The part of sleep known to help our memory and learning is called REM (Rapid Eye Movement) sleep.
In this case, the student is asking which part of sleep is known to help our memory and learning. The answer is:REM sleep is known to help our memory and learning.
During REM sleep, our brain is active and consolidates memories, which means it strengthens and stores them so we can recall them later.
REM sleep is also important for learning because it helps us process and integrate new information. Therefore, getting enough REM sleep is crucial for maintaining a healthy brain and cognitive function.
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classify the words or phrases as descriptions or examples of fibrous proteins, globular proteins, or both.
Collagen: Fibrous protein Collagen is a fibrous protein found in connective tissues throughout the body. It is the most abundant protein in mammals and has a triple helix structure.
Collagen provides strength and structure to tendons, ligaments, and skin, and it is also found in bones, blood vessels, and the gut. It is responsible for the elasticity and resilience of the skin, and it helps to form the scaffolding that maintains the shape of organs and other tissues. Myoglobin: Globular protein Myoglobin is a globular protein found in muscle tissue. It is responsible for storing and releasing oxygen and is required for the aerobic metabolism of muscle cells. It binds and transports oxygen from the lungs to the muscle, and it also helps regulate the acidity of the muscle cells. Myoglobin is made up of an iron-containing heme group and a protein component, and its structure allows it to bind oxygen and store it for later use.
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The liver cells of cats contain 48 chromosomes. After meiosis is complete, how many chromosomes are in the new daughter cells?
O 12
O 24
O 48
O 23
Answer:
Each daughter cell will have 12 chromosomes, half of the parent cell
Explanation:
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which region of the brain is larger in humans and primates than in other vertebrates?
What type of mining is used for hematite?
Out of open cut mining, underground mining, dredge mining, leach mining, and petroleum wells
Will reward brainliest
Answer:
underground mining,
Explanation:
You go to your 15 year high class reunion. You spend the night talking to your friends about all the fun but stupid things you did in high school. Memories for these events are
Answer:
there are many ways to describe this but... Special nostalgic and enyoyable are a few
Explanation:
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Imagine that you collected a sample of fish from a pond. Here is what you caught:
bluegill = 12 individuals
bass = 7 individuals
catfish = 6 individuals
carp = 13 individuals
What would the Shannon diversity value be for this sample?
The Shannon diversity value for the fish sample is approximately 1.791, indicating a moderate level of diversity.
The Shannon diversity index measures the diversity or evenness of a community by considering the relative abundance of different species. To calculate the Shannon diversity value for the given fish sample, we can use the formula:
H' = -Σ(\(\pi\) * log(\(\pi\)))
Where:
H' is the Shannon diversity value
\(\pi\) is the proportion of individuals belonging to the ith species
Using the data provided, we can calculate the Shannon diversity value as follows:
\(\pi\) for bluegill = 12/38
\(\pi\) for bass = 7/38
\(\pi\) for catfish = 6/38
\(\pi\) for carp = 13/38
Calculating the values and substituting them into the formula:
H' = -( (12/38 * log2(12/38)) + (7/38 * log2(7/38)) + (6/38 * log2(6/38)) + (13/38 * log2(13/38)) )
= 1.791
After performing the calculations, the Shannon diversity value for this sample of fish from the pond is approximately 1.791.
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I NEED HELP ASAP DUE IN 10 MINUTES
The herbivores in the forest don’t consume this low-growing invasive plant because they mistake it for a similarly shaped toxic plant in the forest. The invasive plant needs a lot of room to grow. It sprouts from its seeds much earlier than the native species. What effect can its growth have on the native herbivores’ food supply?
Answer:
It could grow at such an extrem erate that it could use up all natural resources that the native species needs to survive. thus breeding out all native species and becoming a invasive species. The native species the animals eat now does not exist and the animals that needed that food will decrease drastically in populus.
Explanation:
all of the following are true of Biotic factors except for ?
A. They are made up of cells
B.They maintain homeostasis
C.They have a metabolism
D.They grow , Reproduce , and evolve
E.They included soil, rainfall, and temperature
Answer: The answer is E
Some species of hares are brown most of the year, but change color to white in the winter. This allows them to
blend in through the seasons.
Where are these organisms adapted to live?
O deciduous forests
O desert
O tropical rain forests
O savanna
which is true? group of answer choices a) protein kinase phosphorylation can result in stimulation or inhibition of the activity of effector proteins b) ca2 and cyclic amp are second messengers c) phosphodiesterase converts gmp into cgmp d) both a and b are correct e) all choices are correct
Both a and b are correct that is protein kinase phosphorylation can result in stimulation or inhibition of the activity of effector proteins and ca2 and cyclic amp are second messengers.
What are second messengers and protein kinase phosphorylation?Secondary messengers are the molecules inside the cell that transmit from a receptor to target.Some of the secondary messengers are cyclic nucleotides a class of secondary messengers.Cyclic GMP and calcium are also the secondary messengers along with cyclic nucleotides.Protein kinase phosphorylation , in which protein kinase is an enzyme that modifies molecules mostly proteins by chemically adding phosphate groups to them.To know more about protein visit:
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What are acidosis and alkalosis? What can cause each condition and what impact does that have on your body? How can each condition be treated?
Answer:Acidosis and alkalosis are medical conditions related to the pH balance of the body. The pH value of the body needs to be within a specific range in order for the body to function properly. Acidosis occurs when the pH of the blood drops below 7.35 due to an excess of acid in the blood. On the other hand, alkalosis occurs when the pH of the blood rises above 7.45 due to an excess of base in the blood.
Acidosis can be caused by several factors, including diabetes, kidney disease, lung disease, alcoholism, and certain medications. Symptoms of acidosis can include fatigue, confusion, shortness of breath, and a feeling of being generally unwell. Severe acidosis can lead to shock or coma and is a medical emergency. Treatment for acidosis involves identifying and treating the underlying cause. For example, if acidosis is caused by diabetes, controlling blood sugar levels can help treat the condition.
Alkalosis can be caused by several factors, including vomiting, prolonged vomiting or suctioning of the stomach, overuse of certain medications such as antacids, and conditions like lung disease, liver failure, and congestive heart failure. Symptoms of alkalosis can include confusion, muscle twitches, and a tingling sensation in the fingers and toes. Treatment for alkalosis typically involves identifying and treating the underlying cause. For instance, if alkalosis is caused by vomiting, treating the underlying cause of the vomiting can help resolve the condition.
In some cases, medical intervention may be necessary to correct acidosis or alkalosis. For instance, in severe cases of acidosis, bicarbonate may be administered intravenously to help restore pH balance. In cases of severe alkalosis, treatment may involve discontinuing medications that contribute to the condition and administering intravenous saline or potassium chloride.
Explanation:
Indicate the correct order of steps for a broth to agar plate transfer Rank the options below Remove a loopful of bacterial culture from the broth tube, pass the mouth of the tube through the Bunsen burner flame, and N replace the cap. Lift the lid of the agar plate slightly and streak the loop across the surface of the agar plate. Replace lid. Sterilize inoculating loop, remove cap of culture tube, and pass mouth of culture tube through the Bunsen burner flame. 1 Sterilize inoculating loop prior to replacing in loop holder.
The correct order of steps for a broth to agar plate transfer is:
Sterilize the inoculating loop prior to replacing it in the loop holder.
Sterilize the loop again, remove the cap of the culture tube, and pass the mouth of the culture tube through the Bunsen burner flame.
Remove a loopful of bacterial culture from the broth tube, pass the mouth of the tube through the Bunsen burner flame, and replace the cap.
Lift the lid of the agar plate slightly and streak the loop across the surface of the agar plate.
Replace the lid.
Sterilize the loop, transfer culture, and streak agar.
How do you transfer culture to agar using a loop?To transfer bacterial culture from a liquid broth to an agar plate, it is important to maintain aseptic technique to prevent contamination. The process involves sterilizing the inoculating loop prior to use by passing it through a flame. The culture tube's cap is removed, and the mouth of the tube is passed through the Bunsen burner flame to eliminate potential contaminants.
A loopful of the bacterial culture is then taken from the broth tube and the tube is promptly recapped. The lid of the agar plate is lifted slightly, and the loop is streaked across the surface of the agar to evenly distribute the culture. Finally, the plate's lid is replaced to maintain sterility.
This method allows for the growth of individual bacterial colonies on the agar plate, facilitating further analysis and experimentation.
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Collect information about the kind of waste produced in your house daily and how it is disposed off
Answer:
The different classes of waste produced in a house can be classified as follow: organic waste, liquid waste, solid waste and recyclable waste
Explanation:
In family homes, it is important to understand which are the types of waste in order to know how to dispose of them properly in an environmentally friendly way. First, liquid waste from the bathroom and kitchen is usually directed to the main sewer line or eliminated by septic tanks that serve as sewage collectors. Second, organic and recyclable waste is biodegradable, thereby this type of waste is usually disposed of in incinerators or landfills. Third, solid non-hazardous waste can be eliminated by compressing with mechanical systems and covered with earth to be finally compacted.
_____ are mutated genes that are always active.
The mutated genes that are always active are called oncogenes. Oncogenes are genes that have the potential to cause cancer when mutated.
Proto-oncogenes, or normal genes, may become oncogenes as a result of mutations or increased expression. Cancer-causing mutations in oncogenes are often dominant, meaning that only one mutated allele is needed to cause the disease.Oncogenes, as previously stated, are mutated genes that are always active. They promote cell growth and division by signaling to other genes in the body.
When oncogenes become overactive, they promote rapid cell growth and division, resulting in the formation of tumors, which can be malignant or benign. The excessive activity of these genes can lead to uncontrolled cell growth and division, resulting in cancer. Oncogenes are frequently inherited or acquired later in life as a result of environmental factors. In conclusion, oncogenes are mutated genes that promote cell growth and division and are always active, leading to the development of cancer when they become overactive.
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what cell organelle is the brain of the cell which controls eating, movement, and reproduction?
The nucleus is the cell organelle that is considered the "brain" of the cell, in the sense that it governs critical tasks such as feeding, locomotion, and reproduction.
The nucleus is a membrane-bound organelle present in eukaryotic cells, which have a nucleus as well as other membrane-bound organelles. The nucleus contains DNA, the genetic material that holds the instructions for an organism's growth and function. The DNA is arranged into chromosomes, and the nucleus serves as the cell's command center by controlling gene expression.
The nucleus may impact cell activity through influencing gene expression, such as when and how the cell divides, what proteins it produces, and how it responds to its surroundings. The nucleus may govern critical processes like as feeding, locomotion, and reproduction because to its regulation.
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Please help, is really important to finish my homework!!!!
Would outer space be an ideal spot for a concert? Why or why not?
Answer:
No, there is no gas in space, sound waves need matter to travel on because to make noise they move matter in such a way that i creates noise. Also you cant breathe.
Explanation:
what is the first step in na+-k+ pump?
The first step in the Na+-K+ pump is the binding of intracellular Na+ ions to the pump.
The Na+-K+ pump, also known as the sodium-potassium pump, is a membrane protein found in the cell membrane of most animal cells. It plays a crucial role in maintaining the electrochemical gradient across the cell membrane by actively transporting Na+ ions out of the cell and K+ ions into the cell.
The first step of the Na+-K+ pump cycle involves the binding of three intracellular Na+ ions to specific binding sites on the cytoplasmic side of the pump. This binding triggers a conformational change in the pump, causing it to phosphorylate using ATP (adenosine triphosphate) and transfer a phosphate group to the pump. This phosphorylation step provides the energy needed for the subsequent steps of the pump cycle.
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cytochalasin b is a chemical that disrupts microfilament formation
using your knowledge of photosynthesis, explain what is meant by the sentence “plants give us what we need and we give plants what they need.”
Which sentence has a critical tone?
dx because its demanding to the cast
according to the complete replacement model, anatomically modern homo sapiens first appeared in africa ?
According to the complete replacement model, anatomically modern Homo sapiens first appeared in Africa. This model posits that anatomically modern humans (AMH) evolved in Africa around 200,000 years ago and then spread out across the world, replacing all other human populations that had already been there.
The complete replacement model is also known as the Out of Africa model. Scientists have proposed various models of human evolution over the years. The complete replacement model is one such model. According to this model, anatomically modern Homo sapiens first appeared in Africa and then replaced all other hominid populations, including the Neanderthals and other archaic humans, through migration and interbreeding. The Out of Africa model posits that modern humans evolved in Africa around 200,000 years ago and then migrated out to other parts of the world, replacing all other human populations that had already been there.
This model is supported by a wealth of archaeological and genetic evidence that shows that modern humans share a common African ancestry. Genetic studies have revealed that the genetic diversity of modern human populations is highest in Africa, which supports the idea that modern humans first evolved there and then spread out across the world. The genetic evidence also suggests that modern humans migrated out of Africa in waves, with the first wave leaving around 60,000 years ago and then spreading to other parts of the world over the next few thousand years.
There are, however, some limitations to the complete replacement model. For example, it cannot account for the fact that some populations, such as the Neanderthals and other archaic humans, lived alongside anatomically modern humans for thousands of years before disappearing. This has led some scientists to propose alternative models of human evolution that include interbreeding between modern humans and other hominids.
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"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
For a fossil to be definitvely classified as part of the human evolutionary line, there must be evidence of:
For a fossil to be definitively classified as part of the human evolutionary line, there must be evidence of some key traits and features. These include the presence of bipedalism, increased cranial capacity, and dental and skeletal changes that indicate adaptations for tool use and a carnivorous diet.
Additionally, the fossil should date to a time period that corresponds with the emergence and evolution of the genus Homo. Scientists look for a number of other morphological characteristics as well, such as the shape and size of the skull, the size and shape of the jaw and teeth, and the length and proportion of the limbs.
Finally, the fossil should be found in association with other fossils or archaeological materials that are characteristic of early hominids. In general, scientists use a combination of these factors to determine whether a fossil is part of the human evolutionary line.
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1. Scientists cannot perform an experiment without first asking questions about the things they observe around them. What was the question Redi wanted to answer?
Answer:
A scientific investigation is a plan for asking questions and testing possible answers. A scientific investigation typically begins with observations. Observations often lead to questions. A hypothesis is a possible logical answer to a scientific question, based on scientific knowledge.
Explanation:
The process of science involves asking a question and then forming testable hypotheses in order to gather evidence either to support or to refute it. So-called "cherry picking" of evidence to support an idea and ignoring evidence that may refute it does not advance knowledge and is not the scientific method.
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Label the photomicrograph of thin skin.
The photomicrograph of thin skin needs to be labeled to identify its various components and structures accurately.
What are the key components and structures that need to be labeled in the photomicrograph of thin skin?In this section, the various elements of thin skin visible in the photomicrograph should be identified and labeled.
These may include the epidermis, dermis, hair follicles, sweat glands, sebaceous glands, blood vessels, nerve endings, and any other relevant structures present in the image.
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Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
which component of the immune system circulates in the blood, coats the surfaces of microbes to make it easier for other components to eliminate them, and can even poke holes in microbial membranes to destroy them?
The immune system's complement proteins circulate in the blood, coat microbe surfaces to make it easier for other components to get rid of them, and can even pierce microbial membranes to kill the bacteria.
Complement is a system of plasma proteins that can be activated by pathogens directly or indirectly through an antibody that is bound to the pathogen. C1, C2, and C4 are a few examples of complement proteins. The liver, in particular via hepatocytes, produces and secretes the majority of the complement proteins that are found in serum. However, not all of the body's locations that require complement activation are reached by serum. Their numbers range from C1 to C9. You can measure complement proteins separately or collectively. The two complement proteins that are most frequently examined are C3 and C4.
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In complex movements, muscles commonly work in groups rather than individually. The hamstrings flex the knee. Which muscles are antagonists to the hamstrings?.
The antagonist is the quadriceps. The quadriceps contract to extend the knee during the contact and recovery phase, while the hamstrings lengthen to allow movement.
Is the hamstring stretch antagonistic or agonistic?
When the knee extends, the hamstrings stretch, as well as the antagonists of this activity. When the knee bends, the hamstrings become the agonist muscle, and the quadriceps now become the antagonist.
The three hamstring muscles are as follows: Biceps femoris, located on the outside of your body. This hamstring's function is to flex your knee, extend your thigh at your hip, and rotate your lower leg from side to side when your knee is bent.
Therefore, In complex movements, muscles that are antagonists to the hamstrings are the quadriceps.
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A new golf course is built next to a river. Over the past several months, the nitrate levels of the water in the river have been increasing. Which best explains the cause of the increasing nitrate levels?Immersive Reader (1 Point) increased growth of algae decreased biodiversity runoff from fertilizer
Answer:
The answer is "runoff from fertilizer".
Explanation:
The fertilizer is any natural or synthetic material, which is applied with soil or tissue of plant species and provides one or more plant foods, which are necessary for plant growth.
Due to the high durability and excessive irrigation use, nitrate fertilizers, which provide high solubility, as well as the nitrate ion throughout the finishes the product and readily drained away, that's why the given choice is correct.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
Nitrates represent a very important class of plant nutrients which are highly essential for plant growth. Usually, nitrates enter into water bodies via different sources.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
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An adaptation is A.Any trait an organism possesses B.How an organism evolves during its own lifetime C.A gene an organism has D.A trait that helps an organism survive in its environment
Answer: Option D.
A trait that helps an organism survive in its environmen
Explanation:
This is because adaptation is the ability or process in which an organism can adapt , survive and function well in it's environment no matter the environmental conditions.
It refer to the traits or characteristics an organisms posses which make it to survive, reproduce and even transfer the traits to it's generations.