Answer:
Sorry i dont know
Explanation:
triggering of the muscle action potential occurs after
Triggering of the muscle action potential occurs after Ach binds to chemically gated channels in the motor end plate membrane. Acetylcholine (Ach) is a neurotransmitter produced by nerve cells.
An action potential is an electrical signal that travels along the cell membrane as a wave.
This action potential (muscle action potential) drives the contraction of muscle fibers.
When the action potential reaches the neuromuscular junction (i.e., the motor end-plate), acetylcholine (Ach) is released into the synaptic cleft.
Subsequently, Ach can bind and open specific channels localized on the surface of the muscle cells, thereby depolarizing them and triggering muscle contraction.
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Which example(s) of cell transport do/does not require chemical energy?
A.
Drops of blue food coloring are placed in water and spread throughout the water, turning it blue.
B.
A potato slice is placed in water and water molecules from inside the potato move into the surrounding water.
C.
both A and B
D.
neither A nor B
Answer:
C
Explanation:
Because osmosis(B) this is where water moves from a high concentration to a low concentration across a partially permiable membrane( No energy required). Whereas in diffusion (a) this is the net movement of particles from a region of a high concentration to a region of a low concentration. This stops when the region is evenly spread. (No energy is required)
The cell transport which takes place in food coloring, potato slice is concentration gradient. This type of cell transport does not need energy. Thus, the correct option is C.
What is Cell transport?
Cell transport is the transport of molecules through the cell membrane. Transport of substances through the membrane takes place through osmosis and diffusion.
The diffusion of substances can be active or passive on the basis of requirement of energy. The passive mode of transport does not require energy as the movement of substances occurs down the concentration gradient from high concentration to low concentration. Whereas, in active transport energy is required in the form of ATP as the transport occurs against the concentration gradient from low concentration to high concentration.
Therefore, the correct option is C.
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Plane joints are the only type of synovial joint not featured in the Concept Map. Which of the following describes their range of motion?
A. A plane joint is non-axial and allows for gliding motion.
B. A plane joint is uniaxial and allows for flexion and extension.
C. A plane joint is biaxial and allows for abduction and adduction.
D. A plane joint is multiaxial and allows for motion in all axes.
Answer:
Plane joints are the only type of synovial joint not featured in the Concept Map. Which of the following describes their range of motion? A plane joint is non-axial and allows for gliding motion
why is the digestion of starch to glucose necessary
Answer: The fundamental sugar unit for carbs is usually glucose. To address your question, starch digestion is required because enzymes and transport molecules require tiny, regular molecules to work with, and glucose is the foundation of most carbohydrate metabolism.
Explanation:
Answer:
The molecule of starch is too large and complex to enter a cell and therefore, it cannot be ingested directly. It is important to break down the bigger molecules of starch into smaller and simpler molecules of glucose so as to perform the process of glycolysis.
Explanation:
The process of glycolysis happens at a cellular level where glucose molecules are further broken down and utilized as energy to carry on various other cellular processes. The process of glycolysis happens in two stages namely:Energy requiring stage:Step 1: Glucose phosphorylation where a molecule of phosphorus is added to the glucose ring.Step 2: Energy releasing phase where the molecule of glucose-6-phosphate is converted to fructose-6-phosphate. Step 3: involves the phosphofructokinase reaction where fructose-6-phosphate is converted into fructose1,6-biphosphate.Step 4: involves an enzyme aldolase which converts the FBP into 23 carbon isomers.Step 5: involves the formation of glyceraldehyde-3-phosphate.Energy releasing stage: It breaks down glyceraldehyde-3-phosphate to pyruvate releasing 4 ATP and 2 NADP for cellular processes.For more information:
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A ____________ is neither a plant, animal or bacteria but causes trouble to all living things.
Answer:
I say that fungi makes more sense, so a fungi is neither a plant, animal or bacteria but causes trouble to all living things.
Explanation:
Since fungi don't classify as plants and are more complex than bacteria's, as they obviously aren't animals.
starting with parent material list steps that lead to formation of an a-horizon
Answer:
Explanation:sequence copy the graphic organizer below. starting with parent material, list steps that lead to the formation of an a-horizon
Help please! Q: Location Three: Select three events that you predict will be observed. If I explore two continental plates at a transform boundary, then I will observe:
A: earthquakes
B: faults
C: ocean formation
D: mountains
E: volcanoes
F: island chains
G: seafloor spreading
Answer:
Earthquakes, Faults, and Island chains.
Explanation:
There are three types of plate boundary such as Constructive, destructive and transform plate boundary. The primary landform in the Transform boundary are faults which is caused by the Earthquakes. Many transform boundary landforms are in the ocean floor which is responsible for the island formation. Fault is found due to the two process such as Ridge push and ridge pull. Transform boundary neither creates and nor destroys any land in the region.
2. Which structures must be present in a cell for osmosis to take place?
A. Cell (sap) vacuole and cell wall
B. Cell wall and cell membrane
C. Chloroplast and cytoplasm
D. Cytoplasm and cell membrane
D- Chloroplast and cell membrane
Which of the following best describes a benefit of one type of nonrenewable energy?
Natural gas does not produce greenhouse gases as other energy sources do.
Coal deposits are found on nearly every continent and mining coal poses few risks.
Nuclear power increases water vapor in the atmosphere.
Petroleum is relatively inexpensive compared to other forms of energy.
Answer:
d
Explanation:
Answer:
Petroleum is relatively inexpensive compared to other forms of energy.
Explanation:
Niche-
Describe a specific organisms niche found in the Gobi Desert
Answer:
Desert Niches
Adaptations include a species' selection of food, water and shelter as well as other facts of its behavior. Niches within desert ecosystems include open desert scrub, open grasslands, washes and sandy soils.
Explanation:
In bakery when _______ is added to the dough for preparing bread, the dough rises
Answer:
Yeast
Explanation:
yeast causes dough to rise when combined.
please mark me as brainliest
what do all craniates have that earlier chordates did not have?
Answer:
partial or complete skull
Explanation:
My parents have made me do online flashcards as studying and that was one of the questions
Which three questions that the student might be asking can be answered using
science?
A. Should I have an egg for breakfast, or oatmeal?
B. What chemicals were in the food of the chicken that laid this egg?
C. Is it wrong to eat a chicken egg?
D. How many eggs can a chicken lay in one day?
E. How strong is the shell that covers an egg?
Answer:
B, D, and E
Explanation:
Metamorphic rocks are common when two continental plates collide because There is a lot of stress when enormous slabs of crust push together Sediment buries rocks to increase pressure O Magma bodies are common because there is a lot of melting O All of these
Answer: Metamorphic rock, estimated to be as old as 3.8 billion years, located near Isua at Qorqut Sound, Greenland.In the rock cycle, there are three different types of rocks: sedimentary, igneous, and metamorphic. Sedimentary and igneous rocks began as something other than rock. Sedimentary rocks were originally sediments, which were compacted under high pressure. Igneous rocks formed when liquid magma or lava—magma that has emerged onto the surface of the Earth—cooled and hardened. A metamorphic rock, on the other hand, began as a rock—either a sedimentary, igneous, or even a different sort of metamorphic rock. Then, due to various conditions within the Earth, the existing rock was changed into a new kind of metamorphic rock.
The conditions required to form a metamorphic rock are very specific. The existing rock must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid. Usually, all three of these circumstances are met. These conditions are most often found either deep in Earth’s crust or at plate boundaries where tectonic plates collide. In order to create metamorphic rock, it is vital that the existing rock remain solid and not melt. If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock.
Explanation:
Which of these is a biotic factor?
topography
soil
air
bactiria
need an answer now explain answer the 1-4 questions
4. True or false; the tibialis longus and brevis muscles are found on the
lateral side of the leg.
Answer:
True I think
Explanation:
Pls correct me if I am wrong.
bonjour , c'est a rendre pour demain , pourriez vous m'aider ?
Answer:
It's way too easy to be on here
Explanation:
what is the function of the chloroplasts
Chloroplasts are the organelles that contain the chlorophyll pigment, which is essential for the good-making process of photosynthesis.
Which of the following biological molecules
are composed of the elements C, H, O, N and
S?
carbohydrates
nucleic acids
proteins
lipids
Answer:
protein
Explanation:
because carbohydrate ..nucleic acids protein
Biological molecules are large molecules made of various elements and compounds linked together. Proteins are composed of C, H, O, N, and S. Thus, option C is correct.
What are proteins?Proteins are considered macromolecules that are large in size and are polymers composed of various units of amino acids linked together by peptide bonds. They are involved in various activities and structural functions in the body.
The chains of various amino acids linked together make the protein molecule. The amino acids involved in the structure are composed of various elements that include, hydrogen, carbon, oxygen, nitrogen, and sulfur in various combinations. The amino acids contain amine, carboxylic acid, and other variable groups.
Therefore, option C. proteins are made of monomers of amino acids.
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1. Ai là người đã đặt nền móng cho di truyền học
A. Men đen
B. Moocgan
C. Newton
D. Anhxtanh
Explanation:
here your answer
pls follow and make me as brainlist
what is the effect of water temperature on corals from inshore and offshore reefs?
Answer:
When the water gets too warm, the algae can no longer live inside corals, so they leave. The corals then turn from green to white, called coral bleaching. Climate change has been causing the Earth's air and oceans to get warmer. With warmer oceans, coral bleaching is becoming more widespread.
Explanation:
When the water temperature rises too high, algae can no longer live inside corals and leave. Coral bleaching occurs when the corals turn from green to white.
What are coral reefs?A coral reef is an underwater ecosystem characterized by corals that build reefs. Reefs are made up of coral polyp territories hosted along by calcium carbonate.
The vast bulk of coral reefs are mainly composed of stony corals, which have polyps that coalesce together.
Coral reefs grow in shallow water with temperatures ranging from 68° F to 97° F. The Indo-West Pacific biogeographic region contains more than 90% of the world's coral reefs.
When the temperature of the water rises too high, algae can no longer live inside corals and must leave. Coral bleaching occurs when corals alter color from green to white.
The Earth's air and oceans are becoming warmer as a result of climate change. Coral bleaching is becoming more common as the oceans warm.
Thus, this is the effect of water temperature on corals from inshore and offshore reefs.
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1 pts Question 3 The transfer of glucose into a cell does not require ATP. What type of transport supplies a cell with glucose?
O exocytosis
O osmosis
O passive transport
O active transport
Answer:
A exocytosis
Explanation:
got it right on quiz
75 grams of salt are added to 100 ml of water. What is the concentration of the solution? *
Answer:
look at the photo I have sent
ILL MARK BRAINLIEST!Geothermal energy is possible where there is….
A.wind
B.boil
C.coal
D.magma
Answer:
D. Magma
Explanation:
geothermal basically means they're pulling energy from the beneath the earth's trying to get heat to convert, and magma is hot, so i would assume that D would be the best answer
Glycogen is a complex carbon hydrates found in animals true or false?
Answer:
true
Explanation:
Explanation:
i think true i think please mark me brainlist thank you
chromosomes tightly coiled structure enables them to be properly segregated during:
Answer:
cell division
Explanation:
May I know the explanation why the correct answer is C ?
Answer:C
Explanation:
Because the effect of temperature is equal
Hope it will help you .
how does the colour of star help to find its age
Answer:
As stars age, they run out of hydrogen to burn, decreasing the amount of energy they emit. Thus, younger stars can appear bluer while older ones appear more red, and in this way, a star's color can tell us something about that star's age.
Explanation:
A cell wall is ___ found in plant cells