The statement "it prevents the formation of phospholipid bilayer" does not describe an antibiotic mechanism of action capable of enabling the antibiotic to kill bacteria.
What is an antibiotic?An antibiotic is a specific medication drug that hampers the growth of infectious bacteria, thereby being used in therapeutics against these pathogenic microorganisms.
The prevention of the formation of the phospholipid bilayer does not raise a therapeutic strategy to eliminate these infectious agents (i.e. bacteria) in the body in order recover the health state.
Antibiotics act for example by inhibiting the cell wall, altering cellular membranes, or inhibiting the synthesis of either DNA or RNA.
In conclusion, the statement "it prevents the formation of phospholipid bilayer" does not describe an antibiotic mechanism of action capable of enabling the antibiotic to kill bacteria.
Complete question:
Which statement does not describe an antibiotic mechanism of action, thus enabling the antibiotic to kill bacteria?
a. It prevent the formation of phospholipid bilayer
b. Inhibition of Cell Wall Synthesis.
c. Alteration of Cell Membranes.
d. Inhibition of Nucleic Acid Synthesis
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Heparin is a complex polysaccharide, a component of proteoglycans. Isolated heparin used as an anticoagulant, binds to the protein antithrombin and inhibits clot formation. As lipoprotein lipase is bound to the capillary endothelium
through proteoglycan, heparin also can bind to LP lipase and dislodge it from the
capillary wall. Why such treatment results in increased levels of triacylglycerols
in blood? For the answer:
a) draw the scheme representing the function of LP — lipase;
b) indicate the activator of this enzyme;
c) explain the mechanism of hypertriacylglycerolemia development in the
patient.
Give detailed answer
Treatment with heparin can lead to increased levels of triacylglycerols in the blood due to the effect it has on lipoprotein lipase (LP lipase).
a) The function of LP lipase is to break down triacylglycerols into free fatty acids and glycerol, which can then be taken up by cells and used for energy or storage. LP lipase is attached to the capillary endothelium through proteoglycans.
b) The activator of LP lipase is apolipoprotein C-II (apoC-II), which is found on the surface of chylomicrons and very low-density lipoproteins (VLDL).
c) The mechanism of hypertriacylglycerolemia development in patients treated with heparin involves the binding of heparin to LP lipase. Heparin can dislodge LP lipase from the capillary wall, preventing it from effectively breaking down triacylglycerols. This results in an accumulation of triacylglycerols in the blood, leading to increased levels of triacylglycerols.
In summary, heparin treatment can disrupt the function of LP lipase, which is responsible for breaking down triacylglycerols. This disruption leads to increased levels of triacylglycerols in the blood.
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which of these structures is a separate generation from the plant sporophyte?
The male gametophyte is a separate generation from the sporophyte of the plant.
The life cycle of higher plants is dominated by the sporophyte stage, where the gametophyte bears the sporophyte. In ferns, the gametophyte is free-living and structurally very different from the diploid sporophyte. In mosses such as mosses, the haploid gametophyte is more developed than the sporophyte.
In the sporophytic phase, the diploid (having two sets of chromosomes) grows and then produces spores by meiosis. These spores divide mitotically to form haploid (with one set of chromosomes) gamete-producing bodies called gametophytes. The fusion of two gametes during fertilization produces a diploid zygote that divides mitotically to form a new sporophyte.
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in genral, fossilization requires an organism to have ___ and to be ___.
a. soft parts / buried quickly
b. soft parts / buried slowly
c. hard parts / buried quickly
d. hard parts / buried slowly
Answer: C
Explanation: The process of fossilization is easier with an organism that has hard parts because it decomposes slower than a soft-bodied organism. They must also be buried quickly to avoid decomposition.
Cholesterol is ________. Multiple Choice not essential in the diet; the human body can synthesize it not found in foods of plant origin an important part of human cell membranes and is necessary to make some hormones All of these choices are correct.
Cholesterol is not essential in the diet as the human body can synthesize it on its own.
Cholesterol is a lipid molecule that is crucial for various physiological functions in the body. It is synthesized primarily in the liver, but it can also be obtained from dietary sources. While it is not essential to consume cholesterol through the diet, some foods, such as meat, eggs, and dairy products, contain varying amounts of cholesterol. However, plant-based foods do not contain cholesterol.
Cholesterol plays a vital role in the structure and function of cell membranes, contributing to their stability and fluidity. Additionally, cholesterol serves as a precursor for the synthesis of several hormones, including steroid hormones like cortisol, estrogen, and testosterone. These hormones are involved in various processes, such as metabolism, growth, and reproduction.
While cholesterol is necessary for certain bodily functions, excessive levels can be detrimental to health. High levels of cholesterol in the blood can contribute to the development of cardiovascular diseases. Therefore, it is important to maintain a balanced and healthy cholesterol level through proper diet and lifestyle choices.
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Some applications in biology, such as polymerase chain reaction (PCR), require melting the DNA double helix into single strands of DNA. This can be accomplished by heating the DNA. As DNA is heated, why does the double helix structure denature into single strands of DNA but not into individual nucleotides
When DNA is heated, the double helix structure denatures into single strands of DNA and not into individual nucleotides because of the nature of the DNA structure
DNA is made up of nucleotides that are covalently linked to one another. The two strands of the double helix are bonded to each other by hydrogen bonds between complementary base pairs.A nucleotide has a phosphate group, a nitrogenous base, and a sugar molecule as its three parts.
The nitrogenous base pairs of the DNA molecule are held together by hydrogen bonds. The DNA molecule's double helix structure is maintained by these bonds. When DNA is heated, the double helix structure denatures into single strands of DNA and not into individual nucleotides because of the nature of the DNA structur. Hydrogen bonds in DNA's nitrogenous bases break down as the temperature increases, causing the helix to unravel.
As a result, the double helix structure is lost, and the DNA strands are denatured. It should be noted that DNA will return to its double helix form when the temperature is lowered. This property of DNA to melt and then re-anneal is widely used in molecular biology techniques such as PCR, which requires the denaturation of DNA so that primers can bind to the template DNA and start amplification.
DNA, or deoxyribonucleic acid, is the genetic material that contains the blueprint for all living things. It is a long, complex molecule that is made up of nucleotides, which are the building blocks of DNA. Each nucleotide consists of a sugar molecule, a nitrogenous base, and a phosphate group.The DNA molecule has two strands that are twisted together to form a double helix structure.
The two strands are held together by hydrogen bonds between complementary base pairs. Adenine pairs with thymine, and guanine pairs with cytosine. The DNA molecule's double helix structure is maintained by these bonds. When DNA is heated, the double helix structure denatures into single strands of DNA and not into individual nucleotides because of the nature of the DNA structure.
When DNA is heated, the hydrogen bonds between the complementary base pairs break down as the temperature increases. This causes the helix to unravel, and the double-stranded DNA molecule separates into two single strands. These single strands of DNA are said to be denatured. Denaturation is the process by which a protein or nucleic acid molecule loses its shape, causing it to lose its function. In the case of DNA, denaturation occurs when the hydrogen bonds between the complementary base pairs break down due to high temperature.The denaturation of DNA is important in many biological processes, including DNA replication and transcription.
It is also used in molecular biology techniques such as PCR, which requires the denaturation of DNA so that primers can bind to the template DNA and start amplification. PCR is used to amplify a specific region of DNA, making it possible to study the DNA sequence of that region in more detail.Overall, the denaturation of DNA into single strands is an important process that occurs in many biological processes and is widely used in molecular biology techniques such as PCR.
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a _________ happens when some benefits are lost to gain
other benefits
Answer:
a life event happens when some benefits are lost to gain other benefits
What are the 2 ways a channel can be made? (science)
Glaciers that carved down large gorges between two continental masses are thought to be responsible for some of the channels.
Where do channels come from?Glaciers that carved down large gorges between two continental masses are thought to be responsible for some of the channels. People typically dig channels out of the bottom of shallow waterways so that large ships can travel through them. They are referred to as navigation channels.A canal is a man-made waterway that enables ships and boats to move between different bodies of water. Water is also transported through canals for human purpose, including irrigation.Although a strait and a channel both join two bodies of water, a channel is frequently wider. A sound is similar to a strait but wider. Normally, islands are separated from other bodies of water by a channel. Though they are frequently used synonymously.To learn more about Canal refer to:
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what is a sequence of growth, replication, and division that produces new eukaryotic cells called?
A wave transfers
a
Energy
b
Particles
c
Water
d
Air
Answer:
a
Explanation:
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. In water waves, energy is transferred through the vibration of the water particles.
A farmer has applied a pesticide to control a pest population that is affecting her crops. The pest population has reacted as shown below.
A chart begins with 4 green bugs and 1 brown bug. The brown bug survives and produces brown offspring.
Which best describes the process that the pest population has experienced due to this environmental change?
genetic diversity
natural selection
natural resistance
gene flow
The correct answer is option B. natural selection.
What is Natural Selection?Natural selection is a natural process in which well-adapted organisms tend to survive and reproduce more than less-adapted organisms. For example, tree frogs can be eaten by snakes and birds. This change means that some individuals have more environmentally-adapted traits than others, and their offspring are scarce. There is no doubt that natural selection has shaped the evolution of humankind in our farther past.
Natural selection is an inevitable result of three principles. Most traits are inherited, producing more offspring than can survive, and offspring with more favorable traits survive and have more offspring than individuals with less favorable traits.
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Answber:
the answer is B
Explanation:
H
Animals store most of their excess energy reserves as _____
and this is explained because
Animals store the extra energy as the complex carbohydrate glycogen.
What is glycogen?Glycogen is a polysaccharide of glucose. It serves as a form of energy storage in fungi as well as animals and is the main storage form of glucose in the human body.
The excess energy reserve as starch in case of plants and glycogen in case of animals.
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____________________________ is one of the greater and more
remarkable uses of magnets to look at organs and structures
inside your body.
Answerers : ECG, MRI, X-ray
Answer:
I think it's MRI
Explanation:
hope this helps!
would uug to cug be selectively neutral?
8. 4. What is the name of the molecule in plants that stores sugars? F. starch G. protein H. cellulose J. glycogen
Answer : i hope this answers your question :)
Explanation:Plants also can store the energy packed in a glucose molecule within larger starch molecules. They can even put the glucose into other sugars — such as fructose — to make a plant’s fruit sweet. All of these molecules are carbohydrates — chemicals containing carbon, oxygen and hydrogen.
starch is the storage form of glucose in plant cell.
what are the function of starch ?Starch is a complex carbohydrate found in plants which is mainly synthesized in the green leaves from glucose produced during photosynthesis and serves as the plant's reserve food material.
It's is present in food like root vegetables, beans and whole grains, break down of Starch will give rise to glucose and providing a more gradual energy source for different metabolic processes than simple carbohydrates,
Starch converts into glucose and these Glucose circulates throughout the body through bloodstream and gets taken up by cells and used as a source of fuel.
starch and starchy foods materials Provide energy to your brain and body , Supplying fiber, which help us to feel full, Supplying B vitamins, iron and calcium.
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can anyone writet about describing ● History of Ribosomes.
Answer:
The ribosome is a complex molecule made of ribosomal RNA molecules and proteins that form a factory for protein synthesis in cells. In 1955, George E. Palade discovered ribosomes and described them as small particles in the cytoplasm that preferentially associated with the endoplasmic reticulum membrane. Along with other scientists, Palade discovered that ribosomes performed protein synthesis in cells, and he was awarded the Nobel Prize in 1974 for his work.
Each ribosome has a large component and a small component that together form a single unit composed of several ribosomal RNA molecules and dozens of proteins. The ribosome is responsible for translating encoded messages from messenger RNA molecules to synthesize proteins from amino acids. The ribosome translates each codon, or set of three nucleotides, of the mRNA template and matches it with the appropriate amino acid in a process called translation. The amino acid is provided by a transfer RNA (tRNA) molecule. Each newly translated amino acid is then added to the growing protein chain until the ribosome completes the process of protein synthesis.
All animals areA) polytrophs.B) autotrophs.C) biotrophs.D) heterotrophs.
A heterotroph is an organism that consumes other organisms in a food chain.
So the answer is D) heterotrophs.
Plants on the other hand, are autotrophs, they are able to produce energy from solar energy, so they are the first one on the food chain.
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50 POINTS + BRAINLIEST IF CORRECT.
Which of these statements about ocean water is always correct?
a.) Its area is less than the area of freshwater.
b.)Its salinity is less than the salinity of freshwater.
c.) Its density is greater than the density of freshwater.
d.)Its temperature is greater than the temperature of freshwater.
Answer:
c.) Its density is greater than the density of freshwater.Explanation:
Seawater is denser than both fresh water and pure water because the dissolved salts increase the mass by a larger proportion than the volume.
The freezing point of seawater decreases as salt concentration increases.
Answer:
C.) Its density is greater than the density of freshwater.
Explanation:
Average density at the surface is 1.025 kg/l. Seawater is denser than both fresh water and pure water (density 1.0 kg/l at 4 °C (39 °F)) because the dissolved salts increase the mass by a larger proportion than the volume. The freezing point of seawater decreases as salt concentration increases.
I'm not sure it could also be D
increasing the mass of an object will ____ its kinetic energy
Answer:
Increase
Explanation:
As the mass of an object increases, it will always have more kinetic energy than an object with less mass.
What is the sentence of metastasize?
Fish or Mammals? Argumentation
Answer:
mammals
Explanation:
none needed
Answer these questions SCIENCE!!!
1. A mangrove community in a coastal area contains mangrove trees, mangrove water snakes, sheepshead, and Roseate spoonbills. Differentiate between this biological community, its populations, and its ecosystem. (1 point)
Think about the relationships between populations, communities, and ecosystems.
2. A red-tailed hawk catches and eats a deer mouse on the prairie. The deer mouse has been eating seeds from a purple coneflower. Draw a food chain with arrows to show these interactions. Label the producer, herbivore, and carnivore in the food chain. (1 point)
Think about how energy moves in a food chain.
3. A boreal forest in the northern United States surrounds a large lake.
a. What are some characteristics of the boreal forest, and what animals might live there? (1 point)
b. What are some characteristics of the lake, and what animals might live there? (1 point)
4. Domestic cattle often have interactions with wild animals. In South America, vampire bats drink the blood of sleeping cattle. Disease may spread through these bites. However, loss of blood does not cause great harm to the cattle. In North America, wolves sometimes attack and eat young cattle.
A. What are the names of these two interactions with cattle, and how do they differ from each other? (1 point)
In which situation are cattle hosts?
B. What would the interaction between the cattle and the vampire bats be called if the bats drank blood but somehow caused no harm at all to the cattle? Explain your answer. (1 point)
In which symbiotic relationship is one member unaffected?
The mangrove community comprises the different populations of species that interact within a specific geographic area, while the ecosystem encompasses the biological community and its physical environment. The food chain for the given scenario is Purple coneflower (producer) → Deer mouse (herbivore) → Red-tailed hawk (carnivore)
The biological community comprises all the populations of different species that coexist and interact within a specific geographic area, such as the mangrove community.
An ecosystem encompasses the biological community and its physical environment. It includes all the living organisms and the non-living components of the environment, such as air, water, soil, and nutrients.
Energy moves through the food chain, starting with the producer, which captures energy from the sun and stores it in its tissues. The herbivore consumes the producer, gaining energy from the stored sunlight. The carnivore then feeds on the herbivore, obtaining the energy stored in the herbivore's tissues.
The boreal forest is a cold, coniferous forest found in the northern hemisphere, characterized by long, snowy winters and short, cool summers.
The lake in the boreal forest is likely to be a freshwater ecosystem. It could be deep or shallow, depending on its geology, and might have inflows and outflows from rivers or other water sources.
The interaction between vampire bats and cattle is called parasitism and the interaction between wolves and young cattle is called predation. In both situations, the cattle are the hosts.
If the vampire bats drank blood from the cattle but caused no harm, the interaction would still be called parasitism. In a commensalism symbiotic relationship, one member benefits while the other is unaffected
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why is the negative pressure in the pleural cavity important? group of answer choices it reduces resistance it increases the gas exchange capability it reduces friction it allows the lungs to follow the thoracic cavity on expansion
Answer:
At rest, there is a negative intrapleural pressure. This provides a transpulmonary pressure, causing the lungs to expand. If humans didn't maintain a slightly negative pressure even when exhaling, their lungs would collapse on themselves because all the air would rush towards the area of lower pressure.tion:
Movement of substances is regulated because membranes are (___) permable
Answer:
Partially / semi permeable
Explanation:
Only certain substances can move in cells thus membranes are permeable partially.
What are binding sites, present on DNA, that bind regulatory proteins, resulting in an increased level of transcription for a gene that is distant from the binding site? O A. enhancer O B. augmenter OC. amplifier OD enlarger O E. promoter
answer: silencer repress transcription. Like enhancers, silencers can be found before or after the gene they control and can be some distance away on the DNA strand
Glucose is broken down durning cellular respiration to produce carbon dioxide and
Answer:
The answer is energy.
Explanation:
During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water. Energy released during the reaction is captured by the energy-carrying molecule ATP. Glucose is broken down during the cellular respiration to produce carbon dioxide and of course, energy.
I hope this helped :)
Answer:
energy.
During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water. Energy released during the reaction is captured by the energy-carrying molecule . Glucose is broken down during the cellular respiration to produce carbon dioxide and of courses with energy.
Explanation:
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Which two statements best describe jet streams?
O A. They move warm air away from the equator.
B. They always blow from west to east.
C. They always move air from over the ocean to over land.
D. They separate air masses of different temperatures.
Answer:
A AND D
Explanation:
students are modeling mRNA during the process of protein synthesis. which answer choice correctly describes the model of mRNA strand being transcribed
Answer:
This question lacks options, the options are:
A. the mRNA strand is complementary to the DNA template strand; however, uracil instead of adenine is paired with thymine
B. the mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine
C. the mRNA strand is an exact copy of the DNA template strand; however uracil instead of adenine is paired with thymine
D. the mRNA strand is an exact copy of the DNA template strand; however, uracil instead of thymine is paired with adenine
The answer is B
Explanation:
Protein synthesis which encompasses how gene is used to synthesize proteins consists of two processes namely; transcription and translation.
- Transcription is the process whereby the sequence of a DNA template is used to synthesize a mRNA strand. The mRNA sequence is synthesized using the COMPLEMENTARY BASE PAIRING RULE, which states that Adenine base (A) will always hydrogen pair with Thymine (T) while Guanine (G) will always pair with Cytosine (C).
This means that the mRNA strand produced is complementary to the DNA template strand that was transcribed. However, Uracil base (U) replaces thymine (T) in the mRNA molecule because Thymine is not found in RNA. Hence, Uracil instead of Thymine pairs with Adenine in the mRNA.
That is;
A - U, T - A, G - C.
_____________ means loss of muscle function, loss of sensation, or loss of both muscle function and sensation.
The study of the nerve cell is called nervous tissue. The nerve cell is made up of cyton, dendrite, axon, and synaptic ending.
What is voluntary muscle?Those actions which you can control is called voluntary muscle. For example - moving of hand.Spinal nerves serve as the paths of communication between the spinal cord and specific regions of the body. Roots refer to the bundles of axons that serve to connect each spinal nerve to a segment of the spinal cord via smaller bundles of axons called root lets.The ventral root also called the anterior root and the associated rootlets contain axons of motor neurons. These motor neurons of the ventral root conduct nerve impulses from the Central Nervous System to effector organs. Muscles and glands are the effector organs. As these effector organs receive motor information, voluntary movements are generated.If the ventral root of the spinal nerve were cut, the effector organs will not get the motor information and no voluntary movements will be generated.To learn more information about the nerve tissue, refer to the link:-
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Which structure aids in balancing the amount of water inside and outside of both plant and animal cells?
Answer:
vacuole
Explanation: