Answer: Chemical messengers from the endocrine system (hormones) will only bind to specific receptors on target cells. If the cell does not have the receptor for said messenger, the messenger will not bind and the cell will not change in function.
Explanation:
9. I want to study how people respond to a vaccination against a virus. To make sure that I am doing everything right in my study
design, I should prepare a study proposal for the...
IARB
WHO
IACUC
IRB
CDC
Before a vaccination can be used in the US, the FDA must give its approval. The safety and efficacy of vaccines are helped to some extent by FDA regulations.
What are the benefits of Vaccination?Premature deaths, hospital stays, and doctor visits can all be very expensive consequences of diseases that can be prevented through vaccination. A lot of time, money, and resources are also required for local, state, and federal outbreak responses. The US saves billions of dollars by administering immunizations on schedule.
A pathogen is a bacteria, virus, parasite, or fungus that can infect the body and cause disease. The various components that make up each infection are typically exclusive to that particular pathogen and the disease it produces. The component of a disease known as an antigen that triggers the production of antibodies. The immune system's primary component is the antibodies created in reaction to the antigen of the infection. The warriors in your body's defense system are called antibodies.
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A. How do global systems interact to affect ecosystems?
B. What features of the geosphere could affect ecosystems?
Explanation:
1: A) is a purposeful unit that outcomes from interactions of abiotic, biotic, and anthropogenic components and are a combination of interacting, interrelating parts that shape a unitary whole. Ecosystems differ in size. They can be as small as a puddle, or as large as the earth itself. Basically, any dwelling and non-living matters interacting together can be considered an ecosystem. Within each ecosystem, there are habitats that differ in size. A habitat is a area the place a population lives. A populace is a group of residing organisms of the identical variety dwelling in the identical location at the same time. Natural ecosystems are made up of abiotic elements such as air, water, rocks, and power and biotic elements such as plants, animals, and microorganisms.
1: B) Faster plate tectonic movements additionally suggest more mountains are developed in areas the region plates converge. As rocks are uplifted into mountains, they start to erode and dissolve, sending sediments and vitamins into waterways and impacting the ecosystems for living things.
As children become adolescents, according to Kohlberg, most of them remain fixed at what level of moral development?
Question 2 options:
Conventional
Interconventional
Preconventional
Postconventional
Answer: A. Conventional should be the correct answer.
Choose a plant tissue. Write an explanation of how that tissue’s structure relates to its function. Be specific and detailed
Answer:
The vascular tissues, xylem, and phloem are arranged in the vascular bundle and serve to regulate and circulate the nutrients. Xylem transports water, while phloem transports nutrients and organic compounds.
Answer:One plant tissue that is critical to the survival of the plant is the xylem tissue. Xylem tissue is responsible for transporting water and minerals from the roots of the plant to the rest of the plant, including the leaves and stem. The structure of the xylem tissue is specifically designed to perform this function efficiently and effectively.
Xylem tissue is made up of two main types of cells: tracheids and vessel elements. These cells are long and cylindrical, with a hollow center that allows for the easy flow of water and minerals. Tracheids are thin-walled cells that have tapered ends, and they are found in all vascular plants. Vessel elements are larger in diameter than tracheids and have thinner walls. They are found only in angiosperms (flowering plants) and gymnosperms (non-flowering plants).
The walls of tracheids and vessel elements contain lignin, a hard and durable material that provides structural support to the plant. The presence of lignin allows the cells to withstand the high pressure that is created when water is transported through them. The walls of the cells are also impermeable, meaning that they do not allow water to escape, which is crucial for the efficient transport of water and minerals throughout the plant.
In addition to tracheids and vessel elements, xylem tissue also contains parenchyma and sclerenchyma cells. Parenchyma cells are thin-walled cells that provide support and store nutrients. Sclerenchyma cells are thicker-walled cells that provide structural support and protection to the plant.
The structure of xylem tissue allows it to perform its function of water and mineral transport efficiently. The hollow center of the tracheids and vessel elements allows for the easy flow of water and minerals, while the presence of lignin in the cell walls provides support and prevents the cells from collapsing under pressure. The impermeable walls of the cells ensure that water and minerals are not lost during transport, and the parenchyma and sclerenchyma cells provide additional support and protection to the plant. Overall, the structure of xylem tissue is crucial to the survival of the plant, as it ensures the efficient and effective transport of water and minerals throughout the plant.
Explanation:
What is the difference between the greenhouse effect and the enhanced greenhouse effect? A. there is no difference between the two.B. the greenhouse effect is a natural warming process, but the enhanced greenhouse effect has a cooling effect on earth. C. the enhanced greenhouse effect has natural causes, and the greenhouse effect is due to human activity.D. the greenhouse effect has natural causes, and the enhanced greenhouse effect is due to human activity.
The greenhouse effect is a natural proccess that allows the development of life, it has natural causes. On the other hand, the enhaced greenhouse effect, also know as climate change or global warming, it's reffered to the impact on the climate caused by the overheating of the Earth's surface because of the human activity. Then, option D is correct.
Standard NCES.7.L.2.1-What is the most likely reason a parent jellyfish looks identical to its offspring?
Group of answer choices
The jellyfish reproduces through meiosis.
The jellyfish reproduces through fertilization.
The jellyfish reproduces through sexual reproduction.
The jellyfish reproduces through asexual reproduction.
Answer:
It is because the jellyfish reproduces through asexual reproduction.
Cellular Respiration and Energy
Which of the following statements about facilitated diffusion is Gated proteins control the rate of diffusion.
Molecules move up the concentration gradient
ATP is required to move molecules through the protein channels.
Molecules move from an area of low to high concentration.
The three phosphate groups of the ATP molecule have negative charges that are given by the oxygen atoms they possess. Because the negative charges repel each other it is extremely difficult to keep the phosphate groups together and therefore the bonds that exist between them are very strong, for this reason when a phosphate bond is broken to convert ATP to ADP, a large amount of energy is released. This is why ATP works so well as an energy molecule. Therefore, the answer is A (they have the same charge and repel each other)
How do south Floridians get our drinking water
Answer:
Instead of snowcapped mountains that store water in advance of warmer temperatures, most of our drinking water comes from underground "mountains" of porous materials called aquifers which are replenished by rain. The Biscayne Aquifer is South Florida's lower east coast's primary source of fresh water.
Hi can someone please help describe this object that was viewed under high magnification
In a star, hydrogen turns into helium through
A. the impact of comets with stars.
B. low pressure and high temperature in the core of the star.
C. high temperature and intense pressure in the core of the star.
D. the transfer of electrons from helium to hydrogen.
Answer:
C
Explanation:
High temperature and intense pressures causes hydrogen atoms to become unstable and collapse to form Helium.
Describe 5 different abiotic factors.
Answer:
Temperature
Air
Light
Soil
Water
Explanation:
Abiotic factors are the Non living contributors
What is the molecule that transcribes RNA into DNA? A.Retrovirus B.Reverse virus C.Reverse transcriptase D.Retro Transcriptase
If a person were to stay at high altitudes for a long period of time, his or her hematocrit would
increase in order to compensate for the decrease in the amount of oxygen in the air he or she is
breathing.
True
Or False
Answer:
The correct answer would be true.
Explanation:
The person would suffocate if the hematocrit didn't increase for the lack of oxygen in the air.
Approximately how many moons are there in the solar system that are large
than Pluto?
Answer here
Answer: There are seven moons in our Solar System, including our own Moon, that are larger than Pluto.
Explanation:
Trust
9. The following materials can be reused, EXCEPT
A. woods
B. paper
C. aluminum cans
D. paint brush
Answer:
B. paper
Explanation:
Once paper has been used there's no other way of reusing it physically, but chemically paper can be reused in one way or another...
What is the purpose of a mantra?
Question 13 options:
To help people sleep.
To help people argue.
To help people explain emotions.
To help people meditate.
Purpose of a mantra is to help people meditate.
Mantra is a word or phrase you repeat during meditation it help in keeping your mind calm .It can make a lot of difference, especially if you have trouble concentrating or getting in the right frame of mind. Mantra are also believed to be responsible for building concentration and keeping one calm and composed .
When you chant mantras your mind releases the positive energy that decreases the negative thoughts or stress. Chanting mantras is an ancient practice that calms your mind and soul. some examples of mantra can be I am calm. I am present in this moment. I am at peace.
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Cytokinins are a class of plant hormones that help regulate growth by promoting cell division. cytokinins are produced mainly in meristematic tissue, where most plant growth occurs. which system carries cytokinins produced in the roots to the rest of the plant?F Vascular systemG Dermal systemH Reproductive systemJ None of thes
As we know the plants constantly are distributing nutrients, hormones, proteins, and waste compounds along with the whole plant, just like animals plants possess a circulatory system, named the vascular system. So we can say that the correct answer is option F.
How many cells are in interphase, how many in prophase, how many in metaphase, anaphase, telophase?
Answer:
We get 69.6 % cells in interphase, 12.5% in prophase, 8.9% in metaphase, 5.4% in anaphase, and 3.6% in telophase.
Explain the differences between weather and climate. Give 2 examples of each.
Answer:
Weather is a short-lived and random changes in the atmosphere, from rain to snow to hot summer months. While, Climate is usually a set temperature for a long period of time. Some examples of a climate are Antarctica, usually being cold and snowing all the time, even in summer months.
Which of the following are examples that the particles of matter are in motion?
a. You can smell the turkey dinner far from the kitchen where it is being cooked.
b. Adding a pinch of red cayenne pepper powder to white milk turns the milk pinkish.
c. Dissolving sugar in water makes the water sweet.
D. All of the above
e. None of the above
Answer:
Explanation:
Short Answer D
If you see any change at all, you know something is moving where it was not moving before.
The smell of turkey (or perfume) can only happen if atoms are moving from the kitchen to your nose. There is no other transport mechanism.
A change of color is most often associated with chemical reactions, but it need not be that alone. The molecules can just be moving around and lend their color to (in this case) white milk.
Well this one is a little tough. You can't see anything happening if you put (say) a 1/2 teaspoon of sugar in an 8 oz cup. But you know something has happened to the water when you taste it. Taste is one of our senses and when we detect something like sweetness we know that something sweet has been add to what we drink. Only molecular motion can account for that.
Mechanoreceptors in two membranous sacs of the ____________ , called utricle and saccule, detect vertical and horizontal movement, or ____________ equilibrium.
Mechanoreceptors in two membranous sacs of the vestibule , called utricle and saccule, detect vertical and horizontal movement, or static equilibrium.
The unique sense that translates head position to allow the CNS to maintain stability and posture when the head and body are not moving; it is detected by mechanoreceptors in the vestibule of the inner ear, the utricle and saccule, each of which contain a macula with the receptors for static equilibrium; when the head moves in relation to gravity, the otolithic membrane shifts, and the mechanoreceptors (hair cells) in the macule.
Utricle and saccule are the two membranous sacs in the vestibule of the ear. Utricle is the larger sac of the two. They contain a specialized mechanoreceptors, called macule, to detect static equilibrium.
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What type of tropism results in plants with roots growing away from the sunlight with the rest of the plant typically growing toward the sunlight?
In this type of tropism, the roots grow away from sunlight, but the rest of the plant grows toward sunlight.
That's why it's called "phototropism", it's directed towards sunlight.
The sentence is right: results in plants with roots growing away from the sunlight with the rest of the plant typically growing toward the sunlight.
Answer: Phototropism.
As children become adolescents, according to Kohlberg, most of them remain fixed at what level of moral development?
Question 2 options:
Conventional
Interconventional
Preconventional
Postconventional
Answer: A. Conventional
Chief material present in the cell wall of plant, fungal and
prokaryotic cell is
Answer:
In the plant cells, cellulose is the primary component of the cell wall, in bacteria the primary component of the cell wall is peptidoglycan and in fungi the primary component of the cell wall is chitin.
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Based on these data what happened between 2 minutes and 3 minutes?
Answer:
C
Explanation:
snail stopped moving, as there is no change in distance travelled.
what are the major cell structures anfd their function
The nucleus (major organelle) holds genetic information necessary for reproduction and cell growth. Every cell has one nucleus and membrane-bound organelles in the cytoplasm. Mitochondria, a double membrane-bound organelle is mainly responsible for the energy transactions vital for the survival of the cell.vidya
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What is causing the temperature of the earth to increase what is it called?
Answer:
Climate change/Gobal warming.
Define deforestation What are some negative and positive effects ( if any ) of deforestation
Deforestation can be defined as the loss of forests due to the impact of human activities or natural causes.
Some of the negative consequences of deforestation are the loss of the habitat of native species in the area that was deforested, this puts the lives of these species at risk.
Another consequence is that deforestation promotes global warming, since forests and jungles help to consume a considerable part of atmospheric CO2, reducing environmental pollution and therefore, the amount of greenhouse gases, also decreasing environmental temperature.
Regarding the positive effects of deforestation, these would be mostly economic, since the wood of the trees works as a raw material for many materials that are currently used. While environmentally the advantages are scarce. An example could be the logging of invasive species in an ecosystem (if they exist). However, deforestation is normally carried out indiscriminately, so it would also affect native species
In Pavlov’s experiments, what was an example of an unconditioned response?
Question 4 options:
The ringing of the bell when the food was offered.
The dog’s salivation when the bell was rung.
The food the dog was offered.
The dog’s salivation without stimulus.
Answer:
The dog’s salivation without stimulus.
Explanation:
Unconditioned Response is a natural response towards the stimulus, with no learned influence.
In this case, it will be the the dog's salivation without stimulus.
Why it isn't 1: The ringing of the bell is the Conditioned Stimulus, as it is used to condition the dog that "food is served" when the bell is rung.
Why it isn't 2: The dog's salivation is the result of long-term stimulus, and so it is the Conditioned Response, where the connection between the bell and food being served is already made.
Why it isn't 3: The food is the Unconditioned Stimulus.
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Consider two planets that have the same mass but are very different in size. Which statement describes gravitational pull that an object would experience on the surface on each planet
Answer:
Suggest what information the sugeon General would have needed to obtain in order to make a valid and reliable conclusion about the link between cigarrete smoking and lung cancer