The secondary response can be artificially prompted by injecting a recipient with exogenous antibodies.
How can a secondary immune response be artificially induced?The response can be induced in differnt ways such as through the naturally by transplacental transfer of maternal antibodies in a case whereby one is dealing with a developing fetus,.
It should be noted thta this can be done by injecting a recipient with exogenous antibodies hoever the secondary immune response can be seen as the important features of immune systems this is due to the fact that the the immune system can eliminate the antigen especially in the case of primary invasion.
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questions on phylum protozoa
Trans-fatty acids are:
Select one:
A.
essential
B.
beneficial to health
C.
naturally found in foods
D.
created by an oxidation reaction
Answer:A
Explanation: It is essential
Question How does an enzyme help a reaction to occur in the cell? Responses It gives the reaction more energy. It gives the reaction more energy., It increases the amount of energy needed. It increases the amount of energy needed., It lowers the energy needed for the reaction to occur. It lowers the energy needed for the reaction to occur., It takes excess energy away from the reaction.
Answer:
Enzymes lower the activation energy of a reaction - that is the required amount of energy needed for a reaction to occur. They do this by binding to a substrate and holding it in a way that allows the reaction to happen more efficiently.
Explanation:
Which option is correct
There is a single round of DNA replication is NOT a reason that meiosis produces haploid cells (option A).
What are haploid cells?Produced via the complex process of meiosis, haploid cells differ from their diploid cell counterparts in that they contain just one set as opposed to two sets of chromosomes; for humans, this means that haploids hold just 23 chromosonal pairs.
During meiosis, two rounds of cell division take place after DNA has been replicated resulting in four unique but genetically diverse haploidal daughter cells.
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HELP! PLEASE! WILL GET 25 POINTS!
1) Research each type of water pollution listed below. Then describe its origin, its effect on one organism in the polluted water, and its effect on humans
a) silt suspended in the water surrounding a coral reef near the coast of a small island community in the Caribbean Sea
Origin:
Effect on one organism: Effect on humans:
b) mercury in the water of a large lake that is popular for fishing Origin:
Effect on one organism: Effect on humans:
Silt suspended in the water surrounding a coral reef can cause coral bleaching and Mercury in water can lead to brain and nerve damage in fish and humans.
The silt in the water can come from a variety of sources such as construction activities, agricultural run-off, or erosion caused by natural events like storms. The loss of coral reefs can have a significant impact on humans, particularly on the fishing and tourism industries.
Mercury in the water of a large lake that is popular for fishing, Mercury can enter water bodies through industrial waste, mining activities, or atmospheric deposition. In this case, it could be due to the discharge of mercury-containing waste from industries, or from coal-fired power plants in the region, Fish living in the lake can absorb the mercury from the water which can damage their brains.
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The complete question is:
Research each type of water pollution listed below. Then describe its origin, its effect on one organism in the polluted water, and its effect on humans silt suspended in the water surrounding a coral reef near the coast of a small island community in the Caribbean SeaOrigin: Effect on one organism: Effect on humans: mercury in the water of a large lake that is popular for fishing Origin: Effect on one organism: Effect on humans:
Assume there are 500 units of energy in the producer level of the energy pyramid. How many units of energy are available at the first level consumer store? How many units will be at the 2nd level consumers store?
Only about 10% of the energy from each trophic level is transferred to the following level in an energy pyramid. This implies that only 10%, or 50 units, of the energy accessible at the first level consumer level, if there are 500 units of energy at the producer level.
Similar to this, only 10%, or 5 units, of the 50 units of energy at the first level consumer level would be accessible at the second level consumer level.
Therefore, the amount of energy at each trophic level would be:
Producer level: 500 units of energyFirst level consumer: 50 units of energySecond level consumer: 5 units of energyLearn more about trophic level, here:
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Given a total atmospheric pressure of 645 mmHg (high elevation): What is the partial pressure of oxygen in the alveoli (in mmHg )? Oxygen: 13.7%
help please! we have to look at the pyramid and create a claim about how we think energy will change and if there is the same amount of energy at each level
Answer:
As you move up the pyramid, through the trophic levels to primary, secondary and tertiary consumers, the amount of energy decreases and the levels become smaller. While energy can not be created or destroyed is it released as heat within each level. Approximately only 10% of energy is passed from one level to the next.
Explanation:
What is an autograph?
The definition of an autograph is the signature of a person written with his own hand, especially one written by someone well-known.
Answer: a signature, especially that of a celebrity written as a memento for an admirer
Explanation:
1. What is the position of the atomic number and its chemical properties based on that position?
The quantity of protons in the nucleus of an element's atom is known as the element's atomic number. In the periodic table, the element's atomic number is normally listed above or to the left of the chemical symbol.
The quantity and configuration of electrons in an element's atoms play a significant role in determining its chemical characteristics. The location of an element in the periodic table is closely tied to its chemical characteristics because the number of protons in the nucleus of an atom defines its atomic number, and each element has a different number of protons.
Because of their similar electronic configurations, elements in the same group (vertical column) of the periodic table frequently have similar chemical properties, whereas elements in other groups frequently have different chemical properties as a result of their varied electronic configurations.
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Which of the following expressions is written in scientific notation? O 12.10-3 O 10.103 0.3.10 4 02.10 -5 Mittramm
The expression written in scientific notation among the given options is 2.10^-5. In scientific notation, a number is represented as a product of a number between 1 and 10 (including 1) and a power of 10. In this case, 2 falls within the range of 1 to 10, and it is multiplied by 10 raised to the power of -5, which is a proper format for scientific notation.
Describe the roles of B and T cells in providing immunity for a specific viral disease
B and T lymphocytes protect against viruses.
B cells produce antibodies that neutralise virus particles. B cells triggered by viruses create high amounts of virus-specific antibodies. These antibodies neutralise the virus, preventing it from infecting healthy cells.
T lymphocytes kill infected cells directly. They destroy virus-infected cells before they spread to healthy ones. T cells also stimulate and coordinate the immune response to target the viral infection. B and T lymphocytes cooperate to fight viruses.
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1. Fresh blood should be allowed to
A. Clump
B. Coagulate
C. Heat then cool
D. Air dry
before being analyzed.
How has the use of fossil fuels negatively affected Earth?
a. Less technology is available to people
b. More carbon dioxide has been emitted into the atmosphere
c. Average global temeratures have decreased
d. Recycling has become more common
b. More carbon dioxide has been emitted into the atmosphere is correct on how the use of fossil fuels negatively affect the earth.
What are fossil fuels?Fossil fuels encompass non-renewable energy sources that result from the remains of dead organisms which accumulate for millions of years on the planet's exterior. Electricity generation, heating households and establishments along with powering transportation depends on coal, oil, or natural gas extraction.
These fuels are formed by burying organic substances below sedimentary layers until they transform into fossil fuels through extreme temperature increases within Earth's mantle.
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Which of the following statements are correct, with respect to mask wearing recommendations? (Select 3 correct answers): a. You do not need to undertake hand hygiene before removing a used mask
b. You can wear the same mask for multiple patients where they do not carry an infection risk.
c. You can reuse a mask once it has been removed only if it's with the same patient d. Masks need to be correctly fitted to be effective
e. You should change masks between each patient
f. You should avoid touching the front of the mask
The correct statements in respect to respect to mask wearing recommendations are:
d. Masks need to be correctly fitted to be effective
e. You should change masks between each patient
f. You should avoid touching the front of the mask
Why are mask important?In the realm of battling infectious illnesses, particularly respiratory diseases like COVID-19, the employment of masks is undeniably crucial.
These masks perform their function by trapping released particles when somebody is talking, coughing or sneezing, which commonly host the virus responsible for causing these illnesses.
Through donning a mask, individuals can not only safeguard themselves, but also the well-being of others from falling prey to and promoting disease transmission.
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Which of the following statements is correct with respect to removing eye protection: O a. You can repossess eye protection provided it is cleaned appropriately.
b. You should always discard eye protection after use
c. You should perform hand hygiene before their removal, but you don't need to do this after
d. You can reuse eye protection without disinfecting as this is not required with eye protection
The statement "You can repossess eye protection provided it is cleaned appropriately" (option A) is correct with respect to removing eye protection.
What are eye protections?Eye protection are devices or equipment which plays an essential role in ensuring individuals can perform their jobs effectively without placing their vision at risk.
Various types of eye protections such as goggles, safety glasses and face shields are used extensively across different work arenas for utmost functionality and injury prevention against hazardous situations like flying projectiles or radiation exposure.
Also for those engaging in sports or hobbies that include elements with similar threats should also consider protecting themselves using appropriate eyewear option tailored for their needs.
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Which of the following is considered to be a specific defense mechanism against infection?
A. skin
B. mucus in respiratory system
C. normal bacteria in intestine
D. stomach acids
E. antibodies produced by B-cells
Answer:
An Explanation:
i need someone to answer this quick please!! the question is looking at this picture, how does the energy change throughout the pyramid? Is there the same amount of energy at each level? please be specific and no one word answers
Answer:
In these Trophic Levels, Ten percent of energy is being passed up from one trophic level to another. Suppose, 10 percent of energy is being passed up from primary producers to primary consumers. Then, again, 10 percent of energy is being passed up from primary consumers to secondary consumers. the rest 90 percent of energy is used for metabolism, excretion, etc. Since producers produce their own food, the Suns energy is being passed down to the producers which are autotrophs. Since, Heterotrophs like the consumers can't produce their own food due to not being able to photosynthesize, The consume 10 percent energy from each trophic level going up
13. As a direct result of the life process called
cellular respiration in humans,
(1) liquid wastes are eliminated from the body
(2) food is digested and absorbed into the blood
(3) energy is released from digested food within
the cells
(4) nutrients are transported within the cells
Through cellular respiration, cells use organic compounds taken from food to produce energy. Option (3) energy is released from digested food within the cells.
What is cellular respiration?
Cellular respiration is the process by which cells degrade organic compounds and turn them into energy.
Cellular respiration follows two ways, aerobic and anaerobic respration, which depend on the presence or absence of oxygen, and both of them begin with the process of glycolysis, which occurs in the cytoplasm and does not need oxygen to occur.
In human, occurs aerobic cellular respiration.
1. Occurs in the presence of free oxygen.
2. Series of reactions by which pyruvic acid (product of glycolysis) turns into CO₂ and H₂O, producing many ATP molecules.
3. Respiration occurs in the mitochondria.
4. Takes place in two steps or stages: Krebs cycle and electron transporter chain.
5. Glycolysis and Krebs cycle produce electrons, which then travel along the electron transporter chain while releasing energy, and ATP is produced.
According to this framework, the correct option is (3) energy is released from digested food within the cells.
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This is an trick question what is there but you can't see it
Directions: Write the term from the word bank that best completes the response frame
Word Bank:
DNA
development
organisms
related
traits
Can someone help me out with these questions pls
The functions of alveolus are:
Large surface area for gaseous exchange to take place: c. Millions of alveoli present in each lung.Diffusion of gases though cell surfaces is facilitated: e. Alveoli and capillaries have a one cell thick wall.Distance for diffusion is kept short: e. Alveoli and capillaries have a one cell thick wall.Steep concentration gradient is constantly maintained: d. Each alveolus has a thin film of moisture.Quick access to circulatory system: a. Each alveolus is closely surrounded by a network of capillaries.What is the alveolus known for?The alveolus is well-known as the location of gas exchange in the lungs. Oxygen from the air diffuses into the bloodstream via the alveolar walls, whereas carbon dioxide from the circulation diffuses into the alveoli and is exhaled out of the body.
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The range of the North American bobcat (Rufus lynx) extends from Mexico and California to Canad. In the Midwestern states, the bobcat's range was greatly reduced when land was converted to agriculture; bobcat numbers decreased. Which is the most plausible result of range restriction on the Midwestern bobcat populations?
Which of the following is the purpose for meiosis?
A. Unicellular organisms produce another organism
B. Multicellular organisms grow and develop
C. Multicellular organisms produce gametes
D. Multicellular organisms replace old, dead, or damaged cells
Answer:
C. Multicellular organisms produce gametes.
Explanation:
:)
Which statement describes why genetic variation can be beneficial to a population?
Group of answer choices
1. to increase the chance that some offspring survive during times of environmental change
2. to decrease the number of disease-resistant individuals
3. to ensure phyenotypic diversity with potential mates for offspring with different physical appearances
4. to ensure that all offspring survive during times of environmental change
The statement to ensure phyenotypic diversity with potential mates for offspring with different physical appearances describes the genetic variation can be beneficial to a population.
A population's genetic variation is the variation in DNA sequences between individuals. Somatic (all other) cells as well as germ cells (sperm and eggs) are both subject to variation.
The variation in DNA between individuals or populations is known as genetic variation. Mutations and genetic recombination are two of the numerous sources of genetic variation. Genetic variation is primarily caused by mutations.
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On a hot day in the African savannah, it would be
advantageous for an elephant to lose more heat
from its blood, so it should:
O Close as many blood vessels of the
digestive system as possible
O Increase its heart rate
O Dilate the blood vessels in its ears
O Let blood flow to all of the blood
vessels of the digestive system
O Constrict the blood vessels in its
ears
On a hot day in the African savannah, it would be advantageous for an elephant to lose more heat from its blood, so it should constrict the blood vessels in its ears.
Most mammals sweat through glands connected to pores, but elephants have pores only between their toes. By making all of their skin permeable and constrict they lose far more moisture via evaporation and are thus able to cool down faster.
One of the best physical cooling adaptations and constrict of both African and Asian elephants are their ears. Yes, you heard right – ears. In fact, elephants can lower their overall temperature by more than ten degrees celsius by simply flapping their massive ears to create wind.
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Which type of mutation is illustrated below: *
Original: TAC-GAG-CGA-ATG
Mutation: TAC-GAG-GAA-TGG
A)Insertion
B)Deletion
C)Substitution
Also for the rest of the answers pls
Which of these is an example of a biotic part of the ecosystem? water trees soil sun
Answer:
The answer to this question is Tress. Hope this helps
Answer:
water
Explanation:
Which is a type of red blood cell disorder?
anemia
platelet disorder
blood clots
high blood pressure
Answer:
anemia
Explanation:
red cell membrane disorders (e.g. hereditary spherocytosis) hemoglobinopathies (e.g. sickle cell disease and thalassemia) hemolytic anemia. nutritional anemias (e.g. iron deficiency anemia, and folate deficiency)
At the crossing of two white sheep, a lamb with a black coat is born.
How can this apparent anomaly be genetically explained?
Answer:
The two white sheep could have genetics of its ancestors.
Explanation:
Lets use a punnett square (file attached)
W = White
w = Black
The parents of the baby sheep could still have the recessive trait (w) in the genes making a chance of the baby being black.