Answer:
Emigration.
Explanation:
The size of a population for any species in a given time is a dynamic parameter. Depending on the different factors, the size of a population keeps on changing in time. One such factor is emigration. The number of individuals of a population migrate to different habitat at the time of study of the population is called emigration . Emigration contribute to decrease in population.
Please select the word from the list that best fits the definition
similar structures that related species have inherited from a common ancestor A.Species B.Traits C.DNA D.Homologous E. Branching Tree F. Pedigree
*what was the purpose of culturing bacteria on these four plates?
Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If two heterozygous individuals with polka-dot tails mate, what's the probability of the phenotype and genotype combinations of the offspring? A. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (75 percent Pp; 25 percent pp) B. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail C. 25 percent chance of a polka-dot tail and 75 percent chance of a solid colored tail D. 50 percent chance of a polka-dot tail and 50 percent chance of a solid colored tail
The movement of protons (h+) through the atp synthase occurs from ______ to ______ proton concentration.
WILL GIVE A BRAINLEST
Grasses can withstand the fires common to grasslands because grasses _____.
are full of moisture
store water in their leaves
grow thickly together
have extensive root systems
2) After winning the French & Indian War, Great Britain passed the Proclamation of 1763 which made the colonists angry because A) it did not allow them to settle on land west of the Appalachian mountains. B) it passed a tax on items such as newspapers, wills and contracts. C) it forced colonists to house and feed British soldiers. D) it took away their representation in Parliament.
Answer:
A. It did not allow them to settle on west of the Appalachian mountains.
Explanation:
After winning the French & Indian War, the Great Britain passed the Proclamation of 1763 which made the colonists very angry as it did not allow them to settle on land west of the Appalachian mountains. The proclamation was issued by King George III which declared all lands west of the Appalachian Divide off-limits to colonial settlers.
A cell spends approximately _____ of its cycle in the M phase.
A group of scientists must complete a study, but they have limited funding from a government organization. Name two ways these scientists can work around this limitation.
Answer:
One solution is to limit the scope of the study. Another possibility
is do several smaller studies over a longer period of time.
Explanation:
Funding for scientific research can come from scientific organizations, private foundations and government agencies
Two ways the scientists can work around the situation of limited funding from government are;
1) Source for more funding through;
Collaboration with other researchersPublish available research findings to build your network2) Change the size and scope ant time frame of the research
The scientist can work around the given limitations using the above two ways due to the following reason:
Source for more funding;
a) Collaboration and networking with other researchers
A researcher who is met with limited resources to complete a study can
collaborate with other researchers and build networks, to share both
resources, skills and ideas that are geared towards completing the study.
Such collaboration will reduce the amount of duplicated work within the
scientific community and increases the information flow, such that the
researcher can be involved in a new research and also be granted access
to a new funding source
b) Publishing current findings and discoveries
Highly productive researchers are known to be able to publish several
findings within a limited research grant and also they are known to attract
more grant. Therefore, it is important to publish any new findings that have
been made such that it will create awareness among members of the
scientific community and build up network with which to connect with
stakeholders such as gatekeepers within scientific networks and also
becoming more involved which can bring knowledge and attract funding
2) The researcher can scale down the study to reduce cost by reducing the
level to which the research was originally planned:
Cost savings can be made by changing the research direction and
methodologies, through the use of innovative alternatives that provide
similar results
The timing for the study can be reduced to reduce certain time based
expenses, or increased to the costs due to paying for services which are
express
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Consider what would happen if a red blood cell were placed in distilled water
HELP PLEASE! 50 POINTS!!
Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive.
Which Punnett square shows the probability that 100 percent of offspring will have red eyes?
(choices below)
Option A is correct.
The genotype of 100% red eyed flies will be "XRXr, XRY, XRXr, XRy"
Explanation:As the red color of eyes in Drosophila is dominant, so the flies having even only one R will be having red eyes colors in a phenotype. So, all the flies male or female having R will be having red eyes for sure. Option A is the correct answer.
Answer:
a. is correct
Explanation:
it is right on edge 2020
True or false: all animals sense and respond to the environment
"why is it necessary to phosphorylate a glucose molecule, creating glucose-6-phosphate
It is important because the body needs energy from glucose, glycogen phosphorylate, with the help of an orthophosphate, can cleave away a molecule from the glycogen chain. The cleaved molecule is in the form of glucose-1-phosphate, which can be change into G6P phosphate.
The _______ is responsible for determining the frequency of vibration of the air column in the tube within a wind instrument. A. effective length of the tube B. type of reed used C. reed's frequency of vibration D. humidity of the air
the appearance of pebbly texture on the surface of a deep wound indicates what process is taking place
A.Granulation
B.scabbing
C.Grafting
D.Coagulation
The answer is A; Granulation. Just went over it in class
Why do you think so many dogs die from bloat? what factors influence the mortality rate of this disease?
Answer:
Many dogs die from swelling because they need medical attention as soon as possible and their owners cannot reach the vet in less than 30 minutes. These dogs will need surgery, but surgery does not always work, which influences the high mortality rate of this disease.
Explanation:
Abdominal bloating is a condition characterized by abnormal fluid accumulation in the cavity of the dog's abdomen. This disease, when not treated quickly, can progress to something more severe and pressure the diaphragm, causing difficulty breathing. But what is really worrying is the disorder that is causing this signal, since the accumulated fluid in the abdominal cavity can come from the internal organs, blood vessels or lymph nodes.
Abdominal bloating is a disease that has a high mortality rate in dogs, because the animal needs veterinary care as soon as possible and most dog owners cannot reach the vet in less than 30 minutes. In addition, the dog will need surgery, however, surgery does not guarantee that the swelling will resolve and the animal will still be at risk of death.
(4.02 LC)Which of the following products were created through marine biotechnology? Penicillin Plasma television Fluorescent dyes Lithium batteries
Wherever there is water, there is usually mold. From a particular mold Penicillium notatum, the first antibiotic was discovered by Sir Alexander Fleming and was called Penicillin. It is a marine biotechnology where subsequent research on other marine fungi was based.
Answer:
For me the answer was actually Fluorescent dyes and I got a 100%
Explanation:
Chemical compounds from marine organisms can be used for more than medicine. New types of glue have been developed from mussels, heat-resistant enzymes from deep-sea bacteria have industrial applications, and fluorescent compounds from coral and jellyfish can be used commercially as fluorescent dyes.
Which cell technology was made possible by the development of micromanipulation tools
One of the cell technologies that was made possible by micromanipulation tools is reproductive cloning.
Reproductive cloning is a form of artificial reproduction using the cloning technique. It is distinguished from therapeutic cloning or, more properly, cloning for therapeutic purposes.
There are two cloning methods that could be considered for human reproduction: cloning by cleavage of a blastocyst, and cloning by transfer of a cell nucleus into an enucleated ovum.
What causes the Moon to orbit around the Earth?
In the average female, the menstrual cycle lasts ___ days
Describe the differences between the two stabs in the soft agar plate. based on these results, which species appears to be motile
Plasmodium are they heterotroph, autotroph or both
does a plant have a closed or open circulatory system
A nurse is exposed to hepatitis c and receives a shot of gamma globulin. what type of immunity does this nurse have?
Suppose that goats have one gene that codes for color, where a is brown and a is white. the goats also have another gene that codes for height, where b is tall and b is short. if these two genes are unlinked, what is the probability that a cross between aa bb × aa bb parents will produce two out of six offspring that are brown and short? enter your answer as a decimal, rather than as a percentage.
The probability that a cross between aa bb imes aa bb parents will produce two out of six offspring that are brown and short is 0.0156.
In order to solve for the probability of obtaining a specific number of offspring with certain traits, we need to use the binomial probability formula. Since the traits are unlinked, the probability of an offspring being brown (aa) and short (bb) is the product of their separate probabilities. The probability of an offspring being brown (aa) is rac{1}{4}, as both parents are aa, and the offspring must inherit an a allele from each parent. Similarly, the probability of an offspring being short (bb) is also rac{1}{4}. Thus, the individual probability for an offspring to be both brown and short is (rac{1}{4}) imes (rac{1}{4}) = rac{1}{16}. To find out the probability of having exactly two such offspring out of six, we apply the binomial probability formula inom{n}{k}p^k(1-p)^{n-k}, where n is the total number of offspring (6), k is the desired number of offspring with the traits (2), p is the probability of one offspring having the traits (rac{1}{16}), and 1-p is the probability of one offspring not having the traits (rac{15}{16}). Plugging in the values we get inom{6}{2}(rac{1}{16})^2(rac{15}{16})^4, which calculates to 0.0156.
The phosphorus-containing head of a phospholipid attracts water and is
Body motions during speaking are properly referred to as:
A doctor prescribes a 500-mg antibiotic tablet to be taken every eight hours. just before each tablet is taken, 20% of the drug remains in the body. (a) how much of the drug is in the body just after the second tablet is taken? after the third tablet?
A doctor prescribes a 500-mg antibiotic tablet to be taken every eight hours. just before each tablet is taken, 20% of the drug remains in the body.
(a) how much of the drug is in the body just after the second tablet is taken?
600 mg
after the third tablet?
720 mg
(a) After the second tablet: 600 mg. After the third tablet: 620 mg.
(b) Equation: [tex]\(Q_{n+1} = 0.2Q_n + 500\)[/tex].
(c) Long-term quantity: 0 mg.
(a) To find the quantity of the drug in the body just after the second tablet is taken, we need to consider the elimination of the drug over time and the intake of the second tablet.
The quantity of the drug remaining in the body after the first tablet is 500mg.
After 8 hours, 80% of the drug is eliminated, leaving [tex]\(20\% = 0.2\)[/tex] of the drug in the body.
Thus, after 8 hours, the quantity of the drug remaining in the body is [tex]\(0.2 \times 500 = 100\)[/tex] mg.
When the second tablet is taken, another 500 mg of the drug is added to the quantity remaining in the body.
So, after the second tablet is taken, the total quantity of the drug in the body is 100 + 500 = 600 mg.
Now, to find the quantity of the drug in the body just after the third tablet is taken, we repeat the process:
After another 8 hours, 80% of the drug is eliminated from the body, leaving 20% = 0.2 of the drug in the body.
Thus, after another 8 hours, the quantity of the drug remaining in the body is [tex]\(0.2 \times 600 = 120\[/tex]) mg.
When the third tablet is taken, another 500 mg of the drug is added to the quantity remaining in the body.
So, after the third tablet is taken, the total quantity of the drug in the body is 120 + 500 = 620 mg.
Therefore, after the second tablet is taken, there are 600 mg of the drug in the body, and after the third tablet is taken, there are 620 mg of the drug in the body.
(b) Let's denote [tex]\(Q_n\)[/tex] as the quantity of the antibiotic in the body just after the nth tablet is taken.
To find an equation expressing [tex]\(Q_{n+1}\)[/tex] in terms of [tex]\(Q_n\)[/tex], we observe that after each tablet is taken, the quantity of the drug in the body increases by 500 mg. Additionally, after each 8 hours, 80% of the remaining drug is eliminated.
So, the equation expressing [tex]\(Q_{n+1}\)[/tex] in terms of [tex]\(Q_n\)[/tex] is:
[tex]\[Q_{n+1} = 0.2 \times Q_n + 500\][/tex]
(c) In the long run, the quantity of the antibiotic in the body will stabilize when the amount of the drug taken in equals the amount eliminated.
Let's denote the long-term quantity of the antibiotic in the body as [tex]\(Q_{\text{long}}\).[/tex]
According to the equation derived in part (b), after each tablet is taken, the quantity of the drug in the body increases by 500 mg. However, after each 8 hours, 80% of the remaining drug is eliminated.
So, in the long run, [tex]\(Q_{\text{long}}\)[/tex] will stabilize when the amount taken equals the amount eliminated:
[tex]\[0.2 \times Q_{\text{long}} + 500 = 500\][/tex]
Solving for [tex]\(Q_{\text{long}}\):[/tex]
[tex]\[0.2 \times Q_{\text{long}} = 0\]\[Q_{\text{long}} = 0\][/tex]
Therefore, in the long run, no quantity of the antibiotic remains in the body.
The complete question is here:
A doctor prescribes a 500 mg antibiotic tablet to be taken every eight hours. It is known that the body eliminates 80% of the drug in eight hours. (a) How much of the drug is in the body just after the second tablet is taken? After the third tablet?
second tablet X mg
third tablet X mg in terms of
(b) If Q, is the quantity of the antibiotic in the body just after the nth tablet is taken, find an equation that expresses Qn + 1 in terms of Qn
(c) What quantity of the antibiotic remains in the body in the long run? mg
What process is responsible for or leads to magma that is intermediate and often variable in chemistry, when erupted in the cascades?
__________ result(s) from compression stress like that found at convergent plate boundaries.
Why are invasive species dangerous to the environment?
Early detection, rapid response, and effective management strategies are crucial for mitigating the negative effects of invasive species and protecting native biodiversity and ecosystem functioning.
Disruption of Native Ecosystems: Invasive species often outcompete native species for resources such as food, water, and habitat. Loss of Native Species: Invasive species can directly impact native species through predation, competition, or by introducing diseases or parasites to which the native species have no natural defenses.
Habitat Degradation: Invasive species can cause significant changes to the physical environment. Altered Fire Regimes: Some invasive plant species are highly flammable and can alter fire regimes in ecosystems. Economic and Agricultural Impacts: Invasive species can have economic consequences by damaging crops, forests, fisheries, and other industries.
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