Answer:
In disproving the theory of spontaneous generation
Explanation:
contradicted the accepted belief in spontaneous generation
Sea anemones are predatory invertebrates with stinging tentacles that can paralyze many sea animals. The clownfish is immune to the sting of the sea anemone and actually lives among its tentacles. The relationship is mutually beneficial—the clownfish often lures meat-eating animals over to the anemone, and the anemone benefits from the meal. The clownfish often gets to eat leftovers from the anemone’s meal.
When the clown fish is ready to lay eggs, it lays them near a sea anemone. How’s this a reproductive strategy?
The clownfish's reproductive strategy of laying eggs near a sea anemone is a form of protection and survival for its offspring.
By laying their eggs in close proximity to the sea anemone, the clownfish provide their eggs with a safe place to develop. The sea anemone's tentacles are a powerful defense mechanism that can fend off potential predators that may try to harm or eat the eggs.
In addition to protection, the clownfish also benefit from the relationship with the sea anemone during the reproductive process. The anemone provides a clean surface on which the eggs can be attached and also helps to oxygenate the surrounding water, which is important for the development of the eggs.
The anemone's tentacles also help to keep the eggs free of harmful parasites and fungi. Overall, the clownfish's reproductive strategy of laying eggs near a sea anemone is a mutually beneficial relationship that helps to ensure the survival of the clownfish offspring.
The protection and benefits provided by the sea anemone help to increase the chances of the eggs hatching successfully, resulting in a higher survival rate for the next generation of clownfish.
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The two kinds of cells are Prokaryotes and Eukaryotes. How are they
different? *
O Prokaryotes have a nucleus.
OEukaryotes have a nucleus.
O Prokaryotes are plant cells
оThere is no difference.
genetically modified (GM) crops are foods that have had their genomes modified, allowing humans
Genetically modified (GM) crops are foods that have had their genomes modified, allowing humans to insert some specific traits into the crop to make it resistant to pests.
What is the significance of GM crops?GM crops are widely used in modern agricultural practices to improve crop yield and reduce the use of pesticides and herbicides, but their use is also a controversial issue, and some people are concerned about their potential impact on the environment and human health.
Hence, genetically modified (GM) crops are foods that have had their genomes modified, allowing humans to insert some specific traits into the crop to make it resistant to pests.
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Part A
Which Of The Following Student-Drawn Cell Models Contain Two Chromosomes? Select All That Apply.
Answer:
the last one , the second to last one and the first one I am pretty sure
A, C and D are the student-Drawn Cell Models that Contain Two Chromosomes.
Every cell in your body has DNA, which is the form in which your genetic code is stored. It creates your body's manual of operations. Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule.
A chromosome is referred to be a "homologous chromosome" if it has a similar genetic makeup but also includes replication-induced variations. Sister chromatids are the two halves of a certain chromosome that are joined at the centromere. Chromosomes known as "replication chromosomes" arise after the cell has undergone the process of DNA replication to prepare for cell division.
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a diploid cell has how many chromosomes relative to a haploid cell
Answer:
A diploid human cell has 46 individual chromosomes, or 23 pairs. A haploid human cell has 23 individual chromosomes.
What is full form of ELISA?? Where it is used for ?¿
What would most likely result if mitosis was NOT followed by cytokinesis?
Answer:
If cytokinesis was skipped, Cells would have too many chromosomes; cells wouldn't function properly because they would be too big.
A car starts from rest and gains a velocity of 20 m/s in 10 s. Calculate acceleration and average velocity.
The acceleration of the car is 2 m/s².
The average velocity of the car is 2 m/s.
How to calculate acceleration ?The equation acceleration = (final velocity - beginning velocity) / time can be used.
Given:
Initial velocity (u) = 0 m/s (since the car starts from rest)
Final velocity (v) = 20 m/s
Time (t) = 10 s
Using the formula, we can substitute the values:
acceleration = (20 m/s - 0 m/s) / 10 s
acceleration = 20 m/s / 10 s
acceleration = 2 m/s²
Therefore, the acceleration of the car is 2 m/s².
You can use the following equation to determine the average velocity: average velocity = total displacement / total time.
The initial position and the final position are identical since the automobile begins at rest. As a result, the displacement and the ultimate position are equal.
Given:
Displacement = 20 m
Time (t) = 10 s
Using the formula, we can substitute the values:
average velocity = 20 m / 10 s
average velocity = 2 m/s
Therefore, the average velocity of the car is 2 m/s.
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Plz help.
There has been much controversy on immunizing children (vaccinating them), especially in regards to autism. This has led to the reappearance of sometimes deadly diseases, suck as measles and mumps. What is your opinion? Should children be vaccinated against diseases or not? Write 1-2 complete sentences, stating your opinion and at least one fact-based reason baking your decision.
Answer:
Children should be vaccinated Beacuse,death rates for children who dont get vaccinated go down, and less children get diseases.
Explanation:
Would that work?
Answer:
I think that this is not accepted. This could hurt the world's population.
Explanation:
Please mark as brainliest.
Explain how carbon and energy are transferred within and between organisms and their environment in the carbon cycle.
Answer:
Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.
Explanation:
hope this helps
Which of the following can bones store for later use by the body?
blood cells
cartilage
minerals
marrow
Answer:
minerals
In addition to its mechanical functions, the bone is a reservoir for minerals (a "metabolic" function). The bone stores 99% of the body's calcium and 85% of the phosphorus. It is very important to keep the blood level of calcium within a narrow range.
What other things could we have extracted DNA from instead of the plant materials?
We have extracted DNA from plant materials such as tissue samples, spinach, green pea pods, papaya seeds, strawberries, banana flesh, chicken liver, etc.
What is the method of DNA isolation?DNA isolation can be carried out by different methods such as the Phenol-chloroform method, salting out and proteinase K method, an adsorption method, etc.
DNA isolation requires a series of steps that are followed up as per the protocol. It involves various techniques like centrifugation, pipetting, etc.
DNA can also be extracted from the roots of the plants, as well as the disruption of leaves completely.
Therefore, it is well described above.
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Write a question to match this answer:
6 boxes of 12
Answer:
The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles
Explanation:
mark me brainly
Answer:
The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles. How many truffles did she buy?
Which substance's cycle can be disrupted by the addition of fertilizer and can result in eutrophication?nitrogenwateroxygencarbon
Excessive addition of fertilizers to the soil causes the fertilizer to accumulate because it cannot be fully used by the plants. When this happens, rainfall can wash this fertilizer into bodies of water such as lakes.
The fertilizer apports a lot of nutrients (including nitrogen) to the water bodies stimulating the growth of algae. Then the algae consume the oxygen of the lake and also prevent the sunlight to pass impairing the survival of other organisms and plants, even, the decomposition of the dead algae can stimulate the growth of pathogenic microorganisms, affecting the health of the animals in the lake. This is the process called eutrophication.
Because nitrogen is the main nutrient in fertilizers that cause eutrophication, the cycle that is disrupted is the nitrogen cycle.
what are the english units of measurement
What volume percent of the liquid you skimmed into your test tube is oil? (show a ratio value if
you have it) ____________________________
How did you arrive at this answer? _________________________________________________
______________________________________________________________________________
Maybe once you start answering other people's questions correctly, you might get the answer that you want!
Best regards,
your friend
;)
Answer:
mhm
Explanation:
You earn $17.50/hr and work 40 hr/wk. Your deductions are FICA (7.65%), federal tax withholding (12.3%), and state tax withholding (6.2%). Your housing and fixed expenses are 30% of your realized income per month. You want to save 5 months' worth in an emergency fund within a year. How much do you need to save per month to fund the emergency fund?
Answer:
So, you need to save approximately $258.60 per month to fund your emergency fund within a year based on the given information.
Explanation:
Let's break down the steps to calculate the amount you need to save per month to fund the emergency fund:
Step 1: Calculate your total deductions
Your deductions include FICA (7.65%), federal tax withholding (12.3%), and state tax withholding (6.2%). To calculate the total deductions, we add these percentages:
Total deductions = FICA + federal tax withholding + state tax withholding
Total deductions = 7.65% + 12.3% + 6.2%
Total deductions = 26.15%
Step 2: Calculate your net income per hour
Your net income per hour is the hourly rate minus the total deductions:
Net income per hour = Hourly rate - Total deductions
Net income per hour = $17.50/hr - 26.15%
Net income per hour = $17.50/hr - $4.57/hr
Net income per hour = $12.93/hr
Step 3: Calculate your monthly realized income
Your monthly realized income is the net income per hour multiplied by the number of hours you work per week and the number of weeks in a month:
Monthly realized income = Net income per hour x Number of hours per week x Number of weeks per month
Monthly realized income = $12.93/hr x 40 hr/wk x 4 wk/month
Monthly realized income = $2,068.80/month
Step 4: Calculate your housing and fixed expenses
Your housing and fixed expenses are 30% of your realized income per month:
Housing and fixed expenses = 30% x Monthly realized income
Housing and fixed expenses = 30% x $2,068.80
Housing and fixed expenses = $620.64/month
Step 5: Calculate the total amount needed for the emergency fund
You want to save 5 months' worth of expenses in an emergency fund within a year. So, the total amount needed for the emergency fund is:
Total amount needed for emergency fund = 5 x Housing and fixed expenses
Total amount needed for emergency fund = 5 x $620.64
Total amount needed for emergency fund = $3,103.20
Step 6: Calculate the amount to save per month
To calculate the amount you need to save per month to fund the emergency fund, divide the total amount needed by the number of months in a year:
Amount to save per month = Total amount needed for emergency fund / Number of months in a year
Amount to save per month = $3,103.20 / 12
Amount to save per month ≈ $258.60
So, you need to save approximately $258.60 per month to fund your emergency fund within a year based on the given information.
ASAP When ______ is hydrolyzed, it forms _______. A. protein, amino acids B. ATP, ADP C. polysaccharide, monosaccharide D. lipid, triglyceride
Answer:
The answer is ATP, ADP
Explanation:
When protein is hydrolyzed, it forms amino acids. Thus, the correct option is A.
What is Hydrolysis?Hydrolysis may be defined as a chemical process that utilizes the molecules of water that involve the chemical breakdown of a compound.
Amino acids are the monomers of protein. These amino acids are linked together by peptide bonds. But the process of hydrolysis breaks the peptide bond between the amino acid sequences and released them significantly in free form.
Therefore, when protein is hydrolyzed, it forms amino acids. Thus, the correct option is A.
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For this discussion post, I read the article “A creator of ‘CRISPR babies’ nears release from prison, where does embryo editing stand?
This article explained how biophysicist He Jiankui, who used the genome editor CRISPR to create the world's first genetically engineered babies, may be released from prison this week.
His November 2018 announcement about gene editing was well received. Still, Fyodor Urnov sees no circumstance that would justify efforts to modify babies genetically. Urnov supports using CRISPR to fix disease-causing mutations after birth. The work has proceeded with little notice, and oversight measures to stop rogue experiments like He's have stalled. A study showed how CRISPR could get rid of a newly fertilized egg of an extra copy of a chromosome. This problem can lead to Down syndrome and other medical conditions. The initial concerns about designer babies centered on CRISPR's sloppiness. But a study of CRISPR-altered human embryos found 16% had these "unintended editing outcomes" at the targeted DNA, and genetic screening of edited IVF embryos might not catch these errors. Stem cell researcher Dietrich Egli hopes to find a way to start and stop CRISPR at the embryo's single-cell stage. In a preprint posted on bioRxiv on 10 March, Egli's group demonstrated a strategy for trisomy, an errant third chromosome, by targeting an extra paternal or maternal chromosome copy with a CRISPR cut at or near its centromere.
If CRISPR does not correct the trisomy in all of the cells in an early embryo, a natural "rescue mechanism" might eliminate the abnormal cells. However, there are still multiple obstacles to overcome. Researchers are trying to use CRISPR to edit human embryos but need help beyond science. Editing the DNA of egg or sperm precursor cells may avoid some of these hurdles, improving the odds of getting it right. Orwig's team is exploring a different route to creating edited sperm stem cells by reprogramming adult human cells into a stem cell state and trying to coax them partly down the pathway that produces sperm. However, reprogrammed adult cells only survive when placed into newborn animals, which is unrealistic for humans. Scientists say the increased awareness of CRISPR's shortcomings has underscored the recklessness of transplanting edited embryos with today's technology. Still, some scientists are openly advocating for the practice.
find something interesting and 1-2 questions about the summary
One interesting aspect of the article is the discussion around using CRISPR to edit disease-causing mutations after birth, rather than in embryos.
What is the authenticity if genetically modifying babies ?Fyodor Urnov supports this approach and believes that there is no circumstance that would justify modifying babies genetically. This raises the question of whether there is a moral or ethical line that should not be crossed when it comes to genetic modification of humans, even if it is done to prevent or treat disease.
Another interesting point is the potential use of CRISPR to edit the DNA of egg or sperm precursor cells to avoid some of the hurdles of editing embryos. This raises the question of how this approach would be implemented and regulated, as it involves altering the genetic material of potential future offspring before they are even conceived.
Overall, the article highlights the ongoing debate and ethical considerations around the use of CRISPR for genetic modification in humans, as well as the need for continued research and oversight to ensure that any such use is safe and ethical.
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Describe ways companies, or individual employees can manage their stress so that they can invest in their future well-being.
Answer
Workload, lack of job security, and personnel problems gang up on and overwhelm employees, dragging down their satisfaction levels. In fact, the negative consequences from stress are so strong that it has been declared a World Wide Epidemic by the World Health Organization.Explanation:u got this
What uses bacteria to copy DNA?
O A. Nuclear transfer
O B. Gel electrophoresis
O C. Recombinant DNA technology
O D. Polymerase chain reaction
Answer:
C.
Explanation:
The method that uses bacteria to copy DNA is recombinant DNA Technology. To copy the DNA, the recombinant DNA method uses bacteria such as E. Coli whose plasmids are combined with various gene to produce the substance that is wanted.
Polymerase chain reaction uses bacteria to copy DNA.Therefore, the correct option is D.
What is polymerase chain reaction?Polymerase Chain Reaction is a laboratory technique used to amplify a specific DNA sequence, making many copies of it. The process involves repeated cycles of heating and cooling a reaction mixture containing the DNA template, primers, and a heat-stable DNA polymerase enzyme.
The DNA polymerase enzyme used in PCR is derived from a bacterium called Thermus aquaticus, which can withstand the high temperatures used in the reaction. By copying the DNA sequence multiple times, PCR enables researchers to study and analyze small amounts of DNA, such as those obtained from crime scenes or ancient fossils.Therefore, the correct option is D.
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Which process produces a phase change for water molecules? What is the factor that drivers this process?
Explanation:
I think this is the answer i try to do it
Lab 9: Kingdom Plantae (12 Points) Introduction Plants are defined as multicellular eukaryotes with cell walls made of cellulose. Nearly all of them contain chlorophyll and carry out photosynthesis. Being photoautotrophs, plants can make all their own organic molecules. All they need is energy from light, carbon from carbon dioxide, water, and various elements (like N, P, K, Ca, and Mg). Water can be absorbed into a plant by osmosis, but it can only travel a few cells away from a source. In order to transport water long distances, some groups of plants have specialized tissues (vascular tissue). Plants without vascular tissues must live in wet areas and cannot grow very tall. Consult the plant lecture, slides, and links on Canvas for more information on defining features of plants and groups of plants. Part 1: Comparing major groups of plants Within the plant kingdom, biologists separate plants into four major groups: bryophytes (mosses and llverworts), pteridophytes (ferns), gymnosperms (conifers), and anglosperms (flowering plants). The separations are primarily based on anatomical structures, particularly the ones they use to transport water in their bodies, and on the different ways in which plants reproduce sexually. **What to submit for this activity** Use the information from lectures, the textbook, and any other sources of your choice to fill out the table comparing the four major groups of plants. Submit your completed table as part of what you upload to the Canvas lab assignment for this week. (5 Points) What are one or more examples? Do they have vascular tissue (xylem and phloem)? Which part of the life cycle/generation is more dominant in structure? (Gametophyte or Sporophyte?) What other characteristics can help you identify this group? (List at least 2 or more) Mosses and liverworts (Bryophytes) Ferns and relatives (Pteridophytes) Conifers (Gymnosperms) Flowering plants (Angiosperms)
Mosses and liverworts (Bryophytes):
- Example: Mosses (e.g., Sphagnum moss) and liverworts (e.g., Marchantia)
- Vascular tissue: No true vascular tissue (lack xylem and phloem)
- Dominant structure: Gametophyte generation is more dominant in structure
- Other characteristics:
1. Lack of true roots, stems, and leaves; instead, they have rhizoids.
2. Reproduce via spores and require water for fertilization.
Ferns and relatives (Pteridophytes):
- Example: Ferns (e.g., Polypodium) and horsetails (e.g., Equisetum)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Reproduce via spores produced in structures called sporangia.
2. Exhibit well-developed leaves called fronds and often have underground stems (rhizomes).
Conifers (Gymnosperms):
- Example: Conifers such as pine trees (e.g., Pinus) and spruces (e.g., Picea)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce seeds in cones.
2. Typically have needle-like or scale-like leaves and are often evergreen.
Flowering plants (Angiosperms):
- Example: Flowering plants include roses (e.g., Rosa), sunflowers (e.g., Helianthus), and oak trees (e.g., Quercus)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce flowers for sexual reproduction.
2. Seeds are enclosed within fruits.
3. Have a wide range of forms, from small herbs to large trees.
Please note that the examples provided are just a few representatives of each plant group, and there are many more species within each group.Mosses and liverworts (Bryophytes):
- Example: Mosses (e.g., Sphagnum moss) and liverworts (e.g., Marchantia)
- Vascular tissue: No true vascular tissue (lack xylem and phloem)
- Dominant structure: Gametophyte generation is more dominant in structure
- Other characteristics:
1. Lack of true roots, stems, and leaves; instead, they have rhizoids.
2. Reproduce via spores and require water for fertilization.
Ferns and relatives (Pteridophytes):
- Example: Ferns (e.g., Polypodium) and horsetails (e.g., Equisetum)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Reproduce via spores produced in structures called sporangia.
2. Exhibit well-developed leaves called fronds and often have underground stems (rhizomes).
Conifers (Gymnosperms):
- Example: Conifers such as pine trees (e.g., Pinus) and spruces (e.g., Picea)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce seeds in cones.
2. Typically have needle-like or scale-like leaves and are often evergreen.
Flowering plants (Angiosperms):
- Example: Flowering plants include roses (e.g., Rosa), sunflowers (e.g., Helianthus), and oak trees (e.g., Quercus)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce flowers for sexual reproduction.
2. Seeds are enclosed within fruits.
3. Have a wide range of forms, from small herbs to large trees.
Please note that the examples provided are just a few representatives of each plant group, and there are many more species within each group.
The largest endocrine gland (s) that makes 3 hormones that affect the metabolism is the: *
A. pituitary gland
B. thyroid gland
C. pancreas
D. adrenal gland
Answer:
The largest endocrine gland (s) that makes 3 hormones that affect the metabolism is the: thyroid gland.
The largest endocrine gland that makes three hormones that affect metabolism is the Pancreas. Thus, the correct option for this question is C.
What do you mean by Endocrine Gland?An endocrine gland may be defined as a type of gland which consists of several organs that make hormones and release them directly into the blood so they can travel to tissues and organs all over the body. These hormones control many important functions in the body, including growth and development, metabolism, and reproduction.
The pancreas is the largest endocrine gland that significantly makes three hormones namely, Insulin, Glucagon, and Somatostatin. These hormones are actively involved in the regulation of metabolism by numerous mechanisms.
For example, insulin lowers the level of sugar in the blood, while glucagon increases the level of sugar by transforming its storage form.
Therefore, the largest endocrine gland that makes three hormones that affect metabolism is the Pancreas. Thus, the correct option for this question is C.
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In the diagram below, which organelle is the cell nucleus, which stores the
cell's genetic material?
Answer:
Answer is B
Explanation:
The genetic material of the cell is generally stored in the nucleus of the cell. The B structure in the diagram shows the nucleus which is the main location of storage of genetic material.
What is genetic material?Genetic material is the substance in the cell nucleus that is responsible for heredity. It can be DNA in many organisms and in some organisms, it can be RNA also.
The genetic material of the cell is generally stored in the nucleus of the cell.
The B structure in the diagram shows the nucleus which is the main location of storage of genetic material.
Thus, the correct option is B.
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Why is burning fossil fuels not considered carbon neutral
Answer:
Maybe this will help
Explanation:
Burning either fossil fuels or biomass releases carbon dioxide (CO2), a greenhouse gas. However, the plants that are the source of biomass for energy capture almost the same amount of CO2 through photosynthesis while growing as is released when biomass is burned, which can make biomass a carbon-neutral energy source.
What does an autotroph do?
Answer: An autotroph is an organism that can produce its own food(using light), water, and carbon dioxide
neurons from all over the cerebral cortex send axons to the brainstem and spinal cord. considering what you know about how the telencephalon develops into the mature brain, which of the following describes a possible path that an axon could take from the occipital cortex to the pons?
Directly from the telencephalon to the diencephalon, followed by the midbrain, the pons, and lastly the hindbrain. The pons is the location where the cerebellum gathers all information entering or leaving it.
The cerebral cortex, limbic forebrain regions, basal ganglia, and olfactory system are the four main parts of the telencephalon. The cerebral cortex, basal ganglia, hippocampal formation, amygdala, and olfactory bulb all originate from the telencephalon. For instance, sensory neurons deliver information to the brain from the skin, nose, ears, mouth, and eyes. From the brain, motor neurons send signals to the rest of the body. The area of the developing brain closest to the front is called the telencephalon. It develops from the prosencephalon along with the diencephalon.
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explain biological hotspot
A biodiversity hotspot is a natural ecosystems that are largely intact and where native species and communities associated with these ecosystems are well represented.
Answer:
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation.
Explanation:
have a nice day.
in a cladogram-
A. the most ancient organism, called the origin, are found at the very base of the tree diagram
B. The closer the branch point is to an organism, the more related those organisms are
C. neither A nor B are true
D. both A and B are true
Answer:
its A
Explanation: its a