Answers
Answer:
The human appendix may be considered as a vestigial organ as it has been proved that the removal of the organ after infancy does not create any harm. Vestigial in that sense means that the vermiform appendix seemingly has no functions or is useless now but they might have had functions previously which are lost someway due to evolution.
Explanation:
Vestigial organs are organs, tissues or cells in a body which are not functional anymore the way they were in their ancestral form of the trait. It is therefore authentication of evolution and hence were helpful in explaining adaptation.
Related Questions
Question 6 (2.5 points)
Which of the following is an example of a reasoned and persuasive argument regarding an ethical
issue?
a)
Evading taxes is immoral because the government uses taxes to fund social welfare
programs.
b)
Walking barefoot is morally incorrect because feet tend to have an unpleasant odor.
c)
Those that send SPAM email are morally wrong, because the email recipient doesn't enjoy
reading unsolicited advertisements.
d) Excessive sun exposure is unethical because it prematurely ages the appearance of skin.
Answers
The best example of an ethical issue is the statement: 'Evading taxes is immoral because the government uses taxes to fund social welfare programs' option A.
What are ethical issues?Ethical issues are issues which are concerned with proper and acceptable behavior guiding an establishment or a group of people in a society or an organization.
Ethical issues are very prominently debated in the society.
An example of an ethical issue is the paying of taxes or not.
Since the paying of taxes enables the government to carry out various social and welfare projects that citizens enjoy, it is therefore expected of citizens to pay their taxes.
Evading taxes is thus a serious ethical issue.
Based on the proper reasoning and persuasion, the best example of an ethical issue is: Evading taxes is immoral because the government uses taxes to fund social welfare programs' option A.
In conclusion, ethical issues are issues which affect proper behavior and ethics.
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What makes skin so susceptible to uncontrolled cellular growth?
Answers
Skin is most vulnerable to uncontrolled cellular growth as it gets exposed to the external environment and the possible carcinogens
hope this helps!
Water, carbon dioxide, oxygen, and some other substances can pass through the cell membrane because...
Group of answer choices
they are organic.
they are small and nonpolar.
they are hydrophobic.
they are polar.
Answers
Answer:
its a
Explanation:
they are all organic
which one of these animals has the lowest fertility of offspring?
a) insects
b) worms
c) fish and aquatic animals
b) mammals
Answers
Answer:
I think it is Mammals
am only 85% sure of the answer am giving you
plz help someone need help thx
Answers
Answer:
(1)Oxid No. of N2 = 0
Because Oxid no. in its elemental state is always 0.
(2)electrons
During a redox rn there is a transfer of electrons between two species.
BRAINLIST
How should an empty container of a P-listed medication be disposed of?
A) In a BLUE and WHITE pharmaceutical waste container
B) a BLACK container
C) In a RED bag
D) In a regular trash can
Answers
What is the probability for a yellow offspring?12/162/1614/164/16What is the probability for a short offspring?12/162/1614/164/16What is the probability for a short green offspring?1/162/163/164/16
Answers
Probability for yellow offspring is 12/16
Three genes control the production of tail structures in dogs. The wag1 gene promotes the production of tail structures. However, the brkn gene inhibits wag1 activity. Another gene, ntrdr, stimulates activity of the brkn gene. Put these genes in order in a developmental pathway. Use arrows and t-bars between the genes as appropriate.
You conducted an experiment in which you knocked out the activity of the ntrdr gene in early embryological development. Will tail structures be produced by this animal?
a. Yes
b. No
Answers
Answer:
1. ntrdr --> brken --| wag1 --> Tail structures
2. Yes
Explanation:
(1) In this experiment three different genes are present;
1) Wag-1 - promotes production of tail structures
2) brkn gene - inhibits Wag-1 which leads to inhibition or inactive Wag1 gene and there is no tail formation.
3) ntrdr gene - stimulates the activity of brkn gene thus this in turn inhibits Wag-1 gene and results in inhibiting the tail formation.
(2) The ntrdr gene stimulates the brkn gene and active brkn gene inhibits the wag-1 gene. As we know Wag1 gene is essential for tail formation. on removing out ntrdr gene result in inactive gene brkn thus allows the expression of the Wag-1 gene allowing tail growth in dogs.
outline two importance of planning meals
Answers
Answer:
Keeps the body healthy and fit
nutrition is likely to be function better
carrying capacity related to a population of organisms in an ecosystem. what do you think the term carrying capacity means? what factors could it influence?
Answers
Answer:
this mean the certain number of organisms an ecosystem can hold without being overrun and potentially destroyed.
definition of biography
Answers
Biography is a book or text that tells the life story of a particular person.
BiographyIt is the description of the particular facts of one's life. Contains important data and events, may or may not have photos, or interviews with people close to the character.
The Biography is constructed with
Accurate dataIncluding namesLocationsand Dates of key indispensable events.With this information, we can conclude that biography tells the story of a unique life.
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A student filled two Petri dishes with a clear cornstarch gel, then marked the letter
Answers
Cells grow in order for _____ to grow and reproduce. DNA molecules proteins organisms cycles
Answers
Answer:
i think the answer is organisums
Explanation:
Which type of replication error would be most likely to result in genetic variation among organisms?
A. an error in a gamete cell that is involved in producing offspring
B. an error in a new cell that is part of a developing organism
C. an error in a specialized cell that an organism depends on for survival
D. an error in a cell that is corrected before the cell divides
Answers
Answer: (A) An error in a gamete cell that is involved in producing offspring is most likely to result in genetic variation among organism
Explanation:
Replication Error is also known as DNA replication error. It refers to the mistakes to inaccuracies that occur during the process of DNA replication. This can have various consequences, depending on their location and impact on gene function.
Gamete cells are responsible for the transmission of genetic information from one generation to another. Error in the replication of DNA in sperm or egg can lead to a change in genetic code which can eventually result in genetic variation among organisms.
All the other options given in the question are not a result of replication errors.
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Answer:
A. an error in a gamete cell that is involved in producing offspring
Explanation:
test approved
The All of Us Research Program expects authorized users to abide by the Belmont Principles, including respect for persons, beneficence, and justice. Which of the following scenarios would VIOLATE the Belmont Principles?
Select one:
A. A research project studying cholesterol levels and genetic variants related to obesity in an indigenous group.
B. A research project on heart attack survival that excludes rural populations, because the researcher conducting the study is located at an urban institution.
C. A research project that studies genetic risk factors for breast cancer and stratifies the results by ancestral background.
D. A research project on complications during pregnancy that excludes individuals that were assigned to the male sex at birth from the study population, because these individuals cannot get pregnant.
Answers
A research project on heart attack survival excluded a rural population, as the researcher conducting the study was located in an urban institution. The views would violate the Belmont Principles. Here option B is the correct answer.
The Belmont Principles are ethical principles that guide the conduct of biomedical and behavioral research involving human subjects. The three key principles are respect for persons, beneficence, and justice. Respect for persons refers to treating individuals as autonomous beings and protecting those who are vulnerable.
Beneficence refers to promoting good and avoiding harm to the research participants. Justice refers to the fair distribution of benefits and burdens of research, taking into consideration factors such as race, gender, and socioeconomic status.
The scenario described in option D would violate the Belmont Principle of justice, as it unfairly excludes a specific group from the study population based on their sex assigned at birth.
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Case Study
Jessie is a plant lover and is interested in growing grapes in her backyard. Based on her interest, she brought some seeds from a local store and grew it under all necessarily required conditions. She took good care of plant and allows it to fully develop its roots and stem. The temperature and moisture were also properly controlled during the growth but unfortunately, due to some reasons the grapes grown were not fleshy and had smaller size. It was also found that these grapes were less sweeter than the natural grapes. As she was concerned, she took her plant to the nearby agricultural research laboratory for proper investigation by Dr.Sean. Dr. Sean found 3 problems in this case and explained the cause of those problems to Marie and recommended suitable growth hormones to Marie.Identify the problems in this case and explain the cause of those problems. What could be the possible solution to these problems? Explain your answer in correct manner.
Answers
The problems in this Case Study of Jessie are:
Small size of the grapesLack of fleshiness in the grapesReduced sweetness of the grapesWhy the above problem?The causes of these problems could be due to various factors such as:
Improper pollination - Grapes require proper pollination to develop normally. If there is a lack of pollination or cross-pollination, the grapes may become smaller in size and less fleshy.Lack of proper nutrients - Grapes require proper nutrients such as nitrogen, phosphorus, and potassium to grow and develop properly. If the soil is lacking in these nutrients, the grapes may not develop properly.Lack of sunlight - Grapes require adequate sunlight for proper growth and development. If the plant does not receive enough sunlight, the grapes may become smaller and less sweet.To address these problems, Dr. Sean could recommend the following solutions:
Improve pollination - This could be done by introducing bees or other pollinators to the area. Additionally, planting other flowering plants in the area can also help attract pollinators.Provide proper nutrients - Dr. Sean could recommend adding fertilizers or other nutrients to the soil to ensure that the grapes receive the necessary nutrients.Therefore, In addition to these solutions, Dr. Sean may also recommend the use of growth hormones such as auxins or gibberellins to help stimulate growth and development of the grapes. Overall, proper care and attention, along with the recommended solutions, can help ensure the successful growth and development of the grape plant.
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Based on the table, which trophic pyramid is correct.
Answers
Mutations can be passed to offspring if :
1)the mutation is in the chromosomes.
2 )the mutation is in the RNA of the sex cell passed to the offspring.
3) the mutation is in the DNA of the sex cell passed to the offspring.
Answers
Mutations can be passed to offspring if : 3) mutation is in the DNA of sex cell passed to the offspring.
What do you understand by mutation?
Mutations are changes in genetic material (DNA) that can occur spontaneously or as a result of exposure to environmental factors such as radiation, chemicals, or viruses. If a mutation occurs in somatic (non-reproductive) cell, it will not be passed on to offspring because it does not affect genetic material in the sex cells (sperm or egg).
However, if a mutation occurs in the DNA of a sex cell (a sperm or egg), it can be passed on to the offspring. This is because the genetic material in the sex cell is used to form the genetic material of the offspring.
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All of the following lipid molecules are steroid-based except ______________.
estradiol
trans fats
cholesterol
testosterone
Answers
Answer:
Explanation:
estradiol?
6. During the 1990s, natives of tropical islands began collecting wild turtles to sell in the United States as pets. One of these turtle species, a voracious carnivore that feeds on shrimp and snails, was especially popular. Recently, the U. S. government banned the import of these turtles as pets. However, pet owners have released large numbers of unwanted turtles into warm natural waters of the Gulf of Mexico.
Predict two possible consequences of the release of these turtles into Gulf waters, including the effect on native turtle species. Justify your response.
Answers
Two possible consequences of the release of these turtles into Gulf waters, including the effect on native turtle species are
Competition with native turtle speciesAlteration of ecosystem dynamicsWhat are possible consequences of the release of these turtles into Gulf waters?An invasive turtle species poses direct competition with native turtles within Gulf of Mexico, resulting in possible shrinkage in population sizes for the latter group. Resource scarcity driven primarily by competition over access to nests, habitats and food sources can render natives less effective at these activities compared to their new rivals.
Furthermore, identifying underlying consequences triggered by invasive species' potential alteration of ecosystem dynamics (eg: substantial loss or balanced gain) remains crucial for further consideration. The issue of climate change represents an imminent danger that threatens the well-being of our planet. Swift action from all corners of society is required, including private citizens, companies, and governing bodies across national borders.
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Which statement describes how energy and matter move through an
ecosystem from one trophic level to the next?
O A. About 90% of the energy in a trophic level and about 10% of the
matter move to the next level.
OB. About 40% of the energy in a trophic level and about 90% of the
matter move to the next level.
C. About 10% of the energy in a trophic level moves to the next level,
but the amount of matter that moves to the next level varies.
D. About 90% of the energy in a trophic level moves to the next level,
but the amount of matter that moves to the next level varies.
Answers
The statment describes the energy and matter move through an ecosystem from one trophic level to the next is about 10% of the energy in a trophic level moves to the next level, but the amount of matter that moves to the next level varies.
What do you mean by trophic level?The trophic level of an organism is the position it occupies in a food web. A food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves.
Trophic level is defined as the position of an organism in the food chain and ranges from a value of 1 for primary producers to 5 for marine mammals and humans.
In an ecological pyramid, the various trophic levels are primary producers (at the base), consumers (primary, secondary, tertiary, etc.), and predators (apex). There are essentially two major types of organisms based on their feeding mode.
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Answer:
C
Explanation:
….
Elena is making a grape drink
Answers
“Scientist have long understood how nutrients move from the oceans surface to its depths. As phytoplankton die, they sink and collect on the ocean floor. But if nutrients are continually sinking to the depths of the ocean, how are surface waters replenished with nutrients? Scientist discovered that in certain regions of the ocean, the nutrients-rich deep water was upwelling, or rising to the surface”
which phrase from the paragraph helps you to understand that ocean health involves steady restoration
Answers
Answer:
"As phytoplankton die,they sink and collect on the ocean floor"......."scientist discover that in certain regions of the ocean the nutrients deep water was rising to the surface"
Explanation:
this shows steady restoration of ocean nutrients
As seen that the death of planktons lead to uprise in oceanic nutrients .the cycle just keeps going on and on
its quite self explanatory
Lighting and some bacteria "fix" free nitrogen gas. Which of the following best describes nitrogen fixation
Answers
Answer:
See the answer below
Explanation:
Nitrogen fixation is a process during which free atmospheric molecular nitrogen is converted into biologically usable forms such as ammonia, nitrates, and nitrites. The fixation of nitrogen is naturally carried out in two ways:
1. Direct conversion of molecular nitrogen to nitrates and or ammonia during lightning. The converted compound is washed into the soil by rain and becomes available to plants for uptake.
2. Biological nitrogen fixation: This involves the conversion of nitrogen to ammonium compounds by nitrogen-fixing bacteria that are usually associated with the root nodules of leguminous plants. The compounds thus formed become available for plant use.
Nitrogen can also be artificially fixed into nitrogen-rich fertilizers through various industrial processes. The fertilizers are applied to plants and get into the nitrogen cycle from thereon.
breathing in physical phenomenon. what movement does happen when a person breathe in?
Answers
When a person breathes in, the diaphragm contracts and the lungs expand, creating a vacuum that draws air into the lungs. The air is then circulated through the lungs, where oxygen is absorbed and carbon dioxide is released.
What should know about the body parts that functions when you breath-in?The diaphragm is a vital muscle in inhaling (breath-in) and exhaling, separates the chest cavity from the abdominal cavity.
When the diaphragm contracts, it flattens and moves down. This increases the space in the chest cavity, which causes the lungs to expand. The lungs are elastic, so they expand when the space around them increases.
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help for my son thanks yall
Answers
Answer:
1. Carl Linnaeus
2. Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species
3. Taraxacum Officinale
Which are vital signs?
O temperature, respiratory rate, and weight
O muscle mass, height, and weight
Oheart rate, temperature, and height
temperature, respiratory rate, and heart rate
Answers
The correct combination of vital signs is temperature, respiratory rate, and heart rate.
Vital signs are key measurements that provide important indicators of a person's physiological status and overall health. They help healthcare professionals assess and monitor a patient's condition. The vital signs typically include temperature, respiratory rate, heart rate, and blood pressure. Among the options provided, the correct combination of vital signs is temperature, respiratory rate, and heart rate.
Temperature is a measure of the body's internal heat. It can be measured orally, rectally, or with the help of infrared thermometers. Deviations from the normal range may indicate fever or hypothermia, which can be indicative of underlying health issues.
The respiratory rate refers to the number of breaths a person takes per minute. It provides insight into lung function and overall respiratory health. Abnormal respiratory rates may suggest respiratory distress or underlying pulmonary conditions.
Heart rate, also known as pulse rate, measures the number of times the heart beats per minute. It reflects cardiac activity and can be assessed by feeling the pulse at various points in the body. Deviations from the normal heart rate can indicate cardiovascular problems or other physiological abnormalities.
Weight, muscle mass, and height are not typically considered vital signs. They are important anthropometric measurements used for assessing overall body composition, growth, and nutritional status. While these measurements are relevant in healthcare, they are not classified as vital signs.
In summary, the vital signs include temperature, respiratory rate, and heart rate. Monitoring these parameters allows healthcare professionals to gain valuable insights into a patient's health status, identify potential issues, and make informed decisions regarding treatment and care.
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Although the total distance the impulse travels in the reflex arc is less than 3
metres. the time taken is more than 0.04 seconds. Suggest why the time taken is
more than expected.
Answers
Although the total distance the impulse travels in the reflex arc is less than 3 meters. the time taken is more than 0.04 seconds and the time taken is more than expected because of Synapses or due to gaps between neurons.
Diagram displays the whole reflex arcs from the tip of the finger to the spinal cord and then back out to a closer muscle, possibly in the forearm or the arm. Because the signal doesn't have to go all the way back to the finger, the total distance is less than 3 meters. Considering that it just travels back a portion of the way, less than 3 meters, it takes. Let's see, it takes more than twice as long, therefore the query makes us think about why the delay. Where is the hold-up what is happening there, and the key to this is that the gray matter of the spinal cord doesn't truly contain mylin, despite the fact that we said it- accelerates electrical conduction through the axon in the nerves of the extremities. Mylin has a whitish color, which contributes to the white matter's appearance of whitishness. Thus, the electrical signal becomes slower.
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Carol wants to become a medical assistant. She is wondering why it is necessary to spend the time learning the roots, suffixes, and prefixes of medical terms when it is faster to simply memorize the actual medical terms. She has commented to you that she is studying to be a medical assistant, not an English teacher, and that learning all the word components seems like a waste of time.
Required:
How would you respond?
Answers
I would respond by saying that it is essential for her to learn the roots, suffixes, and prefixes of medical terms as it will help to avoid any form of misinterpretations.
Learning medical terms can tend to be very difficult but it help medical practitioners to effectively communicate to one another in a more efficiently and effectively way .
Learning medical terms enable the Medical record of patients to be more easier.
Learning and remembering medical terms is essential as it help to avoid any error when it comes to patients history, diagnosis and treatment.
Therefore it is essential to learn Medical term in order to avoid wrong diagnosis as well as wrong treatment which may be life threatening.
Inconclusion I would respond by saying that it is necessary for her to learn the roots, suffixes, and prefixes of medical terms as it will help to avoid any form of misinterpretations.
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Can someone PLease help me with these questions?!
Answers
Answer:
I can't read it. It is too small
Explanation:
It is too small for me to read