An action potential traveling along the entire length of an axon demonstrates continuous propagation.
Propagation of action potential:
An action potential is created by the rapid input of Na+ ions and the slightly slower outflow of K+ ions. Action potential initiation occurs in the axon's first segment, and as action potentials spread throughout the axon, cells can convey their output to synapses located further distant from the cell. The action potential conducts continuously in unmyelinated axons, whereas it conducts rapidly and saltatorily in myelinated axons where sodium channels are concentrated near the nodes of Ranvier.The action potential always advances in the same direction whenever a local current begins to form due to the prior axon segment still being in the absolute refractory period. As a result, action potentials travel away from the location of their generation and do not change course.Learn more about the Action potential with the help of the given link:
https://brainly.com/question/13595158
#SPJ4
If deforestation continues at its current rate, what percent of the Amazon biome will not have
trees by the year 2030?
Select one:
O a. 27%
O b. 31%
O c. 20%
O d. 37%
If deforestation continues at the current rate, 37% of the Amazon biome will be treeless by the year 2030
The d. 37%What happens if deforestation continues in the Amazon?The Amazon Rainforest is also home to the largest variety of species in the world, from insects to dolphins to birds. In the next 25 years, if deforestation continues at this rate, nearly half the world's species of plants and animals will be destroyed or severely threatened.
What is the percentage of deforestation in the Amazon rainforest?Also according to the same intersection, 813 km² were destroyed in state public forests, which is equivalent to 8% of the total deforested in the Amazon. In these areas, deforestation also reached the highest accumulated in the decade, growing 26% compared to 2020.
With this information, we can conclude that In addition to causing environmental imbalance, the extinction of species can impact economic activities, such as agriculture, fishing and livestock. Deforestation in the Amazon contributes to the increase in global warming.
Learn more about Deforestation in brainly.com/question/17178423
#SPJ1
The article explains that the plant tissue works like a one-way straw. Explain what this comparison means
Answer:
in all plants roots act like straws to absorb salts and mineral salts from the soil and this is why they work like one way strawsWhich statement best summarizes the process represented by the model?
Chloroplast
Intermembrane B
A Space
Outer Membrane
Granum
(Stack of Thylakoids)
Thylakoid
Light
Dependent
Reactions
C
F
ENT
Calvin
Cycle
D
G
Inner Membrane
Stroma
(Fluid)
OA. Energy from sunlight moves through trophic levels.
B. Solar enerav is converted and stored in chemical bonds.
Answer: solar energy is converted and stored in chemical bonds.
Explanation:
What are the priority functions of the gallbladder and why it is essential to aid in digestion?
The repository of bile produced by the liver is one of the gallbladder's top priorities.
Bile is required to break down the body's fats and lipids, making it vital for digestion. In addition, it helps in the metabolism of bilirubin, which is produced when RBCs break down.
The gallbladder serves several essential purposes, including the following:
To store and purify bile The ability to empty and restock its bile reserves in response to intestinal hormones like cholecystokinin. To assist in controlling the bile's chemical makeup (the percentage of water, bile salts and more) To regulate the small intestine's bile flow. To contract (secreting bile into the biliary tract and duodenum)To learn more about gallbladder click here
brainly.com/question/732376
#SPJ4
What can you conclude about the susceptibility of the bacteria to the antibiotics?
Susceptibility refers that they can not grow if drug is present . Antibiotic is effective against the bacteria. Resistant means the bacteria can grow even if the drug is present and this sign is an effective antibiotic.
The antibiotic susceptibility testing are based on measuring the inhibition of growth of bacteria. Average time which requires to obtain result are 18- 24 hours for rapid system.Antibiotic sensitivity test can help in finding that which antibiotic is more effective in treating infection accordingly.
Antimicrobial susceptibility test is very significant bacterial isolates and there goal of testing is to detect possible drug resistance in common pathogen to assure susceptibility to drug of choice for particular infections.
To learn more about the Susceptibility here
https://brainly.com/question/13503518
#SPJ4
Why are temperatures more moderate around
the fall and spring equinoxes?
• The angle at which Earth's axis tilts changes.
• Neither end of Earth's axis is tilted toward the Sun.
© The north end of Earth's axis is tilted toward the Sun.
• The Earth briefly wobbles on its axis.
Answer:
The angle at which Earth's axis tilts changes.
Explanation:
As the axial tilt increases, the seasonal contrast increases and this subsequently results in winters getting colder and summers getting warmer in both hemispheres. The tilt is also responsible for various seasons that the Earth witnesses.
Temperatures are more moderate around the fall and spring equinoxes because neither end of Earth's axis is tilted toward the Sun during these times. Therefore, the correct option is B.
What are spring equinoxes?This occurs when the sun moves north across the celestial equator. During the fall and spring equinoxes, the Earth's axis is neither tilted away from nor toward the Sun, resulting in approximately equal amounts of daylight and darkness at all latitudes.
This means that the Sun's rays are hitting the Earth's surface more directly at the equator and at a more oblique angle at higher latitudes. This results in more moderate temperatures, as the temperature differences between the equator and higher latitudes are minimized.
The angle at which Earth's axis tilts changes over a long time period, which can lead to changes in climate patterns over thousands of years. Therefore, the correct option is B.
Learn more about spring equinoxes, here:
https://brainly.com/question/2065504
#SPJ2
What event was khrushchev speaking of when he said the world had come close to ""destroying the human race""?
The Cuban missile crisis was the event Nikita Khrushchev was speaking of when he said the world had come close to "destroying the human race".
The Cuban Missile Crisis, also known as the October Crisis of 1962, the Caribbean Crisis or the Missile Scare, was a 35-day (16 October – 20 November 1962) confrontation between the United States and the Soviet Union, which escalated into an international crisis when American deployments of missiles in Italy and Turkey were matched by Soviet deployments of similar ballistic missiles in Cuba. Despite the short time frame, the Cuban Missile Crisis remains a defining moment in US national security and nuclear war preparation. The confrontation is often considered the closest the Cold War came to escalating into a full-scale nuclear war.
In response to the presence of American Jupiter ballistic missiles in Italy and Turkey, and the failed Bay of Pigs Invasion of 1961, Soviet First Secretary Nikita Khrushchev agreed to Cuba's request to place nuclear missiles on the island to deter a future invasion. An agreement was reached during a secret meeting between Khrushchev and Cuban Prime Minister Fidel Castro in July 1962, and construction of a number of missile launch facilities started later that summer.
The missiles in Cuba allowed the Soviets to effectively target most of the Continental US. The planned arsenal was forty launchers. The Cuban populace readily noticed the arrival and deployment of the missiles and hundreds of reports reached Miami. US intelligence received countless reports, many of dubious quality or even laughable, most of which could be dismissed as describing defensive missiles.
Only five reports bothered the analysts. They described large trucks passing through towns at night that were carrying very long canvas-covered cylindrical objects that could not make turns through towns without backing up and maneuvering. Defensive missile transporters, it was believed, could make such turns without undue difficulty. The reports could not be satisfactorily dismissed.
To learn more about The Cuban missile crisis : https://brainly.com/question/457425
#SPJ4
The Cuban missile crisis was the event Nikita Khrushchev was speaking of when he said the world had come close to "destroying the human race".
The Cuban Missile Crisis, also known as the Missile Scare, the Missile Crisis of 1962, or the Caribbean Crisis, the October Crisis of 1962 was a 35-day standoff between the United States and the Soviet Union that turned into a global crisis when American missile deployments in Italy and Turkey were matched by Soviet deployments of similar ballistic missiles in Cuba.
The Cuban Missile Crisis continues to be a pivotal moment in US national security and nuclear war planning despite its brief duration. The conflict is frequently seen as the point where the Cold War almost broke out into a full-fledged nuclear conflict.
After the unsuccessful Bay of Pigs invasion in 1961 and the discovery of American Jupiter ballistic missiles in Italy and Turkey, Soviet First Secretary Nikita Khrushchev
To learn more about The Cuban missile crisis please visit - brainly.com/question/457425
#SPJ4
The interaction of two or more drugs in which the effects of the individual drugs are compounded or multiplied is Group of answer choices antagonism. synergism. intolerance. cross-tolerance.
In a plant species, if the b1 allele (blue flowers) and the b2 allele (white flowers) are incompletely dominant (b1b2 is light blue), what offspring ratio is expected in a cross between heterozygotes?
This is a case of incomplete dominance, In a cross between heterozygotes b1b2 the ratio will be 1:2:1.
When both alleles of a gene are only partially expressed at a locus, it is known as incomplete dominance. This sort of gene interaction frequently produces an intermediate or distinct phenotype. Additionally called partial dominance. Pink blossoms of the four o'clock flower (Mirabilis Jalapa) and physical traits in people, such as hair color, hand sizes, and height, are instances of incomplete dominance. When the two alleles combine to create a third phenotype that differs from both of the parents, this is known as incomplete dominance. The standard illustration is when a red flower and a white flower are combined.
the cross for two individuals with genotype b1b2 is as follows:
b1b2 X b1b2 (parent)
b1b1, b1b2, b1b2, b2b2 (offspring)
thus the ratio will be 1:2:1 (blue: light blue: white)
learn more about incomplete dominance here: https://brainly.com/question/14080068
#SPJ4
Multiple arteries joined in order to serve a single capillary network are called:______.
Answer:
they are called collaterals
You perform a quadrant streak of e. coli at 11:00 am. How many bacteria are present in one cfu at 9:00 pm?
E.coli Bacteria present in one CFU at 9:00 pm = 1.07 X 109 bacteria and E.coli at 11:00 am = 1 generation time. That means 2.66X 10^ 9 cells per 1 CFU.
The average CFU in probiotics is between 1 and 10 billion CFUs per serving. To find out the number of CFU in the sample then the number of colony forming units on thee countable plate is multiples by 1/FDF. For example when the countable place has 200 colonies then 200 CFU and the FDF was 1/4000.
CFU measures the viable cells.High number of E.coli bacteria in water indicates that contaminated by feces. and it increasing the risk of exposure to pathogens that causes illness.
To learn more about E.coli Bacteria here
https://brainly.com/question/14258810
#SPJ4
Which of the following would NOT conserve energy from fossil fuels? *
Oturning down the heat in the winter
Owalking to places
O using a gas fireplace for heat
Obiking to aces
Helppp
Answer:
C using gas for heat
Explanation:
only thing that uses fossil fuels
What body systems are primarily affected and what physiological changes would you expect joe and frank to experience during such vigorous exercise?
Cardiovascular system, respiratory system, circulatory system and muscular systems are the body systems which are primarily affected during vigorous exercise.
During rigorous exercises, a number of body systems get affected. The cardiovascular system is affected as the heart starts working at its maximum level and the blood is pumped faster using circulatory system.
This in turn affects the muscular system and the muscles of the body would work hard and eventually become fatigued. The respiratory system gets affected as we also get out of breath. This overwork by our body systems can leave us feeling dizzy as well as fatigued.
To learn more about cardiovascular system here:
brainly.com/question/27364691
#SPJ4
When ______ reproduction occurs in a one-celled organism, the organism replicates its dna and splits into two genetically identical cells.
Answer:
Asexual
Explanation:
When asexual reproduction occurs in a one-celled organism, the organism replicates its DNA and splits into two genetically identical cells.
What is Reproduction?Reproduction may be defined as a biological process that involves the production of identical or dissimilar offspring by the successful fusion of two distinct parental gametes.
Asexual reproduction does not involve the mechanism of the successful fusion of two distinct parental gametes. Rather, it involves processes like budding, spore formation, binary fission, etc.
Binary fission is the mode of asexual reproduction that is mainly performed by single-celled organisms in order to replicate their DNA and split into two genetically identical cells.
Therefore, the type of reproduction that occurs in a one-celled organism, through which the organism replicates its DNA and splits into two genetically identical cells is known as asexual reproduction.
To learn more about Asexual reproduction, refer to the link:
https://brainly.com/question/423209
#SPJ2
The ability of a cell to express multiple self-surface protein markers, each coded for by an allele variant from the same gene and carrying out its own independent function, is an example of:_______.
The ability of a cell to express multiple self-surface protein markers, each coded for by an allele variant from the same gene and carrying out its own independent function, this is an example of Codominance.
What is codominance?In terms of genetics, codominance is a sort of inheritance in which two distinct expressions (alleles) of the same gene result in distinct features in a person.
What causes codominance?We observe codominance when both the traits are exhibit dominance. Codominance is demonstrated by the human ABO blood group system.Codominant alleles determine the blood type of an individual. The IA, IB, and I alleles are three distinct types. The I allele is recessive, while the IA and IB alleles are codominant. Blood group phenotypes that may exist in humans include types A, B, AB, and O.Examples for codominance:Animals that exhibit codominance include roan cattle and speckled chickens, which have alleles that express both red and white hair as well as both black and white feathers. Plants also exhibit codominance.To learn more about Codominance visit:
https://brainly.com/question/14053639
#SPJ4
write the type of interrelation that exists between sea sponges and corals?
Answer: sponges are the cleaners of the water around the corals , coral feeders , and healers in a sens
Explanation:
Aquaporins would be expected to _____ in numbers when _____ is present in the blood
Aquaporins would be expected to increase in numbers when there is an insufficient amount of water present in the blood.
Aquaporins are a type of proteins which are present in the integral membrane of the cells. They act as channels and help in the transport of water and small solutes across the membrane.
Whenever there is insufficient amount of water present in the blood, the antidiuretic hormone or the ADH responds. The aquaporins increase in number in the blood. They allow the transcellular reabsorption of water. Due to this fact, more water is able to escape from the collecting tubules and enter the blood.
To learn more about aquaporins here
brainly.com/question/14570880
#SPJ4
The ability for an enzyme to change its shape upon substrate binding represents the concept of:________
Answer:
The specific reaction of an enzyme depends on its active sites, which has shapes that closely matches the shape of its substrates. Upon substrate binding, the enzyme changes shape slightly in a way that allows the chemical reaction to happen more readily, thus reducing the activation energy of the reaction.
Explanation:
What happens when a hypotonic solution is separated from a hypertonic solution by an osmotic membrane?
When a hypotonic solution is separated from a hypertonic solution by an osmotic membrane, the solvent will move from the side hypertonic solution to the side of the hypotonic solution.
What is osmosis?The movement of solvent from a region of high concentration of solute to a region of low concentration of solute, through a semi-permeable membrane is called osmosis.
Osmosis is a type of passive transport and movement of solvent happens along the concentration gradient. The solution with high solute concentration is called hypertonic solution and the solution with low solute concentration is called a hypotonic solution.
Therefore, If these solutions are separated by a membrane, then the solvent of these solutions will move from the side of the hypertonic solution to the side of the hypotonic solution until equilibrium is reached i.e until both solutions become isotonic relative to each other.
Read more about osmosis, here
https://brainly.com/question/21395644
#SPJ4
Burning wood is a reverse reaction of photosynthesis. knowing this, what products would be formed?
Water and carbon dioxide are formed when Burning wood is a reverse reaction of photosynthesis.
The chemical process of photosynthesis is the reverse of combustion and cellular respiration. During photosynthesis, light energy converts carbon dioxide and water into glucose and oxygen. Respiration is said to be the reverse of photosynthesis. In photosynthesis, solar energy is harvested as chemical energy in a process that converts water and carbon dioxide to glucose. Oxygen is released as a byproduct.
To learn more about photosynthesis , here
https://brainly.com/question/1388366
#SPJ4
Growth is accompanied by two factors...
a) by increase in ___ b) increase in ___
The correct answers are sex hormones and thyroid hormones.
HormonesIn multicellular animals, a hormone is any member of a class of signaling molecules that is carried by complex biological mechanisms to distant organs to control physiology and behavior. The proper development of fungi, plants, and animals depends on hormones. The broad definition of a hormone (a signaling molecule that functions beyond from its point of production) allows for the classification of a wide range of molecular classes as hormones. Eicosanoids (such as prostaglandins and thromboxanes), steroids (such as oestrogen and brassinosteroid), amino acid derivatives (such as epinephrine and auxin), protein/peptides (such as insulin and CLE peptides), and gases are among the substances that can be termed hormones (e.g. ethylene and nitric oxide).
Growth is accompanied by two factors...
a) by increase in ___ b) increase in ___
Learn more about hormones here:
https://brainly.com/question/13020697
#SPJ1
A botanist scrapes pollen off a flower of one plant and then uses it to pollinate the flower of another plant. What can be scientifically concluded
about their offspring?
A. They will have a large amount of genetic variation.
B. They will have twice the number of chromosomes as their parents.
C. They will be genetically distinct from their parents.
D. They will be able to reproduce only asexually.
Answer:
C. They will be genetically distinct from their parents.
Explanation:
It is clear that a botanist assisted in the sexual reproduction of plants since pollen was removed from one plant's blossom and used to pollinate the flower of another.
Two separate gametes from two different parents are mingled during sexual reproduction, which aids in the generation of genetically distinct children since each gamete may carry different gene alleles, expanding the population's gene pool.
The children will be genetically diverse from their parents as a result.
The scientifically concluded statement about the offspring in this scenario is: They will be genetically distinct from their parents. The correct option is C.
When a botanist scrapes pollen from one plant and uses it to pollinate the flower of another plant, it is a form of artificial cross-pollination.
This process introduces genetic material from one plant to another, promoting genetic recombination.
Through cross-pollination, the offspring inherit genetic material from both parent plants, resulting in a combination of genetic traits.
This genetic mixing leads to genetic distinctiveness in the offspring compared to their parents.
The offspring may exhibit traits and characteristics that are a combination or variation of those present in the parent plants.
Thus, the correct option is C.
To know more about Cross-pollination, click here:
https://brainly.com/question/12064793
#SPJ5
Deep brain structures involved in movement and the formation of our procedural memories for skills include the?
Deep brain structures involved in movement and the formation of our procedural memories for skills include the temporal-lobe neural center.
What is structure of deep brain?It can be challenging to distinguish the deep brain structures on regular imaging since they are a complex collection of nuclei and white matter fibers.Patients with movement problems such essential tremor, Parkinson's disease, and dystonia can be treated surgically with DBS. Additionally, it can be used to manage epilepsy and obsessive-compulsive disorder symptoms.Several parts of the brain are implanted with electrodes during deep brain stimulation (DBS). Electrical impulses generated by these electrodes control aberrant impulses. Or the brain's cells and molecules may be affected by the electrical impulses.Gradient-index lenses that are permanently implanted allow for the imaging of calcium activity in the deep brain and provide a "window into the brain" that allows for the single-cell resolution imaging of many neurons.
Learn more about deep brain structure here:
https://brainly.com/question/14013101
#SPJ4
______ energy is a form of potential energy stored within the covalent bonds of molecules.
Answer:
chemical
Explanation:
The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called _____ cells
The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called stem cells.
Pluripotent stem cells have the ability to undergo self-renewal and to give rise to all cells of the tissues of the body. However, this definition has been recently complicated by the existence of distinct cellular states that display these features.
There are two types of pluripotent stem cells :
Embryonic stem cells (ESCs)Induced pluripotent stem cellsEmbryonic stem cells are derived from the inner cell mass (ICM) of pre-implantation embryos and can be indefinitely maintained and expanded in the pluripotent state in vitro. Pluripotent stem cells can also be obtained by inducing dedifferentiation of adult somatic cells through a recently developed in vitro technology, known as cell reprogramming.
Similarly to Embryonic stem cells , Induced pluripotent stem cells can be expanded indefinitely and they are capable to differentiate in all the derivatives of the three germ layers.
Another intriguing features of being pluripotent is its reliance on gene expression heterogeneity.
Learn more about Pluripotent here : https://brainly.com/question/18243320
#SPJ4
The __________ is the deepest sublayer of the epidermis that produces new epidermal cells.
The stratum basale is the deepest sublayer of the epidermis that produces new epidermal cells , attached the epidermis to the basal lamina below which lie the layers of the dermis.
Stratum basale also called basal cell layer which is innermost layer of epidermal cells. This layer is contains column shaped basal cells which is constantly pushed the surface. Stratum basale is a home for melanocytes that produce melanin which is the pigment responsible for skin color.
Its a very sensitive parts of the body such as eyelids ,its only 0.05 mm thick or thin the epidermis has five distinct layers or regions.
To learn more about stratum basale here
https://brainly.com/question/4083023
#SPJ4
Which condition would increase the likelihood of an animal's remains being fossilized?
Having an exoskeleton would increase the likelihood of an animal's remains being fossilized.
What is exoskeleton?In contrast to the interior skeleton of, say, a person, an animal's exoskeleton is its external skeleton that supports and shields its body. Some of the larger varieties of exoskeletons are referred to as "shells" in use.A protective outside layer on an animal.The chitin-based, hard and rigid outer shell that shields an animal's body is known as an exoskeleton.Exoskeletons are external supports that can be worn to support the body, either to help a person recover from an accident or to improve their biological capabilities. As the name implies. The frame provides limbs with additional movement, strength, and endurance thanks to a network of electric motors.The procuticle, a thick inner chitin-protein layer, and the epicuticle, a thin outer protein layer, make up the exoskeleton. The epicuticle of the majority of terrestrial arthropods, including insects and spiders, contains waxes that help to lessen evaporative water loss.Learn more about exoskeleton here:
https://brainly.com/question/27585272
#SPJ4
Disclaimer: The given question in he portal is incomplete. Here, the complete question.
Question: Which of the following conditions would most likely increase the likelihood of an animal being fossilized?
a. Living in an oxygen-rich environment
b. Having an exoskeleton
c. Living in an area where geological processes often transform rocks
d. Both a and b
e. None of the above
Glucose is the starting molecule in cellular respiration. What is the formula for glucose? A. C₂H₁₂O6 B. C3H6O3 C. C₂H4O₂ D. C₂H₂O3
Answer:
the answer is a
Explanation:
Maddie, age 2, had a complete blood count (cbc) drawn at her last visit. it indicates that she has a microcytic hypochromic anemia. what should you do now at this visit?
Maddie, age 2, had a complete blood count (cbc) drawn at her last visit. it indicates that she has a microcytic hypochromic anemia. you should Obtain a lead level of Maddie's blood.
Lead damages heme production and speeds up red blood cell oxidation, which results in anemia. Microcytic, hypochromic anemia is the type of anemia that is most frequently encountered, yet it is most likely caused by other factors such iron shortage. Due to lead's inhibition of ferro chelatase, the red blood cell progenitors accumulate iron-rich mitochondria, which is related to the process of the ring sideroblasts. Hypochromic microcytic anemia and basophilic stippling of red blood cells are symptoms of lead toxicity. When lead toxicity coexists with iron deficiency anemia, hypochromia and microcytosis are frequently observed. In every instance of lead poisoning, it's critical to evaluate the iron storage status (ferritin).learn more about anemia here: https://brainly.com/question/8197071
#SPJ4
If a diploid cell containing a large number of chromosomes skipped crossing over but completed the other steps of meiotic cell division to produce gametes, what would be the outcome?
The daughter cells will have paternal or maternal chromosomes.
What is crossing over?It is a major step in meiotic cell division during which non-sister chromatids exchange chromosomal segments, and as such, the genetic materials in the segments.
The process of crossing over happens at prophase I of meiosis I with the result being daughter cells whose chromosomes have been recombined as well as reconstructed.
Without crossing over, meiosis will end up producing daughter cells with either maternal or paternal chromosomes. The effect is that the number of genetic recombination in the daughter cells has been significantly reduced.
More on crossing over can be found here: https://brainly.com/question/27256451
#SPJ1
