Explanation:
the lower power will focus betterthan the high magnification
Select one insect from each column below. Research each insect, then compare and contrast the life cycles. You will need to write your observations and thoughts down. Be sure to include and describe each stage of development. Your observations, descriptions, and thoughts should be at least 150 words in length. Write your answers in the essay box below.
Incomplete Metamorphosis Complete Metamorphosis
grasshopper butterfly
dragonfly ladybug
cicada housefly
cockroach honeybee
The research is on Honey Bee. See the essay below.
The Honey BeeThe honeybee undergoes complete metamorphosis, consisting of four stages - egg, larva, pupa, and adult. The queen bee lays eggs in hexagonal cells of the beehive.
After a few days, the eggs hatch into larvae.
The larvae are fed royal jelly by worker bees and undergo multiple molting stages. They then enter the pupa stage, where they form a cocoon within the cell. Inside the cocoon, they undergo significant transformations and develop into adult bees.
Finally, they emerge as fully developed adult honeybees ready to perform their roles in the hive.
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Suggest two reasons why healthy volunteers are used in Phase 1 clinical trials
Answer:
Healthy volunteers in phase 1 clinical trials are used for the development of safe drugs and other biologics by accepting the possibility of risks from study participation without anticipated health benefits from the investigational products. The incidence of serious adverse events is low.
You’ve found some fossil bones while digging in your backyard. could they be dinosaur bones? using carbon dating, you determine that 3% of the original radioactive carbon-14 is still radioactive. (the rest has decayed into nitrogen-14.) how many half-life cycles has it gone through? approximately half-life cycles.
Since 3% of the original radioactive carbon-14 is still radioactive, the carbon-14 radioisotope has undergone five half-lives.
What is Half-Life?Half-life of a substance is the time it takes for half the original amount of the substance to decay.
Radioactive elements decay spontaneously according to their half-lives.
Since 3% of the original radioactive carbon-14 is still radioactive, the number of half-lives undergone is determined as follows:
After one Half-Life, 50% remains
After two half-lives, 25% remains
After three half-lives, 12.5% remains
After four half-lives, 6. 25% remains
After five half-lives, 3.125 % remains.
Therefore, the carbon-14 radioisotope has undergone five half-lives.
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Answer: 5 Half Life Cycles
Explanation: edg 2023
Based on your plotted data in the chart, how many "types" of foram fossil species do you see existing after 66mya in this example?
*I couldn't put the answer on one of the other posts but its 4 that's all this is. We're supposed to look at the top of the graph not the bottom.
Based on the plotted data on the chart, we can see that there are four "types" of foram fossil species that exist after 66mya in this example. Foram fossils species have undergone different developments and diversification throughout the history of earth.
These species are important for the reconstruction of ancient environments. The chart represents the diversity of foram species over time. The X-axis represents time, and the Y-axis represents the number of species. The chart shows that the number of foram species has increased since their origin. The maximum number of species occurs around 50 mya, which is the Eocene period.
Then, the number of species gradually decreases to the present day. There are four types of foram fossil species that exist after 66mya in this example, and their names are: Discorbis, Globorotalia, Globorotalia truncatulinoides, and Globigerina.
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In the question, the student is expected to analyze a chart representing foram species fossils post 66 million years ago and count the 'types'. The student correctly identified four types from the presented data, demonstrating a good grasp of data analysis in geological time frames, relevant in the biology field.
Explanation:Based on your question, it appears that you are studying fossil records of foram species after the Late Cretaceous period (66 million years ago). The plot or chart in your dataset provides a visualization of foram species over time. Essentially, you're asked to analyze and count how many types of foram fossil species exist post 66mya from your presented data.
If the answer you've given is correct - that there are four types of foram species after 66 mya - you've done an excellent job in analyzing the data. It's important to remember that graphs are visual representations of data, in this case, showing species survival over time. So, when analyzing, pay close attention to the time frame, the indicated 'types' and the specific markers representing foram species on the graph.
This type of science investigation is prevalent in the field of biology, especially in paleontological studies exploring ancient life forms and extinction events. Always cross verify your insights with available resources and your educator to ensure the correctness of your interpretation.
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What causes an earthquake to happen?
Answer: the tectonic plates
Explanation:
6. What is the relationship between genes and alleles?
Answer:
A gene is a unit of hereditary information. Except in some viruses, genes are made up of DNA, a complex molecule that codes genetic information for the transmission of inherited traits. Alleles are also genetic sequences, and they too code for the transmission of traits. So, what it is the difference between a gene and an allele? The short answer is that an allele is a variant form of a gene.
Explanation:
best australian animal?
Answer:
Koala, Tasmanian devil, quokka, kangaroo and platypus! i feel as if they are the best:>
Explanation:
Which two body systems are interacting in the diagram?
Answer:
Where is the diagram pls?
Ben measures the height of two bottles. One is 12 centimeters and the other is 15 centimeters. In millimeters what is the difference of the two heights
The difference in height between the two bottles is 30 millimeters.
To calculate the difference in height between the two bottles in millimeters, we need to convert the heights from centimeters to millimeters and then subtract one from the other.
First, we convert the height of the first bottle from centimeters to millimeters. Since there are 10 millimeters in a centimeter, we can multiply the height of 12 centimeters by 10 to get the height in millimeters:
12 centimeters * 10 millimeters/centimeter = 120 millimeters.
Next, we convert the height of the second bottle from centimeters to millimeters using the same conversion factor. We multiply the height of 15 centimeters by 10:
15 centimeters * 10 millimeters/centimeter = 150 millimeters.
Now that we have both heights in millimeters, we can calculate the difference. We subtract the height of the first bottle from the height of the second bottle:
150 millimeters - 120 millimeters = 30 millimeters.
Therefore, the difference in height between the two bottles is 30 millimeters.
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Most of the rocks in Earth's crust are silicates.Silicates contain combinations of silicon dioxide (SiO₂) and various other
minerals. Why does that make sense given the percentages of elements
available within the Earth system?
1 Heat Fle
The abundance of silicates in the Earth's crust is due to the prevalence of silicon and oxygen in the Earth system.
Silicon is the second most abundant element in the Earth's crust after oxygen, making up approximately 28% of its composition. Meanwhile, oxygen makes up approximately 46% of the Earth's crust.
The combination of silicon and oxygen forms the basic building block of silicate minerals, which account for more than 90% of the Earth's crust. Silicates can contain other minerals, such as aluminum, magnesium, potassium, and sodium, among others, which further increase their diversity.
The abundance of silicon and oxygen in the Earth's crust is a result of the planet's formation. When the Earth was formed approximately 4.5 billion years ago, it went through a process called differentiation. This process caused the heavier elements, such as iron and nickel, to sink to the core, while lighter elements, including silicon and oxygen, remained in the outer layers of the planet.
Over time, the Earth's crust has undergone a variety of geological processes, including weathering, erosion, and metamorphism, which have helped to create and modify the different types of silicate minerals we see today.
Overall, the prevalence of silicates in the Earth's crust is a result of the abundance of silicon and oxygen in the Earth system, which has been shaped by the planet's formation and geological processes over billions of years
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Simple carbohydrates burn complex molecules, like proteins and lipids. A. faster than C. at the same rate as B. completely, compared to D. slower than
Compressed air can be used as a source of energy,give reason
Explanation:
Compressed air can be used as a source of energy for several reasons:
1. Versatility: Compressed air can be used to power a wide range of tools and equipment, making it a versatile source of energy. It can be used for tasks such as operating pneumatic tools, driving machinery, powering vehicles, and even generating electricity through air-driven turbines.
2. Safety: Compressed air is a relatively safe source of energy compared to other alternatives such as electricity or fuel. It is non-toxic, non-flammable, and does not produce harmful emissions or by-products when used. This makes it suitable for applications where safety is a concern, such as in explosive environments or in close proximity to flammable substances.
3. Cost-effectiveness: Compressed air systems can be cost-effective compared to other energy sources. The initial investment in compressors and infrastructure may be higher, but the operational costs can be lower. Air is freely available and can be easily compressed using energy-efficient compressors. Additionally, maintenance and repair costs for compressed air systems can be relatively low compared to other energy systems.
4. Reliability: Compressed air systems are known for their reliability. They can operate continuously without the need for frequent maintenance or refueling. Compressed air can be stored in tanks or reservoirs, allowing for a constant and reliable supply of energy even during peak demand periods.
5. Environmental friendliness: Compressed air is a clean and environmentally friendly energy source. It does not produce greenhouse gas emissions or contribute to air pollution. Compared to fossil fuels, it has a lower carbon footprint and can be considered a more sustainable energy option, especially if the electricity used to compress the air comes from renewable sources.
Overall, the use of compressed air as a source of energy offers several advantages, including versatility, safety, cost-effectiveness, reliability, and environmental friendliness. These factors make it a viable option for various industrial, commercial, and residential applications.
A firm has $820 in inventory, $3,200 in fixed assets, $1,210 in accounts receivable, $890 in accounts payable, and $360 in cash. What is the amount of the net working capital?
a. $4,700
b. $5,590
c. $3,600
d. $2,390
e. $1,500
The net working capital for the firm is $1,500, calculated by subtracting current liabilities from current assets, the correct option is (e).
To calculate the net working capital, you need to subtract the current liabilities from the current assets.
In a company's financial statements, the formula for calculating current assets can be expressed as the sum of inventory, accounts receivable, and cash.
Current Assets = Inventory + Accounts Receivable + Cash
Current Liabilities = Accounts Payable
Using the given values:
Current Assets = $820 (Inventory) + $1,210 (Accounts Receivable) + $360 (Cash)
= $2,390
Current Liabilities = $890 (Accounts Payable)
The formula to calculate Net Working Capital is derived by subtracting Current Liabilities from Current Assets.
Net Working Capital = Current Assets - Current Liabilities
Net Working Capital = $2,390 - $890
= $1,500
Therefore, the amount of net working capital is $1,500.
Hence, the correct option is (e).
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10. This octopus and this fossil ammonite both have a body structure in their mouths called a radula. The radula is a
Structure used for eating. What best explains why both species have a radula?
Octopus and ammonite have a radula because it is an effective tool for scraping and breaking down tough food items, especially hard-bodied prey, which both species feed on.
The radula is a structure found in the mouth of some mollusks, which is used for feeding. The radula is a ribbon-like structure covered in rows of tiny, backward-curving teeth that are used to scrape and shred food. Octopuses and ammonites are both mollusks that have evolved to feed on hard-bodied prey, such as crustaceans and other mollusks.
The radula is a highly effective structure for scraping and breaking down these tough food items, so it is likely that the evolution of a radula in both species was a result of their shared ecological niche and similar feeding habits. Although octopuses and ammonites are not closely related, they have both evolved a similar solution to the challenge of feeding on hard-bodied prey, resulting in the development of a radula in both species.
Overall, Octopus and ammonite have a radula because it is an effective tool for scraping and breaking down tough food items, especially hard-bodied prey, which both species feed on.
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In this unit, we learned about severe weather disasters and their repercussions. According to Murphy, explain how reducing the initial emergency response by one day can reduce the overall recovery by 1000 days?
Answer:According to Murphy it has been concluded that to accelerate the emergency response,autonomous robots and unmanned machines can be used.
Explanation: Don't ask how i know it :)
Answer: The correct answer is : According to studies carried out, it has been concluded that to accelerate the emergency response one day, autonomous robots and unmanned machines can be used. In this way the recovery time can be reduced by one thousand (1000) days or almost three years.
Explanation: I Jus know it
lisa suffers from kidney stones. one small stone manages to get lodged in the ascending limb of the nephron loop of one of her nephrons. predict what would happen to the amount of filtrate produced over time by this particular nephron. view available hint(s)for part a lisa suffers from kidney stones. one small stone manages to get lodged in the ascending limb of the nephron loop of one of her nephrons. predict what would happen to the amount of filtrate produced over time by this particular nephron.
increase in filtrate production due to a decrease in osmotic pressure
decrease in filtrate production due to an increase in osmotic pressure
decrease in filtrate production due to a decrease in hydrostatic pressure in the glomerulus
decrease in filtrate production due to an increase in hydrostatic pressure in the capsular space
Obstruction in nephron loop decreases filtrate production and may cause back pressure and kidney damage.
When a small stone becomes lodged in the ascending limb of the nephron loop, it can cause a blockage in the urinary flow, leading to various effects on the amount of filtrate produced by that specific nephron over time.
The obstruction impedes the normal passage of fluid through the nephron, resulting in decreased filtrate production. The stone acts as a physical barrier, preventing the fluid from flowing freely through the nephron and inhibiting the normal filtration process.
As a consequence of the blockage, the pressure within the nephron increases. The increased back pressure can affect the filtration rate and decrease the amount of filtrate that is produced.
It may also lead to the dilation of the nephron and possible damage to the renal tubules and surrounding tissues.
Furthermore, the obstruction can disrupt the delicate balance of electrolytes, water, and waste products in the kidney. This imbalance can have systemic effects on the body, such as electrolyte disturbances and impaired kidney function.
Ultimately, the presence of a kidney stone lodged in the ascending limb of the nephron loop can significantly impact the amount of filtrate produced by that particular nephron, leading to decreased filtration and potential complications within the kidney.
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differnces between prothrombin and fibrinogen
It takes 365 1/4 days for Earth to complete one rotation around the sun.
True
False
Answer:
True
Explanation:
Earth revolves around the sun in 365 days, 5 hours, 59 minutes and 16 seconds.
This is true. it does take 365 days for Earth to complete one rotation around the sun.
cystic fibrosis is caused by a recessive allele, c. what is the probability that two people who are carriers for cystic fibrosis will have a child who is also a carrier?
If both parents have the recessive allele then the offspring will have a 1 in 4, or 25 percent chance of being affected with cystic fibrosis.
In the absence of a dominant allele, a recessive allele is a type of genetic coding that has no impact on phenotype. The more pronounced effects of the dominant allele in a recessive relationship between two alleles obscure the effects of the recessive allele. An allele is a particular variation of a gene or a particular DNA fragment. Different alleles generate a somewhat different set of proteins with various functions. If the results of a dominant allele are unpleasant in the environment that a population is living in, natural selection may select a recessive allele.
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what happens during interphase?the nucleus grows to its full cell grows to its full nucleus divides into two cell divides into two cells.
During interphase, which is the longest phase of the cell cycle, the cell undergoes several crucial processes in preparation for cell division. It can be divided into three main stages: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).
In the G1 phase, the cell grows in size, performs its regular metabolic activities, and prepares for DNA replication. The nucleus is intact and not dividing during this stage.
The S phase is characterized by DNA replication, where the cell's genetic material is duplicated. Each chromosome forms two identical sister chromatids that remain attached at the centromere.
The G2 phase follows DNA replication and is focused on cell growth and preparation for division. The cell continues to synthesize proteins, increase in size, and check for any DNA damage or errors.
Therefore, during interphase, the cell grows in size, performs necessary metabolic activities, replicates its DNA, and ensures proper preparation for subsequent cell division.
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explain the general sequence of events that follow lipophilic ligand binding to intracellular receptors
The binding of lipophilic ligands to intracellular receptors leads to the general sequence of events. Lipophilic ligands or hydrophobic ligands are compounds that are lipid soluble and can bind to lipid regions of proteins.
The intracellular receptors are cytoplasmic or nuclear receptors, so once the ligand binds to it, it enters the cell and then it will bind to the receptor, forming a ligand-receptor complex. The ligand-receptor complex then undergoes a conformational change, revealing the nuclear localization sequence, which allows it to pass through the nuclear membrane.
The complex then binds to specific DNA sequences, called hormone response elements (HRE), that are located in the regulatory region of target genes. Once the ligand-receptor complex binds to the HRE, it recruits co-activators that can either help remodel the chromatin structure or initiate transcription directly. Co-activators can either enhance or stabilize the transcription factor's binding to DNA.
Furthermore, co-activators help in recruiting the RNA polymerase II, transcription factors, and other associated proteins required for transcription. The general sequence of events following ligand binding to intracellular receptors can be summarized as ligand binding to the receptor → ligand-receptor complex formation → translocation to the nucleus → binding to HRE → recruitment of co-activators → initiation of transcription.
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gene expression can also be controlled after the mrna molecule has left the nucleus. these mechanisms may include the __________.
Post-transcriptional modifications such as alternative splicing, mRNA stability regulation, and translation regulation, which influence the final protein product produced from the mRNA molecule.
Post-transcriptional modifications refer to the changes that occur to the mRNA molecule after it has been transcribed from DNA but before it is translated into a protein. Alternative splicing allows different arrangements of exons and introns, resulting in the production of multiple mRNA variants and protein isoforms. mRNA stability regulation involves mechanisms that control the lifespan of mRNA molecules, determining how long they persist in the cytoplasm before being degraded. Translation regulation refers to processes that control the efficiency and rate of protein synthesis from mRNA, including factors that enhance or inhibit translation initiation and elongation. These post-transcriptional mechanisms provide additional layers of gene expression control and contribute to the diversity and complexity of protein expression in cells.
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What and how did it affect immigration/emigration, birth/death in finding nemo?
The nerve cells in a chef’s hand sense heat from a pan. The nerve cells send signals to the chef’s brain. The brain sends signals to the hand to release and drop the pan.
Answer:
We sense temperature in our environment through specialised nerve cells that project into the outer layers of the skin. These nerve cells are activated by high temperatures and capsaicin, the substance that makes chilli peppers hot. In response to a stimulus like heat or capsaicin, proteins on the surface of nerve cells called ion channels open up a channel that lets charged ions flow into the cell, setting off a nerve impulse. The impulse travels along sensory neurones to the spinal cord and then up to the brain, where it is interpreted as heat.
An undersea volcano erupts, creating a new island in the Gulf of Mexico. Life slowly starts to appear on the island. What would probably be the first species to take hold and survive? Pls, explain your answer.
A. ferns C. lichens
b. finches d. grasses
Answer:
Lichens
Explanation:
Lichens are very mere grasses
They need very less oxygen
They can adopt in any situation just they need drops of water .
So they will start to hold and survive at first
Which functional area of the cerebrum is responsible for the ability to form words?.
The ability to form words is formed in Broca's area of the cerebrum, and due to the proper functions of this area, a person can make speech and express their thoughts. Broca's area is responsible for this.
What are the various parts of the brain?The brain has different parts, such as the forebrain, which is further divided into the cerebrum, diencephalon, etc., and these parts regulate many hormonal and neuronal activities. The midbrain and hindbrain control vision as well as involuntary activities such as respiration etc. All three parts of the brain control both voluntary and involuntary activities.
Hence, the brain has Broca's area, which regulates speech and word formation.
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Albinism results from mutations in an individual's DNA. Explain how that ultimately results in an non-functional protein. Use all of the terms from your flowchart above in your explanation. Also include locations and any enzymes involved. **TERMS USED: "transcription, translation, amino acid(s), protein, gene, mRNA, tRNA, trait "
Answer:
Please find the explanation below
Explanation:
Albinism which is a condition characterized by the lack of skin pigment is caused by a mutation in the nucleotide sequence that encodes the melanin protein. However, this mutated gene undergoes TRANSCRIPTION into a mutated mRNA sequence, and subsequently undergoes TRANSLATION into a mutated amino acid sequence.
The amino acid sequence results in a non-functional protein as the nucleotide sequence of the original DNA has been altered. This non-functionality of the mutated protein results in ALBINISM TRAIT.
Which of the following accurately describe a sampling distribution of the mean? It is the distribution of the means of all possible samples of fixed size n from a population.
A sampling distribution of the mean is a theoretical distribution that represents the distribution of sample means that could be taken from a population. It is calculated by taking all possible samples of a fixed size n from the population and calculating the mean for each sample.
The sampling distribution of the mean is a distribution of the means of all possible samples of fixed size n from a population.
A sampling distribution of the mean has the following characteristics:
1. The mean of the sampling distribution of the mean is equal to the mean of the population from which the samples are taken.
2. The standard deviation of the sampling distribution of the mean is equal to the standard deviation of the population divided by the square root of the sample size.
3. The sampling distribution of the mean is approximately normal, regardless of the distribution of the population, as long as the sample size is sufficiently large (usually n > 30).
4. The width of the sampling distribution of the mean decreases as the sample size increases, indicating that larger samples are more representative of the population.
Therefore, a sampling distribution of the mean is the distribution of the means of all possible samples of fixed size n from a population, and it provides important information about the characteristics of the population.
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water vapor changing to liquid water
A.evaporation
B.condensation
C.precipitation
D.water cycle
Which of the following could occur for Iceland if there were no surface currents?
a. Iceland does not exist
b. Iceland would become a desert
c. Iceland's climate would not change.
d. Iceland's climate would change