What are the special attack enzymes bacteria produce to fend off viral attacks? *
Answers
Answer:
Many bacteria have a molecular immune system which allows these microbes to capture and retain pieces of viral DNA that they have encountered in the past, in order to recognize and destroy it when it shows up again.
Explanation:
Related Questions
a connective tissue graft involves harvesting donor connective tissue from the palate. group of answer choices true false
Answers
True, a connective tissue graft involves harvesting donor connective tissue from the palate.
The treatment of gingival recessions (GR), which are frequently observed in the general population, is routine in the periodontal clinic. There have been several proposed treatment methods, which can be further split into pedicle and free grafts. The latter can alternatively be categorised as connective tissue grafts or free gingival grafts (FGG) (CTG). Regenerative therapies or soft tissue substitutes are other therapy possibilities. The FGG technique was first described by Sullivan & Atkins in 1968. It was a simple procedure that worked well to achieve keratinized tissue, but it was unpredictable in terms of root coverage, produced subpar aesthetic results, and was associated with a high postoperative morbidity because the graft harvesting method left a wound in the donor site that would eventually heal by secondary intention. The single incision technique (SI) was later modified by Lorenzana and Allen and Kumar et al. in order to reduce that morbidity. Several authors proposed harvesting only the connective tissue (CT), using a variety of techniques, including the trap-door technique (TD), the parallel incisions technique (PI), and the single incision technique (SI). The CTG is considered to be the gold standard in the treatment of GR, as supported by scientific data. But once the graft has been harvested, issues could occur, and how the graft was harvested may have an impact. Despite the fact that there have been research on that topic, they are highly diverse.
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which of the following is an example of incomplete dominance? select one: a. color blindness b. major thalassemia c. beta thalassemia d. polymorphism e. abo blood groups
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The example of incomplete dominance among the given options is option e, ABO blood groups.
Incomplete dominance is a form of inheritance where neither of the two alleles is completely dominant over the other, resulting in an intermediate phenotype in heterozygotes. Among the given options, ABO blood groups demonstrate incomplete dominance. The ABO blood type system involves three alleles: A, B, and O. The A and B alleles are codominant, while the O allele is recessive. When an individual has both A and B alleles (heterozygous genotype AB), the phenotype is an intermediate blood type, exhibiting both A and B antigens on red blood cells. This intermediate phenotype is an example of incomplete dominance. Therefore, option e, ABO blood groups, is the correct answer.
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Can SOMEONE tell me where the heck the RIBOSOMES are in this pic cuz I never payed attention in BIO
Answers
Answer:
Ribosomes are yellow
Explanation:
Number 5
Answer:
i think it would be 1
its hard to tell from the pic
Explanation:
You've cut your finger on a broken beaker in your a & p lab. what sensory receptors allow you to feel the pain?
Answers
The sensory receptors responsible for detecting pain in this scenario are nociceptors.
Nociceptors are specialized sensory receptors that respond to noxious or potentially damaging stimuli, such as physical injury or chemical irritants. They are found throughout the body, including in the skin, mucous membranes, and internal organs. When a tissue is damaged, nociceptors detect the injury and generate electrical signals that are transmitted to the brain, resulting in the perception of pain. Nociceptors have high thresholds and are sensitive to a range of stimuli, including mechanical pressure, temperature extremes, and certain chemicals released during tissue injury. This allows them to alert the body to potential harm and initiate protective responses.
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Full from of DNA
Full from of RNA
Answers
Answer:
DNA=Deoxyribonucleic Acid
RNA=Ribonucleic acid
Which of the following are consequences of aging on the brain?
A. Reduced branching in dendrites
B. Increased density of the myelin sheath
C Shorter axons
D Slower reflexes
Answers
Reduced branching in dendrites, Shorter axons, and Slower reflexes are consequences of aging on the brain. The correct answers are A, C, and D.
As we age, our brains undergo a number of changes. One of these changes is a reduction in the branching of dendrites. Dendrites are the branching extensions of neurons that receive signals from other neurons. The reduction in dendrite branching can lead to a decline in cognitive function.
Another change that occurs in the aging brain is a shortening of axons. Axons are the long, thin projections that carry signals from one neuron to another. The shortening of axons can also lead to a decline in cognitive function.
Finally, aging can also lead to a slowing of reflexes. This is due to a decline in the function of the nervous system.
All of these changes can contribute to a decline in cognitive function in older adults. However, there are a number of things that can be done to slow or prevent these changes.
These include staying mentally and physically active, eating a healthy diet, and getting enough sleep.
Therefore, the correct options are A, C, and D, Reduced branching in dendrites, Shorter axons, and Slower reflexes.
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During asexual reproduction in paramecia, a single paramecium becomes two new paramecia. The genetic material of the new paramecia is usually —
Answers
Answer: identical to the original
Explanation: on the test eduphoria
As a research scientist, you measure the amount of ATP and NADPH used by the Calvin cycle in 3 hours. You find 9,000 molecules of ATP used, but only 6,000 molecules of NADPH. Where did the extra ATP molecules come from
Answers
Answer:
The correct answer is - Cyclic flow.
Explanation:
Cyclic electrons flow pumps proton in the lumen of thylakoid towards the concentration with the help of ATP synthase. This movement produces additional ATP.
These additional ATPs are come from cyclic electron flow, during light reaction come from cyclic electron flow, during light reaction.
7. Are the contour lines closer together on Able Hill or Baker Hill?
Answers
hope this helps
happy thanksgiving
Answer:
baker Hill
Explanation:
I know this because I know this.
How is wind energy different from energy from fossil fuels? Select two options. Wind energy is less consistent. Wind energy produces larger quantities of energy. Wind energy is cheaper to use. Wind energy replenishes itself more quickly. Wind energy produces more pollution.
Answers
Wind energy is different from energy from fossil fuels because Wind energy is less consistent and Wind energy replenishes itself more quickly.
Unlike fossil fuels, wind energy is dependent on weather conditions, which can fluctuate, leading to less reliable energy production.
Fossil fuels are finite resources that take millions of years to form, whereas wind energy is renewable and can be replenished naturally on a much shorter timescale.
Therefore, wind energy is not only more sustainable but also has the potential to produce larger quantities of energy at a cheaper cost than fossil fuels. Additionally, wind energy produces significantly less pollution compared to fossil fuels, making it a cleaner energy source for the environment.
Therefore the correct option is Wind energy is less consistent and Wind energy replenishes itself more quickly
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mendel hypothesized that reproductive cells have only one factor for each inherited trait. this hypothesis is supported by which observation?a. Haploid cells are produced by mitosis.b. Diploid cells are produced by mitosis.c. Haploid cells are produced by meiosis.d. Diploid cells are produced by meiosis.
Answers
Option - C: The observation that supports Mendel's hypothesis that reproductive cells have only one factor for each inherited trait is Haploid cells are produced by meiosis.
One pair of chromosomes and one copy of each gene are produced by the cell division process known as meiosis, which results in haploid cells. The homologous chromosomes couple up and exchange genetic material during meiosis, which causes the maternal and paternal chromosomes' genes to move around and recombine. Haploid cells with a distinct genetic makeup are created as a result of this process.
Mendel's research with pea plants allowed him to study the patterns of how characteristics are passed down from parent plants to offspring, which served as the foundation for his studies on inheritance. He proposed that distinct factors, or what we now know as genes, were in charge of determining features. Moreover, he suggested that these characteristics were inherited separately from one another.
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A guinea pig has red eyes, which is the recessive condition. Its eye color alleles are bb. In this example, bb is its ___________ . invariant trait genotype mutation phenotype
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In this example, the guinea pig's eye color alleles are bb, where b represents the recessive red eye color trait. The term that correctly fills in the blank is "genotype."
Genotype refers to the genetic makeup of an organism, specifically the combination of alleles that an organism carries for a particular trait. In this case, bb represents the genotype for the guinea pig's red eye color. The recessive trait is expressed when both alleles in the genotype are the same, as in this case where both alleles are b.
The term "invariant" refers to a trait that remains unchanged or constant, but it is not applicable in this context. "Mutation" refers to a change in DNA sequence that can result in a different trait, but it is not relevant to this question.
Similarly, "phenotype" refers to the observable physical or biochemical characteristics of an organism, but it is not the correct term to describe the genotype in this scenario.
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Explain how natural hazards can increase competition between organisms for food, water, space, or shelter.
Answers
Answer:
because eco systems and environments may be ruined, this limits the space for certain organisms. This is why they could compete more and fight.
Explanation:
what is the difference between eukaryotic and prokaryotic cells? (give 5 differences)
Answers
Answer:
Prokaryotes are always unicellular, while eukaryotes are often multi-celled organisms
eukaryotic cells are more than 100 to 10,000 times larger than prokaryotic cells
eukaryotic cells are more complex than prokaryotic cells
The DNA in eukaryotes is stored within the nucleus, while DNA is stored in the cytoplasm of prokaryotes
A Prokaryotic cell is surrounded by a single membrane layer but In the case of Eukaryotic, there are two surroundings 1. Plasma membrane 2. Nuclear membrane.
Explanation:
A reader’s blank is the extent to which he or she is engaged with or focused on what is being read.
Answers
Answer:
Activitey level
Explanation:
A reader’s activity level is the extent to which he or she is engaged with or focused on what is being read.
What is a reader?A reader is someone who decodes, deciphers, and interprets written texts (particularly narrative texts) or, more broadly, any text in the sense of signifying matter.
Engaged readers lose themselves in the books they are reading for fun and to pique their curiosity. learn about topics and tales that aid in learning and success.
Consider the demands of various readers when determining your audience and adjust your message to suit those needs.
Skimmers and Skeptics are the two reader groups to which your technical writing should generally be geared.
The degree to which a reader is involved in or concentrated on what is being read is known as the reader's activity level.
Thus, the answer is activity level.
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during which phase of the cell cycle does mitosis occur
Answers
Answer:
The M Phase
Explanation:
The process of mitosis, or cell division, is also known as the M phase. This is where the cell divides its previously-copied DNA and cytoplasm to make two new, identical daughter cells.
Why is Linnaeus called the father of taxonomy?
He created the classification level called domain.
He developed the modern system of naming organisms.
He explained the steps that led to the formation of a species.
He used more than one common name for the same organism
Answers
Answer:
he developed the modern system of naming organisms
The image shows a rain forest ecosystem. The energy from plants, or producers, acts as the starting point of energy in the ecosystem. This energy is transferred to other organisms in the food web. In which two ways is the total amount of energy conserved in the ecosystem?
Some energy is transferred to the organisms, and the remaining energy is released into the ecosystem as thermal energy.
Bacteria eat the dead bodies of organisms to release the organisms’ stored energy into the atmosphere.
Some energy is transferred to the smaller organisms, and the rest is stored in the bodies of larger animals.
Some energy is transferred to the organisms, and the rest is released by plants in the form of carbon dioxide.
Bacteria eat the dead bodies of organisms, obtain all the energy, and store it in their bodies.
Answers
Answer:
The correct answer is A and C.
Explanation:
the nuclear pore complexes provide the only known routes through which molecules can travel between the nucleus and the cytoplasm of interphase cells.
Answers
True. The nuclear pore complexes (NPCs) are large protein structures that span the nuclear envelope, which separates the nucleus from the cytoplasm in eukaryotic cells.
NPCs control molecular trafficking between the nucleus and the cytoplasm. RNA, proteins, and other macromolecules enter and leave the nucleus through these holes.
Small compounds can diffuse through NPCs, but bigger molecules need transport systems. Gene expression, RNA export, and protein import/export are enabled by the NPC's selective permeability. The nuclear pore complexes are the sole known pathways for interphase cell molecular transfer.
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Your question is incomplete but your full question was:
The nuclear pore complexes provide the only known routes through which molecules can travel between the nucleus and the cytoplasm of interphase cells. T/F
Lake Victoria in East Africa is home to many species of fish called cichlids. In 1954 the predatory Nile perch was introduced to Lake Victoria. The Nile perch became the dominant fish species in the lake by the mid-1980s. The number of cichlid species in the lake decreased as the Nile perch population increased. The perch preyed heavily on cichlid species that fed on algae and debris on the bottom of the lake. Algae in the lake increased, and oxygen levels decreased. The surface area of the gills of some cichlid species has increased in over 20 years.
A. Increased gill surface area has allowed the cichlids to change their diet and avoid competing with the Nile perch.
B. Increased gill surface area has allowed the cichlids to be camouflaged and avoid being eaten by the Nile perch.
C. Increased gill surface area has allowed the cichlids to leave Lake Victoria and establish populations in nearby bodies of water.
D. Increased gill surface area has allowed the cichlids to better absorb the limited oxygen in the water.
Answers
Answer:
D. Increased gill surface area has allowed the cichlids to better absorb the limited oxygen in the water.
Explanation:
As the Nile perch fed on cichlid species that feed on algae, algae growth increased in the lake. The algae absorbed more oxygen, leaving less for the fish. Those with larger gills were able to absorb oxygen more efficiently, and were able to survive.
Which microorganism is known for surviving in the phagolysosome to avoid host cell detection?
Answers
Mycobacterium tuberculosis is known for surviving in the phagolysosome to avoid host cell detection. Thus, option B is correct.
What is phagolysosome?A phagolysosome is a type of cytoplasmic body which is an union of phagosome and a lysosome. The interior is highly acidic and contain hydrolytic enzymes.
These enzymes digest and destroy the harmful microorganisms.
The mechanism of formation of Phagolysosome by phagocytosis is an immunological functions.
Although phagolysosome and phagosomes are membrane bound vesicles, primary difference is that phagolysosome is formed by the fusion of a phagosome with a lysosome where as phagosome is formed around the particles engulfed by a phagocytic cell.
Hence, option B is correct.
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Your question was incomplete. Hence the probable question was
Which microorganism is known for surviving in the phagolysosome to avoid host cell detection?
A. Escherichia coli
B. Mycobacterium tuberculosis
C. Mycoplasma sp.
D. micrococcus luteus
the broken branch how congress is failing america
Answers
The broken branch is a term often used to describe how Congress, as a branch of government, is failing America.
The dysfunction and lack of productivity in Congress can be attributed to a number of factors, including partisan gridlock, political polarization, and the influence of money and special interest groups. These issues have led to a breakdown in the legislative process, with important legislation often getting stalled or watered down.
Additionally, the inability of Congress to effectively address pressing issues such as healthcare, immigration, and climate change has contributed to a sense of disillusionment and frustration among the American people. It is crucial for Congress to address these challenges and work towards finding common ground in order to better serve the needs of the country.
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Is there a difference between clear and clean water? Explain.
Answers
Clean: refers to the contents of the water, usually means the water is without bacteria’s and therefore safe to drink
What was one of the most famous species studied by charles darwin?.
Answers
Answer:
Finches
Explanation:
The Main Value of the Flower to the Plant is for...
Adaptability for Sunlight Harvesting
Sexual Reproduction
Glucose Attraction
Water Storage
Answers
A number of genetic networks are linked to the growth and withering of plants, flowers, and fruits, and the phytohormone ethylene is important.
What benefit do flowers provide in terms of adaptation?Many plants have evolved flowers as a means of producing seeds for the germination of new plants. Some flowering plants attract insects with their vibrant petals and sugary liquid known as nectar. Visiting insects aid in spreading honey among flowers so that seeds can develop.
What benefit does sexual reproduction have for plants?Sexual reproduction results in variable offspring, which gives populations diversity and variance. It is crucial for plants because it gives variation to the offspring, which aids in improved survival, enables it to become distinctive within the species, and helps it get rid of undesirable genes.
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Only need answers.
1) Which of the following statements are 1 point true for filament winding process? 1. It is not possible to produce parts with reverse curvature (female features). 2. Fiber direction cannot be changed within a layer of winding. 3. Composite product configuration should be such that it should facilitate in mandrel extraction. 1 and 3 1 and 2 2 only All 1,2 and 3 2) flakes are commonly employed in 1 point paints and other coatings to enhance quality of finished surface. Mica Silver Aluminum Copper 3) Assertion (A): Moldings made from SMC1 point have higher mechanical properties as compared to moldings made from DMC Reason (R): SMC contains longer as well as more fibers as compared to DMC Both A and R are true and R is the correct explanation of A Both A and R are true but R is NOT the correct explanation of A A is true but R is false A is false but R is true 4) Ceramics are very sensitive to thermal 1 point stresses. These materials have High Young's modulus and Low elongation capability. Low Young's modulus and High elongation capability. High Young's modulus and High elongation capability. Low Young's modulus and Low elongation capability. 5) In bag molding process, bleeder plies 1 point are used to act as a path way for air bubbles and volatile materials to exit out absorb excess resin protect against contaminating agents ensure that the part does not get stuck to the mold plate 6) is the most suitable fiber for the 1 point production of personal armor. Glass Fiber Carbon Fiber Ceramic Fiber Aramid Fiber 7) Match List I with List II and select the 1 point correct answer. List I a) Tungsten carbide in cobalt matrix b) Chromium carbide in cobalt matrix c) Titanium carbide in cobalt matrix d) Oxide based cermet List II 1. Turbine parts, Torch tips and Hot mill parts. 2. Thermocouple protection tube. 3. Wire drawing dies, Precision gauges. 4. Valve parts, Nozzles, High load bearings
a−3,b−4,c−1,d−2
a-3, b-4, c-2, d-1
a-2, b-1, c-3, d-4
a-2, b-1, c-4, d-3
8) Identify the fabrication process from the 1 point following diagram. Resin Transfer Molding Filament Winding Pultrusion Infusion 9) Which of the following statements are 1 point true for Spray Lay-Up process? 1. Laminates tend to be very resin-rich and therefore excessively heavy. 2. Short as well as long fibers can be incorporated by this method. 3. Resins need to be low in viscosity. 1 and 2 2 only 1 and 3 All 10). is a suitable resin for vacuum 1 point bag molding process. Polyesters Epoxy Vinylester None of these.
Answers
Filament winding is a manufacturing process used to produce composite structures, typically cylindrical or spherical shapes, such as pipes, pressure vessels, and rocket motor casings. Hence the correct option is D.
The filament winding process involves the precise winding of continuous fibers, typically made of materials like carbon or fiberglass, onto a rotating mandrel or mold.In filament winding process, it is possible to produce parts with reverse curvature, contrary to statement 1. Fiber direction can be changed within a layer of winding, so statement 2 is false. Composite product configuration should facilitate mandrel extraction, which is stated correctly in statement 3.
During the process, the fibers are impregnated with resin, which acts as a binding agent, providing strength and structural integrity to the final product. The winding pattern can be customized to achieve specific design requirements, such as varying fiber orientations or thicknesses in different sections of the structure.
Hence the correct option is D.
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Carson's book caused:
Opublic outcry
O public humiliation
Opublic discontent
O public indifference
Answers
Answer:
a reversal in U.S. pesticide policy, a nationwide ban on DDT for agricultural uses, and an environmental movement that led to the creation of the U.S. Environmental Protection Agency.
A team of scientists is excavating fossils from a rock layer. They discover fossils of trilobites, which are useful as index fossils. Which information about the rock layer is provided by the trilobite fossils
Answers
Answer:
The approximate or relative ages of the rocks and the fossils they contain.
The discovery of trilobite fossils in a rock layer provides important information about the age, environment, and depositional history of the layer that is in Option A, as the information can be used by geologists and paleontologists to better understand the geological history.
What are fossils?Trilobites are useful as index fossils because they are extinct and had a wide geographic distribution during the Paleozoic Era. The presence of trilobites in a rock layer indicates that the layer is from the Paleozoic Era, which spanned from about 541 million to 252 million years ago. Trilobites were marine organisms that lived in a variety of habitats, from shallow seas to deep ocean environments. The discovery of trilobite fossils in a rock layer suggests that the layer was deposited in a marine environment. The presence of trilobites in a rock layer can also provide information about the depositional history of the layer.
Hence, the discovery of trilobite fossils in a rock layer provides important information about the age, environment, and depositional history of the layer that is in Option A.
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question is incomplete, complete question is below
A team of scientists is excavating fossils from a rock layer. They discover fossils of trilobites, which are useful as index fossils. Which information about the rock layer is provided by the trilobite fossils
A)age, environment, and depositional history
B)skin
around the mid-1850s, mendel crossed true-breeding purple-flowered pea plants with true-breeding white-flowered pea plants. the results of his research provided us with the basic principles of heredity.
Answers
Answer:
Yes and you can use a Punnett square to predict the genotype of their offspring!
differences in the permeability of the nephron epithelium to water are partly based on the differential expression of membrane proteins that form water channels known as
Answers
The differential expression of membrane proteins that form water channels known as aquaporins , differences in the permeability of the nephron epithelium to water.
What are aquaporins and how does it form the water channels through the differential expression of membrane proteins?Aquaporins are the water channels that are formed inside the cell membrane and are made of protein.The aquaporins as the name depicts itself the water channel is made purposely in both plant and human body for the diffusion of water.Here the question is asked of the differences in the permeability of the nephron epithelium to water based on the differential expression of membrane proteins.Hence aquaporins are the water channels that are partly based on the differential expression of membrane proteins that form the water channels.Aquaporins are mainly responsible with the responsibility of maintaining the water content of the cell and circulating the water inside the cell.To know more about nephron visit:
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