If it takes 2 hours for a population of bacteria to grow from 100 cells to 1600 cells, what is the generation time of this bacterial species? if it takes 2 hours for a population of bacteria to grow from 100 cells to 1600 cells, what is the generation time of this bacterial species? 30 minutes 20 minutes 40 minutes 15 minutes

Answers

Answer 1
30 minutes
It takes 4 generations to go from 100 to 1600 bacteria. Therefore 2 hours (120 mins)/4 = 30

Related Questions

A client is admitted to the hospital with malaise, headache, and cough followed by fever, chills, dyspnea, chest discomfort, myalgia, anorexia, vomiting, and diarrhea. the health care provider (hcp) makes the diagnosis of legionellosis (legionnaires' disease). the client asks, "how did i get this

Answers

The   most  appropriate  and   accurate  response  to  the  client  on  how   he/she get  legionnaires   disease    through  the   bacteria  thrive  in   the   warm   environment    which   are  inhaled  from   contaminated  water   droplets.  The  Legionnaires   disease  is  characterized   by  malaise,headache,cough  among  others  symptoms.

Final answer:

Legionnaires' disease is an atypical pneumonia caused by Legionella pneumophila. Infection occurs from inhaling aerosolized bacteria from water systems, and impacts primarily older or immunocompromised individuals.

Explanation:

Legionnaires' disease, which is an atypical pneumonia, is caused by the inhalation of the bacterium Legionella pneumophila aerosolized in water. This disease commonly affects older individuals and is often associated with human-made water systems such as air-conditioning cooling towers, humidifiers, misting systems, and fountains. Legionella pneumophila thrives in moist environments and can infect free-living amoebae, which can be aerosolized and inhaled, leading to infection.

Outbreaks have been linked to buildings with complex water systems, like the one identified at a home improvement store where the disease was transmitted through the air conditioning system's cooling coils. Interestingly, the bacteria can reside inside amoebae in these water systems, which provides the bacteria with protection and enhances their pathogenicity. Legionnaires' disease often requires a specific set of conditions to thrive, and those with weakened immune systems, such as individuals with chronic heart or lung disease, are at greater risk.

Which policy has been a cost-effective way to reduce sulfur dioxide emissions?

A) enacting cap-and-trade legislation
B) implementing scrubber technology on all power plants
C) burning high-sulfur coal
D) banning the emissions of sulfur dioxide entirely

Answers

Hello,

Here's is your answer:

The proper answer tot his question is option B "implementing scrubber technology on all power plants"!

Your answer is B!

If you need anymore help feel free to ask me!

Hope is helps!

Answer: B) implementing scrubber technology on all power plants

Explanation:

The scrubber technology is cost-effective technique which can be used to reduce the sulfur dioxide emissions. This technique is useful in capturing the harmful particle and gaseous waste generated from the engines in the chambers. The chambers collect the errant particles and gases such as carbon monoxide, carbon dioxide and sulfur dioxide.  Thus the harmful particles and gases are not released in the atmosphere.

On the basis of above description, the scrubber technology should be implemented to control the release of sulfur dioxide emission.


what would happen if a amino acid sequence of an enzyme was formed incorrectly

Answers

If an amino acid sequence is formed incorrectly (i.e. DNA point mutations or frameshift mutations) then the enzyme can either be dysfunctional or non-functional; both of which lead to the end point of enzyme deficiency and overt disease. For example, the mutation of the enzyme glucose-6-phosphate dehydrogenase or G6PD decreases the production of antioxidants which can lead to increased hemolysis of red blood cells causing the clinical manifestation of jaundice (since the end point of metabolism of hemoglobin is bilirubin).

Describe the relationships between the light reactions and the calvin cycle

Answers

The ATP provides the energy, and the NADPH supplies the electrons for the Calvin cycle, which converts carbon dioxide to sugar. The ADP and NADP+ that result from the Calvin cycle shuttle back to the light reactions, which regenerate ATP and NADPH. 

Darwin called a mechanism for descent with modification ______.

Answers

Darwin called a mechanism for descent with modification natural selection. The answer is natural selection.

why do nations set economic goals?

Answers

Governments” don't make choices; people do. National economic goalsinclude: efficiency, equity, economic freedom, full employment, economic growth, security, and stability. ... Scarcity impacts our ability to translate national economic goals into policy.

Memory aids that help organize informationfor encoding are ________.

Answers

I think the answer in mnemonic device. Mnemonic devices are techniques a person can use to help them improve the ability to remember something. its a memory technique used to help your brain better encode and recall important information. 

Memory aids that help organize information for encoding are Mnemonic devices .

Here are some common types of mnemonic devices:

Acronyms: Creating a word or phrase using the initial letters of the items you need to remember. For example, "HOMES" to remember the Great Lakes (Huron, Ontario, Michigan, Erie, Superior).

Acrostics: Forming a sentence or phrase where the first letter of each word corresponds to the initial letters of the items to be remembered. For example, "Please Excuse My Dear Aunt Sally" to remember the order of operations in math (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).

Visualization: Creating mental images or visual scenes that link to the information you want to remember. Vivid and imaginative visuals can enhance recall.

Rhymes and Songs: Constructing rhymes, songs, or jingles that include the information to be remembered. The rhythmic and melodic elements aid in memory retention.

Chunking: Breaking down large amounts of information into smaller, manageable groups or "chunks." This approach helps in organizing and remembering complex information.

Method of Loci (Memory Palace): Associating information with specific locations in a familiar place, like your home, and mentally walking through these locations to recall the information.

Peg System: Creating associations between numbers and items to be remembered by linking them to predefined "peg" words or numbers.

Mnemonic devices tap into various sensory modalities and cognitive processes, enhancing memory by providing a structured framework for organizing and encoding information.

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Your patient has a history of gastric ulcers and gi bleeding. he is now​ tachycardic, hypotensive, and tachypnic. he admits to passing a lot of blood the past several days. what type of shock is this most​ likely?

Answers

The type of shock presented by a patient with a known history of gastric ulcers and gastrointestinal bleeding with recent history of passing a lot of blood is called hypovolemic shock. The patient is now on the later stages of shock as he is tachycardic and hypotensive (significant as mechanisms to maintain a normal blood pressure is failing at this point). 

Amenorrhea may occur among women at fat levels as high as:

Answers

The correct answer is "16%"

16% of body fat in women is considered as low as normal body fat levels in women normally ranges from 22% to 25%. In cases of low body fat levels (i.e. in athletic women), there will be relative amenorrhea because of the suppression of the follicle-stimulating hormone and the luteinizing hormone leading to a type of amenorrhea called athletic amenorrhea.

Explain why the body cells of an organism can differ in structure and function, even though they all contain the same genetic information.

Answers

All the cells in a person's body have the same DNA and the same genes. However, the difference between cells in different tissues and organs is that the "expression" of the genes differs between cells. Expression means that the message from the DNA is being copied and made into protein.

Final answer:

Body cells differ in structure and function despite having the same genetic information because of differentiation and selective gene expression. Each cell type only expresses certain genes that are necessary for its specific functions. Different sets of genes are activated or repressed in various cells, leading to the vast diversity in cell structure and function.

Explanation:

Differentiation and Gene Expression

Even though every somatic cell in an organism contains the same genetic information, they can differ in structure and function due to the process known as differentiation. Differentiation is when a cell becomes more specialized in its size, shape, metabolic activity, and function. This is similar to actors in a movie reading only their parts from the same script; cells "read" only the portions of DNA relevant to their own function, which is referred to as unique genetic expression. Furthermore, cells turn genes on or off in response to environmental changes or during development, allowing for specialized functions such as energy conversion in ATP or secretion of specific substances.

For example, cells in the eye are structurally and functionally different from cells in the liver because different sets of genes are expressed. While all cells perform certain basic functions, like energy conversion from glucose to ATP, each cell type only expresses certain genes needed for its specialized tasks. Different gene expression leads to variations in cell function and structure, hence the diversity of cells in multicellular organisms, such as the various subtypes of bone cells like osteocytes and osteoblasts.

Match each definition to the appropriate term. locus

Answers

i) Locus- the chromosomal site where a specific gene is located. A locus is a fixed position on a chromosome, like the position of a gene or a marker. Each chromosome carries ,many genes; human's estimated haploid (n) protein coding genes are about 20,000, on the 23 different chromosomes.


ii) Interference; the observed double crossover frequency differs from the expected double crossover frequency. Cross over interference is used to refer to the non-random placement of crossovers with respect to each other during meiosis. It results in widely spaced crossovers along chromosomes. Interference may exert its effect across whole chromosomes. As chromosomes in many eukaryotes are large, interference must be able to act over megabase lengths of DNA. 

iii) Linkage- the tendency for genes located in close proximity on the same chromosome to be inherited together. Normally when two genes are close together on the same chromosome, they do not assort independently and are said to be linked. Whereas genes located on different chromosomes assort independently and have a recombination frequency of 50%, linked genes have a recombination frequency that is less than 50%.

iv) Recombination- the process by which a new pattern of alleles on a chromosome is generated. Genetic recombination is the production of offspring with combinations f traits that differ from those found in either parent. During meiosis in eukaryotes, genetic recombination involves the pairing of homologous chromosomes. This may be followed by information transfer between the chromosomes. 

In Biology, a locus is the specific position of a gene on a chromosome. It helps determine where the gene is located, which is important for understanding genetics. Key related terms include gene and allele.

In Biology, a locus (plural, loci) refers to the specific position or location of a gene on a chromosome. This position is crucial because it determines where on the chromosome the gene is found. For example, one gene might be located near the center of a chromosome, while another might be at one end. The term 'locus' is derived from the same root as 'location' and is often used when discussing genetics and hereditary traits.

Locus: The specific location on a chromosome where a gene is found.Gene: A segment of DNA that codes for a specific protein or trait.Allele: Different versions of a gene found at the same locus.

Understanding these terms helps in comprehending the basics of genetics and how traits are inherited and expressed.

Membranes that surround the brain and spinal cord are called ____.
a. ​hydrocephali
b. ​ventricles
c. ​csf
d. ​meninges

Answers

The correct answer is "meninges"

Meninges are the membranes composed of three layers, from external to internal, the dura mater (alone called the pachymeninx), the arachnoid mater, and the pia mater (together called the leptomeninx). Meninges serve to protect the brain by establishing the blood brain barrier.

Match the term to its description.
Match Term Definition
Dwarfs A) Very bright, extremely massive stars with varying temperatures
Giants B) Dead stars that shine with the last of their thermal energy
Main sequence stars C) Stars in the main part of their life cycle
Supergiants D) Very bright, massive stars with relatively low temperatures

Answers

We are given following options:
A) Very bright, extremely massive stars with varying temperatures
B) Dead stars that shine with the last of their thermal energy
C) Stars in the main part of their life cycle
D) Very bright, massive stars with relatively low temperatures

Correct answers are:
Dwarfs                           B)
Giants                            D)
Main sequence stars     C)
Supergiants                   A)

Answer:

Explanation:

Dwarfs: Dead stars that shine with the last of their thermal energy.

Giants: Very bright, massive stars with relatively low temperatures.

Main sequence stars: Stars in the main part of their life cycle.

Super giants: Very bright, extremely massive stars with varying temperatures.

Which type of membrane protein is most likely to be a hormone?

Answers

The peripheral protein is most likely to be a hormone. 

The right answer is peripheral protein.

A peripheral protein is that membrane protein that is bound to it by non-covalent (weak) bonds so that it is easy to separate it from the membrane by solubilization by subjecting it to a medium with a high salt concentration (eg 0, 3M KCl). Peripheral proteins are found both in the extracytosolic domain of the membrane and in the cytosolic domain, although mostly in the latter. The concept of peripheral protein is opposed to that of integral protein.

When consumed together, grains and legumes are good complementing protein sources?

Answers

The statement that when consumed together, grains and legumes are good complementing protein sources is true. 
Legumes are plants that include beans, lentils, peas and peanuts, while grains are wheat, oats, corn, rice..
They are less expensive than meat, poultry and fish.
When eaten together provide a complete protein essential for health.

What does it mean when we say a muscle contracts involuntarily? describe one body function that is linked to an involuntary muscle contraction?

Answers

It means we do not consciously contract the muscles, i.e, when we desire. Further, it means that the muscles are controlled by the autonomic nervous system.
Example of involuntary muscle contraction is peristalsis. These are muscle movements in the gastrointestinal tract that assist food move along the oesophagus to the stomach.

Answer: an involuntary muscle is a muscle that you cannot control... Like the heart and breathing. The heart beats on its own and pumps blood on its own

Explanation:

A reproductive barrier that prevents species from mating is an example of ______. reduced hybrid fertility reduced hybrid viability a post-zygotic barrier zygote mortality a pre-zygotic barrier

Answers

Post-zygotic barrier
Final answer:

The reproductive barrier preventing species from mating referred to in the question is a pre-zygotic barrier. It includes biological mechanisms that prevent the fertilization of eggs. Types of these barriers include geographical obstacles, differences in mating seasons or habits, and incompatible reproductive anatomy.

Explanation:

A reproductive barrier that prevents species from mating is an example of a pre-zygotic barrier.

Pre-zygotic barriers are biological features or mechanisms that prevent species from interbreeding by preventing the fertilization of eggs. There are several types of pre-zygotic barriers, such as geographical obstacles, differing mating seasons or mating habits, and incompatible reproduction anatomy or mechanisms.


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During asexual reproduction yeast cells can produce _____

Answers

genetically identical offerings or daughter cells by binary fission

Gregor Mendel was the first scientist to use statistics to analyze scientific data. Before Mendel’s experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. After Mendel’s discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. This is an example of
a theory changing because a new scientific method was developed.
a law changing because a new scientific method was developed.
a hypothesis changing because a new scientific method was developed.
an observation changing because a new scientific method was developed.

Answers

I think this is an theory changing because a new scientific method was developed. They used what Mendel had learned to test the hypothesis themselves and discovered that he was right.

Answer:

A theory changing because a new scientific method was developed.

Explanation:

Scientists before Mendel did experiments that resulted in the theory that organisms acquired traces of their environment and passed them on to their offspring. However, Mendel established a different scientific method that developed experiments that showed that this theory was wrong. Mendel developed a new theory which, based on his experiments, stated that the traits passed on to the offspring were the result of genes being transmitted from parents to their offspring.

With this, we can say that this is an example of a theory that changed because a new scientific method was developed.

The opening of stomata is thought to involve _____. the opening of stomata is thought to involve _____. an increase in the solute concentration of the guard cells decreased turgor pressure in guard cells active transport of water out of the guard cells movement of k+ from the guard cells

Answers

The answer is 'an increase in the solute concentration of the guard cells'. This makes the cell hypertonic to the neighbouring cells and extracellular fluid. Thus water flows into the guard cell by osmosis. When turgid, the stomata pore between the two bean-shaped guard cells, increases in size.

The opening of stomata is thought to involve an increase in the solute concentration of the guard cells. Therefore, the correct option is A.

The opening of stomata, which are tiny pores on the surface of leaves, is primarily regulated by the turgor pressure changes in specialized cells called guard cells.

When the guard cells gain water and become turgid, they create a curved shape that causes the stomatal pore to open.

This process is facilitated by an increase in the solute concentration within the guard cells, specifically potassium ions (K⁺). As K⁺ ions are actively transported into the guard cells, water follows by osmosis, leading to an increase in turgor pressure and the opening of stomata.  

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The keratin-filled uppermost layer of the epidermis is called the

Answers

Stratum corneum, the fifth outermost layer.

What type of pollution is the greatest cause of acid rain?

Answers

Air pollution, when substances such as sulphur dioxide are released into the air

The interosseous membrane is located between the __________.

Answers

Answer:

The interosseous membrane of the forearm (rarely middle or intermediate radioulnar joint) is a fibrous sheet that connects the interosseous margins of the radius and the ulna. It is the main part of the radio-ulnar syndesmosis, a fibrous joint between the two bones.

Explanation:

A 13-year-old boy has had a sore throat for at least a week and has been vomiting for 2 days. his glands are swollen, and he moves stiffly because his joints hurt. his parents, who believe in "natural remedies," have been treating him with various herbal preparations without success and are now seeking antibiotic treatment. throat cultures show infection with group a streptococci. this child is at high risk for

Answers

This child is at a high risk for Mitral valve stenosis.

The microscope that allows the specimen to appear three-dimensional is the

Answers

The Scanning Electron Microscope or SEM shows in 3D 

How can water be represented using a paper model?

Answers

make a cylinder which will be the glass and put a piece of paper that appears to be the top waterline of water. And put that inside the glass. I am not sure if this made any sense but yep thats what i did for a project before when i had to in like fourth grade.
Final answer:

A paper model can exhibit water's properties like surface tension, polarity, density, and solvency. Examples include a paper floating on a water droplet due to surface tension, the polarization of water molecules, the floating of a less dense substance in water, and the action of an inkjet printer.

Explanation:

Water can be represented using a paper model in several ways, but all relate to the unique properties of water. One of the simplest ways to represent water is by showing its surface tension, similar to how a small piece of paper can float on a droplet of water due to the cohesion and surface tension of the water molecules. Another aspect that can be represented is the polarity of water molecules which can be taught by polarizing tap water. Furthermore, the concept of density can be represented using the analogy of a cube of polystyrene partially submerged in water, with the floating cube signifying less dense objects floating in more dense water.

Finally, the print technology used in inkjet printers is another way to understand water properties on paper. When the printer outputs droplets, the precision with which they are directed can help understand the properties of water when subjected to external forces. The color mixing that occurs when the primary colors are combined can also provide insight into how water can dissolve and mix with a wide variety of substances.

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Due to a rise in global sea level, a shallow sea covered most of eastern Virginia during the Cretaceous. Virginia had drifted north from the equator and conditions no longer supported the formation of limestone. The tropical climate disappeared, replaced by more temperate conditions. In place of limy sediments, sand and silt were deposited as the sea level receded in the region we now know as the Plateau region. Under these conditions, we would expect to find more fossils of ____________ life forms in this location.
A) marine
B) primitive
C) single-celled
D) terrestrial

answer-D

Answers

Under the conditions stated above, we would expect to find more fossils of terrestrial life. Hence the answer is D. Deposition of slit and sand preserved terrestrial fossils and also a bit of marine fossils. Terrestrial fossils are the remains of plants and animals that used to live on land long time ago. An example is the Sequoia.

Paul, sean, and mike have each consumed four beers in the last two hours. paul weighs 220 pounds, sean weighs 165 pounds, and mike weighs 197 pounds. who has the highest blood alcohol concentration (bac)

Answers

Sean, who weighs the least of the three, will have the highest blood alcohol concentration (BAC).

The less a person weighs, the more they will be affected by a given amount of alcohol. People of the same weight, even the same gender, individuals with a lower percentage of body fat will have lower blood alcohol concentration than those with a higher percentage of body fat.

Hope this helps! :)

A client is prescribed digitalis medication. which condition should the nurse closely monitor when caring for the client?

Answers

When a client is prescribed digitalis medication, the nurse should closely monitor the potassium levels when caring for the client, because a key concern associated with digoxin therapy is digitalis toxicity. Clinical manifestations of toxicity include anorexia, nausea, visual disturbances, confusion, and bradycardia. The serum potassium level is monitored because the effect of digoxin is enhanced in the presence of hypokalemia and digoxin toxicity may occur.

when plants grow towards the, sunlight they _____? a) get smaller b)get more light c)die faster d)live longer

Answers

Well if they are facing towards the sun I would suppose its cuz they are gonna  "Get more light."
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A local software application that connects users to unsecured network files and folders. Though China outlawed opium in 1836, the British continued the sale through smugglers. Three years later, what followed?The sale of Hong KongThe Opium WarPeace treatiesAn increase in Chinese migrants fleeing a drug addicted society caros ran 5.25 miles each day for d days. h ran a total of 157.5 miles. which eqution represents the number of days carlos ran? The length of a rectangle is 5 times the width. If the perimeter is to be greater than or equal to 108 meters. What are the possible values of the width? Read the passage. excerpt from "Slavery a Positive Good" by Senator John C. Calhoun, February 6, 1837 In the decades preceding the United States Civil War, the practice of slavery was a widely debated topic. While many opposed this unjust practice, others, especially in regions that were economically dependent on forced labor, advocated in support of slavery. This speech by Senator John C. 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Compare his condition with the tenants of the poor houses in the more civilized portions of Europelook at the sick, and the old and infirm slave, on one hand, in the midst of his family and friends, under the kind superintending care of his master and mistress, and compare it with the forlorn and wretched condition of the pauper in the poorhouse. . . . I fearlessly assert that the existing relation between the two races in the South, against which these blind fanatics are waging war, forms the most solid and durable foundation on which to rear free and stable political institutions. It is useless to disguise the fact. There is and always has been in an advanced stage of wealth and civilization, a conflict between labor and capital. 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