The action potential causes information to be transmitted from the axon of the first neuron (presynaptic neuron) to the dendrites or cell body of the second neuron (postsynaptic neuron) by secretion of chemicals called neurotransmitters.
How do synaptic transmissions occur?Synapse is the junction between neurons where information gets exchanged.The axon of the presynaptic neuron does not actually touch the dendrites of the postsynaptic neuron and is separated from them by a space called the synaptic cleft. Stimulation of the presynaptic neuron to produce an action potential causes the release of neurotransmitters into the synaptic cleft.Neurotransmitters are stored in small vesicles located in knoblike structures on the axon tips.Most of the released neurotransmitters bind with molecules at the receptors on the dendrites of the postsynaptic neuron.The combination of the neurotransmitter molecules to receptor cell molecules in the postsynaptic cell membrane produces a change of potential in the postsynaptic cell membrane called the postsynaptic potential (PSP).Thus a signal is caused on a postsynaptic neuron.Learn more about neuron here:
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Help ASAP
Please select the word from the list that best fits the definition
______ is measured in half-lives
- remains
- fossils
- mold
- hard
- missing layer
-trace
- radioactive decay
- carbon - 14
What is the best definition of physical science?
O a general survey of all science
O the study of matter and energy, and the relationship between matter and energy
O the study of rocks, minerals, and resources
O the study of the environment and interaction between living things
What is your definition of the word biochemistry?
Answer:
the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
Explanation:
Which electrolyte are we referring to if they have a role in maintaining fluid balance, are part of the bone mineral complex, contribute to energy production, and are part of the cell membrane
Phosphorus
What are the functions of phosphorus in human body?
The most prevalent mineral in the body after calcium is phosphorus. Together, these two vital nutrients help to develop healthy bones and teeth. Bones and teeth contain the majority of the body's phosphorus—about 85%. In lower concentrations, phosphorous is also found in the body's cells and tissues. Phosphorus plays a crucial part in how the body stores and uses energy and aids in the kidneys' ability to filter out waste. It also lessens post-workout muscle aches. All tissues and cells require phosphorus for their growth, upkeep, and repair, as well as for the synthesis of DNA and RNA, the genetic building blocks. In order to use and balance other vitamins and minerals, such as vitamin D, iodine, magnesium, and calcium, phosphorus is also required.
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The cell in this part of a plant transport water and nutrients throughout the plant. what is the most likely structure of specialized cells whose function it is to transport water and nutrients throughout a plant
The xylem is a plant structure (tissue) used to transport water and minerals.
What is the xylem?The xylem is a plant tissue that transports water and dissolved micronutrients in higher plants.
Moreover, the phloem is another vascular plant tissue specialized to transport foods produced by the leaves during photosynthesis.
In conclusion, the xylem transports water and minerals.
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The most likely structure of specialized cells whose function is to transport water and nutrients throughout the plant is the xylem.
What is xylem?Water is transported by the plant from the roots to the leaves through the xylem, a conductive tissue. Water enters the plant body through the root cells until it reaches the xylem, which transports the substance throughout the plant's body.
With this information, we can conclude that the xylem and phloem are conductive tissues, constituents of the plant's vascular system, responsible for the transport and distribution of substances throughout the plant
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All the major organs of the body are formed by week 10 of gestation. Which process makes this possible?
Answer:
Explanation:
All major body organs are formed by week ten of gestation.
The process which makes this possible is called differentiation.
Differentiation is the process by which cells, organs, and tissues acquire specialized features during the development of embryonic.
What are two significant ways your skeletal system and your circulatory system support one another
Answer:The bone marrow within your bones form new red and white blood cells and removes dirty blood cells. After making these new blood cells, it sends them to the circulatory system
Explanation:
Some functions of the skeletal system are more readily observable than others. When you move you can feel how your bones support you, facilitate your movement, and protect the soft organs of your body. Just as the steel beams of a building provide a scaffold to support its weight, the bones and cartilages of your skeletal system compose the scaffold that supports the rest of your body. Without the skeletal system, you would be a limp mass of organs, muscle, and skin. Bones facilitate movement by serving as points of attachment for your muscles. Bones also protect internal organs from injury by covering or surrounding them.
The term ____________________ describes the chemical substances that make it possible for messages to cross from the synapse of a neuron to the target receptor.
The term Neurotransmitter describes the chemical substances that make it possible for messages to cross from the synapse of a neuron to the target receptor.
What are Neurotransmitters?Neurotransmitters are endogenous chemicals that allow neurons to communicate with each other throughout the body.Chemical synaptic transmission is primarily through the release of neurotransmitters from presynaptic neural cells to postsynaptic receptors.There are a number of neurotransmitters used by the body for different functions, including acetylcholine, norepinephrine, glutamate, GABA, glycine, dopamine, and serotonin.Glutamate is the principal excitatory neurotransmitter used in the brain.GABA and Glycine serve as the major inhibitory neurotransmitters.To learn more about Neurotransmitters,
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Why was the transition from “purple bacteria” to “green bacteria” important for the evolution of complex organisms? Use evidence from the video and the chart in your answer.
Answer:
Explanation:
They eventually led to the evolution of more complex life forms, including plants and animals. Green bacteria were important because they allowed some organisms to make energy from the sun. The green bacteria also released oxygen in the atmosphere, allowing for more diverse forms of life on Earth.
ANSWER QUICK
______________are expansive, dry grasslands and experience relatively low annual precipitation and prolonged annual dry seasons.
Group of answer choices
Tundra
Tropical Rain Forests
Savannas
Taiga
Answer:
the correct answer should be the Savannas
What is the replicated DNA sequence for GGC GAG AAT GAA ACT ATT TGT AGC
Answer:
ccgctcttactttgataaacatcg
The replicated DNA sequence for GGC GAG AAT GAA ACT ATT TGT AGC is the sequence CCG CTC TTA CTT TGA ATA AAC ATC.
The replicated DNA sequence for GGC GAG AAT GAA ACT ATT TGT AGC would be CCG CTC TTA CTT TGA ATA AAC ATC. During DNA replication, the double-stranded DNA unwinds and separates into two strands. Each original strand serves as a template for the synthesis of a complementary strand.
The nucleotide pairing rules dictate that guanine (G) pairs with cytosine (C), and adenine (A) pairs with thymine (T). Thus, GGC is paired with CCG, GAG with CTC, AAT with TTA, GAA with CTT, ACT with TGA, ATT with TAA, TGT with ACA, and AGC with TCG. This process ensures that the two resulting DNA molecules are identical to the original DNA molecule.
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The complete question is:
What is the replicated DNA sequence for GGC GAG AAT GAA ACT ATT TGT AGC.
Drag the tiles to the correct boxes to complete the pairs.
Match each type of migration or dispersal to the image of the species that follows it.
[passive dispersal] [one direction only] [daily movement] [one return journey]
Dispersion is the change in the distribution area of populations. Snail: Daily Movements. Seeds: Passive dispersal. Fishes: One return journey. Butterfly: One way only.
What is dispersion?Dispersion is the change of range or distribution area. It refers to the movement of individuals or populations from one place to another one.
Dispersion is the dissemination and distance of some individuals from others. Each individual is considered the dispersion unit, being able to have different mobile stages.
Dispersion ends by causing changes in the distribution area.
Dispersion events might be
Ecological processes → to avoid intraspecific competition for resources. It might involve daily or seasonal migration. Intra-area movements. Biogeographical processes → Involve the individual movement in a wider area. Extra-area movements.There are different types of dispersion,
Jump dispersion → one or a few individuals of the same generation are capable of evading a barrier and getting to a new area where they establish themselves. This is the case of dispersion to an island.Diffusion → A whole population, through many generations, can reach wider areas by exploring and expanding to new favorable regions.
Secular migration → Diffusion events in too many generations. Involves evolution and speciation.
In the exposed example, we can identify the followings,
Snail ⇒ Daily Movements ⇒ dispersion to avoid competitionSeeds ⇒ Passive dispersal ⇒ dispersion by wind to stablish in a new area and avoid competitionFishes ⇒ One return journey ⇒ seasonal migration to look for better conditions. Butterfly ⇒ One way only ⇒ diffussion involving many generationsYou can learn more about dispersion and migration at
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The movement of molecules across a membrane from an area of higher concentration to an area of lower concentration with the use of a carrier molecule embedded in the membrane is called _________.
What are the main functions of polysaccharides in plants?
• A. Provide water and oxygen
O B. Remove carbon and minerals
O C. Provide support and energy
• D. Capture water and sunlight
Answer:
The main functions of polysaccharides in plants are :-
C. Provide support and energy
Hope it helps!
Answer:
The answer is C.
C. Provide support and energy
Explanation:
A phylogenetic tree __________ whereas a cladogram does not. Group of answer choices includes the dimension of time indicates ancestral-descendant relationships uses analogous character traits all of these
A phylogenetic tree uses only 1 and 2 whereas a cladogram does not. The group of answer choices includes the dimension of time indicates ancestral-descendant relationships use analogous character traits all of these.
A phylogenetic tree is a bifurcation diagram used to explain scientists' hypotheses about how branching between evolutionary lines occurred.
The most recent common ancestor of two taxa is the node that represents the fork between those taxa. In this case, the letter b represents the turning point between the gorilla and the human.
A phylogenetic tree is a bifurcation diagram showing putative relationships between different species based on similarities and differences in physical and/or genetic characteristics.
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What are generated during the Krebs cycle ?
Electrons
Glucose molecules
Pyruvate molecules
Electron Carriers
Electron Carriers such as NADH and FADH are generated during the Krebs cycle (Option D).
What is the Krebs cycle?The Krebs cycle is the second step of cellular respiration, which allows aerobic cell to generate energy in the form of ATP.
The Krebs cycle generates the reduced forms of the carriers NADH and FADH, which are used in oxidative phosphorylation to generate ATP.
In conclusion, Electron Carriers are generated in the Krebs cycle (Option D).
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In order for you to enjoy the smell of a flower, molecules called _______ from the flower must land on your olfactory epithelium, which lines the inside of the nose.
In order for you to enjoy the smell of a flower, molecules called Odorants from the flower must land on your olfactory epithelium, which lines the inside of the nose.
When a person breathes in air containing odor molecules, the molecules attach to receptors in the nose and send signals to the brain. Odorants interact with primary epithelium olfactory receptors. Olfactory receptors, a type of epithelial cell with cilia, are found in the olfactory epithelium. These receptors receive the sense of smell, which is then sent to the brain.The sensory neuron connected to the receptor is activated when an odorant connects with a receptor that detects it. Only olfactory stimulus directly communicates with the cerebral cortex; all other sensory information is sent through the thalamus.Additionally, it has been suggested that the nasal mucus plays a role in the process of emulsifying hydrophobic odorant molecules, delivering them to receptor sites.learn more about Odorants here: https://brainly.com/question/14477810
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A malignant tumor of bone marrow cells associated with high levels of one of the immunoglobulins, usually IgG, is called:
A malignant tumor of bone marrow cells associated with high levels of one of the immunoglobulins, usually IgG, is called multiple myeloma.
The monoclonal immunoglobulins released by the malignant cells of plasma are IgG and IgA which are around 55% and 20% respectively. In 25 to 30 percent of patients, the plasma cells discharge Bence Jones protein which is monoclonal kappa (κ) or lambda (λ) light chains in the urine. IgD myeloma represents around 1% of cases and is more regular among the patients of Asian provision. Monoclonal light chains in a significant number of these previously purported nonsecretory patients.
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Ron is observing an onion cell on a slide under a microscope. He sees chromatids being pulled to opposite ends of the cell. Which phase is he seeing?
A.
anaphase
B.
telophase
C.
prophase
D.
interphase
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In oxidative phosphorylation, energy for the synthesis of atp is directly obtained from the:.
In oxidative phosphorylation, energy for the synthesis of atp is directly obtained from the movement of hydrogen ions through channels in the innner mitochondrial membrane.
How is ATP synthesized?
Depending on the living being, this recharge can occur by: Fermentation or anaerobic cellular respiration. If the energy used is released by the breakdown of organic molecules, such as glucose, in the absence of molecular oxygen (O2).
Oxidative Phosphorylation is one of the metabolic steps of cellular respiration. The presence of ATP molecules and energy production are necessary for the exclusive use of ATP molecules and energy production.
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If oxygen is not available, the muscle fiber will produce ATP by __________. If oxygen is not available, the muscle fiber will produce ATP by __________. anaerobic catabolism synthesis of creatine phosphate oxidative catabolism using fatty acids for energy
Answer:
anaerobic catabolism
Explanation:
A cancer takes time to grow because it is the culmination of a series of genetic and genomic changes called _____ that enable certain cells to divide more frequently than normal.
Cancer takes time to grow because it is the culmination of a series of genetic and genomic changes called Mutations that enable certain cells to divide more frequently than normal.
What Are Mutations?Changes to an organism's DNA sequence are referred to as mutations. Mutations can be the result of viral infection, exposure to mutagens, or mistakes in DNA replication during cell division. Somatic mutations—those that take place in body cells—cannot be passed on to progeny, whereas germline mutations—those that happen in eggs and sperm—can.Mutagens are environmental elements that trigger mutations. Radiation, substances, and infectious diseases are a few examples of mutagens. The nature of mutations may be spontaneous.TP53, a gene that generates a protein that inhibits the development of tumors, is the gene that is most frequently altered in all malignancies. In addition, this gene's germline mutations can result in Li-Fraumeni syndrome, a rare, inherited condition that increases the risk of getting some malignancies.
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a radiograph in front of you appears dark. you note that the bones are gray. what is the most appropriate change to make when retaking this film
Decrease the kilovoltage peak(kVp) by 10%
Kilovoltage peak is referred to as kVp. This is the maximum voltage that the X-ray machine will produce during an exposure.
For instance, if 80 kVp is chosen, the maximum power of x-rays produced during this exposure is 80 kilovolts.
The degree of contrast is controlled by kVp means the radiographic contrast decreases as the kVp rises. Increasing kVp also increases the image's overall density (darkness).
Therefore it is best to decrease the kVp by 10% for the next radiograph as a relatively minor change in kVp can have a big impact on the image.
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What causes a sublunar tide?
A. None of these
B. The moon is on the opposite side of the Earth as the sun, and their opposing gravities mostly cancel out, resulting in a low tide.
C. The moon's gravity accelerates the Earth towards the moon, pulling the solid mass away from the water on the other side.
D. It is caused directly by the moon’s gravity pulling the water on the side of Earth closest to the moon.
The oppositional gravitational force of the moon pulls the water on the side furthest from itself. Thus, option "D" is correct.
How the moon and, to some degree, the sun cause tides on the earth?The moon and sun exert a gravitational pull on the earth.
The moon pulls strongest on the ocean water on the same side, lesser on the solid earth, and the least on ocean water on the opposite side of the earth.
The pull creates tidal bulges that are the earth’s high tides. Low tides occur at the halfway point between the bulges.
Thus, option "D" is correct.
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Millions of red blood cells are in the circulation and carry ____________ from the lungs to the tissues. In most cases, every cell of the body is located close to a ____________ , the small structures of the circulatory system where the majority of gas exchange occurs.
Answer:
oxygen and capillary
To remove noncoding sequences in the pre-mRNA of eukaryotes, multiple snRNPs combine with proteins to form a larger complex called the ___________ .
According to the research, the spliceosome is a larger complex to remove noncoding sequences in the pre-mRNA of eukaryotes.
What is the spliceosome?It is a large complex made up of ribonucleoproteins that remove unnecessary sequences from RNA after transcription.
This is formed during the splicing processes of messenger ribonucleic acid to remove introns that are not going to be translated into proteins.
Therefore, we can conclude that according to the research, the spliceosome is a larger complex to remove noncoding sequences in the pre-mRNA of eukaryotes.
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The same rabbit population is seen from year to year because the food supply is greater in the spring, so it can support a larger number of animals and because it is breeding season.
Select one:
True
False
The same rabbit population being constant because the food supply is greater in the spring and supporting a larger number of animals is a false statement.
What is Population?This is defined as the total number of organisms in a particular place at a given period of time.
Factors such as topography, human influence are other factors except food supply which influences rabbit population which is why False is the correct choice.
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It is a false statement because the population of rabbit increases if food is available in large quantity.
How population of organisms increased?When food is supplied in large quantity then the carrying capacity of the environment is higher so it can accommodate more organism in it which results in the increase of population of that organism.
So we can conclude that it is a false statement because the population of rabbit increases if food is available in large quantity.
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Name the bacteria found in root nodule of leguminous plants
Answer:Rhizobium
Explanation:
Leguminous plants belong to the family Fabaceae. These plants have a symbiotic association with the soil bacteria called the Rhizobium.
As Earth's climate changes, which feature on Earth is expected to increase?
OA. Land area
O B. Greenhouse gases
C. Freshwater reserves
O D. Sea ice help me please
The feature expected to increase will be greenhouse gases.
What are greenhouse gases?They are gases that form a layer of air blanket in the atmosphere and absorb reflected solar radiation from escaping back to space.
Thus, greenhouse gases cause the earth to warm up. When earth warming increases, the climate becomes more erratic.
In other words, greenhouse gases are indirectly responsible for climate change.
Therefore, as the earth's climate changes, greenhouse gases in the atmosphere are expected to increase in concentration.
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The feature expected to increase as Earth's climate changes is: (B). Greenhouse gases
Meaning of greenhouse gasesGreenhouse gases can be defined as gases that form a layer of air blanket in the atmosphere and absorb reflected solar radiation from escaping back to space.
Greenhouse gases makes the earth to warm up and they tend to increase as the climate changes.
In conclusion, as the earth's climate changes, the greenhouse gases will also increase.
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what are the types of buds? hello btw
Answer:
hi! There is lots of types of buds for example it could be a friend.
Explanation:
Hope it helps!:)