioxide from the atmosphere, store carbon, and release some into the soil when they decompose.
Explanation:The question revolves around the topic of the carbon cycle, which is a vital part of Biology. It includes the transfer of carbon in various forms like carbon dioxide and organic compounds from the atmosphere to the biosphere (which includes terrestrial plants) and then back to the atmosphere. The question mentions data tables pertaining to the rates of carbon flux in different parts of the cycle, including the terrestrial biosphere and the ocean, during specific years.
The carbon cycle is the process by which carbon moves between the atmosphere, oceans, soil, and the biosphere (which includes terrestrial plants). This cycle ensures that there is a constant supply of carbon which is an essential component of life on Earth, as all living organisms contain carbon in their bodies. In the terrestrial biosphere, carbon is stored in plants, soil, and dead and decaying matter.
For example, terrestrial plants absorb carbon dioxide from the atmosphere through the process of photosynthesis and convert it into glucose. Carbon is then stored in the plants' tissues, forming parts of the terrestrial biosphere. When these plants die and decompose, some of the carbon returns to the atmosphere while some enters the soil, contributing to the soil carbon pool.
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Final answer:
The global carbon cycle involves the exchange of carbon among Earth's atmosphere, biosphere, hydrosphere, and geosphere. Human activities like fossil fuel combustion have increased atmospheric CO₂ levels, impacting the climate. Understanding this cycle is crucial for climate change mitigation.
Explanation:
The Global Carbon Cycle
The global carbon cycle describes the movement and storage of carbon through various Earth systems, including the atmosphere, biosphere, hydrosphere, and geosphere. Carbon is a fundamental building block for all living organisms and is also a key component in controlling Earth's climate. The cycle involves processes such as photosynthesis, respiration, decomposition, and the burning of fossil fuels.
Carbon reservoirs, like the atmosphere, oceans (both surface and deep), soil, and fossil fuels (oil, gas, and coal), play a crucial role in the carbon cycle. The exchange of carbon between these reservoirs occurs over various timescales, from seconds to millennia. Specifically, photosynthesis in plants draws carbon dioxide from the atmosphere, creating carbohydrates that enter the food web.
However, human activities, particularly fossil fuel combustion and deforestation, have accelerated the release of carbon into the atmosphere, leading to an increase in atmospheric CO₂ levels and contributing to global climate change. Understanding and managing the carbon cycle are critical for mitigating the impacts of climate change.
The enzyme carbonic anhydrase is a protein that binds to two small molecules: water and carbon dioxide. By holding the two molecules in the proper position, the enzyme allows the two molecules to react to form a product, carbonic acid. The enzyme then releases the product and becomes available to catalyze the same reaction once again.
How does carbonic anhydrase change the reaction between carbon dioxide and water?
A. It increases the total energy released.
B. It alters the structure of the product.
C. It decreases the activation energy.
D. It decreases the total mass of the system.
i thinks its a because it increase the total amount use or is it something else try a
carbonic anhydrase change the reaction between carbon dioxide and water C. It decreases the activation energy Therefore , C. It decreases the activation energy is correct .
The enzyme's role in this reaction is fundamental to various physiological processes within living organisms, especially in maintaining pH balance and regulating respiration.
The enzyme achieves this by providing a catalytic environment that enhances the interaction between CO2 and H2O.
When CO2 and H2O molecules come into contact with the active site of the carbonic anhydrase enzyme, the enzyme orients them in a way that makes the reaction more favorable.
It holds them in a specific configuration that lowers the energy barrier for the reaction to occur, thus reducing the activation energy needed for the conversion of CO2 and H2O into carbonic acid.
The reduction of activation energy is the key to how carbonic anhydrase changes the reaction dynamics.
By decreasing the activation energy, the enzyme significantly speeds up the rate at which the reaction occurs.
This is essential for biological processes where the timely conversion of CO2 and H2O into carbonic acid is critical for maintaining homeostasis.
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So why don’t we get pink flowers if we combine the genes of a Red Dominant flower with a white recessive flower?
Answer:
Explanation:we don’t get pink flower because the seeds can’t not get combined together
Infiltration is generally greater than Run off where the land has a
1. Gentle slope and permeable soil
2. Gentle slope and impermeable bedrock
3. Steep slope and permeable soil
4 steep slope and impermeable bedrock
Final answer:
Option 1.) Infiltration is generally greater than Run off where the land has a gentle slope and permeable soil, while it is lesser where the land has a steep slope and impermeable bedrock.
Explanation:
Infiltration is generally greater than Run off where the land has a gentle slope and permeable soil. This means that when the land has a gentle slope, it allows water to seep into the ground more easily, rather than running off the surface. Permeable soil, which has larger spaces between particles, also allows water to infiltrate more easily. On the other hand, when the land has a steep slope and impermeable bedrock, water is more likely to run off rather than infiltrate into the ground.
What is the allele frequency?
Answer:
Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population. Usually it is expressed as a proportion or a percentage. In population genetics, allele frequencies show the genetic diversity of a species population or equivalently the richness of its gene pool.
What mutation can happen to a red blood cell?
Answer:
Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells. People with two copies of the sickle cell gene have the disease.
Explanation:
Hope thia helps :)
What is the proper unit for gravitational energy
Answer:
joules
Explanation:
one of the basic units of energy.
What does a plant need to Carry out photosynthesis
Answer:
The answer is it needs four things to carry out photosynthesis chloroplast, light, water, and carbon dioxide.
What effects would El Niño most likely have on organisms?
a
El Niño would lead to the extinction of a species.
b
El Niño would lead to the death of organisms or populations.
c
El Niño would cause changes in the genetic makeup of organisms.
d
El Niño would cause continents to move to different parts of the planet.
Answer:
I believe that the answer is neither of the following options, the correct answer would be that it causes changes in weather patterns, which if you are taking the unit test in science on edge, it would be the last option. The closest answer that makes sense here would be either b or c, but I would choose "b." Don't forget to rate my opinion, say thanks, and mark me Brainliest. Have a great day!!!
El Niño would most likely lead to the death of organisms or populations.
hence the correct option here should be B
What is El Nino effect?El Nino is a climate phenomenon characterized by unusually warm surface waters in the eastern tropical Pacific Ocean.El Nino effect is caused as a result of climate change and global warming.El Nino leads to Disease outbreaks, malnutrition, heat stress, and respiratory disorders are all being exacerbated by severe drought and accompanying food insecurity, flooding, rainfall, and temperature spikes.
Hence El Niño would lead to the death of organisms or populations.
other option are incorrect because:
El Niño would not lead to sudden extinction of a species.El Niño would not cause changes in the genetic makeup of organisms. those are only caused by mutations.El Niño cannot cause continents to move to different parts of the planet.Learn more about El Niño here:
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Pead this passage
(1) For them, this government has no just powers derived
from the consent of the governed 2 For them this
government is not a democracy, it is not a republic 3) it is
the most odious aristocracy ever established on the face
of the globe (4) An oligarchy of wealth, where the rich
gover the poor an oligarchy of learning where the
educated gover the ignorant...
-Susan B. Anthony Speech After Being Connected of
Voting
Which sentence most strongly uses pathos in this passage from Susan B
Anthony's Speech After Being Convicted of Voting?
O A Serience 2
O B. Sentence 1
O C.Sentence 4
O D Sentence 3
Answer:
The answer is D
Explanation:
Sentence 3
Sentence 3 is the sentence that most strongly uses pathos in this passage.
Explanation:The sentence that most strongly uses pathos in this passage from Susan B. Anthony's Speech After Being Convicted of Voting is Sentence 3.
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Why is the American chestnut susceptible to fungus while the Asian chestnut is not, and how are scientists using this fact to help them create a solution to the problem?
The American chestnut tree is susceptible to the chestnut blight fungus while the Asian chestnut tree is not. Scientists are using backcross breeding to restore the American chestnut population by integrating the disease-resistant trait from the Asian trees. Fungus also cause serious infections in other species causing significant decline or extinction.
Explanation:The American chestnut tree is susceptible to a fungus called Cryphonectria parasitica, which causes chestnut blight. This disease is virtually absent in Asian chestnut trees, which have co-evolved with the fungus and developed a level of resistance. This resistance likely involves chemical defenses that are present in Asian species but lacking in the American species.
Scientists are leveraging this fact to help them restore the American chestnut population by using a process called backcross breeding. This involves crossing the resistant Asian chestnut with the susceptible American chestnut, and then continually crossing the offspring with American chestnuts to maintain the American chestnut characteristics while integrating the disease resistance trait from the Asian tree.
Fungi often interacts with other organisms, bearing mutualistic associations or causing serious infections. For example, fungal infections have caused significant decline in world's frog population and have killed millions of bats in the United States.
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Scientists are leveraging the natural resistance of Asian chestnut species to Cryphonectria parasitica to develop blight-resistant American chestnut trees. This involves traditional breeding methods, genetic engineering, and restoration efforts to restore the once-dominant American chestnut tree in its native ecosystems.
The American chestnut (Castanea dentata) is susceptible to a fungal pathogen called Cryphonectria parasitica, which causes chestnut blight. This fungus entered North America in the early 20th century and devastated the American chestnut population. The Asian chestnut species, such as the Chinese chestnut (Castanea mollissima), have co-evolved with Cryphonectria parasitica and developed resistance mechanisms against it. Here’s how scientists are using this knowledge to address the problem:
1. Understanding Resistance Mechanisms: By studying the genetic and biochemical mechanisms that confer resistance in Asian chestnut species, scientists can identify genes and traits that make these species tolerant or resistant to chestnut blight.
2. Breeding Programs: Scientists are using traditional breeding techniques to cross American chestnut trees with resistant Asian chestnut species. The goal is to transfer genes for blight resistance from Asian chestnuts into American chestnuts while retaining the desirable traits of the American chestnut, such as its size and timber quality.
3. Genetic Engineering: Advances in biotechnology allow scientists to directly insert genes responsible for blight resistance into American chestnut trees. This approach, known as genetic engineering or genetic modification, can potentially expedite the development of blight-resistant varieties.
4. Citizen Science and Restoration Efforts: Collaborative efforts involving citizen scientists, conservation organizations, and academic institutions aim to reintroduce blight-resistant American chestnut trees into their native habitats. These efforts also involve monitoring and evaluating the ecological impact of reintroducing genetically engineered or hybrid American chestnuts.
Solar, wind, and hydroelectric energy are examples of ________________ resources.
Answer: Renewable Resources
Explanation: The sun can be used by solar panels, wind can be used by windmills, and hydroelectric energy comes from water. All of these are renewable resources.
Explanation: renewable
Does retrovirus replicate?
Answer:Yes it does replicate, it replicates itself by first reverse-coding its genes into the DNA of the cells it infects.
Explanation:
What is the term used to describe an organism that is made up of many eukaryotic cells?
AnsweMonera, Protista, Fungi, Plantae, Animalia. An organism is made up of several eukaryotic cells and eats only dead organisms.r:
Explanation:
Oogenesis occurs in the -----
Spermatogenesis occurs in the ------?
Answer:
Oogenesis occurs in the outermost layers of the ovaries.
Spermatogenesis occurs in the seminiferous tubules of the male testes in a stepwise fashion.
Explanation:
Oogenesis and spermatogenesis are the process of formation of gametes in females and males respectively. Oogenesis takes place in ovaries in females and spermatogenesis takes place in testes in males.
What are gametes?Gametes are the cells involved in fertilization to which leads to the formation of offspring.
Gametes are formed through dividing germ cells. These cells undergo meiotic division to form gametes.
The gamete in females is ova formed in the ovaries through the process of oogenesis, whereas the sperm is the male gamete formed in testes through spermatogenesis.
Thus, oogenesis occurs in ovary and spermatogenesis occurs in testes.
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Jimmy is running laps during his physical education class. As he is running, he starts to breathe harder as
his body tries to get more oxygen. Which of the following best explains why Jimmy's oxygen requirement
increases?
A. His cells use oxygen as their primary source of energy.
B. His cells need oxygen to help break down sugars for energy.
C. His cells need oxygen to increase the levels of sugars in the blood.
D. His cells use oxygen to transport substances across their cell membranes.
Answer:
I think it is B
Explanation:
His cells need oxygen to help break down sugars for energy therefore, he starts to breathe harder.
Why do body need more oxygen during running?As the activity grows, working muscles need more and more energy, which calls for a growing quantity of oxygen. When we exercise, we breathe more to help eliminate the significant quantity of carbon dioxide (CO2) that the working muscles create.
Because of the increased cardiac output, which allows blood to flow to more alveoli (blood sacs) in the lungs, each heartbeat's enhanced force will result in a minor rise in blood pressure. More oxygen is absorbed into the blood when ventilation is increased.
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There are six elements that make up most of the human body. Which of the
following is not one of these six elements?
-
A. H
B. Cu
C. N
D. C
Answer:
B. Cu
Explanation:
Copper is not one of the six elements
How do organisms grow and repair themselves? A. Cells only divide when tissue is damaged. B. Organisms store more food to become bigger. C. Each cell keeps growing bigger. D. Cells continually divide to make more cells.
Answer:
D.
Explanation:
Cells will start to undergo mitosis to replace the damaged cells. A growing plant needs multiplying cells so the plant can get bigger.
Answer:
D. cells continually divide to make more cells
Explanation:
I tried to explain, but for some reason brainly thought I had used an inappropriate word
what movement causes day and night on earth
Answer:
The earths rotation
Explanation:
as the earth rotates on its axis it causes day and night
Please help ASAP , I don’t understand this at all
What role do decomposers play in the carbon and nitrogen cycles?
• They recycle nutrients from dead organisms back into the environment
• They produce nutrients for the environment
• They gain energy from the sun
• They are predators that eat small prey to balance the food chain
Answer:
A
Explanation:
Decomposers play a significant role in the carbon and nitrogen cycles, recycling nutrients from dead organisms back into the environment. They transform carbon and nitrogen in deceased organisms, making these elements available for plants and other organisms.
Explanation:Decomposers, which include organisms like bacteria and fungi, break down dead organic matter into simpler inorganic substances, thereby releasing carbon and nitrogen back into the environment. In the carbon cycle, for example, decomposers transform the carbon present in dead organisms into carbon dioxide, which is then used by plants in photosynthesis. In the nitrogen cycle, decomposers convert the unused nitrogen in dead organisms and animal waste into nitrates which plants can absorb and use.
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Question
Type your response in the box.
Galactosemia is an inherited genetic condition. Children with this condition cannot break down the sugar galactose,
which is part of lactose. Based on the pedigree chart, is this condition a dominant or a recessive disorder? Explain
your reasoning.
unaffected
carrier
father
unaffected
carrier
mother
unaffected wont be the victims. the carrier and the father would be best but the carrier and the mother then all of them will be unaffected if it is cured?