Their DNA polymerase has compromised 3' to 5' exonuclease function.
PolymeraseAn enzyme that builds lengthy nucleic acid or polymer chains is called a polymerase. Using base-pairing interactions to copy a DNA template strand, DNA polymerase and RNA polymerase build DNA and RNA molecules, respectively, while half ladder replication builds DNA molecules.
For the polymerase chain reaction, a crucial molecular biology method, the thermophilic bacteria Thermus aquaticus' DNA polymerase is used. Template dependence or independence are two possible states for a polymerase. Template independent polymerase examples include poly-A-polymerase. Both template independent and dependent activity are known to exist for terminal deoxynucleotidyl transferase.
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Adenoviral pharyngitis is effectively treated with _________.
i. proteases.
ii. antibiotics.
iii. nucleotide analogs.
iv. none of the choices is correct.
v. lysozyme.
Adenoviral pharyngitis is a viral infection that cannot be effectively treated with none of the choices above (Option iv).
What is a virus infection?Virus infection is a pathologic condition where the trigger of disease is a virus that has humans as suitable hosts.
Adenoviral pharyngitis is a virus infection caused by a virus called Adenovirus, which is capable of infecting humans and different groups of animals.
Adenoviral pharyngitis is a viral disease that can be effectively treated with antiviral drugs.
In conclusion, Adenoviral pharyngitis is a viral infection that cannot be effectively treated with none of the choices above (Option iv).
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Why does population growth result in more death and damage from natural hazards?
Answer:
it would be bad because the more the population grows the less land and the less food.
Explanation:
hope this helps :D
When Joni first stepped onto the sailboat, she smelled the tangy sea air and felt the motion of water beneath her feet. After a few minutes, she no longer noticed the smell, but unfortunately she was aware of the rolling motion for hours. What types of receptors are involved in smell and detection of motion
The receptors involved in smell and motion detection are olfactory receptors and proprioceptors respectively.
Olfactory receptors are present on the cells of the olfactory epithelium in the nasal cavity. These receptors bind to the odor molecules and send signals inside the cell by producing chemical changes that are then detected and help in olfaction (detection of smell). These are a type of chemoreceptors.
Proprioceptors are a type of mechanoreceptors that detect changes in body position and maintain equilibrium. These receptors detect the position of limbs while walking and other activities. They are located in the skin, muscles, joints, and tendons.
Joni was able to smell the tangy sea air because of the olfactory receptors and was able to feel the motion of water beneath her feet because of the proprioceptors.
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Phenytoin blocks the opening of voltage-gated na channels in neurons. therefore, this action has its primary effects on which part of the neuron?
Numerous antiepileptic medications, such phenytoin, have been designed to block voltage-gated sodium channels (VGSC) in neuronal membrane. In addition, multiple toxins and pharmacological modulators work by attaching to various biophysical states of the VGSC to cause their effects. Depending on how modulatory agents act, some VGSC states are stabilized or destabilized, altering the channel's biophysical properties. The first anticonvulsant to successfully treat epileptic disorders without causing undesirable side effects such as brain drowsiness was phenytoin.
Phenytoin has been indicated to block high-frequency neuronal activity potentials from the inner vestibule of the pore, as demonstrated by electrophysiological research and site-directed mutation.
Frequency and voltage both affect phenytoin binding.
There are theories that phenytoin interferes with the late sodium current that sustains depolarizations in epilepsy by blocking non-inactivated channels.
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Science is the only field/discipline necessary to solve environmental problems.
a. True
b. False
Science is the only field/discipline necessary to solve environmental problems. The statement is true.
What is Science?The three main branches of modern science are typically: the natural sciences (such as biology, chemistry, and physics), which study the physical world; the social sciences (such as economics, psychology, and sociology), which study people and societies; and the formal sciences (such as logic, mathematics, and theoretical computer science), which study formal systems, which are governed by axioms and rules.If the formal sciences are considered science disciplines, there is debate. Due to the fact that they do not reliant on empirical data. In fields like engineering and medicine, applied sciences are disciplines that apply scientific knowledge to real-world problems.To learn more about Science with the given link
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The body in an erect posture, facing forward, arms at the side, palms facing forward, legs apart, feet pointing forward describes what term?
Anatomical position, or standard anatomical position, refers to the positioning of the body when it is standing upright and facing forward with each arm hanging on either side of the body, and the palms facing forward. The legs are parallel, with feet flat on the floor and facing forward.
The benefit of the palms facing forward is that it makes the radius, and ulna, the bones of the forearm run parallel to each other from the elbow to the wrist.
The term is used in medicine and related fields when referring to the position of body parts in relation to each other. There are four main anatomical positions which are:- supine, prone, right lateral recumbent, and left lateral recumbent. Each position is used in different medical circumstances.
The prone is defined as "lying flat with the face downward" and supine as "lying on the back."
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HELP ASAPPPP!!!! PLEASEEEE
While sitting on a picnic blanket at the park, Sami didn't notice ants swarming around her feet and repeatedly biting her. She became very itchy and uncomfortable. Now each time she goes to the park for a picnic, she becomes itchy and uncomfortable. What is feeling itchy and uncomfortable just by going to the park in this scenario?
Unconditioned stimulus
Unconditioned response
Conditioned stimulus
Conditioned response
Answer:
C: Conditioned stimulus
Explanation:
Conditioned Stimulus is feeling itchy and uncomfortable just by going to the park in this scenario. So, the correct option is (C).
What is Conditioned Stimulus?A conditioned stimulus is a stimulus which can be eventually trigger a conditioned response. It is a type of learned stimulus which can eventually trigger a conditioned response.
It is repeatedly associated with an unconditioned stimulus until it acquires the ability to elicit a response which previously did not occur. In Pavlov's experiment, the sound of the bell served as the conditioned stimulus, while the salivation of the dog served as the conditioned response.
A substitute stimulus known as a conditioned stimulus causes an organism to respond in the same way which an unconditioned stimulus does.
Thus, conditioned Stimulus is feeling itchy and uncomfortable just by going to the park in this scenario. So, the correct option is (C).
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A ""hot spot"" appears darker than other areas on a bone scan and indicates an area of _________ metabolism.
A ""hot spot"" appears darker than other areas on a bone scan and indicates an area of increased metabolism.
Nuclear imaging is used during a bone scan to assist identify and monitor various bone diseases. In order to observe internal structures like bones, such as the bones in the body, nuclear imaging uses small amounts of radioactive chemicals (radiotracers), a particular camera that can detect the radioactivity, and a computer. These could be metabolic or other chemical activity levels. Hot spots are regions with higher intensity. These might exhibit high levels of radiotracer concentrations as well as intense chemical or metabolic activity.
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The peoples of ancient mesopotamia tended to see the world as a hazardous place because:_______
The peoples of ancient Mesopotamia tended to see the world as a hazardous place because of the unpredictable flooding of the Tigris and Euphrates Rivers.
The civilization of ancient Mesopotamia grew up alongside the banks of two outstanding rivers, the Euphrates and the Tigris.
Within the midst of a full-size desert, the peoples of Mesopotamia relied upon these rivers to offer ingesting water, agricultural irrigation, and most important transportation routes.
He notes that an irrigation device that allotted water from the Euphrates and Tigris rivers had to be used to develop crops.
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According to the theory of endosymbiosis, early eukaryotes evolved by symbiotic association of prokaryotes. Which two protists evolved from a symbiotic relationship of organisms, which resulted in eukaryotic organisms containing chloroplasts?
paramecium
red algae
euglena
slime molds
The two protists that evolved from a symbiotic relationship of organisms are red algae and euglena.
What is symbiotic relationship of organisms?The symbiotic relationship is defined as the type of close relationship between two different organisms where by one or both benefit from each other.
According to the theory of endosymbiosis, which states that in symbiosis which involves a larger cell that serves as a host and a smaller cell that is referred to as an endosymbiont.
Therefore the two protists that evolved from a symbiotic relationship of organisms, which resulted in eukaryotic organisms containing chloroplasts is the red algae
euglena.
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Use homeostasis to explain why you might throw up if you eat food that has gone bad.
Food that has gone bad can cause food poisoning in which the body responds to maintain homeostasis through vomiting.
What is homeostasis?Homeostasis is defined as the ability of human beings to maintain a constant internal environment which is meant for their survival.
When an individual consumes spoilt food the body responds by showing the following symptoms such as:
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How does the fact that telomeres are long stretches of repeated nucleotides lessen the impact that somatic cells don’t have telomerase?
Telomerase activity is controlled during development and is extremely low in somatic (body) cells, virtually undetectable. These somatic cells age because they do not frequently use telomerase.
Telomeres are repetitive sections at the very ends of chromosomes that are present in a variety of eukaryotic species, including humans and unicellular protists. Each round of DNA replication wears down a little portion of the telomeres, which serve as caps to safeguard the interior chromosomal regions.Most somatic (body) cells do not typically have telomerase activity, but certain adult stem cells and germ cells—the cells that produce sperm and eggs—have.Adult germ cells, tumor cells, and fetal tissues all contain telomerase. Telomerase activity is controlled during development and is extremely low in somatic (body) cells, virtually undetectable. These somatic cells age because they do not frequently use telomerase.learn more about telomerase here: https://brainly.com/question/14213408
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____________________ treatment is the oral administration of radioactive iodine to destroy thyroid cells.
Answer: RAI
Explanation:
During the process of learning, the brain shows a characteristic called _____, which is the ability to change in response to intensive usage for a particular task like memorizing a page of physiology notes.
During the process of learning, the brain shows a characteristic called Plasticity.
What is plasticity?The ability of the brain to reconfigure its structure and function biologically, chemically, and physically is referred to as brain plasticity, also known as neuroplasticity. Neuroplasticity can develop as a result of brain damage or as a result of learning, experience, and memory formation.
New neural pathways become stronger with learning and new experiences, whereas less-used neural pathways weaken and eventually die. Synaptic pruning is the name of this procedure.
Recent studies suggest that mature brains continue to display plasticity as a function of learning, despite being usually linked with changes in childhood. Neuroplasticity has protective effects on trauma management during human development. Learning a second language or a musical instrument can also boost neuroplasticity.
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Evolutionary divergence in directions of high phenotypic variance in the ostracode genus Poseidonamicus
Evolutionary divergence in directions of high phenotypic variance in the ostracode genus Poseidonamicus to reconstruct in great detail the evolutionary history of a set of landmark-based morphometric characters.
Phenotypic varianceIn most cases, phenotypic variance mixes environmental and genotypic variance. There are three main types of genetic variance: additive genetic variance, dominance variance, and epistatic variance. The inheritance of a specific allele from a parent and this allele's independent impact on a particular phenotypic are both examples of additive genetic variance, which results in a departure of the phenotype from the mean phenotype. The phenotype variation brought on by interactions between different alleles controlling the same trait at a single locus is referred to as dominance genetic variance. Different alleles at various loci interact to produce epistatic variation.
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Carbon tends to share these electrons with ____________ , the elements that comprise a majority of living organisms.
One of the element that comprises the majority of living organisms and tends to share its electrons with carbon is Hydrogen.
What is hydrogen?Hydrogen is an essential organic compound which is present in all living organisms.
Hydrogen can easily share its electrons with other compounds thus making it highly reactive.
Hydrogen combines with oxygen to form water which contributes to about 60% of body weight.
Hydrogen along with carbon and oxygen molecule forms bicarbonate ion which is an essential ion present in the body.
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The location of an allele on a homologous chromosome is the same, but the allele information may be _______.
The location of an allele on a homologous chromosome is the same, but the allele information may be different
For genes with the same corresponding loci, homologous chromosomes are made up of chromosome pairs that are roughly the same length, centromere position, and staining pattern. The organism inherits one homologous chromosome from its mother and the other from its father.
The same genes are found in the same places all along the length of homologous chromosomes, which are paired together. A diploid organism has a full set of chromosomes since each homologous chromosome is inherited in one copy from each parent. A homologous set of chromosomes are identical in size and form and are highly similar to one another.
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In a voltaic cell, a salt bridge is needed to allow the motion of choose. Between the terminals. In the salt bridge, choose. Move toward the anode and choose. Move toward the cathode.
In a voltaic cell, a salt bridge is needed to allow the motion of ions between the terminals. In the salt bridge, anions move toward the anode and cations move toward the cathode.
What is a voltaic cell?A voltaic cell is an electrochemical device that harnesses the power of a chemical process to generate electrical energy. A voltaic cell's key components are:
Anode, an electrode where oxidation takes place. Anions move toward the anode.Cathode, an electrode where reduction takes place. Cations move toward the cathode.A salt bridge is an electrolyte chamber required to finish the circuit in a voltaic cell.Half-cells are containers that serve as a barrier between the oxidation and reduction reactions.The external circuit, which typically has a load attached to it, is used to carry electron flow between the voltaic cell's electrodes.A load is a component of a circuit that uses an electron flow to carry out a certain task.Working of a voltaic cell:When an electrode is dipped into the electrolyte at the electrode and electrolyte contact surface in a voltaic cell, the electrode's atoms tend to produce positive ions in the electrolytic solution while leaving the electrode's electrons unaffected. The electrode thus acquires a negative charge.
Additionally, the electrolytic solution's positive ions have a propensity to deposit on the electrode, giving it a positive charge. The electrodes get positively or negatively charged in relation to the electrolyte as a result of the two opposite processes. As a result, there is a potential difference between the electrode and electrolyte. The term "electrode potential" refers to this potential difference.
Now, the electrode where reduction occurs is known as the cathode and turns positive in relation to the electrolytic solution, whereas the electrode where oxidation occurs is known as the anode and has a negative potential in relation to the electrolytic solution. This caused a potential difference to form between the voltaic cell's two electrodes. Cell Potential is the name given to this potential differential.
The voltaic cell's potential is sometimes referred to as its electromotive force (EMF) when no current is being drawn from it. Electrons begin to flow from the anode (negative electrode) to the cathode (positive electrode) when an external circuit is connected to the voltaic cell. As a result, in the external circuit, the normal current flows from the positive terminal to the negative terminal.
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The Southern Oscillation is in a negative phase when pressures are: Group of answer choices low in both Tahiti and Darwin equal out in both Tahiti and Darwin higher in Tahiti than in Darwin are higher in Darwin than in Tahiti
The Southern Oscillation is in a negative phase when pressures are higher in Darwin than in Tahiti.
The Southern Oscillation Index (SOI) is a standardized index that is derived from the observed changes in sea level pressure (SLP) between Tahiti and Darwin, Australia. This index is used to predict future weather patterns. During El Nio and La Nia events, the SOI is one measurement of the large-scale fluctuations in air pressure that occur between the eastern and western tropical Pacific. These changes can be attributed to the Southern Oscillation. In general, when time series of the SOI are smoothed, a very good correlation with variations is seen in the temperatures of the oceans throughout the eastern tropical Pacific. The negative phase of the SOI indicates that the air pressure in Tahiti is lower than normal while the air pressure in Darwin is higher than normal. Extended periods of negative Southern oscillation index values coincide with ocean temperatures over the eastern tropical Pacific that are abnormally warm (cold), which is typical of El Nio (La Nia) events.
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1: At what level of visual processing is a visual illusion created?
2: how are blind spots and visual illusions related?
A psychological phenomenon known as a visual illusion is characterised by a perception that seems to deviate from objective reality. Visual illusions are perceived during the process of establishing size constancy from a two-dimensional retinal image in visual processing. Thus, the perception of visual illusions involves both low-level and high-level vision.
There is evidence to show that the illusion, which refers to a region of space that is invisible owing to occlusion (a blind spot), is still caused by visual mechanisms and can be just as convincing and potent as common visual illusions.
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The smooth but steady increase in muscular tension that is produced by increasing the number of active motor units is called __________.
The smooth, but steady, increase in muscular tension produced by increasing the number of active motor units is called a recruitment.
Muscle tension is the force produced when a muscle contracts (or when sarcomeres shorten). The two primary forms of skeletal muscle contractions, isotonic contractions and isometric contractions, are produced when a muscle contracts against a load that is not moving.
A load is transported as the length of the muscle varies during isotonic contractions, in which the tension in the muscle remains constant (shortens). Concentric and eccentric contractions are the two varieties of isotonic contractions. When a muscle contracts isometrically, the angle of a skeletal joint remains the same while tension is produced in the muscle. Sarcomeres shorten and muscles tense up during isometric contractions, but the load is not moved since the force generated is insufficient to overcome the resistance provided by the load.To know more about muscle tension click here
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Which of the following forms of energy is correctly paired with its definition?
Choose 1 answer:
A Potential energy - the energy associated with an object's motion
B
Kinetic energy - the stored energy of an object due to its position
Chemical energy - the energy contained within a system that is
responsible for its temperature
Thermal energy - the energy in a system due to its temperature
Answer:
[tex]\huge\boxed{\sf Thermal \ energy}[/tex]
Explanation:
Corrected definitions:
Potential energy:The energy possessed by a body due to its position is called Potential Energy.Kinetic Energy:The energy possessed by a body due to its motion is called Kinetic Energy.Chemical Energy:The energy possessed by the body due to its atoms and molecules is called chemical energy.Thermal Energy:The energy in a system due to its temperature is called Thermal Energy.[tex]\rule[225]{225}{2}[/tex]
Which one of the following is an example of a strong base?
OA. Hydrochloric acid
OB. Sodium bicarbonate
O C. Sodium hydroxide
O D. Acetic acid
Blood alcohol concentration (bac) is defined as the ration of alcohol in the system to ____________ in the system.
Blood alcohol concentration (bac) is defined as the ration of alcohol in the system to blood in the system.Also called blood alcohol concentration or blood alcohol level . The amount of alcohol which is present in the bloodstream.
A Blood alcohol concentration of 0.05% =0.05grams of Alcohol in every 100 milliliters of blood.It can be measured by breath,blood,or urine tests.High the percentage of alcohol higher the blood alcohol concentration. Levels can range from 0% to over 0.4% (a potentially fatal level).
It is a measurement of alcohol intoxication used for legal or medical purposes.There are some factors also which affects the blood alcohol concentration like - Age ,Tolerance, Metabolism, Medication,body, weight, etc
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During a mumps outbreak at a local school, a teacher has been exposed. the client has previously been immunized for mumps, and consequently possesses:_______
During a mumps outbreak at a local school, a teacher has been exposed. the client has previously been immunized for mumps, and consequently possesses acquired immunity.
What does acquired immunity means?
Acquired (adaptive or specific) immunity is not present at birth. It is learned. When a person's immune system comes into contact with foreign invaders and detects nonself substances, the learning process begins (antigens). The components of acquired immunity then discover the most effective strategy for combating each antigen and start to form a memory for that antigen. Specific immunity is another name for acquired immunity. Lymphocytes are the white blood cells that provide innate immunity (T cells and B cells).
After being exposed to a novel antigen for the first time, acquired immunity takes time to develop. However, subsequent reactions to the antigen are quicker and more efficient than those that followed the initial exposure because the antigen is recalled.
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What describes the relationship between a dominant and recessive allele?
Answer:
Dominant refers to the relationship between two versions of a gene.
Explanation:
Individuals receive two versions of each gene, known as alleles, from each parent. If the alleles of a gene are different, one allele will be expressed; it is the dominant gene. The effect of the other allele, called recessive, is masked.
What is the advantage of having the ans neuron that exits the cord synapse onto a second neuron before the target cell?
The advantage of having the autonomic nervous system (ans) neuron that exits the cord synapse onto a second neuron before the target cell shows regulation.
A synapse is in charge of allowing a chemical or electrical signal to travel from one neuron to another or to the intended cell. Synapses are essential for tying together sensory organs, particularly those that track down and send pain or touch inputs to the brain. Chemical and electrical synapses are two different kinds of synapses.
Through the synapse on the second neuron, the autonomic nervous system (ANS) is able to regulate the physiological functions of other systems. This implies that every component of the physiological processes can be separately controlled by the ANS.
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The right atrium is the receiving chamber for
the _______.
The left atrium is the receiving chamber for the ______.
A. body; lungs
B. lungs; body
C. kidneys; pancreas
D. pancreas; kidneys
Answer:
A. body; lungs
Which part of the zapotec agricultural system does not correspond well to western ecological understandings?
Zapotec agricultural is grown where the climate aloows such that crops, staple, corn, beans and squash. Zapotec society is oriented villages and complete agricultural.
Hunting ,fishing and gathering all are wild foods which is also practiced. Zapotec people created by most successful farming civilization in the america. Elaborated network of canals, dams and terraced fields and stored the water for irrigation.
Zapotec exploited rabbits as their food sources used their hair in textile production and some ritual practices.Zapotec people originated un the three central valleys were divided between different societies, which are separated by no mans land.They also maintained trade through Oaxaca.
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Which of the following describes the PHOTIC ZONE of the open ocean?
A. the shallowest part of the ocean where there is enough light to support plant life
B. the part of the ocean that CANNOT support photosynthesis
C. the darkest part of the ocean, where NO light can penetrate
Photic Zone of the open ocean is the shallowest part of the ocean where there is enough light to support plant life.
Therefore, the correct answer is Option A.
What is Photic Zone?Photic zone forms the top layer found near the surface of the ocean.It is also called the sunlight layer as it allows sunlight to penetrate which allows the organisms present in this layer to photosynthesize.In oceans, the photic zone may be as deep as 200 meters.Because of the availability of sunlight, many life forms are present in this zone like turtles, sharks, jellyfish, corals, phytoplanktons, zooplanktons etc.Below the photic zone is present the Disphotic zone or twilight layer where only small amount of light penetrates.Further below is the darkness or aphotic zone where there is no light. This forms about 90% of the ocean.Learn more about the photic zone here:
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