Prostaglandins are not stored in cells and are synthesized just before they are released, rapidly inactivated after their release and they are paracrine substances (Options b, c and e).
Whta are prostaglandins?Prostaglandins are chemical substances that act as hormones by affecting surrounding cells in a tissue.
These substances (prostaglandins) are not secreted by specific glandular organs as other hormones.
Prostaglandins are substances that have fundamental functions for the normal functioning of the body.
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In a multicellular organism, it is cell-to-cell communication that allows the trillions of cells to coordinate activities, including during development and regeneration. The three stages of cellular communication include: reception, transduction, and response. This study determined the key steps of a cell communication pathway involved in salamander limb regeneration. After amputation of a front salamander limb, the severed axons retract within the stump and grow back along the nerve sheath. To elucidate the molecular mechanisms, the researchers set up a series of controlled experiments to determine the events in salamander limb regeneration. Drag the general cell communication steps of the regeneration experiment into the correct order.
The process of amputation will interfere with the ability of cells to communicate with each other.
What is cell to cell communication?The body of whole multicellular organisms have a lot of cells which are differentiated hence they perform diverse functions. The essence of cell differentiation is to allow different cells to perform different functions.
The question is incomplete hence we can not give here the process of cell regeneration. However, we know that the process of amputation will interfere with the ability of cells to communicate with each other.
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The end of the muscle that is attached to a bone or other structure that will move during contraction is called the ____________ .
Answer:
Tendon
Explanation:
is it 0.05, 0.04, 0.15 and 0.80
Answer:
No
Explanation:
I have 0.04 cents, you have 0.05, Mom has 0.15, and dad has 0.80
Which statement BEST describes what happens during the S-phase of the cell cycle?
A.Protein synthesis needed for spindle formation and mitosis.
B.DNA replication where the amount of genetic material is doubled.
C.The cell partitions the two copies of genetic material into the two daughter cells.
D.Cell division occurs and two cells are left; thus the cell cycle begins again.
Answer:
B
Explanation:
The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells.
How can you determine the cell cycle stage of a plant cell?.
Answer:
based on measurement of cellular DNA content.
Explanation:
spring tides happen 2 times each month at the ___ and __ phases.
neap tides happen 2 times each month at the ___ and __phases.
answers?
This is defined as the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon
and sun.
The Spring tides occur during new and full moon phases while the Neap tides occur during the first and third quarter moon phases.
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Explain the environmental benefits of recycling paper products.
No links please
Answer:
Paper recycling saves natural resources, saves energy, reduces carbon dioxide emissions, and keeps landfills free for other types of waste that cannot be recycled. Recycling
1 ton of paper saves 17 trees, 7,000 gallons of water, 380 gallons of oil, 3.3 cubic feet of landfill space, and 4,000 kilowatts of energy. Greenhouse gas emissions Carbon equivalent (MTCE).
Explanation:
Proteins that use energy from ATP hydrolysis to change the locations and compositions of nucleosomes are called ATP-dependent___complexes.
Answer:
Chromatin-remodeling
Explanation:
In eukaryotes, DNA is tightly wound into a complex called chromatin. Thanks to the process of chromatin remodeling.
Chromatin-remodeling complexes use energy from ATP hydrolysis to alter the arrangement of nucleosomes, making the DNA more accessible to other proteins.
The table shows nine substances tested for biomolecules. Which substance contains protein and starch?
Answer:
soaked beans
Explanation:
iodine solution is used for testing for starch and it says its positive (+). Biuret solution tests for proteins and also says its positive. So basically you had to look at the columns and see which one had a + sign for both iodine and biuret. Both are present in soaked beans
The presence of freckles (f) is dominant to no freckles (f)
Ff, Ff, Ff, Ff
Freckles : 100%
No freckles: 0%
How many oxygen molecules can one hemoglobin carry.
Answer:
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.
Answer:
Oxygen binds reversibly to harem, so each hemoglobin molecule can carry up to four oxygen molecules. Hemoglobin is an allosteric protein; the binding of oxygen to one harem group increases the oxygen affinity within the remaining harem groups.
Match each event of mitosis to the stage in which it occurs
Explanation:
their is an active cell division
The process where a virus takes a segment of DNA from one bacterial cell and inserts it in another bacterial cell is known as?
Answer:
during conjugation, DNA is transferred from one bacterium to another. After the donor cell pulls itself close to the recipient using a structure called a pilus, DNA is transferred between cells.
Explanation:
hope this helps you;)
Answer:
the answer is conjunction
During the systole phase of the cardiac cycle, the left ventricle contracts and blood is pumped into the aorta. Which of these valves prevents a backflow of blood into the left atrium?
What is the largest of the cranial nerves and the most important sensory nerve of the face?.
Answer:
The Trigeminal Nerve
Explanation:
The largest of the cranial nerves and most important sensory nerve of the face is the trigeminal nerve (letter C).
How does the carbon dioxide necessary for photosynthesis enter plants? a. through their roots b. through openings in the leaves called stomata c. the plants produce their own complete supply d. none of the above please select the best answer from the choices provided a b c d
The process by which plants make their own food is called photosynthesis. The raw materials of it are carbon dioxide coming from stomata, water and sunlight.
What is stomata?Stomata is the opening for gaseous exchange and transpiration, present in epidermis of leaf.
Stomata are provided by two guard cells, which shrink and swell in order to open or close the stomatal pore respectively.
The carbon dioxide necessary for photosynthesis enter plants through these openings called stomata.
Thus, option b is correct.
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Which of the following is an example of a PHENOTYPE?
Answer:
Curly hair would be a type of phenotype
Explanation:
A phenotype is something you could inherit from someone in your family. Curly hair can be something that is maybe inherited throughout the generations.
Describe how FH is inherited
It is a dominate disorder so that means
A theory differs from a hypothesis in that a theory:.
Answer:
A theory is a thought or calculated idea about a possible change in a topic, while a hypothesis is an educated guess.
i need hel at science quick ASAP
Answers:
D) According to the graph, obesity and diabetes are intertwined, which could be why obesity and diabetes are linked.
E) Diabetes had the greatest rise in prevalence in 1997 until 2000, with prevalence percentages between about 76% to 78%.
Explanation: Explanation for these answers are below:
D) Looking at the graph, obesity and diabetes had similar prevalences in 1997 and 1998, and started to part ways a little in 1999. In fact, even without the graph, scientists have known for a long time that people who have obesity also have diabetes. This graph supports that claim because of how closely linked diabetes and obesity are and how similar the prevalence percentages are.
E) Diabetes had the greatest rise in 1997 to 2000, which had a 78% prevalence by 2000. Obesity had very similar prevalence percentages from 75.5% to 77% in 1997 to 2000.
Which portion of a neuron contains all of the organelles?.
Answer:
dendritic processes and spines
Explanation:
Which of the following describes molusca?
A. a process in which molecules pass through a semi-permeable membrane from a less concentrated solution to a more concentrated solution
B. the phylum name for organisms that have a relatively simple body structure, which is evidence of their place in the early evolution of life
C. relationships in which plants or animals of different species may be dependent on one another for survival
D. a porous marine invertebrate who pulls water through its soft body in order to obtain oxygen and nutrition
Answer:
I belive that the answer is B
Explanation:
a and d are definately not it. Molusca sounds like a phylum name to me. Sounds very similar to mollusks.
What do you notice about each beaker?
Answer:
The less sugar added into mixture, the less volume of mixture and less inflated the balloon becomes
Explanation:
The three main types of food molecules are carbohydrates, proteins and fats.
a) For each of these substances, give three examples of foods and where you would find them.
b) State what each substance is used for in the body.
what part of the brain controls body tempertaure and coordinates cardiovascular, respiratory, digestive, excretory functions
Answer:
Hypothalamus
Explanation:
what energy does burning a match put off
Why can we not see the South Pole-Aitken basin from Earth? The crater is too small to see from Earth. The moon rotates too fast to see any surface features. The crater is on the far side of the moon, which we cannot see. The sun never shines on that side of the moon, so the crater is always in shadow. Why can we not see the South Pole-Aitken basin from Earth? The crater is too small to see from Earth. The moon rotates too fast to see any surface features. The crater is on the far side of the moon, which we cannot see. The sun never shines on that side of the moon, so the crater is always in shadow
Answer:
i Believe its D. :D
Explanation:
Hope this helps :p
the root of sweet potato is modified in the form of tuber why
Answer:
to store food and water so it can survive.
Explanation:
it's to store food for itself.
Additional vascular tissue produced as secondary growth in a root originates from which cells?.
Answer:
The vascular cambium produces new vascular tissue and is responsible for most of the radial expansion of stems and roots.
Explanation:
Does this answer your question???
Additional vascular tissue produced as secondary growth in a root originates from Vascular cambium cells.
What is secondary growth?
Secondary growth happens in the vascular cambium of those plants, that is a skinny layer of tissue containing actively dividing cells. The vascular cambium is a meristematic tissue that develops among the stem's number one xylem and number one phloem.
The Vascular Cambium and Secondary Growth. The vascular cambium and cork cambium are secondary meristems which can be fashioned in stems and roots after the tissues of the number one plant frame have differentiated. The vascular cambium is accountable for growing the diameter of stems and roots and for forming woody tissue.
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How long does a koala joey stay in its mom’s pouch after birth?.
Answer:
Six months :D
Explanation: