Consider two populations of fish that live in separate ponds and differ in the frequency of alleles at a locus. after a flood, the two ponds become connected by a stream and some fish are able to move between the ponds. what will happen to allele frequencies at this locus in the two populations?
The allele frequencies in the two ponds will become more similar to each other. Migration has two major effects . First it causes the gene pool of populations to become more similar. Second , migration adds genetic variation to population. Different alleles may arise in different populations owing to rare mutational events and these alleles can be spread ti new populations by migration, increasing the genetic variation within recipient population.
What is the name for networks of health care providers that directly provide all or most of a person's health care for a yearly fee?
What does exercise create in muscle fibers.... hormones, lactic acid, enzymes, red blood cells, tears?
Exercise creates muscle fibers and lactic acid, if the workout is done vigorously, that is the second option, as normal exercise can improve the enzyme activity of the muscles and improve their health.
What is exercise ?Lactic acid is produced in the muscles during intense exercise when the body's demand for energy exceeds its oxygen supply, so lactic acid can build up in the muscles and cause fatigue and discomfort, and it improves enzyme function and plays an important role in breaking down carbohydrates and fats to produce energy for the muscles, but it can cause microscopic damage to muscle fibers, resulting in muscle soreness and tears, which are usually the result of traumatic injury or overuse.
Hence, exercise creates muscle fibers and lactic acid, if the workout is done vigorously, that is the second option.
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Why is it important that specific tissues respond to insulin in different ways?
it important that specific tissues respond to insulin in different ways because the cells in the body really need sugar to work optimally. however, it is unfortunate that cells cannot directly convert sugar into energy the body needs.
Further explanationInsulin has an important role in our body to convert sugar (glucose) from carbohydrates consumed to energy, and also can function to store glucose as a necessity in the future. Maintaining the function of insulin is very important as controlling blood sugar levels so that the body does not jump too high or go down too low.
for the workings and functions of the hormones insulin and glucagon such as yin- yang in blood calcium levels. These hormones can work together to balance blood sugar, and keep it at the level needed by the body.
the cells in the body really need sugar to work optimally. however, it is unfortunate that cells cannot directly convert sugar into energy the body needs.
it can be concluded that insulin is important for the body to use by humans to convert the sugar that humans eat into energy. If this hormone is not present, then sugar is just circling in the blood.
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DetailsClass: College
Subject: Biology
Keywords: Insulin, Body, Blood
The sides of a composite- cone volcano have which feature
fumaroles is the answer i think
According to chargaff's rule, if the dna of a species contains 20% adenine, what percent of guanine will it
What is the ploidy level of the spores produced in the sporangium?
The spores produced in the sporangium are haploid (1n), formed by meiosis within a diploid sporophyte (2n), which is part of a plant's life cycle.
The ploidy level of the spores produced in the sporangium is haploid (1n). This is because in the life cycle of a plant, the sporophyte stage is diploid (2n) and produces spores through the process of meiosis. During meiosis, the chromosome number is halved, resulting in haploid spores. These spores then can develop into a gametophyte, which is the haploid stage of the plant capable of producing gametes (sperm and eggs).
Illustratively, when a zygospore germinates, it gives rise to a sporophyte which bears the sporangium. The sporangium's role is to produce spores by meiosis. As the diploid nuclei undergo meiosis within the sporangium, they form haploid spores that are eventually dispersed into the environment. These haploid spores, upon germination, develop into haploid gametophytes, completing the cycle.
Which term names a change in the environment that causes an organism to take action? A. growth B. Response C. Genetics D. Stimulus
why do the gas giants have more moons than the terrestrial planets?
Answer:
They are larger and so they have more gravity (apex)
Explanation:
Answer:
They have a bigger gravitational pull and they are larger
Explanation:
Apex
Several studeies note that older siblings have a _______influence on the drug use of younger siblings thatn pare =nts have
Answer:
Higher
Explanation:
Hope this helps
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A plant that stores water in its tissues is called a _____.
succulent
shrub
grass
weed
1. If you approach a railroad track where the gate has come down or lights are flashing, you should stop __________
The population of the earth is roughly six billion people. if all free electrons contained in this extension cord are evenly split among the humans, how many free electrons ( ne) would each person
Each person would receive [tex]\(4.17 \times 10^{12}\)[/tex] free electrons.
To solve this problem, we need to know the number of free electrons in the extension cord.
Let's assume that the extension cord contains [tex]\(2.5 \times 10^{22}\)[/tex] free electrons.
Now, we'll divide the total number of free electrons in the extension cord by the population of the Earth:
[tex]\[\frac{2.5 \times 10^{22}}{6 \times 10^9} = \frac{2.5 \times 10^{22}}{6,000,000,000} \approx 4.17 \times 10^{12}\][/tex]
Each person would receive approximately [tex]\(4.17 \times 10^{12}\)[/tex] free electrons.
Besides cardiac muscle, what other tissue type possesses pacemaker cells?
Smooth muscle is another type of tissue that possesses pacemaker cells beside the cardiac mucle. It has a pacemaker activity that can remove the vibration of waves without the present of some external stimuli. In addition, smooth muscle can also start a spontaneous contraction.
According to ecological individualism, it would be morally justifiable to allow hunters to kill some deer to insure the wellbeing of an ecosystem:
According to ecological individualism, it would be that morally justifiable to allow hunters to kill some deer to insure the wellbeing of an ecosystem. The statement is false because ecological individualism mean creatures have moral status, such as a deer.
Consider the wetland habitat pictured here. Imagine a very hot summer with little rain. What would be the limiting factor for the populations of all of the animals living here? A) competition B) food Eliminate C) space D) water
The right answer is actually D)water
Answer:
D) water
Explanation:
A very intense summer region with little rainfall causes a decrease in the amount of water for the animals. This is because intense summer evaporates much of the water available to animals, as in this region, rain is scarce, evaporated water takes time to return to the ground, which can cause a severe drought that makes water a limiting factor for animal life.
Therefore, we can conclude that the correct answer to your question is the letter D.
Which biotic factor would limit the antelope population in the African savanna?
The correlation between a cereal's fiber and potassium contents is requals= what fraction of the variability in potassium is accounted for by the amount of fiber that servings contain?
In anova analyses, when the null hypothesis is rejected, we can test for differences between treatment means by _____________.doing a t testdoing an additional anovaconstructing confidence intervalsadding another treatment
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Triangle CDE is translated down and to the right, forming triangle C'D'
e. Which congruency statement is correct?
a. ΔDCE ≅ ΔD'E'C'
b. ΔDCE ≅ ΔD'C'E'
c. ΔEDC ≅ ΔC'D'E'
d. ΔEDC ≅ ΔC'E'D'
Option B is correct.
b. ΔDCE ≅ ΔD'C'E'
Explanation:Triangle is a shape has three angles so when we translated it down It will become as,
CD ≅ C'D'CE ≅ C'E'DE ≅ D'E'SO, It will make three different kinds of triangles, That is why It is named as triangle and Option B is correct.
A 73-year-old client has been brought to the emergency department by the client's adult children due to abrupt and uncharacteristic changes in behavior, including impairments of memory and judgment. the subsequent history and diagnostic testing have resulted in a diagnosis of delirium. which teaching point about the client's diagnosis should the nurse provide to the family?
As previously mentioned, this toxin can cause a fatal disease known as botulism. if the toxin becomes systemic, it can block the release of ach from nerves in other locations. why do you think botulism can be fatal?
Why are dew and frost rarely seen in the afternoon? the dewpoint is typically highest in the afternoon the dewpoint is typically lowest in the afternoon the relative humidity is typically highest in the afternoon the relative humidity is typically lowest in the afternoon?
Final answer:
Dew and frost are rarely seen in the afternoon because the air temperature is too high to reach the dew point, which is required for their formation, and the relative humidity is typically lower due to the increased capacity of warmer air to hold water vapor. The correct statement is "the relative humidity is typically lowest in the afternoon".
Explanation:
Why are dew and frost rarely seen in the afternoon? Dew and frost formation is significantly influenced by air temperature, relative humidity, and the dew point. The dew point is the temperature at which air needs to cool down for water vapor to condense into liquid water or solid ice crystals. In the evening and early morning hours, when the air temperature drops, it often reaches the dew point, leading to the formation of dew or frost if the temperature is below freezing. Conversely, during the afternoon, the air temperature is usually at its highest, leading to a lower likelihood of reaching the dew point. Additionally, the relative humidity is typically lower in the afternoon because warmer air can hold more water vapor, making it less likely for dew or frost to form.
The highest relative humidity generally occurs around sunrise when the air temperature is at its coolest, not in the afternoon. This is because cooler air cannot hold as much water vapor, so relative humidity percentages are higher. As the day progresses and temperatures rise, the capacity for the air to hold water vapor increases, and the relative humidity decreases, thus reducing the chance for dew or frost to form during the afternoon.
Which of the following is a conceptual model that represents the flow of energy through an ecosystem? A. inheritance B. food web C. infiltration D. circulatory system
Answer: Option B food web
Explanation:
A conceptual model is the one which shows the interaction between the living and non living components of the ecosystem with the help of a flow chart.The conceptual models are also called as compartmental models.An example of the conceptual model present in the ecosystem is the food web.A food web is a system of interlocking food chains which shows the feeding relationship between various organisms.A food chain is simply a linear flow chart which shows who eats who in an ecosystem. e.g grass-----> insect----->vole---->hawkWhen several food chains are linked together we get a food web.The organisms in the food web are shown connected to each other with the help of arrows. These arrows are used to describe the feeding relation between the various organism and thus, the flow of energy.An example of a food web is attached along with the answer.All the other options that are given such as inheritance, infiltration and circulatory system do not show a conceptual model as they do not show a relationship between organisms in the ecosystem.So, the food web is the conceptual model that represents flow of energy in an ecosystem.
What can you conclude about the relationship between toxin secretion and culture density in s. aureus? select the three statements that are true. what can you conclude about the relationship between toxin secretion and culture density in s. aureus? select the three statements that are true. cultures grown at high density secrete significant amounts of toxin. the transition from culture densities that do not secrete toxin to those that do secrete toxin occurs quickly after a threshold is reached. cultures grown at low density do not secrete significant amounts of toxin. there is no relationship between culture density and the amount of secreted toxin for s. aureus. the relationship between culture density and toxin secretion is linear over the range of culture densities sampled?
In S. aureus, cultures grown at high density secrete significant amounts of toxin, the transition to toxin secretion occurs quickly after reaching a threshold, and cultures grown at low density do not secrete significant amounts of toxin.
Explanation:Based on the information provided, we can conclude the following about the relationship between toxin secretion and culture density in S. aureus:
Cultures grown at high density secrete significant amounts of toxin: This statement is true, as mentioned in the information provided.The transition from culture densities that do not secrete toxin to those that do secrete toxin occurs quickly after a threshold is reached: This statement is true, indicating that there is a distinct threshold for toxin secretion.Cultures grown at low density do not secrete significant amounts of toxin: This statement is also true, indicating that toxin secretion is dependent on culture density.What trait do the mushroom and gecko share that the tree lacks?
Both the mushroom and the gecko are heterotrophs: they need to obtain their food from other bases. The tree, on the other arrow, is an autotroph it earns most of its nutritional needs through photosynthesis.
What trait do a gecko fungus and palm tree share?A gecko, fly agaric (fungus), and a palm tree all have compartments with nuclei, but a gecko and fly agaric are both heterotrophic while a palm tree is a photosynthetic autotroph.
Thus, Both the mushroom and the gecko are heterotrophs, they need to gain their food from other seeds.
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Why is it that bacterial ribosomes can begin translation before mrna synthesis is completed, but eukaryotic ribosomes cannot?
Bacterial ribosomes can begin translation before mRNA synthesis is completed because transcription and translation occur in the same place, whereas in eukaryotic cells they occur separately with eukaryotic mRNA needing to be processed and transported from the nucleus to the cytoplasm before it can be translated.
Explanation:The key difference between bacterial ribosomes and eukaryotic ribosomes in terms of translation lies in their cellular structures and mechanisms. In simpler, prokaryotic cells like bacteria, both transcription and translation occur in the same cytoplasmic space allowing for simultaneous RNA synthesis and protein synthesis. This process forms polysomes or polyribosomes, where multiple ribosomes translate a single mRNA sequence concurrently, leading to rapid protein production.
In contrast, eukaryotic cells have a more complex cell structure, with the cellular process of transcription taking place in the nucleus and translation occurs in the cytoplasm. As a result, eukaryotic mRNA is transported out of the nucleus after completion of transcription and modifications such as the addition of a 5' cap, poly-A tail, and removal of introns in a process known as splicing. Consequently, eukaryotic ribosomes can only start translation after mRNA synthesis is completed, leading to a decoupling of transcription and translation in eukaryotes.
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A scientist is trying to determine the relationship between clams , snails , and squids. When she generated a molecular clock he is suprised to see that clams and squid are more closely related than clams and snails which did the molecular clock data show
One of the liver's main functions is to detoxify potentially toxic substances. Given this information, which organelle(s) would you expect liver cells to have in abundance? Explain.
By the mid-miocene, monkeys became more common than apes because __________.
Monkeys became more common than apes in the mid-Miocene as a result of environmental changes such as forest reduction and climate cooling and drying, which favored their adaptability, diverse foraging behaviors, and faster reproduction rates.
By the mid-Miocene, monkeys became more common than apes due to a variety of environmental and evolutionary factors. The Miocene Epoch experienced significant climatic change that led to the reduction and fragmentation of forests in Africa. These changes created more open and diverse habitats which favored the generalist foraging behaviors and environmental adaptability of monkeys. As conditions became drier and cooler due to factors like the uplift of the Himalayan mountain chain, the previously extensive forests diminished and grasslands expanded, limiting the habitat suitable for apes. Monkeys thrived due to their greater adaptability and diversity in exploiting both arboreal and terrestrial niches.
Monkeys, especially the cercopithecine or cheek pouch monkeys such as macaques and baboons, could also reproduce faster than apes, giving birth every two years compared to the four or five years for gorillas and chimps, respectively. Their ability to exploit varied resources and survive in these changing conditions allowed monkeys to survive and thrive in Africa and Asia despite environmental changes that drove many ape species to extinction.