The major means of propelling food through the digestive tract is __________.
A reflex arc is controlled by the neurons within the _______________________. frontal lobe occipital lobe spinal column brain nerves
Answer:
spinal column
Explanation:
The reflex arc is the immediate response to the excitement of a nerve, without the will or consciousness of the animal, ie it is a stimulus that does not reach the brain, it receives response in the spinal column. The path taken by a nervous impulse, which washes the execution of the movement, is the reflex arc. In invertebrates, there are simple reflex arcs involving only one neuron. However, among vertebrates, reflex arcs include at least two neurons.
Briefly, we can state that a reflex arc is controlled by neurons within the spinal column.
The nurse is preparing a patient for a procedure with the thoracoscope to reduce the exacerbations of chronic obstructive pulmonary disease (copd). what procedure should the nurse be sure the patient understands?
Simon learns that supplementing with water-soluble vitamins is potentially safer (compared to fat-soluble varieties) because they aren't stored in the body for as long, which reduces their ability to cause a toxicity. which vitamin is water soluble?
When sperm cells and egg cells combine we say?
The least important role of nutrition in wellness is learning to
Answer
obtain a variety of foods.
eat a high fiber diet.
choose high quality sources of foods.
consume foods that will help prevent disease in your body.
What term describes the mode of asexual reproduction in which offspring develop from unfertilized eggs?
Recent african origins hypothesis relies upon which kind of genetic data
This hypothesis, that modern humans originated from Africa, relies on mitochondrial DNA. Using mitochondrial DNA, the matrilineal most recent common ancestor of all currently living humans could be traced: only the female eggs contain mitochondria. The most recent common ancestor was traced to Africa at approximately 170,000 and 100,000 years ago.
Where is romeo at this point and what arrangements do juliet and the nurse make?
Romeo is waiting for Juliet and getting ready for friar tuck to see the two. Juliet and Tte nurse are making plans to sneak Juliet out so she can go marry her one true love.
Who is Romeo?Romeo Miller is an American rapper, actor, and television personality better known by his stage name Romeo (formerly Lil' Romeo). He signed with No Limit Records, which was then run by his father, Master P, and quickly became well-known as a rapper in the early 2000s.
His first single, "My Baby," was quickly published in 2001 and reached its highest point on the Billboard Hot 100 at number .
Later that year, Miller released his debut album Lil' Romeo, which debuted at number six on the US Billboard 200 and eventually earned a Gold certification after selling 99,000 copies in its first week.
Therefore, Romeo is waiting for Juliet and getting ready for friar tuck to see the two. Juliet and Tte nurse are making plans to sneak Juliet out so she can go marry her one true love.
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Thermal pollution is?
A, b or c
what are the similarities between an onion and whitefish cells?
Cell division is the process in which cell divides and give rise to daughter cells. The phases of cell division are studied to understand the process. The onion root tip and white fish cells are used to study the mitosis.
Cell cycle is composed of interphase, mitosis, and cytokinesis. The mitotic phase involves the production of two identical daughter cells having same number of chromosomes as parent cell. The mitosis constitute of prophase, metaphase, anaphase, and telophase stages.
The similarity in onion root tips and whitefish cells are:
The stages of mitosis are similar in both the cells. These cells are used to study mitotic division. These cells are rapidly dividing, which makes it easier to understand the process of cell division.However, the cells differ in the cytokinesis process.
Therefore, the onion root tip cells and whitefish cells exhibit rapid division and are used to study mitosis.
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Check my answers please.
Q. Which of these skin cancers is most likely to spread to other parts of the body without early treatment?
A. basal cell carcinoma
B. squamous cell carcinoma
C. melanoma*****
D. basal cell carcinoma and melanoma
Q. What happens when the keratin- producing cells of the skin die?
A. melanin and keratin are produced
B. an additional dermis layer is formed
C. A waterproof coating Is formed
D. melanin is produced****
In human males, the urethra is used for transport of
In human males, the urethra is used for transport of semen and urine.
The urethra is a thin fibromuscular tube through which urine and semen are transported from the bladder and ejaculatory ducts, respectively, to the outer part of the body in human males. The male urethra is made up of several heterogeneous parts which are membranous, prostatic and spongy. The urethra only transports urine in human females.
Compare the amount of hyaline cartilage found in an embryonic skeleton compared to a child
Final answer:
The embryonic skeleton is predominantly made of hyaline cartilage providing a template for bone development, which starts to ossify from the sixth week of embryonic life. By childhood, much of the cartilage is replaced by bone, but it remains significant for growth and joint function.
Explanation:
During embryonic development, a framework of hyaline cartilage serves as a template for the majority of bones through the process of endochondral ossification. In embryonic skeletons, this type of cartilage is extensive as it serves as scaffolding for bone formation. By the sixth or seventh week of life inside the womb, the process of bone development begins, slowly replacing the hyaline cartilage matrix with bone; however, this process is far from complete at birth.
As a child grows, more of the cartilage is replaced by hard bone, especially through the growth plates (epiphyseal plates) during childhood and adolescence. Nonetheless, hyaline cartilage does not disappear completely in children or even in adults. It remains in areas such as the joints (as articular cartilage), rib cage, ear, and nose, contributing to the flexibility and cushioning of these parts. The difference between the embryonic skeleton and a child's is that in the embryo, the skeleton is predominantly cartilaginous, while by childhood, much of this cartilage has ossified, although substantial cartilage is still present for growth and joint function into adulthood.
How does the use of nonrenewable resources compare to the use of renewable resources?
a. The use of renewable resources is potentially more harmful to the environment than the use of nonrenewable resources.
b. The use of renewable resources is more common and widespread than the use of nonrenewable resources.
c. The overuse of renewable resources can lead to problems similar to those associated with the use of nonrenewable resources.
d. Renewable resource use is more problematic than the use of nonrenewable resource use.
Answer: c. The overuse of renewable resources can lead to problems similar to those associated with the use of nonrenewable resources.
Renewable resources are those resources, which can be replenished after once used such as wind, water, sunlight and others. Non- renewable resources are those resources, which cannot be replenished after once used, for example fossil fuels like coal, petroleum and natural gas.
Although, renewable resources are abundantly available in nature but their judicious use is necessary, so that these resources can meet the needs of the future generation, ensuring sustainable development of human society. But, in reality the overuse of renewable resources can lead to problems similar to those associated with the use of nonrenewable resources. This is because of increasing population and pollution in the environment, has deteriorated the quality and decreased quantity of renewable resources.
The overuse of renewable resources can lead to problems similar to those associated with the use of nonrenewable resources. Therefore, option (C) is correct.
What are non-renewable resources?While nonrenewable resources, such as fossil fuels, are finite and have a limited supply, renewable resources, such as solar or wind energy, can be replenished naturally or through human intervention. However, it is important to note that the overuse or mismanagement of renewable resources can lead to negative consequences, similar to those associated with nonrenewable resources.
For example, if renewable resources are exploited at a rate faster than they can naturally regenerate, it can result in depletion, habitat destruction, or environmental degradation. Thus, sustainable management and responsible use of both renewable and nonrenewable resources are crucial for long-term environmental sustainability.
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Heart muscle cells would tend to separate without ________
a. stroma
b. intercalated discs
c. flana
d. myofilaments
Intercalated discs in heart muscle cells play a crucial role in connecting these cells together and facilitating coordinated contraction of the heart. Without them, heart muscle cells would tend to separate.
Explanation:Heart muscle cells, also known as cardiomyocytes, would tend to separate without intercalated discs. Intercalated discs are complex structures that connect heart muscle cells to each other. They play a pivotal role in enabling coordinated contraction of the heart, facilitating the efficient pumping of blood. Without intercalated discs, the coordinated contraction would not be possible, causing the heart muscle cells to separate. So, the correct answer to your question is b. intercalated discs.
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Which factors most influence global precipitation?
a. variations in air pressure and strong ocean currents
b. unequal heating of air above mountain slopes and valleys
c. unequal heating of land and water
d. variations in air pressure and global winds
Answer: Option D
Explanation:
The variation in the air pressure and global winds are the factors which influence the global winds.
Wind flows from the higher region to the lower region. This does not takes place in a straight line because the earth is rotating.
The variation in air pressure and global winds influences the precipitation globally. The pressure difference affects the precipitation rate globally.
hence, the correct answer is option D
Which pulse point had the strongest pulse? the weakest pulse? why do you think this happened?
The Pulse point with the greatest amplitude is the Common carotid artery and the pulse point with least amplitude is dorsalis pedis artery. Pulse is the pressures that alternate surges (expansion and recoil) in an artery that happens with each contraction and relaxation of the left ventricle. So when the dorsalis pedis had this low amplitude the BP decreases and smooths out when the movement of the blood go farther from the due to elasticity of arteries. Then there is an elevation of blood pressure when you exercise because the greatest amount of cardio output and peripheral resistance.
The pulse point with the greatest amplitude is the carotid artery and the
pulse point with least amplitude is dorsalis pedis artery.
The artery is the blood vessel which carries oxygenated blood away from the
heart. Pulse is felt anytime the heart pumps blood or beats. The carotid
artery has the strongest pulse as a result of factors such as:
Close proximity to the heart Large size.Ther dorsalis pedis artery is found in the foot and has the least pulse in the
body due to it being farthest away from the heart.
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Three bases found on mRNA are called:
Codons are the three bases found on mRNA that specify a particular amino acid in protein synthesis.
Explanation:Codons are triplets of nucleotides on messenger RNA (mRNA) that encode specific amino acids during protein synthesis. Each codon corresponds to one of the 20 amino acids, with some codons generally signalling the start or stop of protein translation.
The genetic code is degenerate, meaning multiple codons can code for the same amino acid. Transfer RNA (tRNA) molecules recognize and bind to codons, delivering the appropriate amino acid to the growing polypeptide chain. This process, known as translation, is fundamental to cellular function, as proteins are essential for the structure, function, and regulation of cells, tissues, and organisms.
NEED HELP biology!
Scientists involved in biotechnology sometimes insert the DNA of one organism into a second organism. Which of the following best explains why they do this?
to cause the second organism to produce proteins
to create new species of organisms
to stop the organisms' gene expression
to make new cell membranes
To cause the second organism to produce proteins. That is your answer
Which of these is a bacterium that is sometimes used to turn milk into different kinds of cheeses?
Summarize what happens during the process of cell division
Final answer:
Cell division in eukaryotic cells involves mitosis, where the nucleus divides, and cytokinesis, splitting the cytoplasm to form two identical daughter cells. It consists of four phases of mitosis: prophase, metaphase, anaphase, and telophase, followed by cytokinesis.
Explanation:
Overview of Cell Division
Cell division is a fundamental process in the life cycle of eukaryotic cells where one cell divides to form two new daughter cells. This process is essential for growth, repair, and reproduction of organisms. The division includes two main stages: mitosis, which is the division of the nucleus, and cytokinesis, which is the division of the cytoplasm.
Mitosis and Cytokinesis
Mitosis occurs in four distinct phases:
Prophase - Chromosomes condense, and the mitotic spindle begins to form.Metaphase - Chromosomes align at the center of the cell.Anaphase - Sister chromatids are pulled apart to opposite ends of the cell.Telophase - Two new nuclei form around separated chromatids.
Following telophase, cytokinesis divides the cytoplasm, resulting in two identical daughter cells, each with a complete set of chromosomes.
A patient with sickle cell crisis will most likely complain of:
When forming the disaccharide maltose from two glucose monosaccharides: (1 point) water is eliminated. a hemiacetal is converted to an acetal. the resulting dissacharide is no longer a reducing sugar. both a and
b. a, b, and c above?
The study of a living being is called biology.
The correct answer to the question is option A.
What are biomolecules?A biomolecule or biological molecule is a loosely used term for molecules present in organisms that are essential to one or more typically biological processes, such as cell division, morphogenesis, or developmentAccording to the question, water is eliminated. When forming a disaccharide from two monosaccharides in a process called condensation, water is eliminated and the resulting disaccharide is no longer a reducing sugar except for the case of maltose and lactose.
Carbohydrates are among the major food substances, they contain carbon, hydrogen, and oxygen.
They are classified into monosaccharides (building blocks), disaccharides (two monosaccharides), and polysaccharides ( a chain of many monosaccharides).
Hence, the correct answer is option a.
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The two dna strands run in opposite directions. what vocab word describes this orientation?
What type of communication occurs when a monkey gives a special, loud cry if it sees a bird of prey that might threaten the troop?
What are the five vital signs that are evaluated in the apgar? heart rate, breathing, muscle tone, color, and reflexes the babinski, moro, stepping, swimming, and grasping reflexes cuddling, startling, irritability, vocal response, and visual response sucking reflex, breathing reflex, size, weight, and disease symptoms?
Whale calves have a high survival rate, with most calves reaching adulthood. However, their aquatic ecosystem contains a limited amount of resources, so uncontrolled exponential growth isn’t possible. Identify the graph that represents the survivorship pattern of whales.
Answer:
The
second graph attached in the
answer shows the survivorship of whales.
The whales follow the K-strategy of reproduction. Therefore, they will typically have a high survivorship. K-strategy reproduction is the production of few offspring, but heavy investment in those offspring to ensure a better chance of survival. Humans for example, usually have one baby at a time, with a long gestation, and a long period of nursing babies and caring for children.
The Identity graph that represents the survivorship pattern of whales is in the second graph. Option B is correct.
What is the aquatic ecosystem?Generally, In contrast to land-based terrestrial ecosystems, an aquatic ecosystem is one that exists in and around a body of water.
In conclusion, because whales calves have a high survival rate, The graph that best represents it will bear likewise infor.
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Alendronate and ibandronate are drugs classified as ______ because they decrease the release of an enzyme that causes bone cell breakdown.
By which process are fossil fuels formed?
Answer:
fossil fuel is formed by anaerobic decomposition.
fossil fuels formed from the decayed of plants and animals through a natural processes.
Explanation:
Fossil fuel is formed over millions of years when the remains of plants and animals are buried within the earth's crust and when subjected to high pressure and heat that have been converted into fossil fuel.
Nonrenewable resource: it cannot be renewed, once they are consumed.
Fossil fuel is an example of nonrenewable source, as they there form from the decay of animals and plants that have lived over millions of year ago and once they are consumed it cannot be renewed.