Why are antimicrobial drugs of limited usefulness in bacillus anthracis infections?

Answers

Answer 1
Antimicrobial drugs are of limited usefulness because MOST STRAIN OF B. ANTHRACIS ARE RESISTANT TO A WIDE VARIETY OF ANTIMICROBIAL DRUGS. Bacillus anthracis is gram positive bacteria which exists in two forms; vegetable and spores form. It is an agent of bio-warfare because of its ability to kill quickly. 

Related Questions

ATP molecules, which are used for energy by cells, are built during all three stages of cellular respiration. Which stage of cellular respiration generates the most ATP molecules? The Krebs cycle O Glycolysis O The electron transport chain O Fermentation OThe electron transport chain

Answers

THE ELECTRON TRANSPORT CHAIN GENERATES THE HIGHEST NUMBER OF ATP. The electron transport chain produce 34 ATP molecules. The principal function of electron transport chain is to regenerate electron carriers and to make proton gradient. In glycolysis and fermentation processes, only 2 ATP are generated.

_______ is a condition that is characterized as long, narrow trunk, short limbs, and a large head. down syndrome turner syndrome jacob's syndrome achondroplastic dwarfism

Answers

ACHONDROPLASTI DWARFISM is a condition that is characterized as long, narrow trunk, short limbs and a large head. It is the most common type of dwarfism and it occurs in about 1 out of 40.000 babies. Other features of the condition include: protruding jaw, flattened bridge of the nose, forward curvature of the lower spine and bow legs.

Which normal cell characteristic is represented by the production of insulin in the beta cells of the pancreas?

Answers

The normal cell characteristic which is represented by the production of insulin in the beta cells of the pancreas is performance of a differentiated function.

Insulin is produced by beta cells of the pancreas for storing and disposing of glucose in various parts of the body. Although gene for insulin production is present in all cells but it is expressed only in the beta cells and this activity is a differentiated function of the beta cells of pancreas only. 

Do you think monogamy and polygamy are reproductive strategies?

Answers

Answer:

Indeed, both monogamy and polygamy are reproductive strategies adopted by the different species of the animal world.

Explanation:

Polygamy implies the adoption of a unique and stable partner by an individual, with which in principle it will reproduce. Different species, including humans or penguins, in addition to maintaining the same pair for reproductive purposes, generate bonds of coexistence.

Other species (in fact, most animal species) are not guided by this type of relationship, but fulfill their reproductive functions in a random way, that is, with several individuals of the same species in a random way, which is called polygamy. In this case, there is a constant change in the reproductive couple, which responds to multiple factors such as for example a gender disproportion within the species (for example, many females and few males would make those few males have to comply reproductive functions with several females during the mating period), or due to the non-sedentary nature of life of these species.

Answer:

Indeed, both monogamy and polygamy are reproductive strategies adopted by the different species of the animal world.  

The advantages for polygamy is more varieties of genetics and advantages for monogamy is you only need one parent to give birth. In this case, there is a constant change in the reproductive couple.

The disadvantages for polygamy is that the animal can’t have offsrpings if there aren’t two parents which will make it hard to find if there is not much of that certain species left. The disadvantages for monogamy is the genetics will not have varieties. Having a variation within a species means that, if the environment changes, there may be individuals within the species more able to withstand the change and survive. A disease or change in thr enviroment is less likely to affect all the individuals in a population.

Explanation:

Edmentum

If the diameter of an atom is 1 × 10-8 cm, what is the approximate diameter of its nucleus

Answers

Here we have to find the diameter of nucleus as the diameter of atom is given.
Diameter of atom is 1 x 10⁻⁸ cm
Radius of atom = diameter/2
so, radius of atom = 1 x 10⁻⁸ cm/2 = 5 x 10⁻⁹ cm
To find diameter of nucleus, first we have to find the radius of nucleus by using this formula,
R = rA⁽¹/³⁾     where R = radius of nucleus, r = radius of atom and A is a nucleon number, which is different for every atom
so, R=(5x10⁻⁹)A⁽¹/³⁾  
here atom is not mentioned, so we don't know the value of A
and Dimeter (D) = 2R, R = D/2
 D/2 = (5x10⁻⁹)A⁽¹/³⁾
Diameter of nucleus (D) = 2((5x10⁻⁹)A⁽¹/³⁾)

A minimum change in sensory intensity that is noticeable to an observer and can be coded into neural messages is known as the

Answers

Difference threshold is a minimum alteration in sensory intensity that is noticeable to an observer and can be coded into neural messages. Different threshold is the lowest level of encouragement that is essential to sense that a modification has happened the difference in the intensity between two stimuli that is necessary to yield a just notable difference also known as JND. The just notable difference depends not only on the intensity of the new stimulus but also on the level of stimulation already present which is the more intense the existing stimulus the larger the change must be to be noticeable. 

You are charged with securing a site to build a wind farm. As you survey different potential sites, you look for the one that:
a. is densely populated.
b. has hurricane force winds for one-fourth of the year.
c. experiences wind consistently through the year.
d. is closest to the equator for maximum sun exposure

Answers

Biology isn't my strong suit, but the reasonable answer to me would be C. If you are building a wind farm, you'd want a place where the wind constantly blows so you could harbor the wind and turn it into energy. A doesn't affect how the wind turbines turn. B would probably destroy the wind farm. D doesn't really directly affect how the wind blows.

Answer:

C.

Explanation:

got it right on odyssey

Identify two oral conditions related to nutritional factors

Answers

ill look for it hold on

Nutritional factors can impact oral health, particularly with dental caries and periodontal disease, which can lead to difficulties in eating and potential malnutrition, especially in the elderly.

Two oral conditions related to nutritional factors are dental caries (tooth decay) and periodontal disease (gum disease).

Dental Caries

Dental caries is caused by the interaction of bacteria, food, saliva, and the acid they produce, which can erode the enamel of teeth. Diets high in sugars and starches increase the risk of tooth decay, as they provide more substrates for bacterial acid production.

Periodontal Disease

Periodontal disease, an infection of the structures around the teeth, is also influenced by nutrition. A deficiency in certain nutrients, such as vitamin C, can impede the body's ability to maintain healthy gum tissue and increase susceptibility to periodontal disease.

Nutritional imbalances can lead to these and other oral conditions, which in turn can affect overall nutritional status by making it difficult for individuals, particularly the elderly, to consume a balanced diet, thereby potentially leading to malnutrition.

Which of the following is a type of passive transport?
A. Proton pumps
B. Exocytosis
C. Osmosis
D. Endocytosis

Answers

The correct answer is C. Passive transport refers to the movement of substances such as ions across the cell membrane without the use of energy. Examples of such movement is diffusion, facilitated diffusion, osmosis and filtration. The opposite of passive transport is active transport and this needs energy to occur. Examples of active transport are proton pumps, exocytosis and endocytosis.

A surgical procedure in which two tiny holes are drilled into the skull and electrodes are implanted in the brain is called _____.

Answers

A Surgical procedure in which two tiny holes are drilled into skull and electrodes are planted in the brain is called Deep brain Stimulation.
In disabling a variety of neurological symptoms, this neurological procedure is used. Neurostimulator are placed in the brain in order to send out electrical impulses in Deep brain stimulation.

Darwin proposed that evolution proceeded at a slow and steady pace, a model known as gradualism. but his galápagos finches did not follow this model. what model of evolution did they follow? explain how the two models differ

Answers

His finches followed the model of punctuated equilibrium which is when species develop rapidly at isolated events. This is contrary to gradualism because gradualism is when species develop slowly over time. Gradualism and punctuated equilibrium are two methods in which the evolution of a species can happen. A species can develop by only one of these or by both. Experts anticipate that species with a lesser evolution altered classically by punctuated equilibrium and those with an extended evolution established typically by gradualism. Gradualism is assortment and difference that occurs more gradually. Small differences that is appropriate to an organism somewhat improved to its environment are designated for a rare more people with more of the obliging trait endure, and a few more with fewer of the helpful characteristic die. Very gradually, over a long time, the inhabitants’ alterations. Change is slow, continuous, and steady. In punctuated equilibrium, alteration comes in spouts. There is an age of very slight modification and then one or a few huge variations happen, frequently through changes in the genetic factor of a few people. 

certain species of what are now recognized as indicators of environmental pollution

Answers

Microcystis is a genus of freshwater bacteria which is a part of harmful Algae blooms. These algae bacteria are indicators of phosphorus run off in places such as Lake Erie. These bacteria are signs of environmental pollution.

Answer:

The correct answer is lichens.

Explanation:

Lichens are a symbiotic association between the fungi and algae. The lichens are bioindicators, that is, they are very subtle to atmospheric pollution like nitrogen as they obtain all their water and nutrients from dry and wet atmospheric deposition. The deposition of nitrogen can enhance the nutrients load.  

Some of the species of lichens are more forbearing to nitrogen in comparison to others. The communities of lichens are monitored by the scientists, that is, if an enhancement in nitrogen tolerant species in association with a reduction in nitrogen sensitive species takes place, it suggests that there is an elevation in atmospheric nitrogen deposition.  

A mutation in human atpase 6 (which corresponds to

e. coli subunit

a.from leucine to arginine at position 156 may allow the movement of protons across the membrane, but not the rotation of the ring of c subunits. how might this possible mechanism affect the function of atp synthase

Answers

A mutation in human ATPase 6 from leucine to arginine at position 156 may allow the movements of protons across the membrane, but not rotating of the ring of c subunits.

 This possible mechanism affect the function of ATP synthase because there would be an uncoupling of proton translocation and ATP synthesis. ATP synthase would remain sensitive to F0 proton conduction inhibitors

Did the phylogenies of the different islands support the theory that one colonization followed by adaptive radiation and convergent evolution occurred?

Answers

Yes, the phylogenies of the different islands support the theory that one colonization followed by adaptive radiation and convergent evolution occurred.

Adaptive radiation is recognized as one of the most important processes responsible for the origin of biological diversity. Convergent evolution occurs when species have different ancestral origins but have developed similar features.

Bioavailability is defined as the degree to which an ingested nutrient is absorbed and so is available to the body.

Answers

I believe the given statement is true. Bioavailability is referred to as the degree to which an ingested nutrient is absorbed and so is available to the body. It is usually being associated with drug intake and is commonly used in pharmacology. It is used to measure the extent to which a drug is absorbed into the body.

Answer:

True.

Explanation:

Bioavailability refers to the amount of nutrients absorbed and available for use by the body. This is because not all consumed nutrients are actually used, and there may be interactions between substances or between the nutrients in food themselves, which increase or decrease the utilization of these nutrients. These factors are very important since the combination of foods can influence the bioavailability of essential nutrients for health.

In the diet of children we have a classic example of low bioavailability: milk, which is a very common food in this age group, and is also an important source of calcium if consumed with or near the intake of iron source foods (meat, vegetables). greens, beets and beans), causes decreased use of iron. As a result, the child may have anemia, so these two sources should not be consumed together often.

What enzyme/hormone is released by the highlighted organ in response to decreased blood pressure?

Answers

The answer is renin, the source organ is kidney and the chemical composition is peptide. The triggering point is secreted in reaction to low blood pressure or plasma volume or sympathetic stimulation. The target organ and effect is performing as an enzyme to pledge renin angiotensin mechanism of aldosterone release and returns blood pressure to normal. 

Vascular dementia:
a. is a result of many small strokes
b. is what was once called amnestic infarct dementia
c. responds to the same treatments as alzheimers disease
d. affects more women than men

Answers

Vascular dementia is a result of many small strokes. The answer is letter A. Vascular dementia is caused by the reduction of blood flow to the brain that deprives the brain cells of necessary nutrients and oxygen and the effect is the decline in thinking skills. The symptoms are speaking difficulty or trouble in speech understanding, confusion, vision loss and disorientation.

Sugars, starches, and dietary fibers are examples of

Answers

Final answer:

Sugars, starches, and dietary fibers are examples of carbohydrates. These biological molecules are the body's main sources of energy and are made up of carbon, hydrogen, and oxygen atoms. They play essential roles in the body's energy supply and digestive health.

Explanation:

Sugars, starches, and dietary fibers are examples of carbohydrates. Carbohydrates are biological molecules that are essential parts of our diet, as they are the body's main source of energy.

They consist of carbon, hydrogen, and oxygen atoms. The body breaks down sugars and starches into glucose, which is used to provide energy to cells. Dietary fibers, while not digestible, aid in maintaining a healthy digestive system. These are all forms of complex and simple carbohydrates which are important to the body's day-to-day functions.

Learn more about carbohydrates here:

https://brainly.com/question/1373821

#SPJ11

Answer:

carbohydrates

Explanation:

Sugars, starches, and dietary fibers are examples of carbohydrates.

Balance the equation:
Cd + H2SO4→ __CdSO4 + H2


a. 1
b. 2
c. 3
d. 4

Answers

Its is already a balanced equation so the option a.1 would fill in for the blank.

If the recessive allele for an x-linked recessive disease in humans has a frequency of 0.02 in the population, what proportion of individuals in the population will have the disease? assume that the population is 50 : 50 male:female.

Answers

To have the disease, males need only one copy of the affected X.

So, the frequency of affected males will be the frequency of the disease allele = 0.02

Females must inherit two copies and be homozygotes, so the frequency of affected females will be the double of frequency of the disease allele = (0.02)

Since the ratio between female and male is 50:50 that is half of the population is male and half female

Then the overall frequency of the disease will be,

(0.5) (0.02) + (0.5) (0.0004) = 0.01 + 0.0002

Thus, the frequency of affected individuals in this population is 0.0102.

Which stores ground water

Answers

Groundwater is enclosed in aquifers. Groundwater is found within a large range of rocks, but the most effective aquifers are found in porous, open cavities, and permeable rocks. Aquifers can contain salty, briny, and fresh water. Groundwater can exit the aquifer by the pumping of a well, which is usually called discharge. The answer is aquifers.

Imagine a population of rabbits with fur color that ranges from black to white. If this population were put in an area that has dark rocks that camouflage the black rabbits, as well as light stones that hide the white rabbits, what would most likely happen to the gray rabbits?
Gray rabbits would blend into either environment.
Gray rabbits would adapt to have black fur.
Gray rabbits would be eliminated by predators.
Gray rabbits would mutate to white fur.

Answers

gray rabbits would be eliminated by predators

Answer:

Gray rabbits would be eliminated by predators.

Explanation:

Camouflage is a defense mechanism in which a prey blends with the color of its background so that it could evade a possible attack by its predator. In the area described in this question, the black rabbits will not be easily visible to the predator because of the presence of black rocks while light stones will provide aegis to white rabbits. But, due to the lack of any grey background in the area, grey rabbits will be easily visible to the predators as a result of which they will be eliminated from the area.

Tropospheric ozone ________. protects earth from most of the harmful uv radiation binds with hemoglobin, preventing binding with oxygen in red blood cells is produced through the interaction of heat and uv light, with nitrogen oxides and carbon-containing compounds is a primary pollutant is caused by poor farming techniques

Answers

Tropospheric ozone is produced through the interaction of heat and UV light, with nitrogen oxides and carbon-containing compounds. Ozone is found in two different layers of the atmosphere, the troposphere and the stratosphere. The Stratospheric ozone is a good ozone, while Tropospheric ozone is a bad ozone.

Only 10% of the ozone in the earth's atmosphere is found in the troposphere. Ozone in the troposphere is one of the greenhouse gases.

Final answer:

Tropospheric ozone is produced by the reaction of sunlight, nitrogen oxides, and volatile organic compounds, forming a secondary pollutant that is harmful to health and the environment, unlike the protective ozone layer in the stratosphere.

Explanation:

Tropospheric ozone is produced through the interaction of heat and UV light, with nitrogen oxides and carbon-containing compounds. Unlike stratospheric ozone, which forms a protective layer high above the Earth that absorbs most of the sun's harmful ultraviolet radiation, ozone at the ground level in the troposphere does not serve this protective role. In fact, tropospheric ozone can be harmful to human health, plants, and the environment. It is considered a secondary pollutant because it is not emitted directly into the air but is formed when nitrogen oxides (NOₓ) and volatile organic compounds (VOCs) react in the presence of sunlight. Health issues associated with exposure to high levels of tropospheric ozone include respiratory problems, such as asthma and reduced lung function, while it can also harm vegetation and ecosystems.

our elements that comprise over 95% of the human body are _____. carbon, phosphorus, oxygen, hydrogen calcium, phosphorus, hydrogen, nitrogen carbon, hydrogen, oxygen, nitrogen calcium, hydrogen, oxygen, nitrogen

Answers

I believe the correct answer would be the third option. Our elements that comprise over 95% of the human body are carbon, hydrogen, oxygen, nitrogen. Carbon and hydrogen is the backbone of any hydrocarbon or organic compound. The cells in our body are made up organic compounds thus our body is mostly composed of carbon and hydrogen. Oxygen is also present in high percent in our body since it is important for the processes of the cells. Also, nitrogen should be present in our body in large amount since it is present in proteins which is found in our body's cells and tissues.

The largest layer (by volume) of earth, ____, is composed primarily of _____.

Answers

The mantle and it is mainly composed of peridotite.

The charge that a neuron at rest maintains is due to the presence of a high number of _________ charged ions inside the neuron's membrane.

Answers

Negatively charged ions. 

Predict what might happen if the broad ligament and other supporting ligaments were damaged by infection or injury

Answers

If the broad ligament and other supporting ligaments were damaged by infection or injury, this incident may cause to permanent damage or worse even death. This can even lead to infertility because broad ligament is the tissue that stabilizes the uterus, liver and diaphragm. 

Genaro is a 55-year-old truck driver who has developed anxiety attacks after a recent accident that left him with a serious back injury. because of his anxiety, he has stopped going to physical therapy. he is considering whether he can return to truck driving

Answers

Final answer:

Genaro, a truck driver who developed anxiety after an accident, faces challenges in his recovery due to mental health issues. There is, however, evidence pointing to the brain's potential to recover from trauma, suggesting that with proper support, Genaro may return to driving in some capacity.

Explanation:

The case presented describes Genaro, a 55-year-old truck driver who has developed anxiety attacks after experiencing a serious back injury from an accident. His anxiety has led him to cease attending physical therapy, which is concerning as it's an essential part of his recovery. This scenario touches upon psychological aspects of trauma and recovery, where it's observed that Genaro's personality has seemingly altered from his usual amiable disposition to one that is irritable and temperamental. It's important to consider factors such as pain management, possibly through alcohol, that might be influencing his current state.

Despite the setbacks, there is hope as indicated by new evidence suggesting the ability of the brain to recover from major trauma. This is exemplified by a person who, after a life-changing event, was able to resume work as a stagecoach driver. The resilience of Genaro's mental health and the potential for adaptation and rehabilitation should be emphasized in this context. It implies that with the right support and treatment, there might be a possibility for Genaro to return to some form of driving profession, albeit perhaps with adjustments to accommodate his current health status.

22. What is biology and why is it important to you as a healthcare professional

Answers

As per the definition of the word, biology is the study of life. This means that a biologist studies the process that allow life to exist, the conditions that must exist for life to be sustained, the way that organisms survive and much more.

A healthcare professional's involvement with biology is essential. Because of biology, a healthcare professional is able to understand the processes occurring inside the human body to achieve different goals, and also the problems that may occur with these processes and how to treat them.

Why do you think nonvascular plants still exist on earth today?

Answers

They play a big function in our ecosystem. Like the algae, algae serve as the food of some of fishes in the pond or lakes. Nonvascular plants are also heavily involved in processes like decomposition and indicators.
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