It is true to say that due to herd immunity, unvaccinated individuals are protected from disease by the collective immunity of the immunized members of a population.
Herd immunity (likewise called group impact, local area resistance, populace invulnerability, or mass invulnerability) is a type of roundabout insurance that actually applies just to infectious illnesses. It happens when an adequate level of a populace has become insusceptible to a disease, whether through the past contaminations or vaccination, consequently decreasing the probability of contamination for people who need immunity.
When the crowd resistance has been reached, illness continuously vanishes from a populace and may also bring about destruction or extremely durable decrease of contaminations to nothing whenever accomplished worldwide. Group invulnerability made by means of immunization has added to the decrease of numerous infections.
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(Complete question) is:
due to herd immunity, unvaccinated individuals are protected from disease by the collective immunity of the immunized members of a population. Select true or false.
PLEASE HELP! huntington’s disease (HD) is prevalent South Africa. Most of the families with HD have Dutch or British ancestry, which suggests they inherited the European HD allele. HD is believed to have first arrived in South Africa more than 300 years ago when Dutch colonists settled into the Western Cape in the 1600s. Thus, the prevalence of HD in South Africa is the result of the founder effect.
Mutations in the HTT gene cause Huntington’s disease. The HTT gene provides instructions for making a protein called huntintin. This protein plays a role in nerve cells in the brain. The HTT mutation that causes HD involves a DNA segment known as a CAG trinucleotide repeat. This segment is made up of a series of three DNA building blocks that appear multiple times in a row. Normally, the CAG segment is repeated 10 to 35 times within the gene. In people with HD, the CAG segment is repeated 36 to more than 120 times. An increase in the size of the CAG segment leads to the production of an abnormally long version of the huntintin protein. This causes the dysfunction and eventual death of neurons in certain areas of the brain. The more repeats, the more serious the disease is.
HD is inherited in an autosomal dominant pattern. There is both an adult onset (after reproductive age) and a juvenile onset pattern. People with adult onset typically have 40 to 50 repeats, while people with the juvenile form tend to have more than 60 repeats. Individuals who have 27 to 35 repeats do not develop HD, but they are at risk of having children who will develop the disorder. As the gene is passed on to offspring, the size of the repeat may lengthen into the range associated with HD.
Predict what will happen to the allele frequencies for Huntington’s disease in South Africa if there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat. Justify your prediction with evidence. Your response should include links to the sources of information gathered.
Answer:
If there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat, the allele frequency for Huntington's disease would decrease in South Africa. HD is caused by too many repeats of the CAG segment causing an abnormally long version of the huntintin protein which becomes deadly. so if the number of repeats is reduced then the person is more likely to not have Huntington's disease. If they do still develop Huntington's disease, it will be more likely to be adult onset and they will still have an opportunity to reproduce offspring which may carry the trait for reduced CAG.
which statement is correct about the rocks in this location
Answer:
They are all made out of a different amount of minerals and for in various ways such as igneous forming from cooled magma
Hope this helps!
what is the role of PCR in DNA typing
Answer:
Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment of DNA. PCR is very precise and can be used to amplify, or copy, a specific DNA target from a mixture of DNA molecules.
Explanation:
Name the 2 types of muscle
Answer:
The two types of skeletal muscle fibers are slow-twitch (type I) and fast-twitch (type II). Slow-twitch muscle fibers support long distance endurance activities like marathon running, while fast-twitch muscle fibers support quick, powerful movements such as sprinting or weightlifting.
Explanation:
hope this helps :)
*fast-twitch muscle
*slow-twitch muscle
*skeletal muscle
(I know you said 2 so I’m sorry for doing 3 but yeah-)
Which is a nonrenewable resource used to heat homes?
O Wind
O Solar energy
O Natural gas
O Wood
On the graphs, the dashed line represents the original population, and the solid line represents the population after natural selection has taken place. A population of snails is going through disruptive selection as it relates to their shell patterns. Which graph represents the population? A B C D
About the question: You will find the graphs in the attached files
Answer:
Graph C is the one that represents the snail population after disruptive selection.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Answer:
C
Explanation:
I took the test
Organisms that live in simular environments, such as the ocean, often have the same adaptations. This is due to what
What makes Kingdom Protista unique compared to the other kingdoms?
Undigested material not absorbed by the large intestine forms what kind of waste?
Hi there!
It forms fecal waste. Fecal waste is made of whatever’s left after the large intestine absorbs the needed nutrients and minerals.
Hope this answers your question!
Which of the following virulence factors would most likely produce an organism that can hide within the host cell,
growing intracellularly?
A)invasins (Type 3 secretion system)
B)capsule
C)IgA protease
D)Opa protein
Creates unique set of DNA.
Does Mitosis or meiosis? Or both
Answer:
Meiosis
Explanation:
Mitosis creates an identical set of daughter cells to the parent cells through asexual reproduction but meiosis creates a set of sex cells that are identical to each other but not to the parent cell and this is through sexual reproduction.
1000000000000000000-100000000000000000000
Answer:
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Answer: ITS OVER 9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Explanation:
Two students compare and contrast the composition of a plant and animals cells. Several observations are made during the investigation. Which observation is incorrect?
Plant and animal cell contain cell membranes.
Plant cell are contained within cell walls, while animal cells are not.
Plant and animal cells contain a nucleus.
Plant cell do not have cytoplasm.
Answer:
I believe the correct answer would be D- Plant cell do not have cytoplasm
Explanation:
Plant and animal cells both have a cytoplasm so D is the incorrect statement.
Two students compare and contrast the composition of a plant and animals cells. Plant cell do not have cytoplasm this observation is incorrect. Therefore, option D is correct.
What is cytoplasm ?The liquid present inside a cell but not in the nucleus of the cell. In a cell, the cytoplasm is where the majority of chemical processes occur.
The gel-like substance that fills a cell is called cytoplasm. It serves as a catalyst for chemical reactions. It offers a foundation for other organelles to function within the cell. A cell's cytoplasm is where all the processes for cell division, growth, and replication take place.
Rudolf von Kölliker coined the phrase in 1863, first using it as a synonym for protoplasm, but over time it has come to refer to the cell's interior and extracellular organelles.
The first phase of cellular respiration, known as glycolysis, as well as mitosis and meiosis are just a few of the numerous cellular processes that take place in the cytoplasm.
Thus, option D is correct.
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which of the following best describes a frameshift mutation. A. When a segment of nitrogen bases gets added into a strand of DNA. B. When a segment of nitrogen bases gets removed from a strand of DNA. C. When a segment of a chromosome gets removed. D. Both A and B.
Why are photosynthetic organisms, such as plants, so important to life on earth
They filter out carbon dioxide, a greenhouse gas, and they produce oxygen as a by-product of photosynthesis. Of course, oxygen is crucial for essential life processes such as cellular respiration.
What are 2 ways yo conserve water
Nora owns a dog. The dog seems to be lethargic, so she takes her pet to a veterinarian. The veterinarian checks the dog’s heart rate and finds it to be 90 beats per minute. He checks the dog’s temperature and finds it to be 70 degrees Fahrenheit. What conclusion can be drawn about the dog’s condition? A. The pulse and temperature are both normal. B. The pulse is normal, but the temperature is below normal. C. The pulse is normal, but the temperature is above normal. D. The pulse is above normal and temperature is below normal. E. The pulse is below normal, but the temperature is above normal.
What did the orbiter do for 5 months once it reached the planet?
Which statement describes an advantage of sexual reproduction over asexual reproduction?
A. Sexual reproduction results in more genetic variation in organisms than asexual reproduction.
O
B. Sexual reproduction requires more time to produce organisms than asexual reproduction.
C. Sexually produced offspring are more dependent on their parents for survival than offspring produced through asexual reproduction.
D. Sexually produced organisms are more dependent on other organisms for reproduction than offspring produced through asexual reproduction.
Answer:
I think the answer is A sexual reproduction results in more time to produce organisms than asexual reproduction.
Answer:
1
Explanation:
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!
Answer: C
Explanation:
Can someone help me with the answers to this picture?
Hello there! I hope I can help!
Here's the page, filled out for you.
Food is useful to organisms because it contains ? Radiant energy, thermal energy, motion energy, chemical energy
Answer:
Chemical energy
Explanation:
Because food passes through chemical reactions. eg. digestion of food is a chemical reaction
You can find the correct mass of a solid by using ________
Answer:
weights
Explanation:
In the Arctic, seals are one of the main sources of food for polar bears. As global warming melts polar ice, fewer seals can be found in the Arctic. As a result, polar bears will —
A. maintain a constant population.
B. decrease in number.
C. migrate to tropical regions.
D. increase in number.
Decrease in numbers, because of their lack of a food source.
Answer:
Decrease in number.
Explanation:
They have less food and they will not be able to survive without food.
Which of the following does the human digestive system break down for the body's cells to use for energy, repair, and growth?
Answer:
pretty sure it's proteins but correct me if I'm wrong
Explanation:
Explain the differences between Earth’s crust, mantle, outer core, and inner core.
Answer:
Earth's crust is the coldest Earth layer. Rock makes up the mantle and crust. The Outer core is liquid and the inner core is solid.
Explanation:
Outer and Inner core are both are made mostly of iron, with a little nickel and some other chemical elements.
11 Pause
Help
In the classification of organisms, which is the correct order of taxonomic groups from broadest to most specific?
A Order ----> Domain -> Genus
B. Class ---> Family -----> Order
Oc. Kingdom ----> Class -----> Phylum
D. Family ----> Genus ----> Species
Sion out
1:05
Answer:
I guess (D)
Explanation:
Linnaeus' hierarchical system of classification includes seven levels called taxa. They are, from largest to smallest, Kingdom, Phylum, Class, Order, Family, Genus, Species.
Please select the word from the list that best fits the definition
Organisms that make their own food.
Answer:
what's the list? and it's probably plants if there's an option for it
Answer:
autotroph
Explanation:
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms.
In what phase does the water molecules have greater freedom of movement.
Laying eggs belong to which category of energy use? Maintenance, waste production, movement, growth and reproduction
Answer:
I HOPE IT WILL HELP U
Explanation:
Majority of the people in the poorest regions of the tropics rely on poultry production as their major source of protein supply. However, poultry production is hindered by the harsh environmental conditions in this regions therefore, reducing the daily supply of protein. It is believed that understanding heat stress in birds by paying detail attention to the sources of heat generation in a poultry house can help manage the heat stress situation in this region. This text reviews the internal climatic conditions of the poultry houses, how the birds respond to them, and their implications for heat management in poultry production. Thus, it provides pertinent information for guidance on parameters for open poultry houses architectural design that ensures optimum climatic conditions that will alleviate heat stress problem in poultry production in hot and humid climate.