Differential media contains only the minimum nutrients requirements for microbial growth is the false Statement.
What are the stages of microbial growth?The four stages of microbial growth are as follows:
A growth curve made up of four seperate phases of growth- the lag phase , the exponential or log phase ,the stationary phase and the death or decline phase has been found emerge from bacteria growing in a closed system or batch culture ( no food provided ,no wastes removed) .
The statement given the question is false statement. For growth and nutrition of bacteria ,the minimum nutritional requirements are water, a source of carbon,a source of nitrogen and some inorganic salts.
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12
Where is the greatest concentration of PCBs found in a food chain?
F
producers
G
primary consumers
H
secondary consumers
J
tertiary consumers
The largest concentrations of PCBs are found in the bodies of predators at the top of the food chain or nearby (such as birds and fish).
In the food chain, what is PCB?Polychlorinated biphenyls (PCBs) and dioxins are hazardous substances that linger in the environment and build up in the food chain. Since the 1970s, their prevalence in the environment in Europe has decreased as a result of coordinated efforts by government agencies and business.
Food, which accounts for over 90% of exposure in people and has the highest amounts in fish (such as salmon and shellfish), dairy products (particularly milk and butter), and animal fat, accumulates PCBs in organisms through the food chain.
Polychlorinated biphenyls, or PCBs, are dangerous industrial substances.
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Write a paragraph that describes the distribution of clover in the microclimates of Long Island
using the terms variation, adaptation, natural selection, and evolution. Be sure to fully describe each
of these terms in your detailed paragraph.
The urban microclimate is a climate change that raises the local temperature, differentiating it from the climatic conditions of the region, in Long Island the climate variations are great, mainly due to the great impact of human-made anthropization, it is necessary to adapt plants and animals are of extreme importance, in this case the natural selection of an ecological bubble of animals, plants and microorganisms.
What are the types of microclimates?The microclimate can be divided into as many classes as there are types of surfaces, but generally speaking, microclimates are considered:
urban microclimates vegetation microclimates.Whit this information we can conclude that We can highlight as the main characteristics of the urban microclimate: Altered temperatures when compared to neighboring areas, that is, a certain place in the city may have higher or lower temperatures. Air humidity can also be higher or lower when compared to nearby locations.
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The substances which yield the most energy per unit of weight
are
a Carbohydrates
b Lipids
c Proteins
d Sugars
Answer:
Carbohydrate
Explanation:
I think it will be right.
How far must a bimetallic stemmed thermometer be inserted into food to give an accurate reading?.
A bimetallic stemmed thermometer be inserted into food 2-3" far to give an accurate reading.
The probe of the bimetallic-coil thermometer needs to be inserted all the way into the sensor device for an accurate temperature reading "The probe should be inserted sideways with the sensing device in the exact center of the thin food being measured, such as boneless chicken breasts or hamburger patties.These gauge temperature using a resistor, which is a ceramic semiconductor glued in the tip using temperature-sensitive epoxy. The probe has a diameter of about 1/8 "thick and takes about 10 seconds for a digital display to display a temperature. Thermistors can detect temperature changes in thin foods because the semiconductor is located in the tip. The end of the cooking process is the best moment to use thermistors, just like with bimetal instant read thermometers.Therefore, the correct answer is 2-3".
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What types of materials require a vesicle for export or a food vacuole for import?
Macromolecules or large particles are carried across the cell membrane via vesicles or other intracellular structures. Pinocytosis and efflux are the two types of vesicle transport.
How does a vesicle leave the cell with its cargo?Exocytosis is the process by which cells move components from within the cell to the extracellular fluid. Exocytosis occurs when a vesicle's plasma membrane fuses with it, expelling its contents outside the cell.
The Golgi, also known as the Golgi complex, is a flattening, layered organelle that looks like a stack of pancakes. The Golgi body modifies and packages proteins and carbohydrates into lattice vesicles for "exportation" from the cell.
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A researcher experimented with adhesives and glues to find new and stronger adhesives. In 1968, he discovered an adhesive that was very weak rather than strong. The adhesive would stick to paper but it could be removed easily without leaving a trace of adhesive. Because he was trying to find stronger adhesives, the results of that experiment were considered a failure. Several years later, he had the idea of coating paper with the weak adhesive. This meant that notes could be stuck to paper and easily removed at a later time. Today, these removable notes are used by millions of people.
Using the information in the paragraph above, answer the following question in essay format.
6. The original adhesive experiment was considered a failure. Appraise the importance of evaluating the results of an experiment with an open mind
Small pieces of paper with a light stickiness on the back are known as sticky notes, Post-it notes, or repositionable notes. The notes can be repeatedly taken from and reattached to a variety of surfaces and papers thanks to the adhesive.
Canary yellow, three-inch squares were the original form of post-it notes. Sticky notes are available in a wide range of sizes, shapes, and colours nowadays. Every day, people utilise sticky notes all across the world. People always carry and use sticky notes, whether they are at home, at work or in any other setting. Would you consider them to be a brilliant innovation that was created entirely by chance? It is real. Sticky notes were not intentionally invented. Instead, a chemist at 3M Company named Dr. Spencer Silver created a novel, low-tack adhesive in 1968 that could adhere to objects while simultaneously being moved around a number of times. Instead of the super-strong adhesive he was attempting to create, he created a super-weak one.
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What is true regarding fat? fat is used for energy if glucose is not available. fat is used for healthy skin and hair. fat is used for vitamin absorption. all are correct
The correct option is (d) all are true.
Your body needs dietary fats for energy and to sustain healthy cell function. They also aid in maintaining body temperature and organ protection.
Consuming fatty foods is undoubtedly a component of a healthy diet. Use liquid, non-tropical plant oils, low- or non-fat dairy products instead of full-fat varieties, and lean meat or poultry if you consume meat. Additionally, keep in mind that you should balance the number of calories you consume from all sources with the number of calories you expend through exercise. Fat is utilized by the body as a source of energy. The body will break down fat and use the resultant ketones for energy if glucose is not readily accessible.Lustrous skin and hairVitamin assimilation A, D, E, and K are examples of fat-soluble vitamins.Insulation for organs and maintains body temperature.Learn more about the fats with the help of the given link:
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Which lettered points would you use to show Zoe’s voluntary action of choosing to move her leg out of the way? What should the labels be?
Point D is designated for Zoe's voluntarily moving her leg out of the way. The signal that travels down the spinal cord to the skeletal muscle originates at point B. Zoe moves her leg out of the way from point C by using her muscles.
Voluntary actions :An anticipated, goal-oriented movement is voluntary action. Numerous fields of study—including cognitive psychology, operant conditioning, philosophy, neurology, criminology, and others invoke the idea of voluntary action. Actions that are "originated by the doer with knowledge of the particular circumstances of the act" are referred to as voluntary actions.
The cerebrum manages all of our body's voluntary movements. The largest and most noticeable portion of the brain is called the cerebrum. Four different types of voluntary actions are motivated by the neurons of pain, fear, and the unpleasant aspects of desire and appetite. These are, in order, the "optimization," "escape," "avoidance," and "approach" actions. All of these actions get rid of the motivating resentment.
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Answer:
Because this action is a voluntary action, it starts in the brain. Here are the steps:
D: Zoe chooses to move her leg into a different position.
B: Signal travels down spinal cord to skeletal muscle.
C: Zoe uses muscle to move leg out of the way.
Point A is not used in this sequence of steps.
Hope this helps!
Explanation:
Sample answer
Sarah performs an experiment to determine the effect of nitrogen on plants. She studies the effect of nitrogen on the growth of the root hair, height of the plants, and nodule formation.which factor is an independent variable
The answer that is accurate is (a) Amount of Nitrogen.
The amount of nitrogen Sarah administers in this situation is an independent variable because it is not influenced by any other variables. However, the amount of nitrogen a plant receives affects its height as well as the development of nodules and roots. To guarantee that energy is available when and where the plant needs it to maximize output, nitrogen plays a crucial role within the plant. Even the roots contain this essential vitamin because proteins and enzymes control water and nutrient intake. Actually, the most crucial element for promoting plant growth is nitrogen. The chlorophyll molecule, which gives plants their green color, contains nitrogen. Nitrogen also plays a role in the plant's ability to produce nourishment.learn more about Nitrogen here: https://brainly.com/question/11483365
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In your opinion do you think attitude or qualities of a person would help in performing one's role effectively? Why? Cite and example that support your answer.
Pls help I really need this now.
Answer:
Ability to learn. Every organization has a specific set of knowledge that every employee will need to acquire to be successful at their job. ...
2) Conscientiousness. ...
3) Interpersonal skills. ...
4) Adaptability. ...
5) Integrity.
The method by which you administer supplemental oxygen to a hypoxemic patient depends mostly on the:________
Oxygen is widely available and is often prescribed by medical and emergency medical personnel.
Properly administered, it can save lives, but oxygen is often administered without careful consideration of its potential benefits and side effects. There are definite indications for the method of administration. Inadequate dosing and lack of therapeutic monitoring can have serious consequences. Vigilant monitoring is essential to quickly identify and remediate adverse effects. A recent hospital survey found that 21% of oxygen prescriptions were inadequate and 85% of patients were inadequately monitored. Similar studies report that oxygen is improperly prescribed in general medicine.
To ensure safe and effective therapy, the prescription should cover flow rate, delivery system, duration, and therapy monitoring.
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Which life function is most directly involved in the control of the muscles of an earthworm that is moving from dry to moist soil?
life functions is most directly involved in the control of the muscles of an earthworm that is moving from dry to moist soil transport.
The correct option is 2.
Can earthworms survive in the absence of soil?Tillers do not just chop, but they also diminish the number of natural materials available for nourishment. If they make it through all of that, they may live for four to eight years, depending on their species. Because earthworms require moisture, they may only live for a few minutes if removed from the soil.
Is it harmful to touch earthworms?Some species have the ability to sting. Earthworms and red wax worm worms are okay to handle barehanded, however, you should probably wash you hands before consuming your next meal.
What is the purpose of setae?Setae are bristles that cover each segment of something like the earthworm's body.. They keep the earthworm from moving backward. FEEDING The earthworm is uniquely designed to feed underground.
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I understand that the question you are looking for is:
Which life functions is most directly involved in the control of the muscles of an earthworm that is moving from dry to moist soil?
1)regulation
2)transport
3)nutrition
4)excretion
When we drink water, we feel good
because water helps move nutrients
to our what?
A blood
B. cells
C waste
Answer:
B. Cells
Explanation:
It's the answer
How does sitting close to a large window in the winter (especially if it is after dark) affect your thermal comfort?
The nearby air is cooled by the cold window surfaces. Warmer air is subsequently displaced by the cooler air that then descends and is cooled by the window, and so on.
How does thermal comfort change with air temperature?Moving air can enhance heat loss by convection in warm or humid circumstances without changing the air's temperature. Air velocity may be adjusted to take a person's degree of physical activity into consideration as physical activity increases air movement.
How can I make my home more comfortable in the heat?Some potential options to improve thermal comfort while also reducing energy use include thick or well-insulated walls, appropriate apertures, screening systems, and outdoor areas (like courtyards) that give shade and natural ventilation.
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HELPP ASPP U WILL GET BRAIBILEST AND 20 points I will report if u put just bunch of letters
Answer:
Muscular System - Enables the body to move using muscles.
Respiratory System - Brings air into and out of the lungs to absorb oxygen and remove carbon dioxide.
Circulatory System - Keeps the body's temperature in a safe range.
Anthropologists begin to understand the adaptability of the human brain by studying.
Anthropologists study the brain of human by tracing the evolution of our lineage through the time in fossil record.
What is the anthropogical understanding of adaptation?Organisms respond to environmental challenges through a process called adaptation. In order to achieve personal objectives, human adaptation includes the interaction of biology and culture. The ability of humans to live in a wide variety of ecological niches makes them the most adaptable species on earth.
By tracing the evolution of our lineage through time in fossil record and provide a comparative perspective on human uniqueness by placing our species in the context that is how they studied the human brain.
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Using a resource without depleting it is known as.......
a. Recycling
b. Conservation
c. Sustainable development
d. Replacement time
Answer: conservation
Explanation:
in an experiment, the *BLANK* is the section that tells us the steps we need to take to run the experiment. A procedure. B Materials. C. Hypothesis. D Data
One of the first symptoms of an influenza virus infecting the respiratory system is an accumulation of fluid in the ____________ .
One of the first symptoms of an influenza virus infecting the respiratory system is an accumulation of fluid in the lungs.
The body generally creates a little fluid to aid the lungs in producing a productive cough when fighting respiratory illnesses such as influenza virus. However, recent studies indicate that the influenza virus may tilt the scales in favor of too much fluid in the lungs, impairing oxygen delivery to the rest of the body.
Although this research demonstrates that the virus does not cause all of the harm to a sick individual, an immune response is ultimately required to eradicate the infection. According to the study, which was carried out in mice, the fluid accumulation deep inside the lungs may really contribute to the death of a person who has the flu.
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What will happen to a salt
if attraction between a solute-solvent is equal to
the attraction of solute-solute
will it be soluble or insoluble or remain the same ?
Carbohydrates located on the outside of the plasma membrane form a sugar coating known as the ________, that help protect the cell from mechanical damage.
Answer:
Glycocalyx
Explanation:
Select the correct answer from each drop-down menu.
humans and mice is almost 92% similar. This similarity indicates that
Mice have a tail, while humans have a tailbone. The tailbone is a
structure in humans.
homologous structure
Explanation:
similar physical features in organisms that share common ancestor
Circle the letter of the situation that most closely relates to each vocabulary word.
3. Ionic bond:
a ) linking hands in a human chain
b ) passing a basketball
Answer:
b. passing a basketball
Explanation:
-
In which type of columnar epithelia are the nuclei not aligned at the basal end of the cell?
Pseudostratified columnar epithelia are the nuclei not aligned at the basal end of the cell.
The pseudostratified columnar epithelium is the tissue of cells composed of a single layer in direct contact with the basement membrane. The location of nuclei in the cells gives it a pseudo-appearance. Hence, it is called the pseudostratified columnar epithelium. The nuclei in these cells are located near the base of the cell and not at the base of the cell called the basal end of the cell.
An epithelium tissue is composed of epithelium cells packed closely with each other and remain attached to the basement membrane. They have cell junctions at the fusion points. The position of nuclei in a cell determines the striations in a layer. The nuclei in pseudostratified columnar epithelia are placed at different sites in a cell that gives it a striated appearance.
If the nuclei are aligned at the base of the cell, the layer doesn't appear striated. But the nuclei in pseudostratified columnar epithelia are arranged in a way that the cells appear to be of varying heights. This means that the nuclei in pseudostratified columnar epithelia are not aligned at the basal end of the cell.
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why are large numbers of mitochondria and golgi apparatus found in mucus secreting cells?
Mucus production and secretion are specialized functions of goblet cells. Their characteristic goblet, cup-like shape created by the mucin granules that fill the cytoplasm earned them their name.
The canaliculi grow when secreted juice fills them whenever the cell is vigorously secreting. These cells also include many of mitochondria, which supply the ATP energy needed for the secretion process. The macromolecules are given different chemical groups inside the Golgi body to guarantee that they travel to the right place. Each macromolecule that enters the Golgi body is given a address in this fashion. For instance, mucus is secreted by goblet cells, which line the intestine.
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________ transmit pain that is sharp, nonchronic, and well localized. a. a-delta fibers b. b-delta fibers c. c-fibers d. d-fibers please select the best answer from the choices provided a b c d
Answer:delta a fibers
Explanation: A
During a trial involving a domestic violence claim, what type of demonstrative evidence would offer the most support to a witness's claims that the abuse was ongoing?
Blood found at the scene
A sketch of the crime scene
An x-ray showing multiple injuries received over time
A surveillance video showing the suspect entering the house
Answer: An x-ray showing multiple injuries received over time
Explanation:
This is an example of demonstrative evidence.
What is demonstrative evidence?: a kind of evidence that consists of objects, pictures, models, displays or other devices used in a trial hearing to support facts related to the crime.
p.s I also got it right on the test :)
An x-ray showing multiple injuries received over time would be offer the most support to a witness's claims that the abuse was ongoing.
Demonstrative evidence is evidence presented at the trial that is some kind of evidence that domestic violence happened or evidence of injuries. Demonstrative evidence is used to verify or clarify witness testimony. Examples of type of evidence include photographs, medical records such as x-ray ,videotapes, models, maps, graphs, computer graphics and animations. To admit demonstrative evidence at trial, the lawyer must call a competent witness—one having first-hand knowledge of the evidence at the relevant dates—to testify for the evidence . To be relevant, the evidence must help the jury understand some fact of consequence to the case.
Evidence Collection From Victim record of the injury, including descriptive and narrative notes that document the physical appearance, colour, size and orientation of the injury caused .
battered woman's syndrome- is the highly variable symptom complex of physical and psychological injuries exhibited by a woman repeatedly abused especially physically by her mate.
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observation when chlorine water and potassium chloride solution mix
There is no visible reaction when chlorine water and potassium chloride solution are mixed.
What is a displacement reaction?We know that a displacement reaction occurs when on atom or group of atoms in a compound is replaced by another atom or group of atoms. The reason why one ion could displace another from its aqueous solution is that the ions that is displacing another is higher in the electrochemical series.
In this case, a displacement does not occur because we are reacting chlorine water with potassium chloride solution. We can not see any kind of sign that a reaction has occurred.
Hence, we could conclude that there is no visible reaction when chlorine water and potassium chloride solution are mixed.
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Which statements accurately describe osmosis? Check all that apply.
The first, fourth, and fifth statements accurately describe osmosis.
The net movement of solvent molecules through a semipermeable membrane is known as osmosis. Since the movement is downward and goes from greater to lower concentration, it is comparable to diffusion. However, in osmosis, the movement must take place through a membrane that is semipermeable or selectively permeable. It cannot be referred to as osmosis without this component.
Osmosis is about the net movement of the solvent molecules (not the solute), whereas diffusion is frequently depicted as the net movement of solutes between two solutions (solvent such as water molecules). The water must migrate in order to equalise the concentrations of the two areas due to the different concentrations of water molecules on the two sides of the membrane.
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How a cellular structure of a white blood cells differs from the cellular structure of prokaryotes
Prokaryotic cells lack a nucleus and contain genetic material that is free to circulate about the cell, whereas eukaryotic cells have an unique nucleus that holds the cell's genetic material.
How do bacterial and eukaryotic cells differ in size and structure?A prokaryotic cell and a eukaryotic cell both have cytoplasm, ribosomes, and a plasma membrane. However, eukaryotic cells are frequently bigger than prokaryotic cells, contain a genuine nucleus (meaning that its DNA is enclosed by a membrane), and have extra membrane-bound organelles that allow effective compartmentalization.
The difference between bacterial and eukaryotic cells is the nucleus. Prokaryotic cells lack true nuclei, and only eukaryotic cells have organelles that are attached to membranes.
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