Answer:
chromosomes
Explanation:
that is what your genes are located in
Order the phases of mitosis. Lesson link: https://k12inc-my.sharepoint.com/:o:/g/personal/jallison_azva_org/ErVbzwNtpQJFq-kBjktQoeIBcHCndieeBRv2QfJ2cQq-YQ?e=aZtiso Question 7 options: Anaphase Prophase Metaphase Telophase
Answer:
prophase, metaphase, anaphase and telophase
A new planet is discovered orbiting a star with a mass 3. 5'1031 kg at a distance of 1. 2 '1011 m. Assume that the orbit is circular.
What is the orbital speed of the planet? (G = 6. 673' 10-11 N·m2/kg)
The orbital speed of the planet is approximately [tex]\(4.20 \times 10^3 \, \text{m/s}\).[/tex]
The orbital speed of a planet or satellite refers to the speed at which it revolves around a central body in a circular orbit. To calculate the orbital speed, we can use the formula:
[tex]\[ v = \sqrt{\frac{G \cdot M}{r}} \][/tex]
where:
- [tex]\( v \)[/tex] represents the orbital speed,
- [tex]G[/tex] is the gravitational constant (approximately [tex]\(6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2\)),[/tex]
- [tex]M[/tex] is the mass of the central body (such as a star) around which the planet orbits,
- [tex]r[/tex] is the distance between the planet and the central body.
By plugging in the appropriate values into this formula, we can calculate the orbital speed. The square root ensures that the speed is positive and represents the magnitude of the velocity.
To calculate the orbital speed of the planet, we can use the formula for the orbital speed of a satellite in a circular orbit:
[tex]\[ v = \sqrt{\frac{G \cdot M}{r}} \][/tex]
Where:
[tex]\( v \)[/tex] is the orbital speed of the planet,
[tex]\( G = 6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2 \)[/tex] is the gravitational constant,
[tex]\( M = 3.5 \times 10^{31} \, \text{kg} \)[/tex] is the mass of the star,
and [tex]\( r = 1.2 \times 10^{11} \, \text{m} \)[/tex] is the distance between the planet and the star.
Plugging in these values into the formula, we get:
[tex]\[ v = \sqrt{\frac{(6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2) \cdot (3.5 \times 10^{31} \, \text{kg})}{(1.2 \times 10^{11} \, \text{m})}} \][/tex]
Evaluating the expression, we find:
[tex]\[ v \approx 4.20 \times 10^3 \, \text{m/s} \][/tex]
Therefore, the orbital speed of the planet is approximately [tex]\(4.20 \times 10^3 \, \text{m/s}\).[/tex]
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How do we know that food isn't causing the population growth?
Whichof the following techniques was used to create the Flavr Savr tomato? (1 Point)
a. Geneknockout
b. Transgenic technology
d. Antisense RNA
e. Stem cell technology
The Flavr Savr tomato was produced using genetic engineering methods. A gene construct incorporating the 35S promoter of the cauliflower mosaic virus and a full-length PG cDNA in reverse orientation was introduced into tomato plants to create antisense RNA. Hence (a) is the correct option.
Through transformation mediated by Agrobacterium, the construct was incorporated into the tomato genome. The kanamycin-resistance gene was employed to enable scientists identify plants with the genes effectively inserted during the development of the tomato. Genetic engineering is the method utilised to produce the Flavr Savr tomato. Flavr Savr is produced via an agrobacterium system. The PG-Gene's antisense RNA has been implanted, and this is the foundation of the method.
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Which of the following techniques was used to create the Flavr Savr tomato? (1 Point)
a. genetic engineering.
b. Transgenic technology
d. Antisense RNA
e. Stem cell technology
people who take antibiotics are always told to complete the treatment rather than stop taking the medication when they feel better suggest two reasons why people are given this advice
Answer:
- Helps ensure that all of the illness-causing bacteria are killed or prevented from multiplying
- Helps prevent superbugs (bacteria that are immune to the antibiotic)
Answer:
it is to kill all the bacteria completely
and
to make sure that the person is completely healed because if the stop the treatment after a while the illness may come back with full force and this time to kill
Type _ blood is the universal donor
Type _ blood is the universal recipient
Answer:
Type O- blood is the universal donor
Type AB- blood is the universal recipient
Identical rock types, identical fossils, and very similar mountain ranges are found on different continents that are
separated by a wide ocean. Which of these best explains these observations?
A Organisms traveled between these continents on land bridges.
B The same forces erode mountains in different locations.
These continents were joined together at one time in the past.
Some rock types are very common and are found everywhere.
Answer:
These continents were joined together at one time in the past
Explanation:
i think
Answer:
download home work app you will get answer from their
fuels such as gasoline are nonpolar and have high potential energy because they are largely composed of
Fuels such as gasoline are nonpolar and have high potential energy because they are largely composed of hydrocarbons.
What are hydrocarbons?
Hydrocarbons are compounds that consist of hydrogen and carbon atoms. They can be either aliphatic or aromatic. Aliphatic hydrocarbons are straight chains, branched chains, or cyclic chains, while aromatic hydrocarbons have a ring of atoms, usually carbon but sometimes other elements such as nitrogen or oxygen, with alternating double bonds. Hydrocarbons are non-polar and are therefore hydrophobic, which means they are not soluble in water.
Fuels such as gasoline have high potential energy because the hydrocarbons they are composed of have strong carbon-carbon and carbon-hydrogen bonds. These bonds contain a significant amount of energy that is released when the fuel is burned.
Gasoline is a mixture of hydrocarbons, including small molecules like methane (CH4) to large molecules like octane (C8H18). The potential energy of gasoline is due to the large number of carbon-hydrogen bonds in these hydrocarbon molecules, which are a highly stable form of chemical energy. When gasoline burns, these bonds break, releasing the stored energy in the form of heat and light.
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¿De qué manera participa el sistema glandular en la regulación del equilibrio del agua y las sales minerales en el organismo?
should animals be cloned? there are both benefits and dangers to cloning animals.T/F
True, there are both benefits and dangers to cloning animals. Animal cloning is the process of creating an exact genetic replica of an animal by reproducing its DNA through biotechnology.
In other words, it is producing a genetically identical copy of an animal. Despite the many benefits, there are also some dangers that come with the cloning of animals.
Benefits of animal cloning
1. Preservation of endangered species
2. Enhanced research opportunities
3. Greater agricultural efficiency
4. Improvement of food quality
5. Rapid production of transgenic animals
Dangers of animal cloning
1. Reduction of genetic diversity
2. Increased risk of genetic abnormalities
3. Ethical concerns
4. Reduced lifespan and aging at an accelerated rate
5. Potential health risks.
There are also potential dangers to the environment and its ecosystem.
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a+population+of+mice+is+in+h-w+equilibrium.+sampling+techniques+count+16%+of+the+organisms+are+homozygous+recessive.+what+percent+are+homozygous+dominant
Total, 6% of the organisms in the population are homozygous dominant.
In a Hardy-Weinberg equilibrium, the frequency of alleles remains constant from generation to generation. The Hardy-Weinberg equilibrium equation states that the frequencies of genotypes in a population can be expressed as;
p² + 2pq + q² = 1
where;
p = frequency of the dominant allele
q = frequency of the recessive allele
Given that 16% of the organisms are homozygous recessive (q² = 0.16), we can calculate q;
q² = 0.16
q = √0.16
q ≈ 0.4
Since p + q = 1, we can calculate p;
p = 1 - q
p = 1 - 0.4
p ≈ 0.6
To determine the percentage of individuals that are homozygous dominant (p²), we can square the value of p and multiply by 100;
Homozygous dominant percent = p² × 100
Homozygous dominant percent = (0.6)² × 100
Homozygous dominant percent ≈ 36%
Therefore, approximately 36% of the organisms in the population are homozygous dominant.
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--The given question is incomplete, the complete question is
"A population of mice is in Hardy-Weinberg equilibrium. sampling techniques count 16% of the organisms are homozygous recessive. what percent are homozygous dominant."--
Which graph best represents directional selection?
Answer:
Graph Bedge⬇️
2. Prokaryotes differ from eukaryotes by all of the
following characteristics EXCEPT:
A. kinds of nucleotides in their DNA
B. structure of their flagella
C. structure of their plasma membranes
D. structure of their chromosomes
E. methods of cell division
Answer:
C. structure of their plasma membranes
Explanation:
hope it helps
All of the following functions occur in the stomach in the presence of protein, EXCEPT: (a) G-cells secrete gastrin (b) Chief cells secrete pepsin (c) enteric neuron is activated (d) All the answers are true (e) Parietal cells secrete H natio
Regarding functions occurring in the stomach in the presence of protein: All the answers are true, option d is correct.
G-cells secrete gastrin: Gastrin is a hormone that stimulates the release of gastric acid and enhances gastric motility, which aids in protein digestion.
Chief cells secrete pepsin: Pepsin is an enzyme released by chief cells that breaks down proteins into smaller peptides, facilitating their digestion.
Enteric neuron is activated: The enteric nervous system controls various digestive functions, including the regulation of gastric acid secretion and muscle contractions in the stomach. In the presence of protein, the enteric neurons are activated to coordinate these processes.
Parietal cells secrete HCl: Parietal cells are responsible for secreting hydrochloric acid (HCl) into the stomach. HCl creates an acidic environment that helps activate pepsin and facilitates protein digestion, option d is correct.
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Choose the mole-mole factors for the following equation. 4P(s) +502 (s) → 2P2O5 (s) P and O₂ Submit Part E P and P2O5 Submit Part F 5 moles P 4 moles Og 4 moles P 5 moles Og O2 and P2O5 1 mole P 2 moles 02 Request Answer and and Request Answer and 1 mole P 4 moles P₂O5 2 moles P 4 moles P₂O5 4 moles P 2 moles P₂O5 2 moles 0₂ 7 moles P205 5 moles O₂ 2 moles P₂O5 2 moles 0₂ 5 moles P₂O5 4 moles Og 5 moles P 5 moles Os 4 moles P 2 moles O₂ 1 mole P and and and and and and 4 moles P205 1 mole P 4 moles P2O5 2 moles P 2 moles PO. 4 moles P 7 moles P₂O5 2 moles O₂ 2 moles P₂O, 5 moles O₂ 5 moles P2O5 2 moles O₂
4 moles P: 2 moles P2O5 and 5 moles O2: 2 moles P2O5 option (d) are the correct mole-mole factors for the given equation.
The mole-mole factors for the equation
4P(s) + 5O2(g) → 2P2O5(s)
are as follows:
4 moles P: 2 moles P2O5
5 moles O2: 2 moles P2O5
Balanced chemical equation:
4P(s) + 5O2(g) → 2P2O5(s)
The mole-mole factors are the stoichiometric coefficients of the given balanced chemical equation.The given equation represents the reaction between P (solid) and O2 (gas) to form P2O5 (solid). Therefore, the mole-mole factors for the equation are:4 moles P: 2 moles P2O55 moles O2: 2 moles P2O5. Therefore, option (d) 4 moles P: 2 moles P2O5 and 5 moles O2: 2 moles P2O5 are the correct mole-mole factors for the given equation.
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Chapter 21.1 Review
1. What characteristics of living things do viruses have?
2. Compare and Contrast How is viral reproduction different from that of cell-based organisms?
Answer:
1. Living characteristics of viruses include the ability to reproduce – but only in living host cells – and the ability to mutate.
2.Viruses cannot reproduce independently; cell-based organisms can reproduce independently.
Which of the four learning styles is associated with
learning through the visual presentation of material in a written
format.
a.
Visual/Graphic
b.
Auditory/Verbal
c.
Tactile/Kinesthetic
d.
Read/Write
Animals with which type symmetry 'conquered' the land?
Select the reasons that explain why marine plastics are such a major problem. Plastic can harm marine life through entanglement or ingestion. Bacteria that cling to the plastisphere are dangerous to human health. The large amount of plastic pollution interferes with human fishing activities. Plastic particles in the oceans attract and adsorb toxic chemicals, which could end up in food products. The plastic reacts with the ocean water and increases its acidity.
Marine plastics are a major problem due to several reasons. These include the following:Plastic can harm marine life through entanglement or ingestion. This is because the marine animals mistake the plastic for food and ingest it, leading to a wide range of health problems and even death. Additionally, plastic waste floating on the ocean's surface poses a threat to seabirds, turtles, and marine mammals, which can become entangled in it and lose their mobility.
Bacteria that cling to the plastisphere are dangerous to human health. The plastisphere is a thin layer of bacteria and other microorganisms that cling to floating plastic debris. This bacterium is harmful to human health and can cause diseases such as cholera, E. coli, and other infections when consumed in contaminated seafood.The large amount of plastic pollution interferes with human fishing activities. Plastic waste floating on the ocean's surface interferes with fishing activities. It causes significant damage to nets and other fishing gear, reducing the fishing industry's productivity and profits.
Plastic particles in the oceans attract and adsorb toxic chemicals, which could end up in food products. These toxic chemicals include pesticides, polychlorinated biphenyls (PCBs), and other chemicals that could have serious health implications when consumed by humans. The plastic particles that adsorb these chemicals are often ingested by marine animals and end up in the food chain.The plastic reacts with the ocean water and increases its acidity. As plastic waste breaks down in the ocean, it releases chemicals that acidify seawater.
This is harmful to marine life, especially those with shells or exoskeletons, and can lead to a significant decline in the ocean's biodiversity.
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By making plants that are insect-resistant and herbicide-tolerant there has been
a. in increase in yield of approximately 35%.
b. in increase in yield of approximately 50%.
c. in increase in yield of approximately 25%.
d. in increase in yield of approximately 15%.
By making plants that are insect-resistant and herbicide-tolerant, there has been an increase in yield of approximately 25%. The correct option is c. in increase in yield of approximately 25%
Insect-resistant and herbicide-tolerant crops have become increasingly important in agriculture. With genetically modified organisms (GMOs), scientists are trying to improve plant performance and resilience to pests and diseases by using a variety of techniques that do not occur naturally in conventional breeding.Insect-resistant and herbicide-tolerant crops have been found to result in a yield increase of approximately 25%. Plant breeding can result in genetic changes that improve resistance to diseases, pests, and environmental stressors, among other things.Plants that are insect-resistant and herbicide-tolerant can help farmers reduce their dependence on pesticides and herbicides. Instead of relying on harmful chemical treatments, these farmers can use crops that have been engineered to resist pests and tolerate herbicides without harming the environment.
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The above pedigree shows
Answer:
Hi how are you doing today Jasmine
Which of the following steps happens first during transcription?
A. RNA polymerase reaches the end of the gene.
B. RNA polymerase reaches the beginning of a gene.
C. RNA polymerase pulls apart the double helix.
D. RNA polymerase produces mRNA from DNA.
The correct option for the given question about Genetic transcription is Option B) RNA polymerase reaches the beginning of a gene.
What is Genetic Transcription?It is one among the initial steps in the expression of genes. The transport of genetic information from DNA to proteins occurs sequentially through the processes of transcription and translation. During transcription, just one strand of DNA known as the template strand is replicated, and the resulting RNA is referred to as messenger mRNA.Transcription's primary goal is to create an RNA copy from a DNA sequence. The data required to encode a protein is carried by the RNA transcript.RNA polymerase is the key enzyme responsible for Genetic transcription.It creates a complementary RNA strand from single strand DNA.
Thus we conclude that during the first step of genetic transcription RNA polymerase reaches the beginning of a gene.
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Answer: B <3
Explanation:
Inside a seed the new sporophyte is a(n)
A. Embryo.
B. Cotyledon.
C. Pollen.
D. Endosperm
Inside a seed, the new sporophyte is an embryo. An embryo is a fertilized egg that has developed into a multicellular organism but is not yet able to survive on its own outside the seed.
The embryo is the seed's primary growth stage. The embryo is encased in the endosperm or cotyledon, which offers nutrition to the plant until it has grown enough to develop roots and leaves.The two primary groups of plants are angiosperms and gymnosperms. Angiosperms have seeds that are enclosed inside an ovary. The ovary matures into a fruit after the fertilization of the egg. On the other hand, Gymnosperms have seeds that are not enclosed in a fruit, for instance, the conifers. Instead, they are carried in cones.
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what do you understand by the description of drosophila as a genetic ""work horse""?
The term "workhorse" is often used to describe Drosophila (fruit flies) in the field of genetics. It refers to the fact that Drosophila has been extensively used as a model organism in genetic research for over a century.
Some reasons why Drosophila is considered a genetic workhorse:
Genetic Advantages: Drosophila has a short life cycle, which allows for rapid breeding and generation turnover. They produce a large number of offspring, enabling researchers to study multiple generations in a relatively short period. Additionally, fruit flies have a relatively small genome compared to other organisms, making it easier to analyze and understand their genetic makeup.Genetic Tools: Drosophila has a wide range of well-established genetic tools and techniques available for research. These include the ability to induce mutations, perform genetic crosses, and generate transgenic flies with specific genetic modifications. These tools allow scientists to manipulate and study specific genes and their effects on traits or biological processes.Similarity to Higher Organisms: While fruit flies may seem quite different from humans, they share many fundamental genetic and biological processes. Many genes and pathways found in Drosophila have homologs or equivalents in higher organisms, including humans. Studying these processes in fruit flies can provide insights into similar processes in other organisms, including humans.Phenotypic Traits: Drosophila exhibits a wide range of observable traits and characteristics that can be easily studied and analyzed. These traits can include eye color, wing shape, behavior, and development. The ability to observe and quantify these traits facilitates genetic studies and allows researchers to investigate the genetic basis of various characteristics.Established Research Community: Drosophila has a long history of genetic research, and there is a well-established and collaborative scientific community dedicated to studying fruit flies. This community has developed extensive resources, databases, and shared knowledge that make working with Drosophila more accessible and efficient for researchers.Overall, the term "genetic workhorse" highlights the significant contributions that Drosophila has made to our understanding of genetics and biological processes. Its genetic advantages, tools, similarities to higher organisms, observable traits, and supportive research community have established Drosophila as a powerful model organism for genetic research.
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HELP HELP ASAP!!!!!
Describe the air in the North and South Poles versus the equator, including the density, temperature, & pressure.
Answer:
the more north or south you go of the equator the more cold, more dense, and more pressure
the temperature at the equator is higher, less density in the air, and less pressure because of the heat
hope this helped!
1
What theory explains how the plates of the Earth are continually moving?
A
The Continental Drift Theory
B
The Theory of Evolution
C
The Plate Tectonic Theory
D
The Big Bang Theory
Answer:
A
Explanation:
A student is given a tissue sample to examine under a microscope . Which of the following would be evidence that the tissue sample she's examining is from a plant?
1. Prokaryote , cell wall
2.Eukaryote, cell membrane, presence of mitochondria
3. Prokaryote , cell membrane , presence of a flagellum
4. Eukaryote , cell wall , presence of chloroplasts
What is one negative effect of human influence on cycles of matter?
a. Decreased soil nitrogen due to the harvesting of crops
b. Decreased amount of carbon in the atmosphere due to deforestation
c. Reased global warming due to the use of alternative energy sources
d. Reased amount of water that is available to freshwater ecosystems
One negative effect of human influence on cycles of matter is decreased soil nitrogen due to the harvesting of crops. Nitrogen is one of the main nutrients needed for the growth of plants. The soil nitrogen is cycled between the atmosphere.
Human activities such as farming, agriculture, and industrialization have increased the amount of nitrogen in the environment and led to pollution. Some of the nitrogen-based fertilizers used in agriculture can cause eutrophication, which is the excessive growth of algae in water bodies due to the overuse of nutrients.
The increased amount of nitrogen in the soil can cause the soil to lose its fertility, leading to decreased crop yields. The depletion of nitrogen in the soil can also reduce the quality of the soil and negatively impact the ecosystem as a whole.
Therefore, it is essential to take necessary measures to avoid excessive depletion of soil nitrogen to maintain the fertility of the soil and avoid environmental pollution. These measures can include the use of natural fertilizers, crop rotation, and the use of nitrogen-fixing crops, such as legumes, to restore soil nitrogen levels.
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Plants and animals have a mutualistic relationship. Explain how.
Answer:
They connect through a cycle
Explanation:
Both plants and animals can be a food source for animals. Plants also create an environment so that animals can live with less complications
Fill in the blank
DNA IS NOT “TURNED ON” ALL OF THE _____ IN ALL OF THE CELLS.