The majority of snakes, like many other animals, are diploid, meaning they have two sets of chromosomes in their cells - one set inherited from each parent.
If the snakes have 36 chromosomes in each cell, then they have a total of 2 x 36 = 72 chromosomes in their diploid cells.
Gametes, on the other hand, are haploid, meaning they contain only one set of chromosomes. This is because during the process of meiosis, the number of chromosomes is halved, resulting in four daughter cells with only one set of chromosomes each.
Therefore, the number of chromosomes in the gamete of a snake would be 36, which is half the number of chromosomes in their diploid cells.
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Sponges are some of the simplest animals on Earth. Why do they fit the definition of animals? Why are sponges
different from plants or fungi?
Answer:
cause the sponge eat phytoplankton and zooplankton.
Explanation:
The zooplankton count as an animal, a plant can't eat an animal that's why the sponge count as an animal.
Which of the following describes a virus?
A. A virus does not have a cell wall, nucleus and eats.
B. A virus has cell, a nucleus and does not eat.
C. A virus does not eat, use energy or have cells.
D. A virus does not have cell, produces carbon dioxide and uses oxygen.
The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.
Answer:
A
Explanation:
A virus has no nucleus or cell wall but it eats.
when testing a new​ treatment, what is the difference between statistical significance and practical​ significance? can a treatment have statistical​ significance, but not practical​ significance?
When testing a new treatment, statistical significance and practical significance are two important concepts to consider.
Statistical significance refers to the likelihood that the results obtained in a study are not due to chance. It is determined through statistical tests and indicates whether there is a significant difference between groups being compared. In other words, it tells us if the observed results are likely to occur due to the treatment and not random variation.
Practical significance, on the other hand, focuses on the real-world impact or importance of the results. It considers whether the observed difference is meaningful or substantial enough to have practical value. While statistical significance looks at the probability of results occurring by chance, practical significance looks at the clinical or practical relevance of those results.
It is possible for a treatment to have statistical significance but not practical significance. This can happen when a study's sample size is large enough to detect even small differences, leading to statistical significance, but the observed difference is not significant enough to have a meaningful impact in the real world. For example, a treatment might show a statistically significant improvement in a disease, but the actual improvement might be so minimal that it does not make a noticeable difference in a patient's quality of life.
In summary, statistical significance indicates the likelihood of results occurring by chance, while practical significance evaluates the real-world importance or impact of those results. A treatment can have statistical significance without practical significance if the observed difference is not meaningful in a practical sense.
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Elizabeth has always believed that people’s thoughts can help heal them. She wants to help people use positive thinking to positively affect their illnesses. What type of psychology would be MOST appropriate for Elizabeth to study? A. human factors psychology B. industrial psychology C. health psychology D. sports psychology
Answer:
health psychology
hope it is helpful to you
In what way do adaptations help the survival of a species?
A. They ensure that many alleles are passed on.
B. They increase the genetic diversity of the species.
C. They prevent reproduction from happening.
OD. They reduce the number of alleles.
SUI
Answer:
they increase the genetic diversity of a species
what airway supplies air to a single bronchopulmonary segment of the lung? multiple choice question. secondary bronchus tertiary bronchus bronchiole primary bronchus
The primary bronchus supplies air to a single bronchopulmonary segment of the lung. The option d is correct.
The primary bronchus is a large airway that branches off from the trachea and divides into secondary and tertiary bronchi. The secondary bronchi then divide into tertiary bronchi and then further into bronchioles, which are the smallest branches of the airways.
The secondary bronchi and tertiary bronchi supply air to two and three bronchopulmonary segments, respectively .
The respiratory system is responsible for breathing and oxygen transport to the body's cells. Oxygen is required for the metabolic process that happens in the body's cells. The respiratory system comprises several organs, including the lungs, bronchi, trachea, alveoli, and nose. The primary function of the respiratory system is to transport oxygen into the body and expel carbon dioxide. The process of respiration comprises several steps, including inhalation and exhalation. Oxygen is carried to the body's cells via the bloodstream, while carbon dioxide is released into the atmosphere through exhalation.
Therefore, The primary bronchus is the largest of these airways and supplies air to a single bronchopulmonary segment of the lung .Hence, option d is correct.
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which respiratory structure has only simple squamous epithelium lining its mucosa?
Answer:
Alveolus
Explanation:
What is greatly affected by atmospheric pressure?
which term is best described as the production of proteins based on the cell's genetic information?
transcription
Gene synthesis
Gene repression
gene expression
Transcription is best described as the production of proteins based on the cell's genetic information.
What is transcription?
Transcription is the process of turning a segment of DNA into RNA. DNA segments that have been translated into RNA molecules that can encode proteins are known as messenger RNA (mRNA). When extra DNA segments are translated into RNA molecules, non-coding RNAs are created (ncRNAs). Just 1% to 3% of all RNA samples contain mRNA. Human genome coding vs. non-coding DNA analysis reveals that while at least 80% of mammalian genomic DNA can be actively translated (in one or more types of cells), the majority of this 80% is non-coding RNA (ncRNA), while less than 2% of the mammalian genome can be actively translated into mRNA.
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Answer: Gene expression
what is the common method to prevent diseases class 9
An arid region with few plants describes which climate or biome? Options: chaparral tundra desert rainforest
the answer is dessert
Lactose (milk sugar) is a carbohydrate
that is formed by combining galactose and glucose.
Which term best describes this molecule?
ESHTE
O monosaccharide
O disaccharide
O monomer
O starch
Answer:
Lactose is a disaccharide.
Becoz it consists of two components
Answer:
it is B
Explanation:
List these in order from biggest to smallest
DNA
Cell
Nucleus
Chromosome
Gene
Answer:
Cell
Nucleus
Chromosome
Gene
DNA
23) What happened to the earth's first
atmosphere?
A) destroyed by large meteor impact
B) absorbed by oceans
C) blown off by solar winds
D) destroyed by volcanic activity
The right response is D) a result of volcanic action.
The primary elements in the first atmosphere of the Earth were hydrogen and helium. However, volcanic action resulted in the release of significant quantities of gases like sulfur dioxide, carbon dioxide, nitrogen, and water vapor.
A new atmosphere was produced as a result of these chemicals slowly building up in the atmosphere. Other gases, like methane and ammonia, were also produced by volcanic activity and were broken down by chemical reactions and the energy from sunlight.
As a consequence, new compounds that weren't in the initial atmosphere were produced, like oxygen. Therefore, the Earth's first atmosphere was altered by volcanic action, resulting in the atmosphere we have today.
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Which of the following is NOT a reason scientists write reports?
A. To share their finding with other scientists, and to make the scientific community, and sometimes the whole world, aware of any advances in science that could help society
B. To give others the chance to repeat a scientist's experiment to see if the conclusion can be verified
C. To help other researchers by suggesting new questions for them to answer
D. To share their feelings about a particular topic
Answer:
D.
To share their feelings about a particular topic
Explanation:
The statement that does not represent a reason for scientists to write reports is as follows:
To share their feelings about a particular topic.Thus, the correct option for this question is D.
What is a Scientific report?A Scientific report may be defined as a type of document that significantly illustrates the process, progress, and outcome of technical or scientific research or the state of technical or scientific research problems.
Scientists are not determined in order to share their feelings about a particular topic in written form. Actually, they write reports in order to share their finding with other scientists, give others the chance to repeat a scientist's experiment, and help other researchers by suggesting new questions for them to answer.
Therefore, the correct option for this question is D.
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if a person is homozygous for the a32 allele of the ccr5 gene, how many of the four daughter cells produced by meiosis will have the a32 allele
If an individual is homozygous for the a32 allele of the ccr5 gene, all four daughter cells produced by meiosis will carry the a32 allele.
Meiosis is the process by which cells undergo two rounds of cell division to form gametes (sperm or eggs), and during this process, homologous chromosomes separate.
Since the individual is homozygous for the a32 allele, both copies of the ccr5 gene in the homologous chromosomes will carry the a32 allele.
As a result, all four daughter cells produced by meiosis will receive one copy of the homologous chromosome with the a32 allele, resulting in all four daughter cells having the a32 allele
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what is tRNA involved in? replication, transcription, or translation.
Where is the retina located?
Retina is location along the back of an eye (Option D)
Hope that this was helpful :)
The Rio Grande Valley is located at the southern tip of Texas at the end of a long
river known as the Rio Grande.
Location of the Rio Grande Valley
Rio Grande
Gulf of
Mexico
Rio Grande
Valley
How did the delta at the end of the Rio Grande form?
Answer: Sand and mud from the Gulf of Mexico were washed ashore by tsunamis.
What are the three responses from a vaccine?
Which of the following words, if it replaced "radically" in the second sentence above, would CHANGE the meaning of the sentence?
A. thoroughly
B. beneficially
C. drastically
Question #2: Read the section "Umbrella Species."
Why do scientists define these species with the term "umbrella"?
A. because they are also keystone species
B. because they protect other species
C. because they cover large areas
Question #3: Read the paragraph from the section "Predators."
Lacking a top predator, elk populations in Yellowstone exploded. Elk herds competed for food resources, and plants such as grasses and reeds did not have time or space to grow back. This hurt populations of other species, such as fish, beaver and songbirds. These animals rely on plants and their roots, flowers, wood and seeds for survival.
How does this paragraph contribute to the entire article?
A. by illustrating the effects of removing a keystone species
B. by introducing the causes of harm to plants and animals
C. by emphasizing the comparison between carnivores and herbivores
Question #4: Read the section "Ecosystem Engineers."
What does this section show that other sections do NOT?
A. how the removal of a keystone species can affect others
B. how adding species to an area can have negative effects
C. how species can help us understand changes in an environment
Answer:
Answer #1
C. drastically
Answer #2
B. because they protect other species
Answer #3
A. by illustrating the effects of removing a keystone species
Answer #4
C. how species can help us understand changes in an environment
Explanation:
Here are brief explanations for each answer:
Question #1
"Drastically" implies a sudden and dramatic change, whereas "thoroughly" and "beneficially" do not necessarily suggest such a significant alteration. Therefore, if "drastically" were replaced with "thoroughly" or "beneficially," the meaning of the sentence would not be altered significantly.
Question #2
"Umbrella species" are used to protect other species because their protection automatically extends to many other species that share the same habitat. Thus, the term "umbrella" is used to signify the protective coverage that extends to a broad range of species, much like an umbrella provides shelter for multiple people.
Question #3
The paragraph illustrates the impact of the removal of a keystone species on the entire ecosystem. The example of the elk population explosion in Yellowstone shows how the absence of a top predator can have negative effects on other species in the ecosystem, such as plants, fish, beavers, and songbirds. This paragraph serves as an illustration of the importance of keystone species and how their removal can disrupt the balance of an ecosystem.
Question #4
The section "Ecosystem Engineers" focuses on how certain species can affect their environment in significant ways, and how these effects can be used to understand changes in the ecosystem. This section is unique because it discusses how species can change their environment, whereas the other sections focus on the effects of the environment on species.
the site of enzyme synthesis in cell is:
a) lysosomes b) smooth endoplasmic reticulum
c) Golgi bodies d) ribosomes
The site of enzyme synthesis in a cell can vary depending on the specific enzyme and the cell type. In general, enzyme synthesis occurs in the cell's ribosomes, which are responsible for protein synthesis. Ribosomes can be found in the cytoplasm of the cell, where they synthesize enzymes and other proteins based on the instructions provided by the cell's DNA.
However, it's critical to note that not all enzymes are synthesized in the cytoplasm. Some enzymes are synthesized in specialized organelles within the cell, such as the endoplasmic reticulum (ER) or mitochondria. The ER is involved in the synthesis of various proteins, including some enzymes destined to be secreted or inserted into cell membranes. The mitochondria, known as the powerhouses of the cell, also have ribosomes and are involved in the synthesis of certain enzymes required for cellular respiration.
In summary, enzyme synthesis primarily occurs in the ribosomes, which are present in the cytoplasm of the cell. However, depending on the specific enzyme and its destination, synthesis may also occur in other organelles such as the endoplasmic reticulum or mitochondria.
If 60 people were surveyed, how many people voted for wind
in which of the cultures was the concentration of toxins the highest? in which of the cultures was the concentration of toxins the highest? control peptide 1 peptide 2 peptides 1 2
the cultures was the concentration of toxins the highest is Control.
What can you say about the connection between toxicity and culture?Over the spectrum of culture densities studied, there is a linear correlation between culture depth and toxin secretion.Significant amounts of poison are secreted by cultures were grown at high density.
Of these, which one is not a transmembrane receptor?If this is on the nucleus but not the plasma membrane, it serves as an intracellular receptor.
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Which of these best describes savannas?
Answer should be A if multiple choice
Answer: sry but I don't think you added any thing but, it has little tofs of grass and pretty dry.
A scientist wishes to test a new type of adhesive to connect two metals together. He tests his hypothesis that the new adhesive works better than existing treatments by applying the adhesive to the two metals, sticking them together and seeing how long they stick. He performs this test on his new adhesive, records the time and then reports the results. What is missing from his experimental design?
Answer and Explanation:
The scientific method is a research method used to produce knowledge. It consists of systematic observations, measures, experimentation, analysis, and verification of a hypothesis. It is based on two aspects: reproducibility (the capability of reproducing the experiment in any other place by any researcher) and refutability (susceptibility to be refused).
There are different steps to follow in a scientific method:
• Definition and problem statement. The question for which there is not an answer yet.
• Hypothesis formulation.
• Data collection and analysis. This step involves testing the observations.
• Results
• Verification of the hypothesis. This step involves the acceptance or rejection of the working hypothesis.
• Conclusions and Discussion.
In the exposed example:
Let us imagine that the scientist only wants to evaluate the performance of the new adhesive connecting only two previously determined metals: Metal A and metal B. Let us also assume that there is only one exhisting adhesive, apart from the new one that is being tested. Finally, we might also assume that he has already done bibliographic research to know better about the requirements for adhering metals and the properties of the adhesive material needed to do so. The problem might have been related to the need of getting a better adhesive.
Hypothesis: "the new adhesive works better than existing treatments"Treatment: applying the adhesive to the two metals, sticking them together and seeing how long they stickData collection and analysis: He performs this test on his new adhesive, records the timeResults obtention and reportThe scientist did not perform the experiment with the existing adhesive. The scientist did not compare the performance of the previously existing adhesive to the new one.
The scientist should have performed the experiment with two treatment groups:
Treatment Group one: applying the existing adhesive to the metals A and B, sticking them together and seeing how long they stickTreatment Group two: applying the new adhesive to the metals A and B, sticking them together and seeing how long they stickThe scientist also should have repeated the treatment at least two or three times for each group.
Finally, the scientist should have compared results between the performance of the two adhesives before reporting them.
Eric is hanging a rectangle mirror that has a diagonal of 47 inches with an angle of depression of 60°. How many square inches is the mirror? (round to nearest tenth)
A) 956. 5 in2
B) 1,104. 5 in2
C) 1,365. 5 in2
D) 1795. 5 in2
Given that Eric is hanging a rectangle mirror that has a diagonal of 47 inches with an angle of depression of 60°. We are supposed to calculate the area of the mirror.
Let's draw the diagram for this question:From the diagram we can see that the given rectangle is being divided into two right \(triangles\). And the given angle is the angle of depression which can be written as the angle of elevation of the person who is standing on the ground. The diagonal of the rectangle can be calculated as follows: If we consider a right triangle, one leg of the triangle is the length of the rectangle and the other leg is the width of the rectangle. And the diagonal of the rectangle is the hypotenuse of the right triangle using Pythagoras theorem we get:
Width2 + Length2 = Diagonal2Length2 = Diagonal2 - Width2Length = √(47² - 36²)Length = √(2209 - 1296)Length = √913Length = 30.19 inches Let's calculate the height of the rectangle: If we consider the right triangle with the angle of 60 degrees, the opposite side to the angle of 60 degrees is the height of the rectangle. And we have hypotenuse and we can use trigonometry formula to find the height.Height = Hypotenuse * sin(60)Height = 47 * sin(60)Height = 47 * 0.866Height = 40.75 inchesNow, we can calculate the area of the rectangle using the following formula: Area = length * widthArea = 30.19 * 40.75Area = 1231.2425 inches^2
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Drag each word or phrase into the correct location to tell if it describes coconut coir logs,
jetties, or both. (2 points)
jetties
:: biodegradable
coconut coir logs
:: allow for plant growth
shoreline structures
both
:: can be built farther out into ocean
::protect shorelines
Sediment control items created from organic, natural coconut are called coir logs or coir wattles. Since vegetation's roots help to stabilize the soil, this is crucial for erosion control.
How does erosion happen?In order for dirt to be exposed the strong winds, heavy rains, and rushing water, it must be covered. Sometimes, human activities—particularly farming and clearing land—leave soil susceptible to erosion.
What harms result from erosion?If the site is unsuitable for construction and urban developments cross existing drainage systems, they may severely exacerbate soil erosion. The natural drainage of the environment is impeded by mining and exploration activities, which can result in streams becoming eroded and silted.
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Which two sentences best explain what happens to energy in this
ecosystem?
A. Energy is lost as it flows through the links in a food chain.
B. Energy is gained as it flows down the pyramid.
C. Each organism gains energy from its surroundings.
D. Each organism loses energy as body heat.
Answer:
A. Energy is lost as it flows through the links in a food chain.
D. Each organism loses energy as body heat.
how can having a large population keep the population in hardy weinberg equilibrium
The Hardy-Weinberg equilibrium is a theoretical model that describes genetic makeup of a population in equilibrium. Equilibrium is maintained by the balance of five factors: mutation, selection, migration, genetic drift, and random mating.
How can having large population keep the population in Hardy Weinberg equilibrium?One of the factors that can prevent the population from deviating from Hardy-Weinberg equilibrium is large population size. This is because in large population, effects of genetic drift are greatly reduced. Genetic drift is the random fluctuation of allele frequencies that occur in small populations and can lead to a deviation from Hardy-Weinberg equilibrium.
In a large population, any random fluctuations in allele frequencies are likely to be small and quickly counterbalanced by large number of individuals carrying different alleles. So, large population reduces the chance of genetic drift and thus maintain the equilibrium.
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