Answers
Answer:
Your answer should be D. A section of DNA that codes for a specific trait.
Answer: D
Explanation: Just took the test and got it correct.
Related Questions
The advantage for fishers to choose a population that feeds close to the primary producing population is that ________.
Answers
The advantage for fishers to choose a population that feeds close to the primary producing population is that they will be able to recover a larger biomass of fishes.
Who are the primary producers?The primary producers in an aquatic ecosystem are those organisms that use energy from sunlight to produce their own food upon which other organisms depends on.
These primary producers include:
plants, algae and bacteria.The advantage for fishers to choose a population that feeds close to the primary producing population is that they will be able to recover a larger biomass of fishes.
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6. what is noted as an explanation for why animals fed grain-based diets have fewer fungi in their gut?
Answers
Animals fed grain-based diets have fewer fungi in their gut due to the fact that the high starch content in grains support the growth of fungi
Why fewer fungi in the gut of animals that feed on grain based diets?When compared to animals fed a diet strong in fiber, animals fed grain-based diets have been found to have fewer fungus in their gut.
This is believed to be because the high starch content in grains, which the host digests quickly and effectively, reduces the amount of undigested carbohydrates available to support the development of microbial populations in the gut.
In addition, the low fiber content of diets based on grains may further inhibit the expansion of fungal populations by decreasing the amount of substrate that is available for them to colonize.
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QUESTION 1 Exercise 11.10. Butterflies. Alice, Bob, and Charlotte are looking for butterflies. They look in three separate parts of a field, so that their probabilities of success do not affect each other. • Alice finds 1 butterfly with probability 17%, and otherwise does not find one • Bob finds 1 butterfly with probability 25%, and otherwise does not find one • Charlotte finds 1 butterfly with probability 45%, and otherwise does not find one Let X be the number of butterflies that they find altogether. Write X as the sum of three indicator random variables, X1, X2, X3 that indicate whether Alice, Bob, Charlotte (respectively) found a butterfly. Then X= X1+X2 +X3. Find the expected value of X by finding the expected value of the sum of the indicator random variables. Your answer will have two decimal places. **This is a straight forward expected value of a sum of random variables, nothing fancy here! QUESTION 2 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? O A. Example 11.10, sampling without replacement O B. Example 11.11, sampling with replacement QUESTION 3 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. What is the expected value of getting the first head? This will be an integer answer. QUESTION 4 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The next step is to find the expected value of getting the second head. Because this is identical to finding the expected number of rolls for the first head (independent events), we just multiply the first head's expected value by 2. This will be an integer answer. QUESTION 5 Exercise 11.17 (a). Waiting for favorite song. Michael puts his iTunes on shuffle mode where songs are not allowed to be replayed. He has 2,781 songs saved on iTunes, and exactly one of these is his favorite. How many songs is he expected to have to listen to until his very favorite song comes up? Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? A. Example 11.11, sampling with replacement B. Example 11.10, sampling without replacement
Answers
In Exercise 11.10, the expected value of the number of butterflies found by Alice, Bob, and Charlotte is obtained by finding the expected value of the sum of three indicator random variables.
In Exercise 11.16, the expected value of the number of flips needed to get the second head in a coin flipping experiment is determined. These exercises involve different scenarios of sampling with and without replacement.
In Exercise 11.10, the expected value of X, the total number of butterflies found, is found by calculating the expected value of each indicator random variable (X1, X2, X3) representing whether Alice, Bob, and Charlotte found a butterfly, respectively.
The expected value of each indicator variable can be obtained by multiplying the probability of success (finding a butterfly) by 1 and the probability of failure (not finding a butterfly) by 0. Then, the expected value of X is calculated as the sum of the expected values of the indicator variables.
In Exercise 11.16, the expected value of X, the number of flips needed to get the second head, is determined. To find this value, we first need to find the expected value of getting the first head. This scenario is similar to Example 11.11, which involves sampling with replacement.
Each coin flip is an independent event, and the probability of getting a head is constant at 0.5.
Therefore, the expected value of getting the first head is 1/p, where p is the probability of success (0.5 in this case).
In Exercise 11.17 (a), the scenario of waiting for a favorite song in Michael's iTunes playlist involves sampling without replacement. Each song played is not replayed, and there is only one favorite song among the total number of songs.
Therefore, this scenario is similar to Example 11.10, sampling without replacement.
To find the expected number of songs Michael needs to listen to until his favorite song comes up, the formula for sampling without replacement is used, which is the reciprocal of the probability of selecting the favorite song at each step.
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The ________ of the small intestine provide a large surface area for ____________ absorption. They are similar in function to structures found in other systems that serve the same purpose. For instance, the ___________ system uses alveolar sacs to increase the surface area for nerve impulses.
Answers
The villi of the small intestine provide a large surface area for more efficient absorption. They are similar in function to structures found in other systems that serve the same purpose. For instance, the respiratory system uses alveolar sacs to increase the surface area for nerve impulses.
The small intestine is an organ that is a part of the gastrointestinal tract which is responsible for the digestion and absorption of food. Absorption of food is more highly efficiently achieved by the presence of villi.
Villi are microscopic foldings found in the epithelium of the small intestine to increase the surface area of the small intestine. This helps in more efficient absorption of food.
Similar to this function, we have air sacs in the alveoli. These are part of the respiratory system, which increases the surface area for exchanging of gases in the body.
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Today, pandas live in fragments of forest that are not connected. What is one way that fragmented habitat could affect the growth rate of a population?
Answers
Answer:
Explanation: The fragmented forests affect the growth rate population since its' not connected. When a habitat is not connected it creates only tiny pockets of places where a species can live. When a species is already so small it's even less in an already small area leading to reduction in growth.
When a habitat is not connected, it only produces a few small areas where a species can survive.
What fragmented habitat affect growth rate of a population?Elevated inbreeding and decreased gene flow among plant species are caused by genetic variation, increasing ways of inter-population genetic divergence, and enhanced impacts of random genetic drift.
The process of habitat fragmentation has three additional impacts in addition to habitat loss.
An increase in the number of patches, a decrease in the size of the patches, and an increase in the isolation of the patches.
Therefore, Due to their disconnection, the fragmented woods have an impact on population growth rates.
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What is artificial selection??
A.) a natural process
B.) A process during which human intentionally breed organisms with desirable traits.
C.) A process during which humans speed up the process of reproduction in organisms.
D.) A process during which humans genetically modify an organisms DNA.
Answers
Answer:
i believe the answer is b
Explanation:
what is the medical term for the surgical removal of a synovial membrane from a joint?
Answers
Synovectomy is the medical term which is used for the surgical removal of the synovial membrane from a particular joint.
Synovium basically refers to the soft tissue which lines the spaces of the diarthrodial joints, bursae and the tendon sheaths. It basically includes the continuous surface layer of cells or the intima and the underlying tissue which is known as the subintima.
A synovectomy is basically a surgical procedure which is used to treat the synovitis and a few other conditions that affect the synovium which forms the lining of the inside of certain joints which are known as called synovial joints present in our knee, our shoulder or elbow. In this particular procedure, much of the synovium gets removed.
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Why do scientists divide Earth's core into and outer core and inner core?
Group of answer choices
They exist in different states of matter.
They have a different chemical composition.
They were formed in different geological eras.
They are divided by a layer of partly molten material called the mesosphere.
Answers
Answer:
because they consider the the difference of chemical components
Scientists divide Earth's core into outer and inner core because ; ( A ) They exist in different states of matter
The inner core of the earth is very hot and is composed mainly of Iron, it is as big as the size of the moon and is solid in nature. while the outer core which is liquid in nature is composed of iron and nickel and surrounds the Earth's inner core, acting as a boundary between the inner core the Earth's mantle.
Therefore the main reason why scientists divide the Earth core into outer and inner core is due to the difference in state of the inner and outer earth core, and not its chemical composition because they both contain Iron.
Hence we can conclude that Scientists divide Earth's core into outer and inner core because, They exist in different states of matter.
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Jet lag is associated with changes to your ; and is best helped by Circadian rhythms; exposure to sunlight Inner ear pressure; chewing gum Circadian rhythms; sleeping when tired Inner ear pressure; ear plugs
Answers
Jet lag is associated with changes to your circadian rhythms and is best helped by adjusting sleep patterns according to the new time zone, option C is correct.
Exposure to sunlight can also assist in resetting the body's internal clock. The options of inner ear pressure with chewing gum and inner ear pressure with ear plugs are not directly related to managing jet lag. Instead, the focus should be on regulating circadian rhythms and adapting sleep schedules to the destination time zone. By aligning sleep patterns and exposure to natural light, individuals can minimize the effects of jet lag and facilitate faster adjustment to the new time zone.
Additionally, there are other strategies that can aid in reducing the impact of jet lag. These include staying hydrated by drinking plenty of water throughout the journey, avoiding excessive consumption of alcohol and caffeine, and engaging in light physical activity during the flight or upon arrival at the destination, option c is correct.
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The complete question is:
Jet lag is associated with changes to your______and best helped by_____
A.Circadian rhythms; exposure to sunlight
B.Inner ear pressure; chewing gum
C.Circadian rhythms; sleeping when tired
D.Inner ear pressure; ear plugs and is best helped by
Which of the following reactions will have a net negative delta E value?
TCA Cycle
Glycolysis
Fermentation
Pentose Phosphate Pathway
Photosynthesis
Answers
A reaction with a net negative delta E value means that the reaction is spontaneous. Spontaneous reactions are the ones that release energy and move toward equilibrium without any external input. When a reaction has a net negative delta E value, it means that the products are more stable than the reactants.
The reactants will, therefore, spontaneously convert into products. This means that the reaction is exothermic as heat is given off.
The TCA Cycle is the only one of the options given that will have a net negative delta E value. The TCA Cycle (also known as the Krebs Cycle) is a series of reactions that occur in the mitochondrial matrix of eukaryotic cells. The TCA Cycle is responsible for the oxidation of acetyl-CoA and the generation of NADH and FADH2, which will be used later in the electron transport chain to produce ATP.
During the TCA Cycle, the oxidation of acetyl-CoA to CO2 releases energy. This energy is used to generate ATP, NADH, and FADH2. Since energy is released, the reaction is exothermic, and delta E is negative. This means that the TCA Cycle will have a net negative delta E value.
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Frank counts 56 maple trees living on a 20-acre tract of land, and the data allows him to calculate the
Choose...
of the maple trees on the land. He observes that most of the maple trees grow closely together in groups of 6 to 8 trees, which describes the
Choose...
. The
Choose...
of the maple trees shows the percentages of trees of different ages.
Answers
Answer:
Population density. Population distribution.
Explanation:
How do all the action of micro organisms on following nutrients
Carbohydrates
Lipids
Proteins
Answers
Microorganisms play an essential role in the breakdown and cycling of nutrients, including carbohydrates, lipids, and proteins.
What is the role of microorganisms in enriching soil nutrients?The role of microorganisms in enriching soil nutrients is as follows:
Carbohydrates: Microorganisms break down carbohydrates into simple sugars like glucose through a process called glycolysis. Some microorganisms like yeast then use these simple sugars to produce energy and release carbon dioxide and ethanol in the process of fermentation.
Lipids: Microorganisms break down lipids through a process called lipolysis. Microorganisms like bacteria and fungi can then use the glycerol and fatty acids to produce energy through processes like beta-oxidation. Some microorganisms can also produce lipids, which can be used for biofuel production.
Proteins: Microorganisms break down proteins into their constituent amino acids through a process called proteolysis.
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In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all organisms and also the basic unit of ... All living organisms are composed of one or ...
Answers
Example: Unicellar organisms made of one cell; bacteria. Humans, multicellar organisms; made of many cells.
comparing the -10 regions of two e. coli promoters which have identical -35 regions revealed the sequence tataat for the first and gatact for the second one. why does the first promoter cause a higher transcription rate than the second one?
Answers
The -10 region of a promoter plays a crucial role in the initiation of transcription in bacteria.
In this case, comparing the -10 regions of two E. coli promoters with identical -35 regions revealed the sequence "tataat" for the first promoter and "gatact" for the second promoter. The reason why the first promoter causes a higher transcription rate than the second one lies in the recognition and binding of the RNA polymerase enzyme. The "tataat" sequence in the first promoter closely resembles the consensus sequence (TATAAT) recognized by the RNA polymerase, allowing for efficient binding and initiation of transcription. On the other hand, the "gatact" sequence in the second promoter deviates from the consensus, which may result in weaker binding and lower transcription rates compared to the first promoter.
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A ___________ is a part of a chromosome that is inherited from the parent(s).
a
virus
b
trait
c
mutation
Answers
Answer:
b. trait
Explanation:
A trait is a part of a chromosome that is inherited from the parent(s). Inherited traits are passed from parent to offspring.
Sharon reads two different articles about avocados. The first article, in a weight-loss magazine, claims that avocados are unhealthy because they are high in fat. The second article, in an annual publication from a doctors’ group, claims that the fat in avocados is a type that is good for the heart. To assess these claims, which question might sharon ask?.
Answers
Answer:
Is this going to fill my desires?
Explanation:
hope it helps
A fatal weakness in Wegener's theory was that it could not satisfactorily answer the
most fundamental question raised by his critics. What was this question?
Answers
Answer:
The answer was that he did not have enough proof for other people to believe him. Like other great scientists and people, such as Galieo, they are often deemed crazy or wrong due to a lack of proof.
Choose one sort of diversity (for example, age, gender, etc.)
and explain why it is essential as a factor in your opinion.
Answers
The type of diversity that I have chosen is ‘Gender Diversity’ and below are the reasons why it is essential as a factor in my opinion.
Gender diversity refers to the representation of both men and women in the workplace and society as a whole. It includes people of all genders, including non-binary individuals. Gender diversity has a significant impact on the workplace and society in general. As women are still underrepresented in many industries and roles, increasing gender diversity can lead to more opportunities for women and help break down gender stereotypes.
By having a gender-diverse workplace, companies can ensure compliance with these laws and avoid penalties or legal issues in the future.In conclusion, gender diversity is essential because it promotes a more inclusive environment, encourages innovation and creativity, and leads to better decision-making. By having a gender-diverse workplace, companies can improve employee satisfaction, increase profitability, reduce discrimination and biases, and ensure compliance with laws related to gender diversity.
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how is the endocrine system involved in the physiological responses of temperature and body position g
Answers
Answer:
The endocrine system strategically regulates the homeostasis of the body. homerostasis in the body is a state of balance among all the body systems needed for the body to survive and function correctly.
The __________ is part of the central nervous system (CNS) and the __________ is part of the peripheral nervous system (PNS).
Answers
Answer:
1) brain
2)spinal cord
the answer
pls vote me as branliestthe common edible frog of europe is a hybrid between two species, rana lessonae and rana ridibunda. the hybrids were first described in 1758 and have a wide distribution, from france across central europe to russia. both male and female hybrids exist, but when the hybrids mate with other hybrids or with adults of either species, they are rarely successful in producing offspring. what can you infer from this information?
Answers
The right answer is that the two frog species are isolated from one another by post-zygotic isolation
After representatives of two distinct species have mated and created a zygote, postzygotic isolation takes place.A hybrid is the name given to the child of such a pairing. Since hybrids typically cannot reproduce on their own, the development of a hybrid is not seen as a successful mating.
Post zygotic isolation can be achieved by 3 mechanism-
Hybrid Zygote Abnormality- Gametes from different species can occasionally combine to form a hybrid zygote, however these zygote are typically malformed. Most do not make it to germination or birth. Those who do frequently do so abnormally and never mature sexually. Even if babies were born in these situations, the mating of different species is considered unsuccessful because the offspring were unable to pass on their genes.Hybrid Infertility - The majority of hybrid kids are sterile, which means they do not produce viable gametes, among those that do develop properly and achieve sexual maturity. Mules, for instance, are the offspring of a horse and a donkey. They are born, grow into normal, healthy adults, yet they are unable to have children of their own.Low hybrid viability means that, in contrast to mules, the majority of hybrid offspring that make it from the zygote stage to birth are not healthy. Most people pass away before they can have children. Reproduction that results in sick hybrids that pass away before reaching sexual maturity is regarded as unsuccessful, just like the creation of hybrids that cannot develop into reproducing adults.To learn more about zygote click here
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The above question is incomplete. Check complete question below-
The common edible frog of Europe is a hybrid between two species, Rana lessonae and Rana ridibunda. The hybrids were first described in 1758 and have a wide distribution, from France across central Europe to Russia. Both male and female hybrids exist, but when they mate among themselves, they are rarely successful in producing offspring. What can you infer from this information?
A. Postzygotic isolation exists between the two frog species.
B. Prezygotic isolation exists between the two frog species.
C. These two species are likely in the process of fusing back into one species.
D. The hybrids form a separate species under the biological species concept.
in h-nmr spectroscopy, which factor determines the shape of the spectra?
Answers
In H-NMR (Hydrogen Nuclear Magnetic Resonance) spectroscopy, the shape of the spectra is determined by the number and type of different hydrogen environments in the molecule, as well as their respective coupling to neighboring protons.
define spectra ?
A spectrum is a plot of the distribution of energy, frequency, or wavelength of electromagnetic radiation, or other physical quantity, as a function of the frequency, wavelength, or energy. In the context of NMR spectroscopy, a spectrum refers to the plot of the intensity of the NMR signal as a function of the magnetic field strength or frequency of the NMR signal.
In H-NMR (Hydrogen Nuclear Magnetic Resonance) spectroscopy, the shape of the spectra is determined by the number and type of different hydrogen environments in the molecule, as well as their respective coupling to neighboring protons. The chemical shift of each type of hydrogen in the molecule is determined by the electron distribution around the nucleus, while the coupling between different hydrogen atoms results in splitting patterns in the spectrum. The size and shape of the peaks in the spectrum can therefore provide valuable information about the structure and environment of the hydrogen atoms in the molecule being studied.
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Please help with all.
Answers
Answer:
I’m sorry man I don’t know Btw Good luck on ur exams..
Explanation:
I’m
How is the sentence below BEST written?
Water satisfies your thirst even better then lemonade does.
change then to than
change your to you're
change satisfies to had satisfied
change better to more
Please help me
Answers
The sentence "Water satisfies your thirst even better then lemonade does." is best written as "Water satisfies your thirst even better than lemonade does." by changing then to than, option "A".
What makes a sentence a sentence?Sentences start with a capital letter, ends with either a full stop, question mark or an exclamation mark and has a subject and a verb. A sentence also contains a predicate.
Predicate are parts of the sentence that states what the subject is about. Sentences can contain conjunctions such as "than" used for comparison and as a preposition. The word "than" gives a better meaning to the sentence "Water satisfies your thirst even better than lemonade does."
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Answer: b
Explanation: your in summer school to
ryan loves taco bell and frequently eats there during the week. he is not very physically active and has noticed that he has gained some weight. explain ryans weight gain
Answers
Answer:
Ryan is gaining weight because he is consuming food with few nutrients that isn’t very healthy for him yet he isn’t working out while eating this or counter acting it with other foods
HOPE THIS HELPS
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Explanation:
Contrast how DNA is contained in prokaryotes and eukaryotes
Answers
Answer:
Prokaryotic genomic DNA is attached to the plasma membrane in the form of a nucleoid, in contrast to eukaryotic DNA, which is located in a nucleus.
Explanation:
what is organ of digestion the main site of absorption?
Answers
Tiny intestines. The ongoing collapse process is primarily its fault. The jejunum and ileum, located at the bottom of the gut of organ, are principally in charge of bloodstream nutrient absorption.
The contents turn from semi-solid to liquid after transiting the small intestine. The duodenum is the initial part of the small intestine. The ongoing collapse process is primarily its fault. The jejunum and ileum, located at the bottom of the gut, are principally in charge of bloodstream nutrient absorption. It aids in the further digestion of foods that are stomach-born. It consumes food to get the water, lipids, proteins, vitamins, and minerals the body organ needs to function. The tiny intestine is a part of the digestive system.
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antidiuretic hormone is: question 3 options: 1) a hormone produced by the adrenal cortex that regulates na+ reabsorption and k+ secretion by the kidneys. 2) hormone produced by the hypothalamus and released by the posterior pituitary. it stimulates the kidneys to reabsorb more water, reducing urine volume. 3) a hormone released by certain cells of the frontal lobe that reduces blood pressure and blood volume by inhibiting nearly all events that promote vasoconstriction and na+ and water retention. 4) a hormone released by certain cells of the heart atria that reduces blood pressure and blood volume by inhibiting nearly all events that promote vasoconstriction and na+ and water retention.
Answers
Option 2 is the correct one , Antidiuretic hormone (ADH), which is produced in the hypothalamus and transported to and released from the posterior pituitary gland, is a polypeptide hormone. ADH's main function is to control how much water is expelled by the kidneys.
ADH, sometimes referred to as vasopressin, enables the kidney tubules to directly reabsorb water, which concentrates salts and wastes in the urine that hypothalamus will eventually be expelled. Either through controlling blood volume or the amount of water in the circulation, the hypothalamus regulates the processes of ADH production. A rise in osmolarity exceeding 300 mOsm/L due to dehydration or physiological stress can increase ADH production and water retention, which in turn elevates blood pressure.
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in a species of birds incomplete dominance between allels for black and white feathers are observed. Heterozygotes are gray. if two gray birds are crossed, what is the precentage of the offspring will be black?
A. 25%
B. 50%
C. 100%
Answers
Which of the following geological features could form when two plates collide?
A. Trench
B. Mid-Ocean Ridge
C. Transform fault
D. Delta
Answers
Answer:
trench
Explanation:
Trenches are geological features formed by convergent boundaries. When two tectonic plates converge, the heavier plate is forced downward, creating a subduction zone. This process results in the formation of a trench. The Marianas Trench is an example of a trench formed by the convergence of two oceanic plates. The deepest part of this trench, called the Challenger Deep, is over 36,000 feet deep, deeper than Mount Everest is tall.