A hormone signals through a G protein-coupled receptor as shown in the diagram. After the production of IP3, which of these events will MOST quickly stop the transduction of the signal?
A. the hydrolysis of IP3
B. the hydrolysis of GTP
C. the hydrolysis of PIP2
D. the hydrolysis of the hormone
Answers
Answer: The answer is A
Explanation: Took the test lol
The quickest halt to the signal transduction process after IP3 production occurs through the hydrolysis of IP3 itself, as option A.
The hydrolysis of IP3 results in the quickest termination of the signal transduction pathway among the available alternatives. A series of actions are triggered by IP3, which causes the release of calcium ions from intracellular reserves. IP3 is hydrolyzed by phosphatases, which halts the calcium release and prevents protracted signaling.
Even while the hydrolysis of GTP and PIP2 is a necessary step in the cessation of G protein-coupled receptor signaling, it happens later and does not have the same rapid effects as IP3 hydrolysis. The hormone's own breakdown is not a known mechanism for halting signal transmission.
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Related Questions
Which statement correctly describes fertilization? (1 point)
Fertilization is the process in which the zygote undergoes mitosis and forms a group of cells.
O Fertilization is the process in which male and female gametes fuse and form a fertilized egg.
Fertilization is the process in which the embryo develops a fluid-filled sac for protection.
O Fertilization is the process in which male and female gametes shift to align with the birth canal.
Answers
Answer:
B
Explanation:
Fertilization is the process in which male and female gametes fuse and form a fertilized egg. The correct option is B.
What is the process of fertilization?During fertilization, sperm and egg combine to form a zygote in one of the fallopian tubes.
The zygote then travels down the fallopian tube and develops into a morula. The morula develops into a blastocyst once it reaches the uterus.
The blastocyst then burrows into the uterine lining, which is referred to as implantation.
The sperm binds to the secondary oocyte via the corona radiata, a layer of follicle cells on the outside of the oocyte.
Fertilization is divided into three stages: sperm capacitation and acrosome reaction, sperm-egg binding and fusion, and cortical reaction and oocyte activation.
In a nutshell, sperm capacitation takes place in the female genital tract and prepares sperm cells for the acrosome reaction.
Thus, the correct option is B.
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as the ball falls back toward the floor, it's____energy increases and its_____decreases
Answers
Answer: as the ball falls back toward the floor, it's kinetic energy increases and its gravitational potential energy decreases
Answer:
As the ball falls back toward the floor it’s kinetic energy increases and it’s potential
Explanation:
Which forms of transport across a cell membrane do NOT require the use of ATP?
Answers
Passive transport is the movement of substances across the membrane without the expenditure of cellular energy.
Plz help I need help
Answers
Answer:
D
Explanation:
Studied this recently.
HELP
The carbon cycle is a cycle among the carbon reservoirs. What is a carbon reservoir and what are at least 3 examples?
Answers
Answer:
The reservoirs are the atmosphere, the terrestrial biosphere (which usually includes freshwater systems and non-living organic material, such as soil carbon), the oceans (which includes dissolved inorganic carbon and living and non-living marine biota), and the sediments (which includes fossil fuels).
Explanation:
Hope this helps...
Four students are discussing heat, thermal energy, and temperature. Claire says temperature indicates the amount of heat in an object. Hazel states that heat is a transfer of energy. Connor says that, if two objects have equal masses, the hottest object has the most thermal energy. Evan disagrees. He says that, if two objects have equal masses, the hottest object has the most heat.
Answers
Answer:
Claire and Conner are correct
Explanation:
trust me.....
Among the four students, Hazel and Connor are correct in their statements. Heat is indeed a transfer of energy, as stated by Hazel. Similarly, Connor is right in saying that if two objects with equal masses are compared, the hottest object possesses the most thermal energy. Thus, correct option is (d).
Hazel is right when she says that heat is the thermal energy that is transferred between objects when there is a temperature difference. This is a cornerstone idea in thermodynamics. The claim made by Claire is untrue because temperature really measures the average kinetic energy of an object's molecules rather than the quantity of heat it contains.
The idea that thermal energy, which is connected to the kinetic energy of particles in an object, rises with temperature is supported by Connor's assertion. Consequently, the object with a greater temperature does actually have more thermal energy when two things have equal masses.
Evan's argument against Connor's assertion is unfounded. Temperature measures the intensity of heat, not the overall amount of thermal energy. Therefore, the correct pair of students are Hazel and Connor (option d).
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The given question is incomplete, complete question is- "Four students are discussing heat, thermal energy and temperature. Claire says temperature indicates the amount of heat in an object. Hazel states that heat is a transfer of energy. Connor says that, if two objects have equal masses, the hottest object has the most thermal energy. Evan disagrees. He says that, if two objects have equal masses, the hottest object has the most heat.Which students are correct?
a) Claire and Evan
b) Claire and Connor
c) Hazel and Evan
d) Hazel and Connor"
what is the historical evidence on file for fossils
Answers
Answer:
Fossils are crucial evidence for evolution because they demonstrate how life on Earth used to be different from how it is now. Paleontologists can use radiometric dating to estimate the age of fossils and categorize them to discover the evolutionary connections between creatures.
Which of the following individuals may be required to undergo HIV testing? a) Employees of a small business with limited health insurance resources b) A technician at an HIV testing lab c) A convicted sex offender d) A nurse applying for a job at a hospital
Answers
Answer:
c) A convicted sex offender
Explanation:
HIV testing is mandatory in the U.S. in certain cases, including for: blood and organ donors, military applicants and active duty personnel, federal and state prison inmates under certain circumstances and newborns in some states.
PLEASE HELP QUICK
in which kingdom are the cells of all organisms autotrophic?
A. bacteria
B. protista
C. fungi
D. plantae
Answers
James Bond is kidnapped and placed on the floor of a moving
train. He can see only the night sky through the windows.
Using the Big Dipper, he locates Polaris. Over the course of
the night he notices the altitude of Polaris is decreasing.
What direction is he being taken?
Answers
Answer:
Down
Explanation:
Altitude refers to how high above the ground you are. If this decreases, you are going down
Item 1
Oxygen is taken into the body from the environment, and carbon dioxide is removed from the body and released into the environment. Which
body system is responsible for exchanging gases with the environment? ( point)
A.endocrine
B.circulatory system
C. respiratory system
D. nervous system
Answers
Answer:
The correct answer would be in this case C) respiratory system. It is the main source where the process of gas exchange occurs, taking in oxygen and breathing out carbon dioxide into the rest of our surrounding environment.
The respiratory system is responsible for the exchange of gases with the atmosphere. So the correct option is C.
What is the respiratory system?
The network of organs and tissues that aids in breathing is known as the respiratory system. It consists of your blood vessels, lungs, and airways. The respiratory system also includes the muscles that propel your lungs. Together, these components help the body circulate oxygen and eliminate waste gases like carbon dioxide.
The respiratory system serves a variety of purposes. In addition to assisting with inhalation and exhalation, it:
Enables you to speak and smell.Raises the temperature of the air to that of your body and adds moisture to it to the proper degree of humidity.Provides your body's cells with oxygen.When you exhale, waste gases from your body, including carbon dioxide, are removed.Shields your airways from irritants and dangerous chemicals.
Therefore the correct option is C.
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Bacteria for these three.
Morphology and arrangement?
Answers
Answer:
There are three basic shapes of bacteria: coccus, bacillus, and spiral. Based on planes of division, the coccus shape can appear in several distinct arrangements: diplococcus, streptococcus, tetrad, sarcina, and staphylococcus. The bacillus shape can appear as a single bacillus, a streptobacillus, or a coccobacillus.
Explanation:
Hope this helps.
Beaker A contains 6 liters of water and 1 osmole of glucose. Beaker B contains 10 liters of water and 2 osmoles of glucose. Which one has the greater osmolarity and by how much?
Answers
From the ratio of glucose osmole to the volume of water in the two beakers, beaker B would have the greater osmolarity.
The term osmolarity refers to the number of particles of solutes or osmoles of substances per liter of solution.
In this case, the osmolarity of beaker A can be calculated as;
1 osmole/6 liter
= 0.167 osmolar
The osmolarity of beak B can be calculated as:
2 osmoles/10 liter
= 0.2 osmolar
Thus, beaker B with 0.2 osmolar has the greater osmolarity when compared to beaker A with 0.167 osmolar.
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Answer: B
beaker A is 0.16 Osm/L and Beaker B is 0.2 Osm/L Beaker B has a greater osmolarity by 0.04 Osm/L
Explanation:
What is the name for a complex, organized group of organisms?
Answers
A triplet of bases in a template strand of DNA is CAG. What would be the corresponding codon for mRNA?
GTC
GUC
OGTU
GUU
Answers
In a DNA molecule, which of the following forms a base pair with cytosine?
O A. Cytosine
OB. Thymine
O C. Guanine
O D. Adenine
Answers
Answer:
Its a
Explanation:
THANK YOU IN ADVANCE NLANG
so who is all virtual
Answers
Answer:
Me
Explanation:
i rather be in person
What are proteins and how do you detect them ?
Answers
Answer:
Immunological-based methods such as quantitative enzyme-linked immunosorbent assays (ELISA), Western blotting and dot blotting are very common and sensitive assays for protein detection, and they use antibodies that react specifically with entire proteins or specific epitopes (e.g., fusion tags) after cell lysis.
Scott suffers from narcolepsy. He suddenly collapses in sleep at random moments, but his daughter, Tricia, is always there to help him. How might Scott's
narcolepsy affect Tricia?
a. Narcolepsy is thought to be hereditary, so Tricia has the potential to suffer from narcolepsy as well.
b. Narcolepsy is thought to be a learned behavior, so Tricia may learn narcolepsy from her father.
c Narcolepsy is thought to be contagious through a particular pathogen, so Tricia might be exposed to that same pathogen and become narcoleptic.
d. Narcolepsy will in no way affect Tricia, other than the help she will need to provide for her father.
Answers
Answer:
D
Explanation:
Narcolepsy has no pattern of inheritance.
Narcolepsy is thought to be a learned behavior, so Tricia may learn narcolepsy from her father. Thus option D is correct.
What is narcolepsy ?Narcolepsy is a type of sleeping disorder is characterized by severe and persistent daytime sleepiness which can cause impairments in school, work, and social settings.
Narcolepsy affects hundreds of thousands of Americans both children and adults, the symptoms include excessive daytime sleepiness (EDS), where the brain is unable to regulate wakefulness and sleep.
Other symptoms are rapid eye movement (REM) sleep, this sleep irregularly begins within minutes after falling asleep.
It can be up two types Types such as narcolepsy type 1 (NT1) and type 2 (NT2); NT1 is associated with cataplexy, which means sudden loss of muscle tone.
NT1 can be diagnosed with the low levels of hypocretin-1; NT2 was otherwise known as narcolepsy without cataplexy do not have cataplexy or low levels of hypocretin-1.
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The Sun is the primary source of energy that drives all the biogeochemical cycles on Earth. Which statement best describes how the Sun’s energy powers the water cycle?
A.
Plants require energy from the Sun to perform photosynthesis.
B.
The Sun's heat reflects off ice sheets near the polar caps, reducing the overall temperature of Earth.
C.
Heat from the Sun drives evaporation, turning water on Earth's surface into water vapor.
D.
Energy from the Sun provides the warmth necessary for cold-blooded animals to survive.
Answers
Answer: A
Explanation:
Answer:
C) Heat from the Sun drives evaporation, turning water on Earth's surface into water vapor.
Explanation:
The question is discussing water cycle, so the answer must be something to do with water. Option A talks about to photosynthesis in plants, which is not directly related to the water cycle. Option B discusses earth temperature, which is again not related to the water cycle. Finally, option D talks about the living requirements for cold blooded, again not related to water cycle. That leaves option C.
How does water pass through the cell membrane using passive transport
Answers
Answer:
Hope it helped you brainiest plz and thank you have a great day!!!
Explanation:
How does water pass through the cell membrane using passive transport?
It pass through the passive transport by the simple diffusion of water which can make it simple for a cell membrane to go through.
Which of the following statements is NOT TRUE about photosynthesis and cellular respiration? (B.9B)
Question 19 options:
Both processes require energy
Both processes occur in the mitochondria
The chemical equations for the processes are opposite of each other.
Photosynthesis occurs in plants; cellular respiration occurs in plants and animals.
Answers
Answer:
Both processes require energy cuz respiration produces energy
Explanation:
The statement that is not true is that both processes occur in mitochondria as photosynthesis happens in chloroplasts. So the correct option is B.
What is cellular respiration in plants?While oxygen is needed for plant respiration, carbon dioxide is also released during the process. Plants, unlike people and other animals, don't have any specific structures for the exchange of gases, but they do have stomata (found in leaves) and lenticels (found in stems) that play a part in it. Compared to people and animals, leaves, stems, and plant roots respire slowly.
Respiration is distinct from breathing. Breathing is a phase in respiration that is completed by both humans and animals. Plants breathe differently through a process called cellular respiration, which they engage in throughout their whole existence since the plant cell needs the energy to survive.
Plants produce glucose molecules during this process of cellular respiration by using photosynthesis to absorb solar energy and transform it into glucose. Several real-world experiments show that plants can breathe. To provide their cells the energy they need to function and stay alive, all plants breathe.
Therefore the correct option is B.
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Label strands of DNA
Answers
There are no directions…
Which macromolecule should the team try to isolate from the bacteria?
Answers
Answer:
A protein that specifically binds lipids or oils
Explanation:
Where are the protein complexes of the electron transport chain found ?
Answers
Answer:
mitochondria
Explanation:
The electron transport chain is located in the mitochondria
why do pickles spoil in rainy season
Answers
Answer:
Why do pickles spoils in the rainy season? Pickles spoils in the rainy season because in the rainy season, the moisture content is high in the atmosphere. This high moisture content promotes the growth of microbes or infectious organisms.
Explanation:
what may happen to a farmer’s whole crop if a new pathogen (disease) arises
Answers
Name this organism?
Is this organism prokaryotic or eukaryotic?
Answers
Answer:
Prokaryotes
Explanation:
Prokaryotes are organisms that consist of a single prokaryotic cell. Eukaryotic cells are found in plants, animals, fungi, and protists. They range from 10–100 μm in diameter, and their DNA is contained within a membrane-bound nucleus.
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the mantle is composed primaraly of?
Answers
Answer:
The mantle of the earth is made mostly of solid rock
Which cell is capable of mitosis:
O a. fibrocytes
b. adipocytes
O C. chondrocytes
d. osteoblasts
e. osteoclast
Answers
Answer:
Osteoclast
Explanation: