Answer:
Vagus nerve is the 10th cranial nerve. It is long start from brain and distributed over head, thorax and abdomen.
Explanation:
1. In the salivary gland the secretory and vasodilator effect on afferent nerve is mediated mainly by parasympathetic reflex which is given by vagus nerve.
2. Pyloric sphincter is the part present between the stomach and small intestine which regulate the flow of food particles from stomach to the intestine. Vagus nerve control the activities of pyloric sphincter. Vagus nerve help the pyloric sphincter to relax.
3. Efferent nerves of vagus nerve help the gall bladder to contract. Vagus nerve is stimulating the gastric tract to contract. So the vagus nerve stimulation promotpromotprthe production of CCK hormone and it will lead to the contraction and secretion of hormones from the gallbladder. Those contractions will help the gallbladder to empty the hormones from gallbladder.
4. The efferent nerves of vagus nerves act on the smooth muscles of duodenal papila. As above says it lead to the contraction of smooth muscles and also promote the production of CCK.
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Answer:
insects is a write answer.
Describe ways that water pollution occurs. Describe how greenhouse gases contribute to climate change.
Greenhouse gases are transparent to incoming (short-wave) radiation from the sun but block infrared (long-wave) radiation from leaving the earth's atmosphere. This green house effect traps radiation from the sun and the planet's surface.
what is the significance of t tubules?
Explanation:
The significance tubules are the site of spermatogenesis where germ cell develop into spermatozoa in close interaction with sertoli cells.Answer:
Explanation:
T-tubules are invaginations of the plasma membrane, which are present exclusively in striated muscle. Their role is to maintain the SR calcium store under the tight control of membrane depolarization via the voltage sensor channel DHPR .
In crude oil affect eggs and larvae of fish and increase mortality.
O a.
Hydrocarbon
O b.
PAH
O c.
liquid petroleum
Answer:
its c liquid petroleum 100% surr
After weathering releases the
phosphate from rocks and
sediments, where does it go?
A. directly into the leaves of plants
B. into the atmosphere
C. caught by organisms in the air
D. into the soil
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Answer:
d. into soil
Explanation:
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Which of the following describes a parasite
1 a bear that kills and eats fish?
2 a worm that lives inside a bear.
3 a dish that is killed and eaten.
4 a bear that has worms in its gut
Answer:
2
Explanation:
A parasite is an organism that feeds on the intestine of living organiy
what is the full form of ATP?
Answer:
ATP stands for Adenosine triphosphate, an organic molecule responsible for driving nearly all cellular mechanisms and processes in living organisms. Hence, biologists often refer to ATP as the “energy currency of the cell.”
explain why in the morning plant leaves are moisten
It occurs when there is active absorption of water by roots and transpiration is low i.e. moist and humid conditions. Therefore, guttation generally occurs in the early morning because transpiration is less at that time but water is actively absorbed by the roots.
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Devise an experiment to test the effect of pH on the activity of biological washing powder
Answer:
I think you are nepali yeah but I don't have your question ❓ answer
Many anti-evolutionists believe that since science doesn't have answers for all questions; scientific conclusions are not necessarily correct. This attitude reflects a failure to understand the nature of science. What is the general nature of scientific thinking? In what way is science "self correcting"?
Answer:
In science, accepted theories do not represent absolute truths. A scientific theory is accepted when there is much evidence available that support its statements, but new lines of evidence can modify original presumptions
Explanation:
A scientific theory is a plausible explanation of a particular phenomenon of the natural world, which has been many times tested and verified by using the scientific method. The accepted theories are progressively modified (or even overturned) as new lines of evidence emerge. In consequence, a scientific theory is composed of statements that we consider as truths regarding the available evidence, but we have no absolute certainty that such statements are true. The ability to self-correct is fundamental in science and it happens when we discover that the original statements of a scientific theory were wrong, thereby new lines of evidence allow us to correct the error and/or develop new scientific theories.
which statement describes a process associated with meiosis
Answer:
homologous chromosomes pair up
Answer:
Haploid cells join to form an organism that has a complete set of chromosomes.
Explanation:
plz give a correct answer for the question how do canine and molar differ
Answer:
Canines are the sharp, pointed teeth that sit next to the incisors and look like fangs. Dentists also call them cuspids or eyeteeth. Canines are the longest of all the teeth, and people use them to tear food
Molars are the flat teeth at the rear of the mouth. Each molar typically has four or five cusps. They are used exclusively for crushing and grinding. Wisdom teeth are also called third molars. They erupt from the age of 18 onwards but are often surgically removed.Their function is similar to that of the premolars, to grind, tear, and crush food. Molars have a large flat biting surface which makes them perfect for this job.
Explanation:
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Contrast the usefulness of absolute and relative dating techniques.
Answer:
In relative dating, fossils are dated according to the depth at which they were buried While in the absolute dating, isotopes of carbon are used for dating fossils. The absolute dating is more precise than relative dating because it tells the exact age of the fossils.
9. Which is the SI base unit of mass?
liter
meter
pound
kilogram
Answer:
it's D, KILOGRAM
Answer:
The answer of this question is kilogram
Explanation:
may this answer is helpful for you
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Which allows materials to enter and exit the nucleus?
pore
nucleolus
chromatin
cell wall
Answer:
a pore allows materials to enter and exit the nucleus
What are the types of honey bee?
Answer:
kdjjdndkskkdjckfkfjsjjsjsmslaldjnxjcjc
6. Compare the different measurements of the thermometer which are used.
When thinking about all 4 types of macromolecules discussed, which of the following statements are true? Select all that apply.
Monomers are linked together by hydrolysis.
Monomers are joined together to form functional polymers
Monomers are linked together by dehydration synthesis.
Monomers join together via hydrogen bonds.
Jeremiah is an 10-year-old male who is short in stature. His parents have become concerned as Jeremiah is now wetting the bed, drinking a lot of water, and often appears tired/fatigued. The doctor orders several blood tests after Jeremiah's urine test was positive for glucose and ketones.1. What disease(s) should be ruled out in this patient?2. List the tests that are used to diagnose diabetes.3. List the symptoms of diabetes.
Answer: 2) Tests used to diagnoses diabetes: Oral Glucose Tolerance Test, Fasting Glucose Test, Hemaglobin A1c, Random Blood Suger Test.
3) unexplained weight loss, frequent unination, lethargic, excessive thirst, nausea , and vomititng, increased hunger even though is still eating, blurry vision, bed-wetting in childern who did not do it previously, dry mouth,
Explanation:
What does a botanist study
Answer:
Botany is the scientific study of plants—how plants function, what they look like, how they are related to each other, where they grow, how people make use of plants, and how plants evolved.
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According to cell theory, all new cells...
A. must share DNA with existing cells.
B. must eat.
C. come from other cells.
Answer:
с
Explanation:
all new cells come from other cells
Which species of gymnosperms has reddish cones and strap like leaves that tear up from the harsh desert conditions?
A. gnetum
B. welwitschia
C. ephedra
Answer:
welwitschia
Explanation:
The structure that hotds two chromosomes together until they separate for cett divisionois
1.chromatid .
2.cytoplasm .
3.chromatin .
4.centromere
Determine the correct energy transformations during the generation of electricity from fossil fuels.
A. Heat to Chemical to Electrical to Kinetic
B. Heat to Kinetic to Electrical to Chemical
C. Kinetic to Chemical to Heat to Electrical
D. Chemical to Heat to Kinetic to Electrical
Answer:
D. Chemical to heat to kinetic to electrical
The correct energy transformations during the generation of electricity from fossil fuels are D) Chemical to Heat to Kinetic to Electrical
What converts chemical energy to kinetic energy to electrical energy?
Batteries used in torches, computers, toys, and camera cells, are actually made up of chemical cells which convert the chemical energy from the batteries to the electrical energy required for the devices to work well.
What are the main energy types?Examples of these are light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energy, and so on. Each form can be converted or changed into the other forms.
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Which of the following effectively describes the situation of someone with an inherited predisposition to cancer such a familial adenomatous polyposis or BRCA-associated familial breast cancer?
a) Every cell of their body contains a gain-of-function allele of an oncogene
b) Most cells in their body contain multiple cancer-causing mutations
c) If they get malignant cancer, somatic mutations will not have been a factor
d) Their cancer will most likely arise in their germ cells, not their somatic cells
e) None of the answers effectively describes the situation
f) Every cell of their body contains a defective, loss-of-function allele of a tumor suppressor gene
Answer:
Every cell of their body contains defective , loss of function allele of a tumor suppressor gene
Explanation:
Tumor suppressor genes - They encode Proteins that inhibit cell proliferation . But due to Loss of functional alleles in Tumor suppressor genes it leads to the development of different cancers
Every cell of the body comprises of a defective and loss-of-function allele of a tumor suppressor gene.
The presence of defective and non-functioning tumor suppressor gene is responsible for the happening of cancer disease because the tumor suppressor gene slow down the process of cell division as well as repair mistakes occur in DNA molecule. When the tumor suppressor genes can't perform its function properly, it causes out of control growth of cell, which can lead to cancer disease so we can conclude that tumor suppressor gene is responsible for the cancer disease.
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Lowest to highest degree of internal organization stomach
Answer: Epithelial stomach cell, stomach lining tissue, stomach and then the whole digestive system.
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Gene X always produces the same mRNA (one splice form) and the same protein in all cells in which it is expressed. The same amounts of gene X mRNA and protein are present in brain, kidney, and heart cells. However, the activity associated with the protein is present only in the heart. Which of the following are possible explanations?
a. A splicing factor necessary for removing all of the primary transcript's introns is present only in the heart.
b. A splicing factor necessary for removing all of the primary transcript's introns is present only in the brain and kidney.
c. Protein X is phosphorylated only in the heart.
d. Protein X is phosphorylated only in the brain and kidney.
There are two explanations for this phenomenon: phosphorylation of the protein X in the heart activates its function (Option C) or phosphorylation of the protein X in the kidney and the brain deactivates its function (Option D). Therefore, both Option C and Option D are correct.
Phosphorylation is a posttranslational protein modification that is capable of activating or deactivating protein function.
Phosphorylation alters the three-dimensional structure of a protein, thereby modifying its function (i.e., activate or deactivate the target protein).
Phosphorylation occurs at specific amino acids (e.g., serine and threonine residues) of the target protein.
Moreover, mRNA splicing (RNA processing) occurs before the protein state, it is a transcriptional process. This process consists in removing the non-coding regions or 'introns' from pre-mRNA and subsequent joining protein-coding regions or 'exons' to enable the translation of the mRNA into a protein.
In consequence, in this case, it is possible that 1-phosphorylation of the protein X in the heart activates its function, or 2-phosphorylation of the protein X in the kidney and the brain deactivates its function. Therefore, both Option C and Option D are correct.
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ATP is considered as nature dehydrating agent.what does it means?show with the help of examples
Answer:
that man is mental
Draw the egg and label it
Answer:
What egg?
Explanation:
Answer:
/’‾‾‾`\
/ \
| |
\.____./
