if i scored a 44 on a trial where an acceptable range of performance was 48-52 and the instructor was providing bandwidth kr, i will receive kr after my trial, true or false
Answers
Its is FALSE because Bandwidth refers to a range of acceptable performance levels in instructional design. If a learner's performance falls within this range, they receive feedback or reinforcement.
In the context of instructional design, a bandwidth is a range of acceptable performance levels that are established before a learning task is performed. If a learner's performance falls within this range, they receive reinforcement or feedback, which can be positive or corrective.
In the scenario presented, the learner's score of 44 falls outside of the acceptable range of performance, which is between 48-52. Therefore, they would not receive reinforcement or feedback, including bandwidth KR (knowledge of results), as they did not meet the performance criteria.
It is important for learners to receive appropriate feedback and reinforcement when they meet or exceed the acceptable range of performance, as this can reinforce positive behaviors and motivate further learning.
However, in cases where performance falls below the acceptable range, feedback and reinforcement should focus on corrective measures to help the learner improve their performance in future tasks.
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Related Questions
Scientific research shows that our global climate is changing. The global sea level is rising and ocean temperatures are increasing. Which of the following best predicts an outcome of this global climate change in a coastal ecosystem? (4 points)
The change in temperature will cause organisms that are sensitive to cold to migrate to the area.
The milder temperature will encourage a growth in the diversity of sea life.
The loss of habitat will lead to endangering or extinction of species living there.
The rising sea level will provide water during drought to species living there.
Answers
The statement that best predicts an outcome of this global climate change in a coastal ecosystem is as follows:
The loss of habitat will lead to endangering or extinction of species living there.Thus, the correct option is C.
What is an Ecosystem?An ecosystem may be defined as a place or an area where organisms of different species live together and interact with one another for the purpose of food, shelter, and space.
Coastal ecosystems such as Mangroves, Estuaries, Deltas, Dune fields, Wetlands, Swamps, Salt marshes, etc. should be negatively influenced by the increasing sea level, damaging regional biodiversity by diminishing food sources, transformations in food chains, and structural modifications, in addition to provoking compelled migrations of wild populations from one place to another randomly.
Therefore, the correct option for this question is C.
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The loss of habitat will lead to endangering or extinction of species living there.Answer:
Explanation:
Which of the following occur during interphase? Select all that apply.
cells prepare for cell division
chromosomes divide
cytoplasm divides
cells grow rapidly
chromosomes replicate
DONE
Answers
Answer:
cells prepare for cell division
Explanation:
Collagen is a protein made of three identical polypeptides composed primarily of α helix structure. the α helix is an example of a?
Answers
A protein called collagen is made up of three identical polypeptides that primarily have a helix structure. α helix is an example of a secondary structure that is supported by hydrogen bonds.
The protein collagen can be found in the human body's bones, tissues, skin, and other organs. It is incredibly important for the body since it boosts muscle mass, stops bone deterioration, eases joint pain, and enhances skin health. The stiffness and resistance to stretching of collagen are its most significant characteristics.
The non-covalent bonds that constitute the most significant component of various chemical structures are hydrogen bonds. These relationships are among the strongest. One molecule's electropositive hydrogen atom is joined to another's an electronegative atom, which could be fluorine, oxygen, or nitrogen.
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If an infant is born to a drinking mother without any observable evidence of abnormal development, can we conclude that there was no detrimental impact of alcohol during thegestational period? can you explain
Answers
If an infant is born to a drinking mother without any observable evidence of abnormal development, we cannot conclude that there was no detrimental impact of alcohol during the gestational period because underlying molecular causes associated with mutations due to chemical agents (in this case alcohol) may appear in late development.
Why alcohol is a chemical mutagenic agent?Alcohol is a chemical mutagenic agent because this substance increases cellular stress and thus leads to a higher mutation rate.
Therefore, with this data, we can see that alcohol is a chemical mutagenic agent and therefore may alter fetus development.
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which of these is not a correct statement about mitochondria? group of answer choicesmitochondria are in eukaryotes but not in prokaryotes.
mitochondria are thought to have evolved from a bacterial ancestor inside a larger cell.
mitochondria have linear chromosomes and 80s (large) ribosomes.
mitochondria are important for making atp, the usable energy molecule in cells.
Answers
The membrane-bound organelles known as mitochondria are present in eukaryotic cells.The statement that "Mitochondria and chloroplasts may be found in the same cell" is correct in regards to mitochondria and chloroplast. Hence (c) is the correct option.
For instance, mitochondria are organelles that create the majority of the energy needed by eukaryotes, a chemical known as ATP. Since prokaryotes lack mitochondria, they make ATP on the cell surface membrane. The nucleus' chromosomes contain the majority of the DNA, although mitochondria also have a minor quantity of their own DNA. MtDNA, or mitochondrial DNA, is the name for this genetic material. Electron transport enzymes are located in the outer membrane.
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which of these is not a correct statement about mitochondria?
a. mitochondria are in eukaryotes but not in prokaryotes.
b. mitochondria are thought to have evolved from a bacterial ancestor inside a larger cell.
c. mitochondria have linear chromosomes and 80s (large) ribosomes.
d. mitochondria are important for making atp, the usable energy molecule in cells.
Which of the following is not likely to appear on a map?
A. Latitude lines
B. Satellites
C. Cardinal directions
D. Poles
E. Legend
Answers
A map is not likely to show satellites. Satellites are tools used to collect data for maps, but they are rarely visible on the actual map.
What cannot be depicted on a map?Large-scale details cannot be displayed on it due to the limited amount of space. A portion of the Earth cannot be made for it. It cannot display geographic details in their appropriate detail.
What is all depicted on the map?Maps provide straightforward, visible information about the globe. They demonstrate the sizes and shapes of the world's nations, the locations of its characteristics, and the distances between regions to teach about it. Maps can display how items are distributed around the globe, including patterns of settlement.
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What happens as a result of convection currents in the earth's mantals
Answers
Answer:
Inside Earth, the convection of mantle material is thought to cause the movement of the overriding crustal plates, resulting in events such as earthquakes and volcanic eruptions.
Explanation:
Answer: Inside Earth, the convection of mantle material is thought to cause the movement of the overriding crustal plates, resulting in events such as earthquakes and volcanic eruptions.
Explanation: Think of paper on top of a flat plate. If you move the plate in various directions. The paper will also move, but it could be in the same, side to side or opposite direction the current is moving. When the crust or mantle moves. Stress is released causing earthquakes and volcanos erupting with magma from below the very ground you walk on.
Use a Punnett Square of a Bb x Bb cross. B is the factor for brown eyes and bis factor for blue eyes. What color eyes do the parents have:
Answers
Answer:
The parents would have brown eyes.
Explanation:
Given Bb x Bb, this tells you that both parents have brown eyes and are carriers for a reccessive trait (blue eyes). Remember that the uppercase letters are considered dominant and the lower case letters are considered recessive. In order for the blue eye allele to show, you would need to have the genotype: bb.
C. Brown
The parents would have brown eyes.
Given Bb x Bb,
This tells you that both parents have brown eyes and are carriers for a recessive trait (blue eyes). Remember that the uppercase letters are considered dominant and the lower case letters are considered recessive. In order for the blue eye allele to show, you would need to have the genotype: bb.Therefore, correct option is c.
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Which one of the following does NOT describe a use of a scientific model?
Answers
Answer: what are the options?
Explanation:
I would love to help :)
3. Explain why farmers use pesticides even though they are one of the leading pollutants.
Answers
Answer:
They keep the plants safe from vermin that would seek to destroy them.
Explanation:
Answer:
They keep the plants safe from vermin that would seek to destroy them.
Explanation:
What is the cause of the peripheral edema that often manifests with glomerulonephritis and nephrotic syndrome?.
Answers
Answer:
Nephrotic syndrome (also called nephrosis) happens when your kidneys start losing large amounts of protein in your urine. As your kidneys get worse, extra fluids and salt build up in your body. This causes you to have swelling (edema), high blood pressure and higher levels of cholesterol.
Explanation:
Genetic information is transferred from DNA to?
Answers
to the cytoplasm by RNA
Explanation:
The genetic information is transferred from the nucleus to the cytoplasm by RNA (Ribonucleic acid).
How does an electrical impulse from a nerve lead to muscle contraction? starting with depolarization of the motor endplate, describe the sequence of events that lead to the crossbridge cycle.
Answers
The process of muscle contraction begins with the depolarization of the motor endplate, which is the region where the nerve connects to the muscle fiber.
The process of muscle contraction begins with the depolarization of the motor endplate, which is the region where the nerve connects to the muscle fiber. Here is the sequence of events that lead to the crossbridge cycle and muscle contraction:
Depolarization of the motor endplate: When an electrical impulse, called an action potential, reaches the motor endplate, it triggers the release of the neurotransmitter acetylcholine (ACh) into the neuromuscular junction.
Activation of ACh receptors: ACh binds to specific receptors on the muscle fiber known as nicotinic acetylcholine receptors. This binding causes these receptors to open, allowing the influx of sodium ions (Na+) into the muscle fiber.
Generation of action potential: The entry of sodium ions depolarizes the muscle fiber membrane, creating an action potential that spreads along the sarcolemma (muscle cell membrane) and into the T-tubules (invaginations of the sarcolemma).
Formation of crossbridges: With the myosin-binding sites exposed, myosin heads (part of the thick filament) can bind to actin, forming crossbridges between the thick and thin filaments.
Crossbridge cycle: The crossbridge cycle involves a series of steps:
a. Crossbridge formation: The myosin head binds to actin, forming a crossbridge.
b. Power stroke: The myosin head undergoes a conformational change, pulling the thin filament towards the center of the sarcomere. This movement is called the power stroke, and it results in the shortening of the sarcomere and muscle contraction.
c. Crossbridge detachment: ATP binds to the myosin head, causing it to detach from actin.
d. ATP hydrolysis: ATP is hydrolyzed (broken down) into ADP and inorganic phosphate (Pi), providing energy for the subsequent steps.
e. Resetting of the myosin head: The energy from ATP hydrolysis resets the myosin head, returning it to its original position and preparing it for another cycle.
Repeat of the crossbridge cycle: The crossbridge cycle repeats as long as there is sufficient calcium available and ATP is present. This repetitive cycling of crossbridges results in the sliding of the thick and thin filaments past each other, causing muscle fiber contraction.
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What is mercury bioaccumulation? What are the main issues with that type of bioaccumulation?what organisms does it affect? What are the causes? What could humans do to prevent it?
Answers
Bioaccumulation is the total accumulation of certain chemicals/contaminants in an organism, coming from diverse sources such as water, air, and diet. Therefore the case of mercury occurs when mercury is accumulated in an organism, for example, fish. The most common pathway for this to happen is through the food chain, nonetheless can occur through abiotic means, an example is in fish, where methylmercury is acquired through the gills.
When methylmercury is absorbed through the gastrointestinal tract & enters the bloodstream and goes rapidly to other parts of the body.
Mercury is a persistent substance, which can bioaccumulate, in living organisms, inflicting increasing levels of harm on higher-order species such as predatory fish and fish-eating birds and mammals through a process known as "biomagnification"
The release of processed mercury can lead to a progressive increase in the amount of atmospheric mercury, which enters the atmospheric-soil-water distribution cycles where it can remain in circulation for years. Mercury poisoning is the result of exposure to mercury or mercury compounds resulting in various toxic effects depending on its chemical form and route of exposure.
The major route of human exposure to methylmercury (MeHg) is largely through eating contaminated fish, seafood, and wildlife that have been exposed to mercury through the ingestion of contaminated lower organisms.
King mackerel, marlin, orange roughy, shark, swordfish, tilefish, ahi tuna, and all contain high levels of mercury.
Human activity is the main cause of mercury release, especially coal-fired power stations, residential coal burning for heating and cooking, industrial processes, waste incinerators, and as a result of mining for mercury, gold, and other metals.
Reducing consumption of raw materials and products generating mercury releases
Substitution by non-mercury alternativesEnd-of-pipe techniquesWaste managementWhat is the best overall approach to reducing emissions?What further research and information are needed?National initiativesRegional and international initiativesTo learn more about mercury bioaccumulation visit,
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it serves as the final site of lymphocyte development before birth and soon after birth, it begins to secrete a group of hormones that enable lymphocytes to develop into mature t cells. b soon after birth, it begins to secrete a hormone that actively stimulates the posterior pituitary to release oxytocin. c it serves as the final site of lymphocyte development before birth.
Answers
C. It serves as the final site of lymphocyte development before birth is the main function of the thymus.
What is Thymus?
The thymus is one of the lymphatic system's organs where T lymphocytes develop and multiply. In the chest, behind the breastbone, is the thymus. It is a little organ that can be found in the upper chest, just behind the breastbone. It produces lymphocytes, which are white blood cells that defend the body from illnesses.
T-lymphocytes, often known as T-cells, are specialized white blood cells that are trained by the thymus gland. Your bone marrow sends lymphocytes (white blood cells) to your thymus. In your thymus, the lymphocytes develop into specific T-cells. The T-cells develop before they are released into your bloodstream.
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The colorful outer part of a flower is called the:
petal
stem
anther
style
Answers
Answer:
A.petal
hope it helpa
Explanation:
the parts of a flower that are often conspicuously colored.
How many base -pairs (bp) are found in the haploid genome of humans?
Answers
haploid human genome contains 3.2 billion base pairs. among them, there are about 21,000 protein-coding genes are present.
One single set of chromosomes makes for a haploid cell. Humans typically have two copies of each chromosome, or are diploid rather than haploid. Meiosis, a specific type of cell division where the genetic material of the parent cell is split up twice, is how the egg and sperm cells in humans are created. These haploid cells have just one set of chromosomes because meiosis is the process by which the genetic material of the parent cell is divided up twice. The genetic material is united in the zygote cell produced when a sperm fertilises an egg. Or to put it another way, two distinct haploid cells that each had one pair of chromosomes combine to form a single diploid cell that contains two sets of chromosomes.
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what do marine biologists study that relates to food chains?
Answers
Marine biologists study a variety of factors related to food chains in marine ecosystems, including the composition and structure of the food web, the interactions between different species in the food chain, and the flow of energy and nutrients through the ecosystem.
Some specific areas of research in marine biology related to food chains include:
Trophic interactions: Marine biologists study the relationships between different organisms in the food web, including predator-prey relationships and symbiotic interactions. Understanding these interactions can provide insights into the dynamics of the food chain and how changes in one species can impact others.Nutrient cycling: Nutrient cycling is the process by which nutrients such as carbon, nitrogen, and phosphorus are recycled through the food web. Marine biologists study the processes involved in nutrient cycling, including the roles played by different organisms in breaking down and recycling nutrients.Primary production: Primary production refers to the process by which plants and other photosynthetic organisms convert sunlight into energy. Marine biologists study primary production in marine ecosystems, as it forms the basis of the food chain and provides energy for all other organisms in the ecosystem.Fisheries management: Many marine biologists work on fisheries management, which involves understanding the interactions between different species in the food web, as well as the impacts of human activities such as fishing on marine ecosystems. Fisheries management aims to ensure that fisheries are sustainable and that marine ecosystems remain healthy and productive.To know more about Nutrient cycling
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What is the zygote called when comprised of 16 or more cells?
Answers
The zygote, or fertilized egg, undergoes multiple rounds of cell division, leading to the formation of a cluster of cells called a morula.
As the cells continue to divide, the morula grows and eventually becomes a blastocyst.
A blastocyst is a hollow ball of cells that contains an inner cell mass and an outer layer of cells called the trophectoderm.
The inner cell mass will go on to form the embryo, while the trophectoderm will develop into the placenta and other supporting structures.
By the time the blastocyst contains 16 or more cells, it is usually considered to have reached the stage of "early blastocyst."
At this stage, the blastocyst is ready to implant into the lining of the uterus and continues to develop into a fetus.
The process of blastocyst formation is a critical early stage of embryonic development, and any abnormalities or issues that arise during this process can have significant impacts on the health and well-being of the developing embryo.
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Create Punnet squares for both the F1 and F2 generations for each of the following dihybrid crosses of pea plants: a. A homozygous yellow, round seeded plant (YYRR) with a homozygous green, wrinkled seeded plant (yyrr) b. A heterozygous yellow, round seeded plant (YyRr) crossed with a homozygous yellow, wrinkled seeded plant (YYrr) c. A heterozygous yellow, round seeded plant (YyRr) crossed with a homozygous green, wrinkled seeded plant (yyrr) d. A homozygous green, round seeded plant (yyRR) crossed with a heterorygous yellow, round seeded plant (YyRr)
Answers
a. A homozygous yellow, round seeded plant (YYRR) with a homozygous green, wrinkled seeded plant (yyrr)A Punnett square is used to predict the probability of offspring genotypes.
Since the dihybrid cross includes two genes that are inherited independently of one another, a 4x4 Punnett square is required. The parents' gametes are written along the top and side of the table, with the potential offspring genotypes in the boxes. | YR | Yr | yR | yr | |---|---|---|---| | YR | YYRR | YYRr | YyRR | YyRr | | Yr | YYRr | YYrr | YyRr | Yyrr | | yR | YyRR | YyRr | yyRR | yyRr | | yr | YyRr | Yyrr | yyRr | yyrr | b. A heterozygous yellow, round seeded plant (YyRr) crossed with a homozygous yellow, wrinkled seeded plant (YYrr)A 2x2 Punnett square is required for this cross. | YR | yr | |---|---| | YyRr | YYRr | YyRr | | YYrr | YYrr | YYrr | c.
A heterozygous yellow, round seeded plant (YyRr) crossed with a homozygous green, wrinkled seeded plant (yyrr)A 4x4 Punnett square is required for this cross.| YR | Yr | yR | yr | |---|---|---|---| | YYrr | YyRr | Yyrr | YyRr | Yyrr | | YyRr | YYRR | YYRr | YyRR | YyRr | | yyRR | YyRr | Yyrr | yyRr | yyrr | d. A homozygous green, round seeded plant (yyRR) crossed with a heterozygous yellow, round seeded plant (YyRr)A 2x2 Punnett square is required for this cross.| YR | yr | |---|---| | YyRr | yyRr | yyrr | | yyRR | YyRr | Yyrr |
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Which is true?
A.Ocean currents affect temperatures on land.
B. The ocean has no effect on the temperature on the land.
C. Ocean water does not move between locations.
D. All ocean water is the same temperature.
Answers
Answer:
I think it's A.
Explanation:
Sorry If I'm wrong
Al wonders if adding salt to water will affect how long it takes the water to freeze. Al thinks that
salt water will freeze more quickly than fresh water. He decides to check his hypothesis by
conducting an experiment. Al takes two ice trays and fills one with distilled water and the other
with distilled water that has two tablespoons of salt added. He makes sure he puts exactly the
same amount of water in each ice tray. Al takes the trays and puts them side by side in the
freezer. Al checks the ice trays every 10 minutes to see if the water in each tray has begun to
freeze. Al finds that after 20 minutes the water in the ice tray without the salt has started to form
ice, while the ice tray with the salt water is still completely liquid.
Answers
Al doesn't know the answer to your question.
Al is sorry. :(
Al wants you to forgive him.
PLEASE ANSWER I NEED HELP I DONT WANNA TAKE BIO AGAIN
how does the operator region of dna work to regulate gene expression?.
Answers
Answer:The promoter is found in the DNA of the operon, upstream of (before) the genes. ... Some regulatory proteins are repressors that bind to pieces of DNA called operators. When bound to its operator, a repressor reduces transcription (e.g., by blocking RNA polymerase from moving forward on the DNA).
Explanation:
Given what you know about Cell Division, what would be your reasoning for why the cell spends the most amount of time in _____________phase? (you may make your most educated guess using your notes)
Answers
Answer:
Interphase is the longest phase in the cell cycle.
Explanation:
a genetic screen for eye color mutants resulted in five fly strains with independent mutations: three with white eyes and two with orange eyes. the genomic locations of each of the five mutations has been identified. what results are possible? check all that apply.
Answers
The possible results from the genetic screen for eye color mutants are that all five mutations are located on different chromosomes, or that two of the mutations are on the same chromosome and the other three are on different chromosomes.
The eye color mutations in the five fly strains may be located on different chromosomes or on the same chromosome. If all five mutations are located on different chromosomes, they will independently assort during meiosis and produce offspring with all possible combinations of eye colors.
If two of the mutations are located on the same chromosome and the other three mutations are on different chromosomes, then the mutations on the same chromosome will tend to be inherited together and produce offspring with two of the five possible eye colors.
Therefore, the correct answer is that all five mutations are located on different chromosomes, or that two of the mutations are on the same chromosome and the other three are on different chromosomes.
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which characteristic could help you distinguish between bacteria and fungi?
Answers
Answer:
Bacteria are single-celled organisms but most fungi are not.
Explanation:
Bacteria are single-celled microscopic organisms that are characterized by the presence of incipient nucleus and few membrane-less cell organelles. Fungi, singular fungus, are eukaryotes that are characterized by the presence of chitin in the cell wall. All bacteria are prokaryotes. All fungi are eukaryotes
Answer:
A) Bacteria are single-celled organisms, but most fungi are not.
Explanation:
Bacteria are microscopic single-celled organisms with immature nuclei have an immature nucleus and a few membrane-less cell organelles. Fungi (plural fungus) are eukaryotes distinguished by the presence of chitin in the cell wall. Prokaryotes are all bacteria. Fungi are all eukaryotes.
PLZ help i dont understand
Which of the following is true about DNA replication?
Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of DNA.
DNA replication allows for the formation of hydrogen bonds to copy two old strands of DNA.
DNA polymerase is an enzyme that works to transport DNA from the nucleus to the cytoplasm.
The double helix results from two old strands of DNA fused together to form two new strands.
Answers
Answer:
Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of DNA.
Took The Test. Hope it helps- Have a good day <3
Chains of blank form polymers?
Answers
Answer:
Chains of linked carbon and hydrogen atoms
Explanation:
Can someone plz help me? ;(
Answers
Answer:
d
Explanation:
the endocrine system regulates all biological processes
May you please be able to help me on this
Answers
1. The male superhero cannot teleport. So, the probable genotype is Xt Y
While the female superhero can teleport, but her mother could not. The probable genotype would be XTXt.
In order to get these genotypes for teleporting abilities, we first assign thegenotypes of the parents, which are:
Father- XT Y
Mother (do not have teleporting abilities)- XtXt