Answer:
Killing pathogens and then using them to provide the body with active immunity is called IMMUNIZATION . This is often done in young children.
When the immune system treats otherwise harmless substances, such as pollen, as if they were invaders, a/n ALLERGY can occur.
HIV is a virus that attacks WHITE BLOOD CELLS in the body, weakening the immune system.
Polio used to be fairly common and devastating. Thanks to widespread vaccination against polio, the disease is now considered ABSENT, no longer infecting nearly as many people as it once did.
Arthritis is an example of a/n AUTOIMMUNE DISORDER where part of a person’s body is identified as foreign and attacked by the person’s immune system.
Immunization helps involves the injection of dead pathogens into the bloodstream. This helps in the release of antibodies which helps in protecting the body against further attacks in the future.
Allergy happens as a result of the body system treating and attacking harmless substances.
This is because the ships which brought immigrants into the country had someone who had small pox on board which spread and many got infected and killed due to lack of vaccine and treatment.
Immunization helps people to travel without having to worry about diseases.
Answer:
vaccination
allergic reaction
t-cells
eradicated
autoimmune disease
Europeans had been exposed to the virus that causes smallpox for many generations, allowing them to acquire immunity to the virus. Native Americans were not exposed to smallpox or similar viruses before, so they had no immunity to the virus. In modern times, before traveling abroad, a person often receives vaccinations or other medications to avoid contracting the diseases specific to that region of the world.
Explanation:
What occurs during a decomposition reaction?
New compounds are formed by chemical bonding
The components of several molecules recombine to form new molecules,
A compound partitions into its components,
Answer:
A compound partitions into its components,
Explanation:
Decomposition reaction is a type of chemical reaction occur when compounds partition of breakdown into new components or elements.
An example is the decomposition of hydrogen peroxide. Hydrogen peroxide decomposed to water and oxygen. Another example is the decomposition or breakdown of water into hydrogen and oxygen.
Answer:
A compound partitions into its components
Explanation:
Many functions in the body are controlled by
special compounds. Which statements about
these compounds do you think are true? Check
all that apply.
The body can make all of the compounds it
needs.
The body gets energy from some
compounds.
Some compounds determine physical
characteristics.
DONE
Answer:
The body gets energy from some compounds.Some compounds determine physical characteristics.Answer:
its b and c
Explanation:
i just did it
2 Points
What is the purpose of the Bill of Rights?
O A. To persuade Great Britain to change its policies
O B. To inform the public about the king of England's crimes
O C. To explain the rights of citizens of the United States
O D. To ask people to become citizens of the United States
SUBM
How could a model of meiosis be useful to scientists or to science students?
Answer:
YOUR ANSWER IS
Explanation:
to use a hand on method to develop an understanding of the mechanisim of meiosis using an organisum
Aerobic Respiration takes place in the _________.
A. molecules
B. mitochondrion
C. stomata
Answer:
B
Explanation:
The structure of the mitochondrion is key to the process of aerobic (in the presence of oxygen) cellular respiration, especially the Krebs cycle and electron transport.
how do apple and pinaples grow
Answer:
apples grow on a tree, so do pineapples i think
Explanation:
Why does the DNA need to be extracted from a cell before it can be analyzed?
Answer:
To study the genetic causes of disease and for the development of diagnostics and drugs. And detecting bacteria and viruses in the environment and for determining paternity.
What kind of waves are present during an earthquake?
Answer:
Seismic Waves (S-Waves) and Primary Waves (P-Waves)
Explanation:
Which best describes a virus
Answer:
Viruses are nonliving and infect host cells.
Answer:
A virus is an infectious agent and it only spreads inside living organisms. They can attack anything that is living... animals, plants, people, ecs
Explanation:
science question help?
Answer: The answer for question 8 would be C and the answer for question 6 would also be C.
Explanation: This is because although both the focus and epicenter describe where the earthquake was, the focus refers to the actual area on the fault that is underground and the epicenter refers to above ground.
Based on the genotype of AB blood, what relationship do the A and B genes have?
A is recessive.
B is recessive.
They show incomplete dominance.
They are codominant.
Answer:
They are codominant.
Explanation:
A and B are both expressed , when they are both inherited.
Answer: PLATO answer:
They are codominant
Explanation: The A and B antigens are equally present on the red blood cells, so the relationship of the A and B genes is codominant.
match each part of a cell to its structural features.
1.lager size in plant cells----->
2.salt and water base----->
3.grainy appearance----->
4.permeable and flexible---->
a.cytoplasm
b.cell membrane
c.rough endoplasmic reticulum
d.vacuole
Answer:
1)vacuole covers most part in a plant cell
2)cytoplasm is a salty and water base
3)rough endoplasmic reticulum has a grainy appearance
4)The cell membrane is flexible and semi-permeable
Answer:
)vacuole covers most part in a plant cell
2)cytoplasm is a salty and water base
3)rough endoplasmic reticulum has a grainy appearance
4)The cell membrane is flexible and semi-permeable
Explanation:
What is the end product of the process of respiration? *
A. glucose and oxygen
B. water and carbon dioxide
Answer:
B. carbon dioxide and water
Explanation:
Respiration is a process that animals and plants undergo to create energy to grow, move and sustain life.
The equation for cellular respiration is:
glucose + oxygen —> ATP + carbon dioxide + water
The organisms use glucose from food and oxygen to create ATP (useable energy), carbon dioxide and water.
Therefore, the answer is B. Carbon dioxide and water. Glucose and oxygen are not the end results, they are used to make the end results.
Answer:
B. water and carbon dioxide
Needed ASAP
The point where the lever rocks back and forth is called _______ or ________
Answer: the fulcrum
i don't know the other one
Which government agency worked with the US Army to get samples of the penicillin mold
Answer:
The US Department of Agriculture worked with the US Army to get samples of the penicillin mold
Answer:
akjdcbflaksjdfkshvishzcvkbsidvhishvozshvzshcxv next time answer properly
Explanation:
Describe step by step, with your own words, the process of replication of a double strand of DNA.
Answer:
replication. DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
Explanation:
Only one ______ can be explored in an experiment.
Answer:
Multiple answers
Explanation:
Cells,
E.g. onion cell
Liquids
(Perfumes h how they work)
A mining company is interested in monazite, a mineral substance that forms in igneous rock in Earth’s interior. They think they found a lot of monazite in a sedimentary rock formation at Earth’s surface. Could this really be monazite? If so, how could the monazite have become part of sedimentary rock?
Answer:
Yes, it could have been monazite.
Monazite could have become part of sedimentary rock because it is formed during the metamorphosim of clastic sedimentary rocks. It is a resistant minerals that is found in weathered rocks debris which become concentrated and they are part of the soils and sediments found near weathered rocks.
Explanation:
Monazites are phosphate minerals that are found im small grains as accessory in igneous rocks and sedimentary rocks. It is formed during the crystallization of igneous rock and metamorphosim of clastic sedimentary rocks.
It is a resistant minerals that found in weathered rocks debris and become concentrated in sediments near weathered rocks.
Explain the effect of temperature and pH on enzyme action.
Needs to be done ASAP.
Answer:
enzymes loose their form in both unsuitable ph and temprature.
Explanation:
at very high tempratures enzyme molecules denatures due to high speed movements, at low tempratures enzymes works too slow to be useful enough.
low ph solotions contain lot of H+ and high ph solutions have few H+ , and the number of these H+ ions have polar effects on enzymes. some Enzymes like pepsin works perfect in acidic environment ( ph=2) while others might work at high ph or average ph( like Trypsin works well at ph=7).
Question 9
Which of the following can be broken down during cellular respiration to make ATP?
a. proteins
b. lipids
c. saccharides
d. a and b
e. a, b, and c
Answer:
lipids (i think) :))
Explanation:
What might happen to the organisms in the food web below if the number of phytoplankton and vegetation drastically decreased?
Answer:
i don't now exactly how to answer this when theres' no food chart however as the vegetation and phytoplankton drastically decrease everything decreases. This is because the producer the bottom of the food chain also known as vegetation is the prime source of energy in every food chain. when there's scarce amounts of producers a domino affect will occur. There will be no food for the first consumers to eat leading their population to decrease and the animals that feed off them will decrease then the animals that feed of them will decrease and so on until the organisms of the food web die out.
Polar bears feed on seals. So, polar bears and seals share a . Climate change has caused ice caps to melt in colder regions where polar bears live. This change has caused them to hunt less. This situation will lead to .
Polar bears and seals are animals that share a prey-predator relationship, whereas climate change causes less biomass at the quaternary level.
What is the prey-predator relationship?The prey-predator relationship is s type of ecological association where one species is hunted (the prey) by another species.
Moreover, climate change is well known to produce global warming and melting ice on the Earth's poles.
In conclusion, polar bears and seals are animals that share a prey-predator relationship, whereas climate change causes less biomass at the quaternary level.
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Two black-fur mice are bred, and have the litter shown below. What is the most likely explanation for the presence of the white-fur offspring?
Answer:
an alike gene I think idk
Answer:
Both of the parents are heterozygous.
Explanation:
Which DNA fingering technique examines the length variation of DNA repeat sequences in human DNA?
A) VNTRs (variable tandem repeats)
B) PCR (polymerase chain reaction) analysis
C) STRs (short tandem repeats)
D mtDNA (mitochondrial DNA) analysis
Answer: The question is incorrect, below is the correct question
Which DNA FINGERPRINTING technique examines the length variation of DNA repeat sequences in human DNA?
The correct answer to the question is option D
mtDNA (mitochondrial DNA) analysis
Explanation: DNA fingerprinting technique is a laboratory technique used by geneticists.it entails placing of DNA samples into wells,these wells are then placed in a slab of gels and thereafter passing a current through the gel.This is done to ascertain the uniqueness of a DNA pattern and thus be able to differentiate people of same species.
There are several methods of DNA fingerprinting as outlined in the options given with the question.
In mtDNA (mitochondrial DNA) analysis,The Genetic samples are extracted from the biological materials, these samples extracted are total genomic DNA like hair,tooth or samples of blood, Several copies of these genomic DNA are then produced using a polymerase chain reaction and flanking primers inorder to examines the length variation of DNA repeat sequences in human DNA.
Answer:
D. Mitochondrial DNA Analysis
Explanation:
Edg 2021
Computers would also help kids apply for schools and jobs.
Which of the following is relevant evidence supporting the
claim?
Students who want to go to Brentview
Arts must fill out an online application.
Our parents say Brentview Arts
Magnet School is one of the best
schools in the neighborhood.
Many of us plan to look for part-time
jobs in the summer,
The school also asks for
recommendations, but these can be
sent in by regular mail.
Answer:
students who want to go to Brentview Arts must fill out an online application
Explanation:
if the only way to get into Brentview Arts is by doing an application online, then computers would help those students. They can't send it through the mail so the computer would be their only resource
The body needs to use anaerobic respiration during ___________
Answer:
hard exercise
Explanation:
The body needs to use anaerobic respiration during hard exercise.
Anaerobic respiration transfers energy from glucose to cells. It occurs when oxygen is not present. It transfers large amounts of energy quickly.Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of
a scientific theory? Do you think it should be a scientific law? Explain your response.
Yes. Scientific laws are established statements, based on repeated experiments or observation of a particular scenario or natural events while a science theory are events or explanation of the natural world that can be repeatedly tested and verified using scientific method. That is, for it to be a Scientific Theory we must be able to test and verify it using scientific methods and for it to be a Scientific Law it must have been tested and verified repeatedly using scientific methods. Cell theory is a tested and verified experiment
How are rna and dna used to make proteins
Answer:
During the process of transcription, the information stored in a gene's DNA is transferred to a similar molecule called RNA (ribonucleic acid) in the cell nucleus. ... A type of RNA called transfer RNA (tRNA) assembles the protein, one amino acid at a time.
hope it helps : )
Explanation:
As newts' poison became more toxic, the garter snake's resistance to it became more efficient. This is an example of
convergent evolution
coevolution
divergent evolution
adaptive radiation
Answer:
coevolution
Explanation:
As newts' poison became more toxic, the garter snake's resistance to it became more efficient. This is an example of coevolution.
which statement best describes how genes are able to produce a organism's traits? A. Genes have versions called alleles, which produce different traits. B. Genes exit the nucleus and go to ribosomes, where proteins form. C. Genes contain codes that specify proteins, which produce traits. D. Genes unwind and become templates, where amino acids can line up.
Answer:
C
Explanation:
The genes contain codes that specify proteins, which produce traits.
Genes contain codes that specify proteins, which produce traits best describes how genes are able to produce a organism's traits.
What is a gene?Genes are segments of DNA that contain the instructions for making proteins, which are complex molecules that perform a wide variety of functions in the body. Proteins are made up of chains of amino acids, and the specific sequence of these amino acids is determined by the code contained in a gene. Different versions of a gene, called alleles, can produce different sequences of amino acids and therefore different proteins, which can lead to different traits in an organism.
Genes are found in the nucleus of cells, and the process of making proteins begins when a gene is transcribed into a molecule called RNA. This RNA molecule exits the nucleus and goes to ribosomes, which are the site of protein synthesis. At the ribosomes, the RNA molecule serves as a template for the synthesis of a protein, with the specific sequence of amino acids being determined by the code contained in the RNA molecule. The protein is then folded into its characteristic shape, which allows it to perform its specific function in the body.
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