As a result of the Green Revolution’s large crops, poor farmers _____.
A. received less money for their crops
B. had to work for large corporate farms
C. received higher prices for their crops
D. could expand the size of their farms
Option A. received less money for their crops is the correct answer.
The Green revolution's large crops made poor farmers to receive less money for their crops. As the production increased to a large extent due to the Green Revolution, it lead to the fall of prices of crops and thus the poor farmers had to sell their crops at cheap rates.
Answer:
Option A, received less money for their crops
Explanation:
Economically, green revolution was not very fruitful for the poor farmers. Due to the revolution, the agricultural production increased tremendously.
This lead to more supply with respect to demand in the market due to which the price of agricultural produce reduced. Out of market pressure, the poor farmers were forced to sell crops at a lower price.
Hence, option A is correct
Since the early 1990s, geneticists have produced ____________ crops that yield fruits and vegetables commonly found in U.S. supermarkets.
The answer is genetically modified.
The hydrolysis of atp on the na+/ k+ pump results in
The ____________ is a hollow storage vat that initiates digestion of proteins.
The answer is stomach. The stomach is the major part of our digestive system because here the digestion occurs, it looks like a pear shaped enlargement of the alimentary canal connecting to the esophagus to the small and large intestine. Then the pancreas secretes and produced a digestive enzyme that release insulin.
A drug molecule that inhibits or blocks a neurotransmitter's action is called
Compare the width of the vessel walls. Explain why they are different thicknesses.
Arteries have thick walls compared to veins. The thick walls of arteries enable them to withstand the blood pressure generated by the pumping action of the heart. It is notable that arteries carry blood away from the heart. Veins have thin walls due to the fact that they transport blood towards the heart hence are subject to low blood pressure. Their walls are also thin to allow the exchange of material between them and tissues.
What is the term piaget used for the process in which one state is changed into another?
While assessing a term neonate on a home visit to a primiparous client 2 weeks after a vaginal birth, the nurse observes that the neonate is slightly jaundiced and the stool is a pale, light color. the nurse notifies the health care provider (hcp) because these findings indicate which problem?
Based on the scenario above, these findings indicate the problem of biliary atresia. Biliary atresia is considered to be a rare disease of the liver as well as the bile ducts that primarily occurs in the infants in which the cells of the liver produces bile that is responsible of digesting fat.
where does the deoxygenated blood go once it has entered the heart
Final answer:
Deoxygenated blood enters the heart's right atrium, gets pumped into the right ventricle, and is then sent to the lungs via the pulmonary trunk and arteries. After being oxygenated in the lungs, it returns to the left atrium, through to the left ventricle, and gets distributed to the body by the aorta.
Explanation:
Pathway of Deoxygenated Blood in the Heart:
Once deoxygenated blood has entered the heart, it flows into the right atrium through the superior and inferior vena cava. From the right atrium, the blood is pumped into the right ventricle. The right ventricle then pumps this oxygen-depleted blood into the pulmonary trunk, which bifurcates into the left and right pulmonary arteries leading toward the lungs. Here, in the pulmonary capillaries, gas exchange occurs: carbon dioxide exits the blood and oxygen is absorbed. Once oxygenated, the blood is returned to the left atrium of the heart via the pulmonary veins, which is unique as it is the only instance where veins carry highly oxygenated blood. The oxygen-rich blood is then pumped into the left ventricle, which subsequently pumps it into the aorta and through the systemic circuit to supply the body with oxygen.
The sequence is a crucial part of the pulmonary circulation, which ensures that blood is oxygenated in the lungs before being distributed to the rest of the body in the systemic circulation. The heart's role in this dual-circulation system is essential for maintaining a separation between oxygenated and deoxygenated blood, allowing efficient oxygen delivery to body tissues.
The body's continuing immune response and defense against pathogens it has seen before is known as ________.
a. immunoglobulins
b. graft-versus-host
c. active immunity
d. passive immunity
Answer: C. Active immunity
Active immunity is the body’s continuing immune response and defense against previous pathogens. This means that it requires exposure to a pathogen or antigen as like in an immunization where an artificial active immunity is building up a resistance to a disease by clonal selection and expansion builds up sufficient antibody.
Furthermore, first exposure to pathogen will lead to what is called a primary response while secondary response is if a person is exposed to the pathogen again, the response is much faster and stronger. Active immunity can endure for years or the entire life of a person.
Which classification of bone has two thin layers of compact bone surrounded by a layer of spongy bone?
Final answer:
Flat bones have two layers of compact bone surrounding a layer of spongy bone, offering protection and a surface for muscle attachment while maintaining a lightweight structure.
Explanation:
The classification of bone that has two thin layers of compact bone surrounded by a layer of spongy bone is known as a flat bone. Flat bones, such as the bones of the skull, ribs, and sternum, are constructed in such a way as to provide protection to internal organs and to offer broad surfaces for muscle attachment. These bones consist of a layer of spongy bone, also known as diploë, which is lined on either side by a layer of denser compact bone. This arrangement facilitates strength and resilience while minimizing weight.
The classification of bone that has two thin layers of compact bone surrounding a layer of spongy bone is known as flat bone. Flat bones are typically thin, flattened, and often curved. Examples of flat bones include the bones of the skull (such as the parietal and frontal bones) and the ribs. The two outer layers of compact bone provide strength and protection, while the inner layer of spongy bone helps to reduce the bone's weight without compromising its strength.
The town where Sanjay and his family live wants to cut back on their use of non-renewable resources at home. The town is located in the area we call the Great Plains, in the state of Kansas. The town's people want to cut their dependency on non-renewable resources. They also want to minimize the amount of particulate matter they put into the atmosphere. Given the town's location, what would be good energy resource choice or choices for them to consider?
Final answer:
The Great Plains, including Kansas, boasts excellent wind resources, making wind energy a sustainable and environmentally friendly choice for a town aiming to reduce its use of non-renewable resources and particulate emissions.
Explanation:
The town in Kansas, situated in the Great Plains, looking to cut back on their use of non-renewable resources and minimize particulate emissions, would find wind energy to be an ideal choice. The Great Plains region, including Kansas, is known for its excellent wind resources, making it one of North America's leading areas for wind turbine installations. This region's wind is described as inexhaustible, and utilizing it does not diminish tomorrow's supply, making it a sustainable option for renewable electricity generation.
Additionally, wind energy does not contribute to particulate matter emissions, aligning with the town's environmental goals. The rapid expansion of wind power in the United States, where wind is now the leading source of new electrical power capacity, further supports this choice. Given the economic and environmental benefits, transitioning to wind power could significantly reduce the town's dependency on non-renewable resources and its environmental footprint.
You are infected with an antibiotic-resistant strain of klebsiella pneumoniae. where did you most likely contract it?
Bacteria reproduce in a process called binary fission. Which of the following is true about binary fission?
A newborn with respiratory distress syndrome (rds) is receiving continuous positive airway pressure (cpap) therapy by way of an endotracheal tube. the nurse determines that the infant's breath sounds on the right side are diminished and that the point of maximum impulse (pmi) of the heartbeat is in the left axillary line. what is the interpretation of these assessment data and the appropriate nursing action?
Your ems team is performing cpr on a 60-year-old male in cardiac arrest. you connect the aed, push the analyze button, and receive a "no shock advised" message. you should:
which of the following is not an observation that was made by Darwin
a. different animals living in similar environments often had similar characteristics
b. closely related animals living in different environments often had different features
c. fossilized, ancient creatures sometimes had similar features to living creatures
d. all livings things share a universal genetic code
what is the principle of common descent
a. the principle of common descent is the idea that all living and extinct organisms shared a common ancestor at some point in their evolutionary history
b. the principle of common descent is the idea that organisms that evolve in the same environment will have the same characteristics
c. the principle of common descent is the idea that the fittest members of a population will survive and produce more offspring
d. the principle of common descent is the idea that organisms evolve at a slow and steady rate
We share a common ancestor, which is the first explanation. We all had the same DNA at birth, in other words, so long ago. Thus, option D is correct.
What are the universal genetic code share by an organism?The genetic code is universal, meaning it is the same in all organisms, including humans and viruses as well as some prokaryotes, mitochondria, and chloroplasts.
The triplet codons in the RNA version and the corresponding amino acids are shown in the table of the Standard Universal Genetic Code on the following page.
The existence of this specific genetic code rather than any of the millions or billions of others defies biological and chemical logic, according to scientists.
However, every species on Earth had a genetic code that is essentially the same and universal.
Therefore, universal genetic code is not an observation that was made by Darwin.
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We would expect the correlation between smoking and lung cancer to be _____, whereas we would expect the correlation between mountain elevation and temperature to be _____. (note: the higher you go on a mountain the colder it gets, as you go higher on the mountain the temperature gets lower.)
What gene are we going to attempt to introduce into our bacterial strain?
Red muscle fibers are red because they contain large amounts of
_____ is the primary excitatory neurotransmitter whereas _____ is the primary inhibitory neurotransmitter in the brain
Small, oddly shaped bones that fill gaps between bones of the skull are called
The organ near the stomach that produces, stores, and eliminates blood cells is the
The organ near the stomach that produces, stores , and eliminates blood cells is the spleen.
The correct answer is the spleen. The organ near the stomach that produces, stores, and eliminates blood cells is the spleen.
The spleen is an organ located near the stomach that plays a crucial role in the production, storage, and elimination of blood cells. It is part of the lymphatic system and has several important functions:
1. Production of Blood Cells: During fetal development, the spleen is involved in the production of blood cells, a process known as hematopoiesis. However, after birth, this function is largely taken over by the bone marrow.
2. Storage of Blood Cells: The spleen stores blood cells, including white blood cells, red blood cells, and platelets. It can release these cells into the bloodstream as needed, such as during times of physical stress or infection.
3. Elimination of Blood Cells: The spleen also removes old or damaged red blood cells from the circulation. This process helps to recycle iron from hemoglobin and maintain the health of the blood.
4. Immune Function: The spleen contains immune cells that can fight certain types of bacteria and viruses. It acts as a filter for pathogens in the blood.
5. Blood Reservoir: The spleen can contract and release blood into the circulation, acting as a reservoir that can help in case of severe bleeding or low blood pressure.
Given its role in the immune response and the maintenance of blood cells, the spleen is an important organ for overall health. However, it is not essential for life, as people can live without a spleen, a condition known as asplenia, although they may be more susceptible to certain infections.
Which replicative cycle describes a virus that can integrate its genome into the host cell's genome? view available hint(s) which replicative cycle describes a virus that can integrate its genome into the host cell's genome? lysogenic viral lytic mutagenic?
The answer is lysogenic. The prophage of the virus, in lysogenic cycle, replicate with the host cells, without necessarily destroying the host cell. Therefore, the daughter cells of the host cells will have the integrated viral genome (prophage). However, the lytic cycle, the other viral cycle, involves the quick manufacture of viral proteins, and assembly, even when the host cell is not dividing, that accumulate and cause the host cell to lyse/burst.
Soil is composed of various materials, such as gravel, sand, silt, clay, and organic material. Each of these substances creates a variety of different soil conditions. Different soil compositions have different properties, which affect water capacity. One of these soil properties is grain size.
Gravel is greater than 2 mm
Sand is 0.5 - 2.0 mm
Silt is 0.002 - 0.005 mm
Clay is less than 0.002 mm
Answer these questions.
A. A soil composed of which particle on the chart would be least effective in allowing water to pass through it?
B. Explain how soil grain size can affect water storage capacity in soils.
C. Explain why a soil composed of a combination of the grains shown would be a better soil for plants than a soil composed of just one type of grain.
D. What purpose does sand serve when mixed with a soil that is made mostly of clay?
Clay soil is least effective in allowing water to pass through due to its small grain size. Soil grain size affects the soil's water retention and drainage capacity, with sandy soils draining quickly and clay retaining more water. A loamy soil with a blend of different particle sizes offers optimal growing conditions for plants.
Explanation:Understanding Soil Properties and Water CapacityA soil composed of which particle on the chart would be least effective in allowing water to pass through it? The answer is clay. Clay has the smallest grain size, which means that it has many small, tightly packed particles that can hold water but impede its flow.
How does soil grain size affect water storage capacity in soils? Soil grain size affects water storage capacity because different sized particles create various sizes of pore spaces. Sand has larger particles and thus larger pore spaces, allowing for more water to pass through quickly. Conversely, clay soils have many small spaces, which retain water more effectively but slow down water movement.
Why would a combination of grains be beneficial for plant soil? Soils composed of a mixture of grain sizes, such as sandy soils, silt, clay, and organic matter, known as loams, are often the best for plants. These soils have a balance of water retention and drainage that supports healthy plant growth.
What purpose does sand serve when mixed with soil that is made mostly of clay? Adding sand to clay soil improves drainage and aeration, preventing water from pooling and root rot in plants.
When a drug is fat soluble, sniffing is a rapid and effective way to absorb it?
Pinworms have smooth bodies bilateral symmetry and complete digestive tracts. what type of the animal are they
Answer:
Pinworms are belongs to nematode (roundworm) phylum, which are the parasite of vertebrates. They are also known as seatworm and threadworms.
Pinworms are common intestinal helminthiasis (parasite) especially in humans. They are tiny, white color and narrow worms (less than half-inch in size).
Pinworm infection is known as enterobiasis (oxyuriasis). Primary symptom of this infection is itching and skin irritation.
Pinworm belongs to kingdom animilia, and class chromadorea.
Select all that apply.
Which of the following products are derived from invertebrates?
food
shell jewelry
silk
cotton
Answer:
The correct answers are:
shell jewelry, silk, silk and food.
Explanation:
Hello!
Let's solve this!
Let's analyze each of the options:
The food comes from many invertebrates.
Shell jewelry shell pearls are used for jewelry.
Silk comes from silkworms.
Cotton is a fiber that comes out of the cotton plant.
We conclude that the correct answers are:
shell jewelry, silk, silk and food. Cotton not because it comes from a plant.
The centrosome: is a region of the chromosome where sister chromatids remain attached. is a region of the chromosome where kinetochores attach. is a region of the chromosome where microtubules attach to chromosomes during mitosis. is the microtubule organizing center for the mitotic spindle. all of these choices are correct.
The centrosome is an organelle that organizes and positions microtubules during mitosis, hence forming the mitotic spindle. It is not a region of the chromosome per se, but interacts with the chromosomes during mitosis.
Explanation:The centrosome is an organelle that plays a crucial role in the process of cell division, particularly mitosis. It is not a region of the chromosome but is a separate entity within the cell. One of the primary roles of the centrosome is being the microtubule organizing center for the mitotic spindle. This means that the centrosome is responsible for organizing and positioning the microtubules, which are essential in the creation of the spindle fibers that separate the chromosomes. Therefore, it can also be characterized as a region where microtubules attach to chromosomes during mitosis (via the kinetochores), but these features take place outside the chromosomes structure, not within it.
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The _____ is a reference value for the intake of nutrients used on the food label. adequate intake daily value estimated average requirement recommended dietary allowance
Answer:
The correct answer is the recommended dietary allowance.
Explanation:
The RDA or the recommended dietary allowance refers to the level of the average daily dietary intake, which is adequate to meet the need of nutrients of almost all the healthy individuals in a specific gender and life stage group, the life stage comprises age, and when probable lactation or pregnancy. The setting of the RDA relies upon being able to set the EAR (estimated average requirement).