Answer:
Neonicotinoids are a class of insecticides that work by disrupting the transmission of nerve impulses in insects. The compounds are readily absorbed by plants and are present in pollen and nectar, making them highly toxic to bees and other pollinators.
When neonicotinoids come into contact with insects, they bind to certain receptors in the insects' nervous system, specifically the nicotinic acetylcholine receptors. These receptors are found at the junctions between nerve cells, known as synapses, where they play a key role in transmitting nerve impulses from one cell to the next.
The binding of neonicotinoids to the nicotinic acetylcholine receptors interferes with the normal transmission of nerve impulses at the synapses, leading to paralysis and ultimately death in the affected insects. This mode of action is specific to insects, which is why neonicotinoids are effective at controlling insect pests but are relatively non-toxic to mammals.
How does the shape of this seed help it to be transported
Answer:
The hook spurs allow it to be carried my fur because the hooked spurs can connect to the fur and be dropped at a new place, were a new generation of plants can grow! :D your welcome!
Explanation:
The induced to an enzyme binding its sube will over the binding of the active site of an enzyme to the A. Substrates B Reacts C. Trieste D Product
The induced fit of an enzyme binding its subunits will overlap the binding of the active site of an enzyme to the substrates. The induced fit mechanism shows that the conformational changes that the enzyme undergoes in order to accommodate its substrate enhance the enzyme-substrate affinity.
According to induced fit, the binding of the substrate to the active site of an enzyme induces a change in the shape of the enzyme, leading to the substrate being more securely held in the active site. The active site is the part of an enzyme where substrates bind to, and the catalytic reaction occurs. Enzyme-substrate interactions are governed by weak chemical bonds such as hydrogen bonds, van der Waals interactions, and hydrophobic forces. The formation of these weak bonds between the enzyme and the substrate lowers the activation energy of the reaction, thereby making it easier for the reaction to proceed.
The induced fit model of enzyme-substrate binding also ensures that only specific substrates can bind to the active site of an enzyme and prevents unwanted reactions from occurring.Apart from the induced fit, there are other mechanisms that help the enzyme in catalyzing the reaction. These mechanisms include strain and proximity effects, acid-base catalysis, and covalent catalysis.
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by most standards, homo sapiens group of answer choices is a successful genera. is a successful species. constitutes a majority of the cells on the planet. has not altered the face of the planet.
By most standards, Homo sapiens group is a successful species. It has dominated the planet earth.
Humans are the only known species to have developed complex societies. We have advanced technology, art, music, literature, science, and a well-established language system. We have also developed a civilization that supports over 7 billion people.
Homo sapiens have indeed altered the face of the planet in several ways. Our civilization has cleared out forests, drained wetlands, polluted water bodies, and even removed entire mountains for the extraction of resources. We have built large dams, highways, buildings, factories, and other structures that have changed the landscape in significant ways. Our presence has also impacted various ecosystems, and many species have gone extinct due to human activities.
Despite the changes that humans have made to the planet, we still have a chance to prevent further damage. The focus should be on developing sustainable practices that would help conserve the natural environment. We need to ensure that future generations have access to clean water, fresh air, and healthy ecosystems. We should also focus on mitigating the negative impacts of human activity on the environment.
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Which of the following are the characteristics of lymph nodes? Choose all that apply.
a. Have lymphocytes
b. Have a capsule
c. Activate lymphocytes
d. Have lymph
Lymph nodes are small, bean-shaped structures that are part of the lymphatic system, which is responsible for maintaining fluid balance and immune function in the body. They have several characteristics that enable them to perform their functions effectively. Firstly, they have a capsule, which is a tough outer layer that helps to protect the nodes from damage and infection. Secondly, lymph nodes contain lymph, which is a clear fluid that carries lymphocytes, a type of white blood cell that helps to fight infection and disease. Thirdly, lymph nodes are capable of activating lymphocytes, which means that they can stimulate these cells to multiply and attack foreign substances in the body. This process is essential for building immunity and protecting against future infections. Therefore, all of the options listed in the question are correct, as they describe different aspects of the structure and function of lymph nodes.
The characteristics of lymph nodes include:
a. Have lymphocytes: Yes, lymph nodes contain lymphocytes, which are a type of white blood cell that plays a crucial role in the immune system.
b. Have a capsule: Yes, lymph nodes are surrounded by a capsule made of connective tissue, which provides structural support and protection.
c. Activate lymphocytes: Yes, lymph nodes serve as a site for lymphocyte activation, which helps in the recognition and response to foreign substances or pathogens.
d. Have lymph: Yes, lymph nodes contain lymph, a clear fluid that circulates throughout the lymphatic system, carrying nutrients, waste products, and immune cells.
In summary, all the given options (a, b, c, and d) are correct characteristics of lymph nodes.
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identify the functional groups below which are present when fat is being metabolized in the body for energy. based on the functional groups present, do you expect the ph of urine to increase, decrease, or remain unchanged by the presence of ketone bodies? explain your reasoning.
When fats are metabolized in the body for energy, ketone bodies are produced, which contain the ketone functional group. Ketone bodies such as acetoacetate, β-hydroxybutyrate, and acetone can be excreted in urine and can cause a decrease in urine pH due to their acidic nature.
The functional group present when fats are metabolized in the body for energy is the ketone functional group, specifically acetoacetate, β-hydroxybutyrate, and acetone. These ketone bodies are produced in the liver when there is an insufficient amount of glucose available for energy production and are used as an alternative source of energy by the body. When ketone bodies are present in the urine, they can cause a decrease in urine pH due to the production of acidic compounds such as acetoacetic acid. This is because ketone bodies are acidic in nature and can lower the pH of the urine. Therefore, based on the functional groups present when fats are being metabolized for energy and the acidic nature of ketone bodies, we would expect the pH of urine to decrease, not increase, due to the presence of ketone bodies. The decrease in urine pH may be more pronounced in individuals with diabetes or other conditions that increase the production of ketone bodies, leading to a condition known as diabetic ketoacidosis. However, in healthy individuals, the presence of ketone bodies in urine is usually not significant enough to cause major changes in urine pH.
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Each cell has a structure that separates the inside of the cell from.the environment. What cell is this?
Answer:
Either the cell wall or the cell membrane.
Explanation:
All cells have cell membranes which line the outside of the cell, and some cells have cell walls, which also line the outside of the cell. Since all cells have cell membranes I am inclined to believe that the correct answer would be cell membranes.
Which statement describes the role of chlorophyll in the production of food during photosynthesis?
Answer:
Green substance in producers that traps light energy from the sun, which is then used to combine carbon dioxide and water into sugars in the process of photosynthesis Chlorophyll is vital for photosynthesis, which helps plants get energy from light.
Explanation:
I hope it's help you
How could you determine whether two groups of organisms that live in two different parts of the world were members of the same species, according to the biological species concept
Answer:
organisms belong to the same biological species if they can interbreed and produce viable fertile off springs
an explanation of a natural phenomenon supported by many observations and experiments over time
Answer:
Explanation of a natural phenomenon, supported by many observations and experiments over time, corresponds to a scientific theory.
Explanation:
A scientific theory begins with the observation of a natural phenomenon and the formulation of a hypothesis that explains its existence, which must be proven through observation and experimentation.
The approach of a theory follows the scientific laws and must be established on the basis of rigorous experimentation and measurement, establishing a relationship between what is observed and what can be proven, in such a way that a theoretical principle is elaborated to provide an explanation of the phenomenon.
A theory is subject to the scrutiny of the scientific community and can be refuted, when other data or experiments appear to oppose it. When the argument of a theory cannot be refuted, and is universally accepted, it becomes a scientific law.
Which is an example of an analogy?
O A. Restaurants and convenience stores both rely on the availability of
foods and other edible products.
B. A business's employees are like the spokes of a wheel; unless
everyone works together, the wheel won't turn.
C. The CEO is responsible for several aspects of a business,
including hiring, budgeting, and planning.
D. A business must continue to inform customers of the products
and services it can provide to the public.
Answer:
B
Explanation:
. A protease is added to a suspension of egg protein in a test-tube and kept at 37°C. After 8 minutes, the protein changes from cloudy to transparent. Which product, or products, will now be present in the test-tube
Answer:
amino acids
Explanation:
A protease is an enzyme capable of catalyzing the breakdown of proteins into polypeptide fragments and single amino acids, which are the building block of proteins. Proteases act by breaking peptide bonds by a process called hydrolysis, a reaction where water molecules break down peptide bonds (hydro means water and lysis means split). Proteases can be classified depending on the catalytic residue into cysteine, serine, threonine, aspartic, glutamic and metalloproteases.
The product that will be present in the test tube will be amino acids.
Protease is an enzyme that acts on protein by converting it into different
types of amino acids.
Amino acids are referred to as the building block of life and are important
nutrients in growth and replacement of worn-out tissues. The protease acts
on the protein by breaking the peptide bonds under the required
temperature.
An inadequate temperature may result in the denaturing of the enzyme
which was why the test was done at 37°C. This is the body temperature of
humans which led to the formation of amino acids which is absorbed by cells
of the body.
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Prior to reading, many people think about what they already know regarding
the topic. What is this active reading strategy called?
A. Asking questions
B. Summarizing
C. Drawing inferences
D. Activating prior knowledge
SUBMIT
Activating prior knowledge is the active reading strategy.
What is active reading strategy?
Active reading is a reading strategy that involves engaging with a text in a way that goes beyond just passively decoding the words on the page. It involves actively thinking about the text, making connections to prior knowledge, asking questions, making predictions, and reflecting on what has been read. The goal of active reading is to improve comprehension, retain information better, and engage more deeply with the material. Some common active reading strategies include highlighting, annotating, summarising, asking questions, and making connections to personal experiences or other texts.
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Which of the following is not a component of plasma?
A. Water
B. Globulins
C. Fibrinogen
D. Platelets
The correct answer is option D. Platelets
Platelets are not a component of plasma. Platelets, also known as thrombocytes, are cellular components of blood that are involved in clotting. They are not present in the liquid component of blood known as plasma.
The components of plasma include water, proteins (such as globulins and fibrinogen), electrolytes, hormones, waste products, nutrients, gases, and various other substances.
Plasma is the yellowish fluid portion of blood that remains after red blood cells, white blood cells, and platelets are removed by centrifugation.
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Hypothesize how lysosomes would be involved in chanting a caterpillar into a
butterfly.
Answer:
Lysosome will digest all the waste materials from the body of caterpillar which were not used to produce butterfly body. The lysosomes release enzymes that tell the rest of the cellular parts their roles in metamorphosis, the transformation of the caterpillar into the butterfly.
The lysosomes release enzymes that tell the rest of the cellular parts their roles in metamorphosis, the transformation of the caterpillar into the butterfly.
What are lysosomes ?
"Lysosomes are membrane-enclosed organelles that contain an array of enzymes capable of breaking down all types of biological polymers—proteins, nucleic acids, carbohydrates, and lipids".
What are enzymes ?
"Enzymes are proteins that help speed up metabolism, or the chemical reactions in our bodies. They build some substances and break others down".
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A student constructs a model using a fan and a pile of sand shaped like a dune. The student turns on the fan, observes the model for changes, and lists several conclusions in a chart.
1. Wind cannot erode landforms.
2. Wind can reduce the surface heights of landforms
3. Wind cannot transport materials
4. Wind cannot weather materials.
Answer: Im sorry i dont kno
Explanation:
Based on the observations of the sand dune model with a fan, the conclusions provided in the chart are incorrect. In reality, each statement's opposite is true.
What is Sand dune?A sand dune formed by wind or water flow is known as a sand dune. When there is a lot of loose sand present and the wind or water is powerful enough to shift the sand grains, sand dunes emerge. Beaches, deserts, and some riverbeds all contain sand dunes.
Based on the observations in the provided example, the following inferences are correct:
Landforms can be eroded by wind.Sand can be moved by wind and dumped elsewhere, altering the size and shape of landforms.Sand and other materials are transported from one location to another by wind, which is a significant agent of sediment transport.Materials can weather and degrade in the wind through abrasion and deflation.Therefore, the conclusions given in the chart are false based on the observations of the sand dune model.
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A cell that contains organelles called chloroplasts
A.Would not have a nucleus
B.Could be found in plants
C.Would belong to an animal
D.Would belong to bacteria
Explanation:
A cell that contains organelles called Chloroplasts could be found in plants.
Chloroplasts are organelles that conduct photosynthesis, where the chlorophyll(green pigments found in plant) captures the energy from sunlight, converts it, and stores it.A chloroplast is a type of organelle known as a plastid.
What are the risks, benefits and uses of cloning?
true or falseFish are anaerobic organisms.
Answer:
Most vertebrates, including fish, rely almost exclusively on aerobic metabolism, only switching to locally active anaerobic pathways during periods of increased activity or ambient low oxygen levels.
Explanation:
N/A
Answer:
False
Explanation:
Fish require oxygen
Determine the dna sequence by analyzing the location of each nucleotide across the four lanes of the electrophoresis instrument. provide the dna sequence as your answer here.
The specific electrophoretic diagram required to determine the DNA sequence is not found here but this technique refers to Sanger sequencing.
What is Sanger sequencing?Sanger sequencing is a technique used in molecular biology and genetics to determine the linear order of nucleotide bases in a given genomic sequence, which is fundamental to identifying alleles in a genome.
This technique (Sanger sequencing) is based on the use of certain analogous nucleotides that stop the process of amplification, which can be subsequently evidenced in an electrophoresis gel.
In conclusion, the specific electrophoretic diagram required to determine the DNA sequence is not found here but this technique refers to Sanger sequencing.
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predict what would happen if all the early mammals living 66 million years ago had died out in the creataceous mass extinction
If all the early mammals living 66 million years ago had died out in the creataceous mass extinction, the evolution of mammals, and the world in general, would have been drastically changed.
If all the early mammals living 66 million years ago had died out in the creataceous mass extinction, the evolution of mammals as we know them today would have been completely altered. Without the early mammals, their descendants would not have been able to evolve into the variety of species we know today, including humans.
This is because, without the early mammals, the other branches of mammal evolution would have had a harder time branching out. Without their adaptability, the other branches wouldn't have been able to adapt to their changing environments as easily, leading to their extinction as well. Without the evolutionary advantage that the early mammals had, the other mammals would not have been able to develop the wide variety of adaptations that we see today.
Also, without the early mammals, the ecological roles they had would have been filled by other organisms. For example, early mammals were largely responsible for controlling insect populations, and without them, different organisms would have had to fill the void and the balance of the ecosystem would have been disrupted.
Furthermore, the creataceous mass extinction was responsible for the extinction of the non-avian dinosaurs, and the niche that these animals filled would have been left empty as well. Without the early mammals and other animals filling these roles, the evolution of the modern world would have been drastically altered.
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What are the 2 jobs of DNA polymerase?
Answer:
Forms new strands of DNA and forms bonds between nucleotides it also has proofreading abilities
If a persons heart rate is not being controlled correctly by the brain which part of the brain isnt working correctly
Answer:
The medulla of our brain is the control center of our heart rate. It either slows or speeds the heart beats per minute.
Explanation:
In which form do animals transport carbohydrate on their blood?
In which form do plant transport around their bodies?
Answer:
Plants store carbohydrates in long polysaccharides chains called starch, while animals store carbohydrates as the molecule glycogen.
animals transfer carbohydrates in their blood by eating other animals
Plants store carbs in the form of long polysaccharide chains known as starch, whereas animals store carbohydrates in the form of the molecule glycogen.
How the body absorbs and transfers broken-down carbsPlants have two types of transportation systems: xylem and phloem. Water and minerals are transported by Xylem. Sugars and amino acids dissolved in water are transported by phloem.
The monosaccharide units, glucose, galactose, and fructose, are delivered through the small intestinal wall and into the portal vein, where they are sent directly to the liver.
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Which statement best describes a characteristic of an
ecosystem?
It must have producers and consumers but not
decomposers.
B It is stable because it has consumers to recycle energy.
C It always has two or more different autotrophs
filling the same niche.
0 It must have organisms that carry out autotrophic
nutrition.
Answer:
It must have producers and consumers but not decomposers.
Explanation:
A group of mussels were collected from the Arkansas River. Their lengths were measured as follows: 1in, 3in, 1. 5in, 1in, 2. 5in, 2in, 1in, 2 in, 1. 5in, 3. 5in
What is the average length for the mussels collected?
We add up the lengths of all the mussels and divide by the overall number of mussels to determine the average length of the mussels we collected from the Arkansas River.
The mussels range in length from 1 in. to 3 in., 1.5 in. to 1 in., 2.5 in. to 2 in., and 1 in. to 1.5 in. to 3.5 in.
Together, all the lengths add out to 19 inches (1 + 3 + 1.5 + 1 + 2.5 + 2 + 1 + 2 + 1.5 + 3.5).there are ten mussels in all.
We divide the total lengths (19in) by the quantity of mussels (10), which gives us the average. Average length is 19 in / 10 in, or 1.9 in. Consequently, the mussels gathered from the Arkansas River had an average length of 1.9 inches.
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PLEASE HELP ME WITH WITH ASAP!
which statement is true regarding the energy and wavelength of the waves in the electromagnetic spectrum? A The wavelength gets longer and the energy increases. B The wavelength gets longer and the energy decreases. C The wavelength gets shorter and the energy increases. D The wavelength gets shorter and the energy decreases.
Answer:
The answer should be letter D
Explanation:
Explain two things we can learn from fossils. (3 points)
Answer: We can tell how life existed on earth and how different plants and animals are related to each other. Often we can work out how and how and where they lived, and use this information to find out about ancient environments. Fossils can tell us about the past.
Explanation
Which example below is a concern related to nuclear energy?
long-term storage of waste
supplemental energy may be needed if weather is not ideal for energy collection
can be unsightly and/or noisy
potential for floods
Answer:
C. can be unsightly and/or noisy
Explanation:
Answers A, B, and D correspond with fossil fuels (fracking, coal/gas mines), wind/environmentally-powered energy (turbines), and hydroelectric power (dams).
"Noisy" and "unsightly" are the most accurate descriptions of the nuclear energy process.
If this helped you, I'd appreciate Brainliest! <3 TYWhich option identifies the degree needed to achieve the goal in the following scenario?
Nathan is interested in designing strength and conditioning exercise equipment for an athletics company.
master’s degree in biomechanics
certification in strength and conditioning
PhD in biomechanics
bachelor’s degree in kinesiology
Answer:
Actually, the answer is master’s degree in biomechanics.
Explanation:
I took the stem test on edgenuiity and got it right.
what can dmd do to your muscles?
Answer:
progressive weakness and loss (atrophy) of skeletal and heart muscles.
Explanation: