There are two large endocrine glands located in the neck and upper chest region. What is their identity, and what do they regulate?
A Thymus: immune system; thyroid: growth and development
B Thyroid: immune system; thymus: growth and development
C Pancreas: blood glucose levels; adrenal: emergency response
D Adrenal: emergency response; pancreas: blood glucose levels
Answers
Answer:
A Thymus: immune system; thyroid: growth and development
Thymus comes under immune system it encompasses thyroid which is responsible for growth and development. The correct option is A.
What is thymus?A tiny gland in the lymphatic system called the thymus produces and develops T-cells, specialized white blood cells.
Your immune system fights sickness and infection with the aid of the T-cells. Before birth, your thymus gland produces the majority of your T-cells.
At the base of the neck, just below the Adam's apple, is the thyroid, a tiny, butterfly-shaped gland.
Thyroxine (T-4) and triiodothyronine are the two primary hormones produced by the thyroid gland (T-3).
Every cell in the body is influenced by these hormones. They support how quickly the body consumes carbohydrates and lipids.
Thymus is a part of the immune system and contains the thyroid, which is in charge of growth and development.
Thus, the correct option is A.
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Related Questions
Why human don't lay from the egg?
Answers
Answer: because that is not how were made.
Explanation:
A town in the Finger Lakes region wants to promote solutions to reduce acidification. In order to help the town in their efforts, what solution should they promote? Explain why
decreased motor boat traffic on the lake
increased introduction of zebra mussels
decreased use of CFCs
protect the fish species living in the lake
Answers
Answer:
Explanation: The town in the Finger Lakes region should promote the solution of decreased motor boat traffic on the lake. Acidification is mainly caused by the high levels of carbon dioxide that enter the water from the atmosphere, and motor boat traffic can worsen this by increasing the amount of carbon dioxide in the air. Reducing motor boat traffic on the lake would help to decrease the amount of carbon dioxide entering the water, and thus reduce acidification. The other solutions listed (increased introduction of zebra mussels, decreased use of CFCs, and protecting fish species) may have other environmental benefits, but they are not directly related to reducing acidification.
Assuming that a person going to community college can't afford to go to a four-year college is an example of a) a generalization. b) discrimination. O c) a stereotype. O d) tolerance.
Answers
Answer: stereotype
Explanation: i am not sure, but my intutions says that.
Benjamin invests $400 in a savings account that earns 5% interest each year.
Which expression gives the balance in the account after 3 years?
Answers
Answer: $460
Explanation:
To solve the question, we need to calculate the interest generated firstly and this will be:
= Principal × Rate × Time
= $400 × 5% × 3
= $400 × 0.05 × 3
= $60
The balance in the account after 3 years will be:
= Principal + Interest
= $400 + $60
= $460
In the experimental labster simulation, kidney cells were treated with a chemical for different amounts of time. The number of dead cells were counted to determine the effects of the chemical. The cells treated with dye will look pink under the microscope if the treatment caused damage. A group of Cells was treated with the dye only and none of the cells were pink under the microscope. After treating the same cells with the chemical and then the dyel, half of the cells looked pink under the microscope.
If a negative control was set up for this experiment, what would the cells look like in this control sample?
A.
similar to the cells treated with the chemical - 50% dead
B.
similar to the cells just treated with the dye - 0% dead
C.
100% would be pink
D.
any of the above options
Answers
Answer:
B. similar to the cells just treated with the dye - 0% dead
Explanation:
According to this question, an experiment was set up in which kidney cells were treated with a chemical for different amounts of time. Hence, the independent/manipulable variable is the CHEMICAL.
Based on the observation of the group of cells, a cell that has been damaged by the chemical will appear pink when treated with dye while a cell treated with only due but no chemical will not appear pink.
A NEGATIVE CONTROL is the group in an experiment that is not treated with the independent variable i.e. doesn't receive experimental treatment. Since the independent variable in this experiment is the CHEMICAL, the negative control will be the group that doesn't receive the chemical treatment. Hence, the negative control is similar to the cells just treated with the dye - 0% dead
pathogens must be blood-borne in order to initiate sepsis. group of answer choices true false
Answers
It is false that pathogens must be blood-borne in order to initiate sepsis.
what are pathogens ?
A pathogen can simply mean an organism that causes disease or a living agent causing disease or illness to its host, such a case the organism or infectious particle are capable of producing a disease in another organism.
Examples of pathogens
some of the examples of Pathogens include:
viruses, bacteria, fungi, and parasiteswhat are blood-borne?
bloodborne can be referred to as any disease or any of a group of diseases caused by pathogens such as viruses or bacteria that can be carried in and spread through contact with blood.
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Sepsis or septisemia is the severe organism reaction to blood infection by bacteria cells. False. Pathogens must not be blood-borne in order to initiate sepsis.
What is sepsis?
Sepsis, also known as septicemia, is a severe reaction or response of the organism to the blood infection by pathogen agents, like bacteria cells.
Sepsis might provoke a decrease in blood pressure, limiting its circulation in the body, and affecting different organs and structures.
It is mostly caused by external bacteria that infect the organism and is usually worse in people with a weak immune system that can not fight infections.
The statement is false. Pathogens DO NOT NEED to be blood-borne in order to initiate sepsis.
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What is a cell called when it presents a protein on its membrane that is specific for a hormone?
a. Depolarized cell
b. Target cell
c. Haploid cell
d. Effector cell
e. Second messenger cell
Answers
Answer:
The correct answer is B) Target Cell
Explanation:
When a cell becomes programmed to respond to a particular hormone, it is called a target cell. Usually, for this to happen, it will maintain a functional receptor for the hormone in question.
Target cells are found in animal circulatory systems.
Cheers
Please help !!!!!!!!!!!
Answers
Answer:
Effect: They erode and shape the rocks underneath the glacier, as well as deposit sediment.
Features of the Earth
Image result for features of earth's surface:
Mountain ranges, crust, mantle, tectonic plates, and mid-ocean ridges. I AM NOT SURE ON THE SECOND PART I WAS LISTING FEATURES I SEE. so do with the information as you will
Explanation:
When glaciers move over areas of land they erode and degrade the land underneath depositing sediment and changing the shape of the landscape. You might want not want to take my answer to the second question super seriously as i have read your lesson.
\The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution.
A 2-column table labeled Paramecium Contractile Vacuole Contractions has 5 rows. The first column is labeled salt concentration outside paramecium with entries very high, high, medium, low, very low. The second column is labeled contractions per minute with entries 2, 8, 15, 22, 30.
Which statement correctly describes the bars on a bar graph representing the data?
The graph has five bars of equal height.
The bars range from tallest for very high concentration to shortest for very low concentration.
The bar for very low concentration is twice the height of the bar for medium concentration.
The bar for very high concentration is five times the height of the bar for very low concentration.
Answers
The table Paramecium Contractile Vacuole Contractions which correctly describes the bars on a bar graph representing the data is the bars range from tallest for very high concentration to shortest for very low concentration.
The data in the table records the number of contractions per minute of a paramecium's contractile vacuole in response to different salt concentrations in the surrounding environment.
A bar graph representing this data would have five bars, one for each level of salt concentration.
The bars would vary in height according to the number of contractions per minute, with the tallest bar representing the highest salt concentration and the shortest bar representing the lowest salt concentration.
Therefore, the correct statement describing the bars on the bar graph would be: "The bars range from tallest for very high concentration to shortest for very low concentration."
This statement accurately describes how the height of the bars would vary based on the data in the table.
The other statements do not accurately represent the data or the trends observed in the table.
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A feedback system controls the menstrual cycle. How does the female body
respond to a drop in luteinizing hormone?
OA. By increasing the progesterone level
O B. By preparing for the next cycle
O C. By increasing the testosterone level
OD. By shedding the uterine lining
Answers
The female body responds to a drop in the luteinizing hormone B. By preparing for the next cycle.
The luteinizing hormone remains at lower levels most of the time during the menstrual cycle. It reaches the highest levels around the 14th day of the menstrual cycle. It helps in the formation of follicles with the help of estrogen.An increase in LH triggers the increase of progesterone level and helps in preparing of corpus luteum.After the formation of the corpus luteum and the release of follicles, the level of LH drops. When the level of LH further decreases, this triggers the shedding of the uterine lining as no pregnancy takes place.Thus, the low levels of LH are an indication of
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Maria slips on the wet floor of the school hallway and falls flat, the back of her head hitting the floor. Which bones are a risk of injury from this impact?
Answers
Answer:
All of them, I tripped her and am now kicking Maria.
Explanation:
yes
What are the organization levels in living beings and how these levels are related with homeostasis?
Answers
Answer:
The human machine is organized at different levels, starting with the cell and ending with the entire organism
The human body
Question 1 of 10
Consider the overall shape of these cells
Which geometric shape is the best model for these cells?
A Asphere with a large diameter
B A cube
c Afat rounds
D A rectangular solid
Answers
The only people with Rh negative blood are people who have inherited two recessive alleles for this trait. But some people who are colorblind have inherited only one recessive allele for this trait. Explain why these traits are different in terms of how many recessive alleles are needed to produce the recessive phenotype. Hint: Think about the above problem and sex chromosomes versus autosomes.
Answers
The difference is due to the inheritance pattern. Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one.
What are the blood type and Color-blindness inheritance patterns?
⇒ Blood type is coded by a diallelic Rh gene that expresses complete dominance.
The allele Rh+ dominates over the allele Rh-.
Genotyopes and Phenotypes are as follows,
Individuals Rh+Rh+ express the possitive phenotypeIndividuals Rh+Rh- express the possitive phenotype Individuals Rh-Rh- express the negative phenotype.To express Rh-, a person must inherit two recessive alleles from their parents.
⇒ Color-blindness is an X-linked condition coded by a recessive allele.
As most sex-linked genes, it is transmitted together with the X chromosome.
The phenotype depends on the number of recessive alleles and the sex of the person.
Genotyopes and Phenotypes are as follows,
X⁺X⁺ women have normal sight.X⁻X⁻ women are completely color-blinded X⁺X⁻ women are partially color-blinded. X⁺Y Men are not color-blinded X⁻Y Men are color blinded.In this case, only one recessive allele is enough to express the affection.
In conclusion, Blood type needs two recessive alleles to express Rh-. Color-blindness needs only one recessive allele.
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Create a flow chart to represent
and describe the process of urine
formation in the kidneys
Answers
Start -> Filtration -> Reabsorption -> Secretion -> Concentration -> Urine
Description of the process:
1. Filtration: The process of urine formation begins with the filtration of blood in the glomerulus, a network of small blood vessels called capillaries. The glomerulus filters blood by forcing fluids and small molecules through the walls of the capillaries and into the Bowman's capsule.
2. Reabsorption: The filtered fluid then moves through the proximal tubule of the nephron, where essential substances such as glucose, amino acids, and salts are reabsorbed back into the bloodstream.
3. Secretion: In the next stage, the filtrate passes through the loop of Henle, where more water and electrolytes are reabsorbed. This is followed by the distal tubule where hydrogen ions, potassium ions, and some drugs are secreted into the filtrate.
4. Concentration: In the final stage, the filtrate reaches the collecting duct, where water is reabsorbed, and the urine is concentrated. The concentration of urine is controlled by the hormone ADH (antidiuretic hormone), which regulates the amount of water that is reabsorbed into the bloodstream.
5. Urine: Once the urine is formed, it is transported from the kidneys to the bladder, where it is stored until it is expelled from the body during urination.
End of the process.
The results in the table above show the percentage change in mass of the potato cylinders.
explain why the percentage change results are positive and negative.
Answers
The percentage change in the mass of the potato cylinders is both positive and negative because the concentrations of the sugar solutions differ.
OsmosisIn biology, osmosis refers to the movement of water molecules from regions of low solute concentrations or high water potentials to regions of high solute concentration or low water potential through a semi-permeable membrane.
Solutions with high solute concentrations as compared to the sap of cells are said to be hypertonic to the cells. The cells, will, therefore, lose water to hypertonic solutions.
Solutions with the same solute concentrations as cells are said to be isotonic to the cells. There is no net movement of water between such solutions and the cells.
Solutions with lower solute concentrations as compared to cells are said to be hypotonic to the cells. Such solutions lose water to the sap of the cells.
This is exactly what happened in the case of the solutions and the potato cylinders. Hypertonic sugar solutions will cause the potato cylinders to lose water and weigh less than their initial weights. This will return a negative percentage change in weight.
Hypotonic solutions, on the other hand, will cause the potato cylinders to gain water and weight more than their initial weights. This will return a positive percentage change in weight.
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Site-specific recombination is catalysed by:
DNA polymerase
Integrases
Gyrases
Topoisomerases
Answers
Answer: B
Explanation:
Site-specific recombination is catalyzed by integrases.
which one of the followiwhich one of the following statement is accuarate
ng statement is accuarate
Answers
Answer:
the particle's mass will increase as it approaches the speed of light
Explanation:
the statement which is accurate for the object approaching the speed of light
The mass of object as observed by a moving observer is given by m=1−(cv)2m0.where m0 is the rest mass of the object.Hence, as speed approaches the speed of light, that is, as v→c, m→∞
speed of light, the rate at which light waves move through various substances. Specifically, the speed of light in a vacuum is presently calculated to be 299,792,458 metres per second.
One of nature's basic constants is the speed of light. Its importance extends far beyond its use in characterising an aspect of electromagnetic waves. It acts as the universe's only limiting velocity, setting an upper limit on both the speed of all material particles and the speed at which signals can travel. The speed of light (c) acts as a constant of proportionality in the well-known relativity equation, E = mc2, connecting the heretofore dissimilar ideas of mass (m) and energy (E) (E).
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What will happen if each of the following organelles is severely damaged? Give four
points in each.
I)Nucleus
(ii) Lysosome
(iii) Vacuole
(iv) Endoplasmic reticulum.
Answers
Answer:
Disfunction of the cell and also transfer of materials wont work properly.
Explanation:
If the nucleas is severely damaged,activities of the cell won't work properly since the nucleas controlls activities of the cell.
If the lysosome is damaged,worn out tissues from the cell won't get rid.
If the vacuile is damaged osmotic pressure of the cell will be interfered with.
If endoplasmic reticulums are damaged,transport of proteins and lipids won't take place.
What is the correct clases for this drugs
Compazine
heelp me please
Answers
Answer:
Compazine belongs to a class of drugs called Antiemetic Agents; Antipsychotics, Phenothiazine.
Rapid cell proliferation can result from:____.
a. a cell ignoring a negative growth regulator.
b. contact inhibition.
c. a mutation inhibiting the action of a positive growth regulator.
d. the surgical removal of a benign polyp.
Answers
Answer:
a. a cell ignoring a negative growth regulator.
Explanation:
Hope it helps :)
Question 24 of 30
Which of the following best represents a simple food chain?
A. Producer → primary consumer → secondary consumer
B. Primary consumer → secondary consumer → producer
C. Producer → secondary consumer → primary consumer
D. Secondary consumer primary consumer → producer
SUBMit
Answers
"Producer → primary consumer → secondary consumer" best represents a simple food chain. Therefore, option A is correct.
What is a food chain?A food chain is a network of links in a food web that runs in a straight line from producer organisms to apex predators, detritivores, or decomposer species.
A food chain also demonstrates how organisms are connected to one another by the foods they consume. A food chain's levels correspond to several trophic levels.
"Producer → primary consumer → secondary consumer" best represents a simple food chain. Therefore, option A is correct.
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For the Haber process, N2 + 3H2→2NH3, what theoretical volume of ammonia (NH3) should be produced if we start with 5.0L of N2 if STP?
44.8 L
22.4 L
10.0 L
29.9 L
Answers
For the Haber process, N2 + 3H2→2NH3,10.0 L is the theoretical volume of ammonia (NH3) should be produced if we start with 5.0L of N2 if STP. Therefore, option C is correct.
What is the Haber process ?In the Haber process, “the atmospheric nitrogen (N2) is changed to ammonia (NH3) by reacting it with hydrogen (H₂)”. A metal catalyst is used and high temperatures and pressures are maintained.
The balanced equation for the reaction is as follows:
N₂(g) + 3H₂(g) ⇾ 2NH₃(g)
From the balanced equation,
1 L of N₂ reacted to produce 2 L of NH₃ at STP
From the above information, we can obtain the volume of ammonia, NH₃ produced from 5.0 L of N₂ at STP. Details below:
From the balanced equation,
1 L of N₂ reacted to produce 2 L of NH₃ at STP
Then,
5.0 L of N₂ will react to produce = 5.0 × 2
= 10.0 L of NH₃ at STP
Thus, option C is correct
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Explain why (a) inactivation of the O2 or O3 sequence of the lac operon causes only a twofold loss in repression, and (b) inactivation of both O2 and O3 reduces repression 70-fold.
The following passage wasn't included with the question, but it might be helpful: "The lac operon actually contains three operator sequences to which lac repressor binds with high affinity, known as O1, O2, and O3. O1, the primary repressor-binding site, was identified through its protection by lac repressor from nuclease digestion. The 26-bp protected sequence lies within a nearly twofold symmetrical sequence of 35 bp. O1 overlaps the transcription start site of the lacZ gene. The operator sequence O2 is centered 401 bp downstream, fully within the lacZ gene, and O3 is centered 93 bp upstream.
Answers
Answer:
The lac operon has been found to contain three operator sequences, O1 being the main and O2 and O3 the secondary sequences. The lac repressor has been found to bind to the operator region and inhibit transcription. The researchers have found the arrangement of operators roughly as: O3, followed by the promoter region, O1, and O2.
Researchers have found that the tetrameric lac repressor binds to two operators simultaneously (O1 and O2/O3) forming a stable DNA loop that shows strong repression. Such a loop has been found to form in presence of either O2 or O3 but not when both O2 and O3 are absent. The absence of such a DNA loop has been suggested to lead to weak suppression.
what must natural sciences educators pay attention to if they were to transform child science into true scientific understanding
Answers
b. Is the same color fur an adaptation in all environments? yes or no
Answers
Answer:
Fur length and color are examples of adaptation to an environment
Explanation:
5. What benefits does fitness water have for an athlete?
Answers
Answer:
Water fitness* adds more resistance to your movement which requires more energy to do things
Explanation:
I would say that fitness water is beneficial because it hydrates the body. Also, when you're hot it can cool you down.
which measurement is likely the least accurate? Explain.
What observations and/or patterns do you see in the data?
Answers
Based on the information, we can infer that the measurement that could be the least probable is caudal peduncie depth strandard error. Also, the trend is for lake values to be higher than river values.
What difference do we see in the values in the table?To identify the values we must analyze the table and identify they are not the trends. In this case we can infer that the tendency is for the values of the lake to be higher than the values of the river because all the values of the lake are higher than those of the river.
On the other hand, we can infer that the value that could be the least successful is the peduncie depth strandard error because it shows equal values. However, if we take into account the previous values, it should not be the same in both cases.
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A scientist who has isolated the green fluorescent protein (GFP) gene from a sample of jellyfish DNA would use which technology to make GFP protein from the GFP gene most effectively?
Gel electrophoresis
Polymerase chain reaction
Restriction enzyme digestion
Gene cloning
Answers
Answer:
Polymerase chain reaction
Explanation:
Please let me know if this is correct because I worked hard on it! Also, have a great day and PLEASE MARK BRAINLIEST!
Gene Cloning is referred to as producing similar or identical copies of the same recombinant molecule. So, the correct option is (D).
What is Gene Cloning?Gene cloning is defined as the process in which the gene of interest is copied from the extracted DNA and inserted into the host to replicate the same.
The steps of gene cloning are:
Isolation or extraction of genes of interest using restriction enzymes.Selection of a suitable vector or plasmid carrying the gene of interest.The DNA fragment is then introduced into the desired vector.Transformation of donor DNA into a suitable host cell.The final step is to isolate colonies of transformed cells.Thus, Gene Cloning is referred to as producing similar or identical copies of the same recombinant molecule. So, the correct option is (D).
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Is the author of the article suggesting that vaping is an effective way to stop smoking cigarettes? Which selection from the article BEST supports your answer?
•Yes. "Ashley Merianos, an associate professor at the University of Cincinnati, Ohio, said students may not know that they contain harmful substances such as nicotine, lead and cancer-causing chemicals. "
•No. "However, educating today's teens on the harmful effects of vaping may be more complicated than that of regular cigarettes and chewing tobacco."
•
No. "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months. "
Answers
Selection that Best supports the article is, No. "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months." Option c is correct.
The article does not suggest that vaping is an effective way to stop smoking cigarettes. In fact, the selection that best supports this answer is "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months."
This statement suggests that vaping may actually lead to cigarette smoking, which is not a desirable outcome. The article also highlights concerns about the harmful substances found in vaping products, including nicotine, lead, and cancer-causing chemicals. Overall, the article presents vaping as a concerning trend among teenagers that warrants further investigation and education about the potential risks and harmful effects. Option c is correct.
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