Answer:
Due to different circumstances.
like marriage which creates increase in population
antigen-presenting cells usually display processed antigens to t cells in the _____________.
Antigen-presenting cells usually display processed antigens to T cells in the LYMPH NODES. These nodes are regions of the body where lymphocytes are activated.
T cells are white blood cells (lymphocytes), which form part of the immune system.
These cells (T cells) develop in the bone marrow.
The lymph nodes are secondary lymphoid organs in which naive T cells that search for specific antigens examine antigen-presenting cells (APCs) for their activation.
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what de-polymerizes microtubules to separate sister chromatids during anaphase?
Mitotic spindles depolymerize microtubules to separate sister chromatids during anaphase.
What are microtubules?Microtubules are present inside the cell. They are present in bundles, and they are together with a group of 9 to 11 microtubules. They are rigid and hollow from the inside. They are part of the exoskeleton.
Regarding how chromosomes travel during anaphase A, there are two primary theories. One is that the chromosomes are pulled along the kinetochore microtubules by motor proteins at the kinetochores using the energy from ATP hydrolysis, which causes the microtubules to depolymerize.
Therefore, the microtubules are separated or depolymerized by spindle fibers, to separate the sister chromatids into lines.
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NO G00GLE PLEASE <3
Define cell
Answer:
cell is a unit that can live on its own and makes up all living organism and the tissue of the body
Explanation:
hope that helps thanks!
Which process causes river gravel to have
rounded edges?
A. abrasion
B. acid rain
C. ice wedging
D. oxidation
The name of the tube which leads from kidney to the urinary bladder is
(a) capillary
(b) urethra
(c) ureter
(d) none of these
Answer:
What is (c) ureter
Explanation:
The ureters are two tubes that drain urine from the kidneys to the bladder. Each ureter is a muscular tube that drains into the bladder.
Answer:
c. ureter.......yhnjmm
please help!! need the answer now
bio
Frederick Griffith made a scientific discovery in 1928. Which best describes
the knowledge about genetics before 1928?
Answer:
Frederick Griffith's discovery on the theory of genetics is credited to his experiment on mice. He subjected them to different strains of pneumonia bacteria. He concluded that there is an unidentified force that leads to the formation of different strains from what the mice were subjected to. This leads to the discovery of DNA, the carrier of traits. Scientist before did not know how the trait is passed on not until Griffith's experiment.
Explanation:
cells that can differentiate into any cell type in an organism are referred to as ______ cells.
Cells that can differentiate into any cell type in an organism are referred to as pluripotent cells.
What is Pluripotent stem cells?
Pluripotent stem cells are cells that have the ability to self-renew by splitting and growing into the three immediate germ cell layers of the earlier embryo.
Hence into all cells of the grown-up body, but not extra-embryonic tissues such as the placenta.
Thus, pluripotent cells are Cells that can differentiate into any cell type in an organism.
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In some cases, people who test positive for genetic testing can receive preventive treatments. For example, people who test positive for the breast cancer genes BRCA1 and BRCA2 can have a preventive mastectomy (breast removal surgery) before they develop the disease. In other cases, no preventive treatments are available, but frequent monitoring can help detect a disease earlier, when it’s more easily treated.
What ethical or professional concerns does a health-care professional need to address when he or she has a patient who wants to prematurely treat a genetic disease? Do you think genetic testing should be part of normal preventive healthcare? Why or why not?
Answer:
yes
Explanation:
The obvious benefit of genetic testing is the chance to better understand of your risk for a certain disease. It can help ease uncertainty. Testing is not perfect, but it can often help you make decisions about your health.
Answer:
When it comes to treating genetic diseases, there are ethical and professional concerns that healthcare professionals need to address. For example, a patient who wants to undergo preventive treatment for a genetic disease may be putting themselves at risk unnecessarily, and a healthcare professional needs to weigh the potential benefits against the risks. Additionally, there may be financial and emotional costs associated with these treatments, and a healthcare professional needs to take these factors into account as well.
As for whether or not genetic testing should be part of normal preventive healthcare, there are arguments on both sides. On the one hand, genetic testing can help identify potential health risks before they become serious problems, allowing patients to take proactive steps to prevent or manage these issues. On the other hand, genetic testing can be expensive and may cause undue stress or anxiety for patients who receive unexpected results. Ultimately, the decision to include genetic testing in preventive healthcare should be made on a case-by-case basis, taking into account the individual patient's needs and circumstances.
Explanation:
In the field of healthcare, it is vital to acknowledge the ethical and professional dilemmas that arise when patients request early intervention for a genetic ailment. While preventive treatments can be effective in certain scenarios, healthcare providers must weigh the potential benefits against the risks and side effects of the treatment. Moreover, healthcare practitioners must consider the psychological impact of a positive genetic test result on their patients.
The question of whether genetic testing should be included in routine preventive healthcare is multifaceted. On one hand, genetic testing can provide valuable insight into a patient's susceptibility to certain diseases, thereby facilitating early detection and intervention. However, genetic testing can also pose ethical concerns regarding privacy and possible discrimination based on genetic data.
In the end, the decision to pursue genetic testing as a means of preventive healthcare should be determined on a case-by-case basis, with careful consideration of the potential risks and benefits, as well as the individual values and beliefs of the patient.
which two pancreatic hormones closely control levels of glucose in the blood
Answer:insulin and glucagon
Explanation:these are hormones produced by the pancreas
I need help writing an essay on pollution can anyone help me! I'll give you the Brainliest answer!! I really need help! It can be any topic of pollutions
like firecrackers, greenhouse affect etc...
Answer:
bok choy
Explanation:
bok choy is causing pollution
brainly plz
Answer:
hehe i just finished answer a question about pollution sooo here you go :) this is just an example and not a full essay I recommend adding more evidence!! (please write in your own words)
Pollution has been a problem for over 2,000 years now. There are many things that are causing pollution. For example firecrackers!
Using firecrackers can be very dangerous not just for us, but the environment as well. Firing crackers can increase the concentration of dust and pollutants in the air. After firing, the fine dust particles settle on the surrounding surfaces which are packed with chemicals like copper, zinc, sodium, and lead. Now you may think oh so it's bad for the air so what? If the air is polluted, trees and plants that give us oxygen can't do their job. If they can't do their job we can't breathe or live. Most of the chemicals that are bad for the air are in firecrackers. These chemicals can last for hours or days on end, exposing you and your neighbors to possible long-term health problems. Then fireworks also have the potential of starting wildfires. About 7,500 to 10,600 trees were burnt down (10% to 14% of trees) in California alone due to wildfires. About 19,500 trees were burnt down just from fireworks.
give example on substitutions for frieworks. I would recommend adding more information about how the chemicals in the firecrackers are dangerous for the air. Since I didn't go into full enough details (if you don't you might get marked down for not having enough details or evidence)
the hazard communication standard is also known as
Answer:
OSHA's Hazard Communication standard, also known as the “Right to Know Law,” is designed to ensure that vital information about chemical hazards and protective measures is passed along to workers who may come in contact with or handle these types of chemicals.
Explanation:
The Hazard Communication Standard (HCS) is also known as the "Right-to-Know" standard because the standard gives workers the right to know about hazardous chemicals.
What is the Hazard Communication Standard?The HCS was created by the Occupational Safety and Health Administration for workers so that they are informed about the hazards of the chemicals they work with and to reduce the incidence of injuries, and the standard requires chemical manufacturers, importers, and employers to communicate information about hazardous chemicals to workers through a variety of means. Employers must inform workers about the identity and hazards of any chemicals they work with, and HCS applies to all hazardous chemicals used in the workplace, including chemicals used in manufacturing and construction.
Hence, the Hazard Communication Standard (HCS) is also known as the "right-to-know" standard.
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can solute particles pass through the membrane of a semipermeable membrane?
Answer:
No.
Explanation:
No, solute molecules are larger in comparison to solvents, so they cannot pass through the semi-permeable membrane.
Answer:
Nope Nope Nope, They cannot pass through it
Explanation:
Osmosis describes the diffusion of the solvent through a semipermeable membrane. The driving force of the solvent shift is the concentration difference of solutes in the solutions separated by the semipermeable membrane. In contrast to solvent, solutes cannot pass this barrier.
what processes do all cells need to do to stay alive?
which skin cancer arises from the youngest epidermal cells
Answer:
Basal cell carcinoma develops from the youngest epidermal cells.
what two main factors would best indicate the quality of life of a country’s population?
Question 2 of 25
Which best describes the scientists who contributed to our current body of
knowledge?
A. Scientists from all areas of the world
B. Scientists from the United States
C. Scientists from the Middle East
D. Scientists from Europe
Answer:
(a) because everyone is dmsrtll
enzymes that recognize specific, short nucleotide sequences in double stranded dna and cleave dna at these specific sites are known as
Answer:
Restriction enzymes, also called restriction endonucleases, recognize a specific sequence of nucleotides in double stranded DNA and cut the DNA at a specific location. They are indispensable to the isolation of genes and the construction of cloned DNA molecules.
please help!! will mark brainliest
Answer:
Cabbage Haploid: 9
Chimpanzee Haploid: 24
Horse Diploid: 64
Kangaroo Diploid: 12
Human Diploid: 46
Which of the following best describes consumer opinion about the use of biotechnology in agriculture? possible answers are,
a. agreeable
b. indifferent
c. skeptical
d. opposed
Answer:
They are skeptical
Explanation:
"There is also the consumer viewpoint to consider: Consumers are increasingly leery of biotechnological techniques and the use of drugs such as antibiotics and growth hormones to increase production because there is a fear that these chemicals are passed on in the meat, milk, or eggs of the animal."
Which of the following organisms are prokaryotes?
a
plants
b
animals
c
bacteria
d
fungi
the vitamin that poses the greatest risk for toxicity is:
The Allegheny mountain region of Virginia was formed between 250 and 280 million years ago. What event most
Likely caused the formation of the Allegheny Mountains?
-))
A)
The collision of two continental plates causing uplift
B)
The deposition of sedimentary rock over the Allegheny region
C)
Continental drift separating two plates to move apart slowly
D)
Geologic uplift of magma forming igneous rock that converted to
mountainous regions
Answer:
A the collision of two continental plates causing uplift or D the uplift of magma forming igneous rock that converted to mountainous regions
Explanation:
Answer:
A
Explanation:
The collision of two continetial plates causing uplift.
What muscle type is located in blood vessels?
a
cardiac muscle
b
striated muscle
c
skeletal muscle
d
smooth muscle
Answer:
d.smooth muscle
Explanation:
Blood vessels contain only smooth muscle cells. These muscle cells reside within the tunica media along with elastic fibers and connective tissue
Answer:
d smooth muscle
Explanation:
Involuntary muscle that is found within the intestines, throat, uterus, and blood vessel walls.
why is it necessary for scientists to use clues from celestial objects to determine the age of our planet?
Answer:
Meteorites, which are the very components of our planets (through the process of accretion), are the remnants of the Solar System's origins. Dating meteorites thus allows us to give a lower age to the Solar System (4,56 billion years old).
Explanation:
What U.S regions would you recommend against placing spotters?
Answer:
I would reccomend the southeast region against placing spotters.
Explanation:
Answer:
I would recommend the northeast and nortwest region of the us against placing spotters.
Explanation:
Over the years, bacteria have become less sensitive to antibiotics used for medicinal and sanitation purposes. This lack of sensitivity is termed antibiotic resistance. How is antibiotic resistance an adaptation?
A.
Antibiotic resistance has caused antibiotics to become more specialized, thus adapting the antibiotics to particular bacteria species.
B.
The trait giving bacteria antibiotic resistance has reproductively isolated groups of bacteria.
C.
The trait giving bacteria antibiotic resistance has become common, giving bacteria with the trait a selective advantage.
D.
Antibiotic resistance makes it more difficult for bacteria to infect hosts, thus is a selective advantage for the host.
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Cattle and other ruminants have evolved to eat grass. What problem has emerged as a result of feeding
corn to cattle instead?
Explanation:
Since corn was very cheap, the farmers raised cattle on corn also believing that the cows would gain more weight, therefore, more product or supply for them to sell. However, this resulted in the cows begin developing a disease called E. Coli, which then leads to social issues.
Answer:
the cattle are more on a risk of health diseases
Explanation:
because corn has nutrients but not enough of each to provide the cattle the nutrients it needs
Classify plants according to causal organisms
Answer:
Plant disease are classified as two types like infectious (biotic) diseases which are caused by eukaryotes, prokaryotes, parasitic higher plants, viruses/viroids, nematodes, and protozoa, and noninfectious. Than their is abiotic diseases, which are caused by different extreme environmental conditions.
Which statement below accurately describes how sweating helps maintain homeostasis?
C and D are INCORRECT, the answer that is correct is either A or B, give me the correct answer and you’ll get BRAINLIEST!!!
Answer:
answer is B.
Explanation: