Penicillin inhibits peptidoglycan by releasing beta- lactam that includes penicillin, monobactams and carbapenems these are arranged in lactam ring in molecular structure that inhibit the synthesis of peptidoglycan layer of cell wall of bacteria.
Bacteria that grow in presence of penicillin is gram negative bacteria because these bacteria have lipopolysaccharide and protein layer that surrounds the peptidoglycan layer and this layer prevent the attack of penicillin.
Lipopolysaccharide protect the cell from the entry of toxic molecules like antibiotics and bile salts.
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Under what circumstances might the plates of the earth stop moving?
For the earths core to cool enough for convection to stop, then the plates would have no convection current to move them.
What do you mean by convection?Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity.
Convection occurs on a large scale in atmospheres, oceans, planetary mantles, and it provides the mechanism of heat transfer for a large fraction of the outermost interiors of our sun and all stars.
Fluid movement during convection may be invisibly slow, or it may be obvious and rapid, as in a hurricane.
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how can inheriting new characteristics be helpful for an organism?
Answer:
It will essentially help the organism for when it evolves whether it inherits good or bad characteristics.
Explanation:
Because it will have to evolve, it will either die out or thrive through those new characteristics. Which is a part of life.
In eukaryotes, the endoplasmic reticulum, golgi apparatus, lysosomes, vacuoles, nuclear envelope, and plasma membrane form a network of membranes called the:_________
According to the research, the correct option is endomembrane system. In eukaryotes, the endoplasmic reticulum, golgi apparatus, lysosomes, vacuoles, nuclear envelope, and plasma membrane form a network of membranes called the endomembrane system.
What is endomembrane system?It is the set of internal membranes that divides the cell into compartments formed by ER, Golgi complex, endosomes, lysosomes and nuclear envelope, all these organelles are members of the same family and communicate intensely with each other and with the outside of the cell via transport vesicles.
In this sense, it makes it possible to compartmentalize its interior, creating different spaces in which reactions can be carried out, participating in the production of cytoplasmic organelles.
Therefore, we can conclude that according to the research, the correct option is endomembrane system. In eukaryotes, the endoplasmic reticulum, golgi apparatus, lysosomes, vacuoles, nuclear envelope, and plasma membrane form a network of membranes called the endomembrane system.
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Biomedical research has led to the development of technology that can keep ill or incapacitated. patients
alive. How does this technology affect the decision on when they should be used on patients?
Creating a formula by _____ to the specific cells that are to be part of the formula is more accurate than typing the cell references.
Creating a formula by pointing to the specific cells that are to be part of the formula is more accurate than typing the cell references.
This is further explained below.
What are cell references?Generally, When working with Excel, you may refer to the value of a separate cell or cell range on the same worksheet or on a different worksheet inside the same spreadsheet by using something called a cell reference.
In a formula, a cell reference may stand in for a variable if the need arises.
In conclusion, Rather than manually putting in the cell references, it is more accurate to create a formula by pointing to the individual cells that need to be included in the formula.
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surfactant protein a promoter directs the expression of cre recombinase in brain microvascular endothelial cells of transgenic mice
Surfactant protein a promoter directs the expression of CRE recombinase in brain microvascular endothelial cells of transgenic mice Matrix Biol. Inflammation, tumor metastasis, and wound healing all rely on microvascular Endothelial cells.
Methods for studying these processes in vitro utilizing cells obtained from adult skin, the inner and outer segments of neonatal foreskin, and experimental animals are discussed. The endothelium is a thin membrane that lines the lining of blood protein arteries and the heart. Endothelial cells secrete chemicals that regulate vascular relaxation and contraction, as well as enzymes that regulate blood clotting, immunological function, and platelet adhesion (a whitish substance found in the blood).
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Which material is least dense? mantle oceanic lithosphere asthenosphere continental lithosphere
The Continental Lithosphere is the least dense because of its relatively low density. As a result, the Lithosphere is the most rigid part of the mantle, while the asthenosphere is the somewhat more fluid portion.
Although, the Continental Lithosphere is composed of an approximately 20 to 35-mile layer of the light granitic crust underlain by a 60 to 80-mile layer of the heavy mantle. Another possible option is the Oceanic Lithosphere, but it is 4 miles thicker than Continental Lithosphere.
Therefore, the Continental Lithosphere is the least dense compared to the Oceanic Lithosphere, Asthenosphere, or Mantle.
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Which organelle is involved in the breakdown of fatty acids and the detoxification of alcohol?
Peroxisomes is a type of organelle that is involved in the breakdown of fatty acids and the detoxification of alcohol.
What are peroxisomes?Peroxisomes are small membrane-enclosed organelles which contain specific type of enzymes that is involved in various metabolic reactions, such as several type of energy metabolism. Peroxisomes perform important functions such as lipid metabolism and detoxification of chemicals inside the cell. They also carry out oxidation reactions that is responsible for the break down of fatty acids and amino acids. It is also responsible for the detoxification of alcohol. Peroxisomes also play a vital role in the oxidation of particular biomolecules.
So we can conclude that Peroxisomes is a type of organelle that is involved in the breakdown of fatty acids and the detoxification of alcohol.
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Who was the scientist whose work provided the foundation for later understandings of genetics?
The scientist whose work provided the foundation for later understandings of genetics was Gregor Mendel.
Gregor Mendel is known to be the father of genetics because of the study he made of seven traits of a pea plant in order to study the passing on of traits. The two laws formulated by Gregor Mendel referred to as the 'law of segregation and 'the law of independent assortment' served to lay the foundation of modern genetics.
Gregor Mendel was able to predict the transmission of alleles or genes from parents to offspring even before the genes were discovered. The concept of dominant and recessive traits was also brought up by Gregor Mendel. Hence, due to such revolutionary findings, Gregor Mendel is known to be the scientist who laid the foundations of genetics.
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True or false: osteocytes and osteoclasts develop from the same type of stem cell.
Osteocytes and osteoclasts develop from the different type of stem cell. Thus, the give statement is False.
What is an Osteocytes?
Osteocyte, a cell that exists in the substance of full fledged bone. It possesses a little chamber called a lacuna, which is contained in the calcified framework of bone. Osteocytes get from osteoblasts, or bone-shaping cells, and are basically osteoblasts encircled by the items they emitted.
Cytoplasmic cycles of the osteocyte expand away from the phone toward different osteocytes in little channels called canaliculi. Through these canaliculi, supplements and side-effects are traded to keep up with the suitability of the osteocyte.
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If you receive information about an object through your tactile sense, you have?
Touched it
If you receive information about an object through your tactile sense, you have touched it.
What is tactile sense?Our skin has tactile receptors, which recognize the experience of touch. Our mouth and hands, for example, have more touch receptors than other parts of our skin. Identification of touch, pressure, pain, temperature, and texture depends on the tactile senses.What senses the sensation of touch?The activation of nerve signals that communicate the body's perception of texture, warmth, and other touch sensations is referred to as tactile stimulation.What are the four touch senses?Only the pressure sense has its own unique receptors among the thousands of nerve endings in the skin, which respond to the four basic sensations of pressure, hot, cold, and pain. The other four are combined to produce additional feelings.To learn more about tactile sense visit:
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When the electrons are released from the electron acceptor molecules, what else is produced?
H+ is created when the electrons are liberated from the electron acceptor molecules.
Hydrogen ion (H+)- Whenever a hydrogen atom acquires or loses an electron, a hydrogen ion is produced. The only time a positively charged hydrogen ion (or proton) is observed alone is when it is in a gaseous condition in a place that is almost particle-free.
Atom- A chemical element is uniquely defined by its atoms, which are tiny pieces of substance. An atom is made up of a core nucleus and one or more negatively charged electrons that orbit it. The positively charged, comparatively hefty protons and neutrons that make up the nucleus may be present.
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Inflamed tissue is often warm to the touch because of? infiltration by neutrophils. increased blood flow to the area. leakage of clotting proteins. accumulation of bacterial toxins.
Inflamed tissue is often warm to the touch because of: increased blood flow to the area.
Inflamed tissue is the one where foreign invaders like virus or bacteria attack. The immune cells then accumulate in that region to protect the body from any serious disease. To supply more and more immune cells to the tissue, the flow of blood increases and hence the area feels warm to the touch.
Blood is the red colored fluid present inside the body that helps in the transport of various substances across the whole body. The transported substances can be nutrients, waste material to be discarded, hormones, ligands, etc. The red color of the blood is due to the pigment hemoglobin.
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2. During an activity, a teacher labeled the following scenario as hypertonic. Is she correct? Why or why no
%H₂0
15%
solute
80% H₂O
% solute
It is a hypotonic solution because the solute concentration is more than the soluion.
hypotonic solution is the solution that has a lower solute concentration than the cell so water moves into the cell causing plant cells to swell and animal cells to swell and burst whereas hypertonic solution is the solution that has a higher solute concentration than the cell so water moves out of the cell and into the solution causing the cell to plasmolyze.During hypotonic solution, the plant cell fills up and become more rigid causes (turgor pressure) on the other hand animal cell The cell would burst (hemolysis).To know more about hypotonic solution visit :
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A patient is being tested for a hematological neoplasm. which finding(s) would be present in the patient if he or she tests positive for the neoplasm? select all that apply.
A patient is being tested for a hematological neoplasm. If he/she tests positive for neoplasm, there would be:
Increased proliferation of abnormal lymphocytes.Increased clotting time.What is hematological neoplasm?Hematological neoplasm is a neoplasm arising from hematopoietic cells found in the bone marrow, peripheral blood, spleen (organs of the hematopoietic system) and lymph nodes. Hematologic neoplasms comprise of multiple malignant diseases derived from cells of myeloid or lymphocytic hematopoietic lineages. Hence, classification of these disorders is primarily based on the hematopoietic lineage into lymphoid and myeloid neoplasms.
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Which type of malware relies on lolbins?
a. pup
b. bot
c. file-based virus
d. fileless virus
Correct option d) fileless virus
Fileless viruses take gain of local offerings and methods which might be a part of the working machine (OS) to keep away from detection and perform its attacks, and those local offerings utilized in a fileless virus are referred to as living-off-the-land binaries.
LOLBins is the abbreviated time period for Living Off the Land Binaries. Living Off the Land Binaries are binaries of a non-malicious nature, neighborhood to the working machine, which have been utilized and exploited with the aid of using cyber criminals and crime agencies to camouflage their malicious pastime.
Fileless malware is a kind of malicious pastime that makes use of local, valid gear constructed right into a machine to execute a cyber attack. Unlike conventional malware, fileless malware does now no longer require an attacker to put in any code on a target's machine, making it tough to detect.
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Binary fission is a type of ______ seen in prokaryotes, such as archaea and bacteria.
Binary fission is a type of asexual reproduction seen in prokaryotes, such as archaea and bacteria.
Binary fission is the formation of daughter cells by the separation of an organism into two parts. The division of the genetic material occurs by the method of duplication. The daughter cells are identical to each other. The examples of organisms that undergo binary fission are: Escherichia coli, Salmonella enterica and Clostridium botulinum.
Asexual reproduction is the process of producing new organism without the fusion of gametes. Only one parent can give rise to offspring. There are several methods of asexual reproduction. These are: binary fission, fragmentation, budding, vegetative propagation and spore formation.
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The harrison act required any person in the business of dealing in drugs covered by the act was required to register annually and pay a special annual tax of ______.
Anyone involved in the drug trade who was subject to the Harrison Act was required to register yearly and pay an additional $1 annual tax.
What prohibited by the Harrison Act?Congress passed the Harrison Act, which outlawed cocaine and opiates, in 1914. Alcohol prohibition soon followed, and by 1918, the United States had become a "dry" country. However, it did not indicate that drug use would stop.By whom is the Harrison Act enforced?In the US, a drug division was created. It was the Treasury Department that put a stop to all drug sales. By the middle of the 1920s, there was more demand for pharmaceuticals on the black market, indicating that the Harrison Act had really had an impact on the supply of narcotics.
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The skeletal muscle fibers that fatigue most easily are:_______
1. red muscle fibers.
2. slow oxidative (type i) fibers.
3. fast glycolytic (type iib) fibers.
The skeletal muscle fibers that fatigue most easily are fast glycolytic (type iib) fibers.
What is skeletal muscle fibers ?Flexible muscle fibers that range in diameter from less than half an inch to just over three inches make up skeletal muscles. Typically, these fibers run the entire length of the muscle. You may perform a wide variety of actions because to the muscles' ability to move bones when their fibers contract (tighten).
What are the characteristics of skeletal muscle fibers?Skeletal muscle is striated, similar to cardiac muscle; it has long, thin, multinucleated fibers that are crossed is covered by tiny red and white lines that give the muscle its distinctive appearance. Connective tissue holds skeletal muscle fibers together while allowing them to communicate with blood vessels and neurons.
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A glucose polymer synthesized by liver, muscle, uterine, and vaginal cells that serves as an energy-storage polysaccharide is a?
Glycogen, a glucose polymer synthesized through liver, muscle, uterine, and vaginal cells that serves as an electricity garage polysaccharides is glycogen.
Glycogen is a branched polymer of d-glucose that serves as a shop of electricity and carbon in vertebrates, and is observed in large part with inside the liver and skeletal muscle. 15. It possesses good sized structural similarity to amylopectin however is greater exceptionally branched, and is every now and then called animal starch.
This saved shape of glucose is made of many linked glucose molecules and is referred to as glycogen. When the frame wishes a brief increase of electricity or whilst the frame is not getting glucose from food, glycogen is damaged right all the way down to launch glucose into the bloodstream for use as gasoline for the cells.
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2. upon being diagnosed with cirrhosis of the liver, doctors urge patients to limit the amount of salt intake in their diet to help decrease the rate of scarring. the liver also produces a protein called albumin, which is responsible for maintaining osmotic pressure inside the blood plasma compartment of the body. over time scarring of the liver leads to a decreased production of this protein. when the levels fall, the blood plasma becomes (hypotonic, hypertonic) to the interstitial fluid. due to this osmotic imbalance, the tissues become (hypertonic, hypotonic) which leads to fluid seeping from the legs and feet. (2pt)
Signals are given to the kidneys to retain salt and water in the body when liver cirrhosis gets worse. Due to gravity when standing or sitting, extra salt and water first build up in the tissue beneath the skin of the ankles and legs.
What exactly is liver cirrhosis?Healthy liver tissue is gradually replaced by scar tissue in cirrhosis, a disease. The connective tissue reduces the liver's capacity to process nutrients, hormones, medicines, and naturally occurring pollutants as well as limits blood flow through the liver (poisons). Additionally, it reduces the liver's production of proteins and other chemicals.
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As cirrhosis of the liver becomes severe, signals are sent to the kidneys to retain salt and water within the body. the excess salt and water first accumulate in the tissue beneath the skin of the ankles and legs because of the effect of gravity when standing or sitting.
What is cirrhosis of the liver?
Cirrhosis is a slowly developing disease in which healthy liver tissue is replaced with scar tissue. The animal tissue blocks the flow of blood through the liver and slows the liver's ability to process nutrients, hormones, drugs, and natural toxins (poisons).
It also reduces the assembly of proteins and other substances made by the liver.
How quickly does cirrhosis progress?
Cirrhosis may be a very slow-acting disease. It can take up to 30 years to develop. the quantity of time it takes for cirrhosis to develop depends on a few factors, including the explanation for the cirrhosis, an individual's general health, lifestyle and genetics. Cirrhosis may be a serious condition.
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Some scientists are studying a newly discovered microbe and determine that it consists of a single cell, lacking a nucleus. this organism could be:_____
Some scientists are studying a newly discovered microbe and determine that it consists of a single cell, lacking a nucleus. this organism could be a bacterium.
What do you mean by bacterium?Any of a large group of one-celled organisms that reproduce by fission or by generating spores, lack a cell nucleus, and occasionally cause disease. They are the most prevalent life forms on Earth, present in all living organisms as well as all climatic conditions.What can be discovered in bacteria?Its gel-like matrix, which also contains other cell components like ribosomes, chromosomes, and plasmids, is made up of water, enzymes, nutrients, waste products, and gases.The cytoplasm and all of its elements are enclosed by the cell membrane. Bacteria do not have a nucleus that is contained in a membrane like eukaryotic (true) cells do.To learn more about bacteria visit:
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a group of similar cells that perform a specific function
Using nitrogen-fixing sobean crops to add nitrogen to degraded soils is an example of?
Biological augmentation
Using nitrogen-fixing soybean crops to add nitrogen to degraded soils is an example of Biological augmentation.
What is biological augmentation?The process of accelerating the breakdown of a pollutant through the addition of archaea or bacterial cultures is known as biological augmentation. It's possible that organisms from contaminated locations can already break down garbage, but possibly slowly and inefficiently.What is an example of biological enhancement?Systems that use biofiltration are frequently employed to remove toxins from soil or groundwater. Treatment ponds, slow sand filters, and bioswales are a few types of biofilters.What purpose does biological enhancement serve?The best part of this addition is that it is natural and enhances the quality, clarity, and reduction of organic sediments (muck) that build up over time on the bottom of a body of water. Clean-Flo is a pioneer in the stimulation of native microorganisms in addition to the addition of microbes.
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__________ are tunnel-like junctions that can occur anywhere along the lateral membranes of adjacent cells.
Gap Junction are tunnel-like junctions that can occur anywhere along the lateral membranes of adjacent cells.
Gap Junction- The intercellular networks known as gap junctions enable ions and small molecules to pass freely between cells. Nearly all cells in solid tissues are connected by gap junctions, which were initially discovered as low-resistance ion channels joining excited cells (nerve and muscle).
Cells- The fundamental units of all living organisms are cells. There are many billions of cells in a human body. They provide the body structure, absorb nutrients from meals, turn those food into energy, and perform certain tasks. A cell is a unit of tissue found in an animal's muscle.
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The resolving power of the earliest electron microscopes was at least ten times higher than that of the light microscopes, mainly because?
The resolving power of the earliest electron microscopes was at least ten times higher than that of the light microscopes, mainly because the wavelength of electrons is much shorter than the wavelength of light.
The electron microscope uses a beam of accelerated electrons to magnify the object whereas the light microscope uses visible light for this purpose. Unlike the light microscope, the electron microscope uses electromagnets as lenses.
The magnification of the electron microscope is much higher as compared to the light microscope and it produces high-resolution images. However, the Specimen preparation of an electron microscope takes several days while the Specimen preparation of the light microscope takes only a few minutes.
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The movement of oxygen and carbon dioxide between the alveoli and circulating blood is called:________
The movement of oxygen and carbon dioxide between the alveoli and circulating blood is called: respiration
The process in the human body that consists in the movement of oxygen and carbon dioxide between the alveoli and circulating blood is called respiration this process takes place in the respiratory tract.
What is the respiratory tract?Is the set of organs and ducts that form the structure in which the process related to human respiration takes place. It is divided into lower and upper, the lower respiratory tract is formed by the trachea, the bronchi and their branches inside the lungs, the bronchioles, and the upper respiratory tract is formed from the nose, the mouth to the vocal cords, and includes the pharynx and the larynx.
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I need help and fast.
Who coined the term "artificial intelligence"?
A. Bill Gates
B. John McCarthy
C. Steve Jobs
D. Jeff Bezos
What is an Hypothesis
Characteristics such as race, religion, national origin, or sex, which are protected by government assurances of civil rights, are called:_______
Characteristics such as race, religion, national origin, or sex, which are protected by government assurances of civil rights, are called inherent characteristics.
inherent characteristics are something that a person have acquired from inherently since his or her birth. It can be race, religion, national origin, sex, etc.
Civil rights are the personal rights that are guaranteed by the government of america to its citizens. It is protected by US constitution as well as by the various laws enacted by the congress like Americans with disabilities act of 1990, civil rights act of 1964.
Civil rights movement occurred in 1950-60s led by Martin luther, Malcolm X, Little rocky, etc.
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