The fission theory of the moon's origin has been criticized because...
Answers
The fission theory of the moon's origin has been criticized because the moon's composition is different from earth's.
What is the fission theoryThe theory that explains how the moon was formed is called the fission theory. It says that the moon was created when the Earth was spinning really fast and a part of it broke off and became the moon.
The conservation of angular momentum is a problem with the fission theory, which many people have criticized. To make the moon by fission, the Earth would need to spin very fast. The Earth spinning really quickly isn't explained by how we think planets form and move.
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Related Questions
why is left lung smaller than right lung
Answers
Answer:
I guess I should guess sit correct.
Explanation:
if the left lung's size is equal to the right lung's size, then there wont be any space for the heart.
so the space left on your left lung is occupied by the heart.
hope it helps :)
When does DNA replicate, or make copies of itself
Answers
If both maize and teosinte are grown in the wild, which species is more likely to proliferate? Why?
Answers
Answer:
he maize is more likely to proliferate because of the human effect.
Explanation:
If both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.
What are maize and teosinte?Maize and teosinte are both members of the grass family, but they differ in several important ways. Maize, also known as corn, is a domesticated crop that has been selectively bred over thousands of years to produce larger, more desirable ears for human consumption. Maize has a much larger ear size than teosinte, and its kernels are also larger and more closely packed together.
Hence, if both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.
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The voyage of the H.M.S Challenger was important because (1 point)
O it was a race won by Americans, to demonstrate superior sailing and ship building skills
O navigators were able to circumnavigate the globe for the first time in history, demonstrating celestial
navigation skills.
Ophysicists, chemists, and biologists conducted experiments and gathered collections that changed
exisisting scientific knowledge about the oceans.
O the first known data gathered about ocean currents and the Gulf Streams influence on weather were
documented by biologists and meteorologists.
Answers
Answer:
Physicists, chemists, and biologists, conducted experiments and gathered collections that changed exisisting scientific knowledge about the Oceans.
Explanation:
Trust in me
apply what you know about cooling rates to explain differences in crystal sizes
Answers
The rate of cooling is inversely proportional to the crystal size. The faster the cooling rate, the smaller is the crystal size and the slower the cooling rate, the larger is the crystal.
Rate of cooling can be defined as the elimination or removal of the high temperature from any object. This removal and be slow and gradual, therefore slow rate of cooling; or it cab quick and instant, therefore, fast rate of cooling.
Crystals are the solid components whose molecules are arranges in a regular fashion, giving it an ideal 3 dimensional pattern. They are symmetrical in nature. The examples of crystals are sugars, salt, etc.
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Initiation at oriC requires the sequential assembly of a large protein complex. Which of the statements regarding the establishment of the replication fork at oriC is NOT true?OriC is comprised of two types of DnaA binding sites: 9-mer, and 13-mer sites.The following proteins participate in the establishment of the replication fork: DnaA, HU, and gyrase.DnaB is a helicase that can open the strands of DNA.DnaA must be in complex with ATP in order to melt the strands at oriC.
Answers
The statement that is NOT true regarding the establishment of the replication fork at oriC is option A. "OriC is comprised of two types of DnaA binding sites: 9-mer and 13-mer sites."
In reality, oriC, the origin of replication in bacteria, contains multiple DnaA binding sites, but they are not specifically classified as 9-mer and 13-mer sites. DnaA is a protein that plays a crucial role in initiating DNA replication by binding to specific sites within oriC. These binding sites within oriC are called DnaA boxes.
The sequential assembly of a large protein complex is indeed necessary for initiation at oriC. The proteins involved in this process include DnaA, HU, and gyrase. DnaA acts as the initiator protein, HU is a nucleoid-associated protein that helps in DNA compaction and regulation, and gyrase is an enzyme responsible for DNA supercoiling.
DnaB, on the other hand, is a helicase that unwinds the DNA double helix, separating the two strands. It does not participate in the establishment of the replication fork at oriC but rather in the elongation phase of DNA replication.
For the initiation of replication, DnaA must be in complex with ATP (adenosine triphosphate). The ATP-DnaA complex binds to the DnaA boxes in oriC, causing the melting of the DNA strands and the assembly of the replication machinery, ultimately leading to the establishment of the replication fork.
In summary, while the statement about the 9-mer and 13-mer sites is incorrect, the involvement of DnaA, HU, and gyrase in the establishment of the replication fork, as well as the requirement for ATP-DnaA complex for melting the strands at oriC, are accurate aspects of the initiation process. Therefore the correct option is A.
The Question was Incomplete, Find the full content below :
Initiation at oriC requires the sequential assembly of a large protein complex. Which of the statements regarding the establishment of the replication fork at oriC is NOT true?
A. OriC is comprised of two types of DnaA binding sites: 9-mer, and 13-mer sites.
B. The following proteins participate in the establishment of the replication fork: DnaA, HU, and gyrase.
C. DnaB is a helicase that can open the strands of DNA.
D, DnaA must be in complex with ATP in order to melt the strands at oriC.
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If the dark colored peppered moths are so well hidden at the end of this experiment, why were so many (638) captured?
Answers
The experiment may have used a trapping method that was highly effective at capturing moths.
For example, sticky traps or light traps can be very effective at capturing insects, and if the experiment uses one of these methods, it could explain why so many moths were captured.
The experiment may have been conducted in an area with a high density of peppered moths. If the area where the experiment was conducted had a high population of peppered moths.
Then it would increase the likelihood of capturing a large number of moths.
It's possible that the procedure was carried out over an extended stretch of time. Moths would have more chances to be captured if the experiment was run over a few days or weeks.
It's conceivable that the researchers selected dark-colored moths specifically so they could contrast their camouflage with that of light-colored moths.
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Is peritoneal dialysis more convenient or haemodialysis???
Answers
Answer:
Explanation:
peritoneal dialysis is more convenient than haemodialysis because it include more lifestyle flexibility and independence and less restriction of diet as compared to haemodialysis
Why is flower is reproductive organ
Answers
Answer:
The primary purpose of a flower is reproduction. Since the flowers are the reproductive organs of plant, they mediate the joining of the sperm, contained within pollen, to the ovules — contained in the ovary. Pollination is the movement of pollen from the anthers to the stigma.
What is the name of the membrane that envelopes structures in the abdominal cavity?
a. Adrenals
b. Fundus
c. Pylorus
d. Epididymis
e. Mesentery
Answers
The name of the membrane that envelopes structures in the abdominal cavity is:
e. Mesentery
The mesentery is a double layer of the peritoneum that connects and supports the organs within the abdominal cavity. It helps in providing stability and allowing blood vessels, nerves, and lymphatic vessels to pass through to the organs.
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Definition Secondary consumer
Answers
Answer: secondary consumers are mostly carnivores and omnivores
Explanation:
Secondary consumers prey on other animald
In a newspaper editorial, a writer states that research on human embryonic stem cells is valuable and worthwhile. Which describes the most common argument against the writer's statement?A.In a scientific argument, some physicians argue that stem cells are not likely to be part of any beneficial application or medical treatment.B.In an economic argument, some experts argue that the benefits of stem cells are not worth the high cost of developing and implementing the research.C.In a scientific argument, some researchers argue that the goals of stem cell research would be easier to achieve by other means.D.In an ethical argument, some people argue that human embryonic cells should be protected.E.In a philosophical argument, some people argue that stem cell therapy would change the personality or identity of the person receiving it.
Answers
In my experience the answer would be:
"In an ethical argument, some people argue that human embryonic cells should be protected."
Because as with abortion, the general idea is that stem cells or embryos have life and must be protected. Therefore, there are many people against stem cell therapies. However, in the scientific community, stem cells are not considered conscious organisms.
Explain in detail why individuals vaccinated for measles do not
show symptoms (fever, tiny white spots inside mouth, skin rash)
when exposed to Rubeola virus (virus that causes measles)?
Answers
Individuals vaccinated for measles do not show symptoms (fever, tiny white spots inside mouth, skin rash) when exposed to Rubeola virus (virus that causes measles) for the following reasons.
Vaccines generally consist of weakened or dead pathogens, or parts of a pathogen that can provoke an immune response. The immune system is then stimulated to produce specific antibodies against that pathogen.However, not all antibodies produced in response to an antigen are specific to that antigen. Instead, antibodies can cross-react with other antigens. This means that antibodies produced against the measles virus may also recognize and neutralize other viruses that have a similar structure, such as the rubeola virus. The immune system of a person who has been vaccinated for measles recognizes the rubeola virus as an invader and sends white blood cells to attack it. These white blood cells can destroy the virus before it has the chance to reproduce and cause the typical symptoms of measles. Thus, vaccinated individuals do not show symptoms when exposed to the rubeola virus because their immune system is already prepared to fight the virus.Antibodies from the vaccine remain in the body for a long time and are able to protect the individual from future infections with measles or similar viruses. However, it is important to note that vaccines are not 100% effective, and some individuals may still get infected even after being vaccinated. Nevertheless, the severity of the symptoms is usually reduced, and the risk of complications is lower in vaccinated individuals compared to unvaccinated individuals. In summary, individuals vaccinated for measles do not show symptoms when exposed to the rubeola virus because their immune system has already been exposed to a similar virus and has developed the necessary antibodies to fight the infection.
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there are how many type of fertilizer
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1. Nitrogen Fertilizers: These fertilizers provide nitrogen, which is essential for plant growth and is involved in the development of foliage and green color. Examples include ammonium nitrate, urea, and ammonium sulfate.
2. Phosphorus Fertilizers: These fertilizers provide phosphorus, which is crucial for root development, flowering, and fruiting. Examples include superphosphate and triple superphosphate.
3. Potassium Fertilizers: These fertilizers provide potassium, which is important for overall plant health, disease resistance, and the development of flowers and fruits. Examples include potassium chloride, potassium sulfate, and potassium nitrate.
4. Complete Fertilizers: These fertilizers contain a balanced combination of nitrogen, phosphorus, and potassium (NPK) in varying proportions. They provide a comprehensive nutrient supply for overall plant growth and development.
5. Organic Fertilizers: These fertilizers are derived from natural sources such as compost, animal manure, and plant-based materials. They release nutrients slowly and improve soil fertility and structure.
6. Slow-Release Fertilizers: These fertilizers are designed to release nutrients gradually over an extended period, providing a controlled and sustained nutrient supply to plants.
7. Liquid Fertilizers: These fertilizers come in liquid form and are typically mixed with water for application. They offer quick nutrient uptake by plants and are often used for foliar feeding.
It's important to note that the specific types and formulations of fertilizers can vary based on factors such as plant species, soil conditions, and specific nutrient requirements. Farmers, gardeners, and agricultural experts choose fertilizers based on the specific needs of their crops or plants.
Anwser: There are two types, organic and synthetic,
Explanation: Organic fertilizers are naturally made or made with natural ingredients. Synthetic is man made and specifically designed to match the needs of each plant.
1. Complete a dichotomous key for the 10 leaves on the Common Leaves sheet. The chart provided here allows for 11 pairs of statements. Depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.
Statement Types/Dichotomous key for leaves Identification Name/Number of Leaves
Statement 1a Click or tap here to enter text.
go to statement or identify leaf Click or tap here to enter text.
Statement 1b Click or tap here to enter text.
go to statement or identify leaf Click or tap here to enter text.
Answers
This dichotomous key should help you identify the leaves on the Common Leaves sheet by asking a series of yes/no questions and directing you to the appropriate leaf based on your answers.
Sure! Here's a dichotomous key for the 10 leaves on the Common Leaves sheet:
1a. Leaves are needle-like or scale-like (go to Statement 2)
1b. Leaves are not needle-like or scale-like (go to Statement 3)
2a. Leaves are arranged in clusters (go to Statement 4)
2b. Leaves are not arranged in clusters (go to Statement 5)
3a. Leaves are broad and flat (go to Statement 6)
3b. Leaves are not broad and flat (go to Statement 7)
4a. Clusters of leaves have 2 needles (go to Leaf 1)
4b. Clusters of leaves have more than 2 needles (go to Leaf 2)
5a. Leaves are feathery and fern-like (go to Leaf 3)
5b. Leaves are not feathery and fern-like (go to Statement 8)
6a. Leaves are heart-shaped (go to Leaf 4)
6b. Leaves are not heart-shaped (go to Statement 9)
7a. Leaves have a sawtooth edge (go to Leaf 5)
7b. Leaves do not have a sawtooth edge (go to Statement 10)
8a. Leaves have rounded lobes (go to Leaf 6)
8b. Leaves do not have rounded lobes (go to Statement 11)
9a. Leaves have a waxy texture (go to Leaf 7)
9b. Leaves do not have a waxy texture (go to Leaf 8)
10a. Leaves have deeply cut lobes (go to Leaf 9)
10b. Leaves do not have deeply cut lobes (go to Leaf 10)
Leaf 1: White Pine
Leaf 2: Red Pine
Leaf 3: Maidenhair Fern
Leaf 4: Sweetgum
Leaf 5: Red Maple
Leaf 6: Sugar Maple
Leaf 7: Magnolia
Leaf 8: Dogwood
Leaf 9: Oak
Leaf 10: Ginkgo
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How much energy is passed on to each trophic level in an energy pyramid?
A.10%
B.90%
C:50%
D:80%
Answers
10% is the answer.
Explanation:
____________________
first answer will get brainliest
Answers
Answer:
calorie
Explanation:
Answer:
A-celsius
Explanation:
The specific heat capacity of a material is the energy required to raise one kilogram (kg) of the material by one degree Celsius (°C). The specific heat capacity of water is 4,200 joules per kilogram per degree Celsius (J/kg°C).
As a research scientist, you measure the amount of ATP and NADPH used by the Calvin cycle in 3 hours. You find 9,000 molecules of ATP used, but only 6,000 molecules of NADPH. Where did the extra ATP molecules come from
Answers
Answer:
The correct answer is - Cyclic flow.
Explanation:
Cyclic electrons flow pumps proton in the lumen of thylakoid towards the concentration with the help of ATP synthase. This movement produces additional ATP.
These additional ATPs are come from cyclic electron flow, during light reaction come from cyclic electron flow, during light reaction.
Which of the following explains how enzymes affect chemical reactions?
Enzymes increase the energy necessary for a reaction to occur.
Enzymes donate energy to the reactions, allowing nonspontaneous reaction to proceed forward
Enzymes allow the reactions to occur at higher temperatures with greater kinetic energy.
Enzymes lower activation energy which speeds up the conversion of reactants to products
Answers
Answer:
D
Explanation:
what do flowers and runners have in common? how are they different?
Answers
Answer:
Both flowers and runners help a plant to reproduce.
Explanation:
Both flowers and runners help a plant to reproduce. While a flower help in sexual reproduction, a runner helps in asexual reproduction.
A flower has both male and female gamete at one place. When the pollen grains with in a flower reaches the female ovary, a new seed is produced which has the potential to develop into new plant. In case of runner (which is a stem), the tip of the stem has the potential to grow into a new plant
Answer:
Both flowers and runners help a plant to reproduce
in a liver lobule blood and bile flow in opposite directions explain
Answers
In a liver lobule, blood and bile flow in opposite directions.
A liver lobule is a functional unit of the liver that consists of hepatocytes (liver cells) arranged in a hexagonal shape. It is surrounded by hepatic sinusoids, which are specialized blood vessels. The unique architecture of a liver lobule allows for the separation and independent flow of blood and bile.
Blood Flow:
The hepatic artery and portal vein bring oxygenated blood and nutrient-rich blood, respectively, into the liver lobule. This blood flows through the hepatic sinusoids, which are lined with fenestrated endothelial cells, allowing direct contact with hepatocytes. Blood flows from the portal vein towards the central vein, which is located in the center of the lobule. This direction of blood flow ensures efficient exchange of substances between the blood and hepatocytes.
Bile Flow:
Bile is produced by hepatocytes and flows in the opposite direction. Hepatocytes secrete bile into small channels called bile canaliculi. The bile canaliculi merge to form larger bile ductules, which ultimately lead to the bile ducts. Bile flows from the periphery of the liver lobule towards the central vein.
In a liver lobule, blood and bile flow in opposite directions. Blood flows from the portal vein towards the central vein through hepatic sinusoids, allowing for the exchange of substances with hepatocytes. On the other hand, bile flows from the periphery of the lobule towards the central vein through bile canaliculi and bile ductules. This arrangement ensures efficient processing of nutrients, waste elimination, and metabolic functions in the liver.
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I need help, please
Is it fair that some scientists have received more credit than others for their work on the development of the periodic table? Why or why not? Be sure to explain your reasoning, and list examples from your research.
Answers
Answer: yes, it is fair.
Explanation: because scientists worked really hard to developing the periodic, cause with out them we could not know the elements.
Why is it so important to understand marine population
Answers
What are 5 examples of biotic factors? No answer choices please help!!!
Answers
Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
Answer:
deer, rabbits, fish, elephant, bird
Explanation:
a biologist is studying how pollution affects algal growth and snail populations in a portion of lake erie. what level of the organization is she studying?
Answers
A biologist is studying how pollution affects algal growth and snail populations in a portion of lake erie. The level of the organization is she studying was the ecosystem
An ecosystem is an ecological system formed by an inseparable reciprocal relationship between living things and their environment. Ecosystems are formed from biotic and abiotic components that mutually influence each other.
The biotic component consists of all living things on this earth, including humans, animals, plants and microorganisms. While the abiotic components are all forms of inanimate objects that exist on the surface of the earth that provide benefits and also influence the life of living things. Pollution is an abiotic component that influences the biotic component, namely the growth of algae and snail populations. Therefore, it can be concluded that the researcher is studying the level of ecosystem organization because what he is studying includes biotic and abiotic components that give each other reciprocity.
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what produces the cell cycle?
Answers
Answer:
The cell cycle can be thought of as the life cycle of a cell. In other words, it is the series of growth and development steps a cell undergoes between its “birth”—formation by the division of a mother cell—and reproduction—division to make two new daughter cells.
Using what you know about coral reefs. Where else on earth (other than Australia), would you expect to find coral colonies? Why do you think this?
Answers
Answer:
Coral reefs are found in shallow water where sea surface temperatures range from 68° F to 97° F. More than 90 percent of the world's coral reefs occur in the Indo-West Pacific biogeographic region. Reef systems also can be found in the West Atlantic, East Atlantic, and East Pacific oceans between 30° N and 30° S.
The following mRNA sequence codes for the entire (although short) polypeptide. What is the most likely sequence?
5' AGU CGU GGC AUG CCU GAG CGA ACU GUA UGA ACG 3' ( can someone please explain this the answer is wrtten in the options)
Ser-Arg-Gly-Met-Pro-Glu-Arg-Thr-Val-Trp-Thr
Ser-Arg-Gly-Met-Pro-Glu-Arg-Thr-Val
Met-Pro-Glu-Arg-Thr-Val-Trp-Thr
None of the above
Answers
The most likely sequence that corresponds to the given mRNA sequence is Ser-Arg-Gly-Met-Pro-Glu-Arg-Thr-Val-Trp-Thr.
The central dogma of molecular biology states that DNA is transcribed to mRNA, which is then translated to protein. Therefore, the sequence of a protein can be deduced from the mRNA sequence that encodes it, using the genetic code. The genetic code is a set of rules that govern the translation of mRNA into protein. Each codon, a sequence of three nucleotides, corresponds to an amino acid or a stop signal.
Therefore, to determine the most likely sequence of a polypeptide that is encoded by an mRNA sequence, one needs to identify the codons that correspond to each amino acid in the sequence. For example, the mRNA sequence 5' AUG CCC UCU AGC UGA 3' corresponds to the polypeptide Met-Pro-Ser-Ser-Stop.
In the given mRNA sequence, 5' AGU CGU GGC AUG CCU GAG CGA ACU GUA UGA ACG 3', each codon can be identified and matched to its corresponding amino acid using the genetic code. The resulting sequence is Ser-Arg-Gly-Met-Pro-Glu-Arg-Thr-Val-Trp-Thr.
Therefore, the correct answer is Ser-Arg-Gly-Met-Pro-Glu-Arg-Thr-Val-Trp-Thr.
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select all components of the archaeal cell that would be found in the nucleoid.
Answers
The nucleoid is a distinct area within the cytoplasm of prokaryotic cells that consists of a dense network of fibrils or threads that are composed of deoxyribonucleic acid (DNA). In the archaeal cell, the following components can be found in the nucleoid:DNA:The DNA in archaeal cells is wound around histone-like proteins and organized into compacted loops.
Nucleoid-Associated Proteins (NAPs):Archaeal NAPs bind to the DNA and promote the formation of nucleoprotein complexes, which are essential for the folding and organization of the DNA within the nucleoid.ATP-Dependent Chromatin Remodeling Complexes:Archaeal cells have been shown to contain ATP-dependent chromatin remodeling complexes that play a role in the regulation of gene expression. These complexes work to remodel the nucleosome structure and promote DNA accessibility, allowing transcription factors and RNA polymerase to access the DNA and regulate gene expression.
In summary, the archaeal nucleoid contains DNA, nucleoid-associated proteins (NAPs), and ATP-dependent chromatin remodeling complexes. These components work together to promote the organization and regulation of gene expression within the archaeal cell.
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which type of energy is stored in chemical compounds and released in chemical reactions
Answers
Answer:
A Chemical Energy
Explanation:
Chemical energy, Energy stored in the bonds of chemical compounds. Chemical energy may be released during a chemical reaction, often in the form of heat.
Answer: chemical energy
Explanation: took the test!