Answers
The statement regarding action potentials generated in a neuronal membrane that is false is "Action potentials are generated only when the neuron's resting potential is at least -80mV." Action potentials are actually generated when the neuronal membrane reaches a threshold potential of around -55mV.
The other statements, "Action potentials are all-or-none events," "Action potentials are initiated at the axon hillock," and "Action potentials are self-propagating," are all true.
In summary, action potentials are generated in a neuronal membrane when the threshold potential is reached, they are all-or-none events, they are initiated at the axon hillock, and they are self-propagating. The false statement is that action potentials are generated only when the neuron's resting potential is at least -80mV.
Read more about a neuronal membrane here:https://brainly.com/question/9742624
#SPJ11
Related Questions
Which ecosystem is the most resistant to permanent change?
Answers
Answer: Hello!
Explanation: Your answer is Diverse Organisms in a Large Region
in what phase do two haploid daughters those function routinely with their chromosomes and chromatin form
Answers
Answer:
Prophase II begins immediately after cytokinesis
Explanation:
The splitting of the diploid gamete into two haploid daughter cells. In order to prepare for the next division, prophase II condenses chromatin first into chromatids, and then more tightly into chromosomes.
how much is 300000 *
Answers
Answer:
300,000
Explanation:
It is 30% of a million and quite a bit of money that can be used to buy a house.
Answer:
300000
Explanation:
lol easyyy
help me with this please
Answers
Because they are not destroyed when used
Which examples relate the law of mass balance to body homeostasis?
High levels of thyroid hormone in the blood inhibit further secretion of thyroid hormone.
An increased body temperature stimulates vasodilation of capillaries in the skin and activation of sweat glands.
Low blood glucose levels stimulate secretion of glucagon, which releases glucose into the blood.
Uterine contractions during labor stimulate the secrection of the hormone oxytocin, which stimulates
more contractions.
Water lost through sweat and urination is replaced by drinking water.
Answers
An increased body temperature stimulates vasodilation of capillaries in the skin and activation of sweat glands. and Water lost through sweat and urination is replaced by drinking water. relate law of mass balance to body homeostasis.
in the word homeostasis. Homeo: Similar Stasis: Condition -regulates internal environment
a propensity to preserve equilibrium or consistency on the inside; the control of any component of bodily chemistry, like blood sugar, at a specific level. sickness and illness will develop without homeostasis; it aids in the battle against poisons, cancer, viruses, and germs. Any benefit must be equaled by a corresponding loss. Existing body weight plus intake or metabolic production minus excretion or metabolic elimination equals mass balance -intake through the skin, lungs, and intestines outflow from the liver, lungs, kidneys, and skin
To learn more about homeostasis:
https://brainly.com/question/3888340
#SPJ4
Complete the passage to differentiate between longitudinal and transverse waves.
A longitudinal wave is a type of wave that transfers energy
to the direction of wave motion. A transverse wave, on the other hand, is a type of wave that transfers energy
to the direction of wave motion.
Answers
Answer:
transverse Waves transfer energy at right angle while longitudinal waves transfers energy parallel
If the half life of an element was 430 years and you had 2000 atoms of this element, how long would it take to undergo complete radioactive decay? What year would it be when the element finished decaying?
Answers
part a.
it would take an estimated 2984 years for the element to undergo complete radioactive decay.
How do we calculate?N = N₀ * (1/2)\(^(^t ^/^ T^)\)
N = final number of atoms remaining
N₀ = initial number of atoms
T = half-life of the element
0 = 2000 * (1/2)^(t / 430)
(1/2)^(t / 430) = 0
log₂((1/2)= log₂(0)
(t / 430) * log₂(1/2) = log₂(0)
0.01 = (1/2)^(t / 430)
log₂(0.01) = (t / 430) * log₂(1/2)
t = log₂(0.01) * 430 / log₂(1/2)
t = 2984 years
Learn more about half life at:
https://brainly.com/question/1160651
#SPJ1
A national park is home to large populations of mountain lions, deer, rabbits, and grass. Recently, park rangers decided to introduce wolves to the park. Mountain lions and wolves both eat deer and rabbits. Deer and rabbits both eat grass.If the number of deer and rabbits eaten by the mountain lions stay the same, what will happen to the grass after wolves are introduced?
A. The amount of grass will increase.
B. The amount of grass will stay the same.
C. The amount of grass will decrease until it is all gone.
D. The amount of grass will decrease, but some will remain.
Answers
Answer:
B
Explanation:
the wolve foesnt eat the grass so the grass is stay the same
Aside from breathing, are there any possible functions of the respiratory system that you can think of? Explain you answer.
Answers
1) Gas exchange: The primary function of the respiratory system is to facilitate gas exchange between the body and the environment. Oxygen is taken in through the lungs and delivered to the bloodstream, while carbon dioxide, a waste product of metabolism, is removed from the bloodstream and expelled from the body.
2) pH balance: The respiratory system plays a critical role in maintaining the body's acid-base balance. Carbon dioxide, when it dissolves in water, creates carbonic acid, which can lower the pH of the blood. The respiratory system helps to regulate the concentration of carbon dioxide in the blood, which in turn helps to maintain a healthy pH balance.
3) Immune defense: The respiratory system is equipped with specialized cells and tissues that help to protect the body against infection. The nasal cavity and respiratory tract are lined with mucus and cilia that trap and remove harmful particles, such as bacteria, viruses, and dust, from the air we breathe.
4) Vocalization: The respiratory system is also involved in the production of sound and speech. The movement of air through the vocal cords in the larynx creates vibrations that produce sound. The respiratory system helps to control the volume and pitch of the sound produced by the vocal cords, allowing us to communicate with others through speech and song.
In summary, the respiratory system performs a range of functions beyond just breathing, including gas exchange, pH regulation, immune defense, and vocalization
‼️ASAP!!! BRAINLIEST!!‼️
PLS HELP!!! Thx!
CHEMICAL FORMULA
Answers
Light
light
6CO2+6H2O------------>C6H12O6+6O2
hope this helped you- have a good day bro cya)
Based on the Resource Use and Conservation Virtual Lab, Which tactic can do the most to keep the water debt less than the water supply?
A. Outlawing water features in gardens
B. Replacing drip irrigation systems
C. Outlawing drip irrigation systems
D. Replacing thermal power plants.
Answers
Answer: D. Replacing thermal power plants.
Explanation:
Thermal Power Stations are some of the biggest users of water in the world because water is integral to producing electricity in them. These stations burn fossil fuels like coal which then vaporizes water so that it becomes steam which then drives turbines that produce electricity.
Water is also used for cooling high temperatures produced.
If these thermal stations are replaced with something that uses less water, it will go a long way in keeping the water debt less than the water supply.
Which type of cell transport is used by mitochondria to generate energy by
allowing hydrogen (H*) ions to flow through a membrane protein?
OA. Endocytosis
OB. Facilitated diffusion
OC. Active transport
OD. Exocytosis
Answers
The type of cell transport that is used by mitochondria to generate energy by allowing hydrogen (H*) ions to flow through a membrane protein is called Active transport. That is option C.
What is mitochondria?Mitochondria is defined as a member bound organelle that is located within the cell of a living organism which is known as the power house of the cell.
The mitochondria is called the power house of the cell because it has the ability to generate energy by
allowing hydrogen (H*) ions to flow through a membrane protein.
This type of cell transport used by mitochondria is called the active transport. This is because energy is required to pump hydrogen ions across the mitochondrial inner membrane, from the matrix into the intermembrane space.
Learn more about active transport here:
https://brainly.com/question/29698642
#SPJ1
hypothesis why parts of a plant such as the leaves are green but other parts such as the roots are not
Answers
Answer:
Because roots get more water then the stem does, it absorbs at least 60% of the water, and if you use a nail that goes into water, it rusts, so that means that it's darker than others.
Explanation:
If you take a nail and place it under water, that means its getting 100% of the water, so it's the same thing with plants. Another reason that this is happening is that its a sign that a plant is unhealthy. So make sure to give it a lot of water( but not too much or it will drown) so it stays a healthy and happy plant. Hope this helps :3
True or false. Polypeptides are made up of a string of nucleotides ?
Answers
Answer:
True
Explanation:
Polypeptides are made from sequence of nucleotides which form a polypeptide chain; all proteins are made from one or more linked polypeptide chains.
Answer:
false
Because not string of nucleotides
disruption of the normal microbiota can result in infections caused by which of the following microbes?
Answers
Clostridium difficile. Broad-spectrum antibiotic treatment over an extended period of time can alter the typical microbe in the human intestines.
Irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD), as well as more widespread systemic manifestations of disease including obesity, type 2 diabetes, and atopy, have all been associated with an imbalance of the normal gut microbe. When these antibiotics eliminate the healthy gut microbiota, Clostridium difficile populations can rise, leading to the potentially lethal illness known as pseudomembranous colitis. A variety of disorders, including obesity, type 2 diabetes, hepatic steatosis, inflammatory bowel diseases (IBDs), and various cancer types are now known to be correlated with abnormalities in the gut microbiota. As a result, it is possible that different metabolic pathways involved in immunity, energy, lipid, and glucose metabolism are impacted.
The complete question is:
Disruption of the normal microbiota can result in infections caused by which of the following microbes?
Candida albicans
Mycobacterium
Clostridium difficile
Learn more about microbe here:
https://brainly.com/question/14571536
#SPJ4
A population of insects gradually
decreases in number due to their
changing environment. Eventually, no
individuals are alive.
This process describes which type of
extinction?
A. background extinction
B. immediate extinction
C. explosive extinction
D. endangered extinction
Answers
Answer:
A
Explanation:
A [:
Why therr is a need to budget the income of the family
Answers
Emma hits a baseball into the air. While the ball is flying through the air, which of the following objects is pulling on it with a gravitational force?
A. the Sun
B. the bat
C. the Earth
D. all of these
Answers
Answer: D All of these
Explanation: For Study Island
For a majority of humans, one part of the ___ cortex is larger on the ___side of the brain than on the oppposite side.
Answers
Natural selection does not
a. Produce the mutations
b. Select those mutations that give an organism an advantage
Answers
Natural selection does not produce the mutations that are in option A, as natural selection is the process by which certain advantageous traits become more common in a population over time because individuals with those traits are more likely to survive and reproduce.
Natural selection does not produce the mutations themselves. Mutations are random changes that occur in an organism's DNA and can happen for various reasons, such as exposure to radiation or mistakes during DNA replication. Natural selection acts on the variation already present in a population, selecting for traits that confer advantages in a given environment and allowing those traits to become more prevalent over time.
Learn more about mutation and natural selection here.
https://brainly.com/question/31800539
#SPJ1
Which ,begin emphasis,two,end emphasis, areas of the body are ,begin emphasis,most,end emphasis, sensitive to touch?
Answer options with 5 options
A.
arms
B.
feet
C.
hands
D.
head
E.
legs
Answers
Answer:
ç
Explanation:
they are ticklish whenever they are touched by someone therefore I prefer that there are the most ticklish or sensitive part of the
What is likely to occur if humans continue to burn fossil fuels?
Answers
Prokaryotes can be divided by the way they obtain energy and nutrients. Which of the following correctly matches the name of a group of prokaryotes with the source of their energy and nutrition?aChemoautotrophs—from sunlight through photosynthesisbHeterotrophs—from molecules that contain sulfur or nitrogencPhotoautotrophs—from sunlight through photosynthesisdChemoautotrophs—from other organisms
Answers
Chemoaotrophs are organisms that obtain energy from inorganic molecules, they are able to use chemicals that are good electron donors, such as hydrogen, sulfur, or iron.
Heterotrophs are organisms that obtain energy from other organisms, i.e. they are organisms that eat plants or animals to live.
Photoautotrophs are organisms that obtain energy from light, these organisms are also called photosynthetic organisms.
Muscles require oxygen to produce the usable energy that causes muscles to move. Blood flow supplies oxygen to mus‹ cells during exercise. Which of the following describes how exercise affects this flow of blood to the muscles?
© Exercise results in an increased heart rate, which causes the blood flow to slow down.
© Exercise promotes the loss of water through sweat, which causes the blood flow to speed up.
© Exercise causes the widening of the blood vessels, which leads to an increase in the flow of blood.
© Exercise triggers valves in the blood vessels to open, which leads to a decrease in the flow of blood.
Answers
Answer:
Exercise causes the widening of the blood vessels
which leads to an increase in the flow of blood
Explanation:
Exercise causes the widening of the blood vessels, which leads to an increase in the flow of blood. This process is known as vasodilation. During exercise, the body's demand for oxygen and nutrients increases, and the muscles require more blood flow to meet this demand. Vasodilation occurs in response to the release of chemicals such as nitric oxide, which causes the smooth muscle in the walls of blood vessels to relax, allowing them to widen and increase blood flow. Therefore, option (C) is the correct answer. Options (A), (B), and (D) are incorrect because they do not accurately describe the effects of exercise on blood flow to muscles.
Which organisms can reproduce using the process of fragmentation
Answers
Fragmentation is a form of asexual reproduction and is seen in annelids, fungi, cyanobacteria, sponges, and flatworms.
In Fragmentation, an organism divides itself into a number of fragments. It occurs when an organism completely breaks down independently irrespective of the other parts. Each one of these fragments matures into fully grown adults that are clones of the original organism.
Asexual reproduction usually involves the participation of a single parent alone can produce new offspring. The newly produced individual is genetically identical to one another and its parent. Both multicellular and unicellular organisms divide by fragmentation which is asexual reproduction.
Fragmentation is the most common method of reproduction in lower invertebrates. It is seen in many organisms including filamentous cyanobacteria, algae, lichens, molds, many plants, and animals such as flatworms, annelid worms, sponges, and sea stars.
Learn more about the fragmentation from the given link.
https://brainly.com/question/29633695
The organisms that can reproduce by fragmentation are Option d Sponges and Sea anemones.
Fragmentation is a form of asexual reproduction in which an organism breaks into two or more fragments, and each fragment develops into a new individual. Both sponges and sea anemones are examples of organisms that exhibit this mode of reproduction.
Sponges are simple multicellular animals that lack true tissues and organs. They possess a porous body structure, and when a sponge is fragmented, each fragment has the potential to develop into a new sponge through regeneration. These fragments contain specialized cells called archaeocytes that can differentiate into various cell types required for the formation of a new sponge.
Sea anemones, on the other hand, are marine animals belonging to the phylum Cnidaria. They have a cylindrical body with tentacles surrounding their mouth. When a sea anemone is fragmented, each piece can regenerate into a complete individual. The process involves the differentiation of cells within the fragments, leading to the development of new tentacles, body parts, and eventually a mature sea anemone.
Both sponges and sea anemones have remarkable regenerative abilities, allowing them to reproduce through fragmentation. This form of asexual reproduction enables them to colonize new areas, expand their population, and adapt to changing environmental conditions. Therefore the correct option is D
Know more about Sea anemones here:
https://brainly.com/question/9933861
#SPJ8
The Question was Incomplete, Find the full content below :
The organisms which can reproduce by fragmentation are:
(a) Corals and Sponges
(b) Corals and Spirogyra
(c) Sea anemone and Spirogyra
(d) Sponges and Sea anemones.
Which statement best explains the ideas of phyletic gradualism and punctuated equilibrium?
A. Phyletic gradualism isn't supported by the fossil record, but punctuated equilibrium is
B. Phyletic gradualism states that many species evolve rapidly at specific points in time, and punctuated equilibrium states that speciation occurs constantly over time
C. Phyletic gradualism states that speciation occurs constantly over time, and punctuated equilibrium states that many species evolve rapidly at specific points in time
D. Phyletic gradualism is supported by the fossil record, but punctuated equilibrium isn't
Answers
A. Phyletic gradualism isn't supported by the fossil record, but punctuated equilibrium is
Punctuated equilibrium and phyletic gradualism are two opposing evolutionary tendencies that can be seen in the geological record. Species in punctuated equilibrium tend to demonstrate morphological stasis between rapid speciation episodes, whereas species in phyletic gradualism change more frequently. "Phyletic gradualism isn't supported by the fossil record, but punctuated equilibrium is," says the statement that best summarizes the ideas of phyletic gradualism and punctuated equilibrium.
For more information:
https://brainly.com/question/1042274?referrer=searchResults
Which best describes the digestive system of arthropods?
incomplete, two openings
complete, one opening
two-way, one opening
one-way, two openings
Answers
Answer:
d. one-way, two openings
Explanation:
Answer:d
Explanation:
trusst
Which can be accomplished by an interrupted mating experiment between Hfr and F- bacteria? Interrupted mating experiments can determine gene order on the Hfr bacterial chromosome. Interrupted mating experiments can determine the physical distance between genes on the F- bacterial chromosome. Interrupted mating experiments can determine the genome size of the Hfr bacteria. Interrupted mating experiments can determine the DNA sequence of the Hfr bacterial chromosome. Interrupted mating experiments can determine the gene order on the F- bacterial chromosome.
Answers
Answer:
Interrupted mating experiments can determine gene order on the Hfr bacterial chromosome.
Explanation:
Interrupted mating is a technique used in experiments involving microbiology. This experiment was created by geneticists François Jacob and Elie Wollman, in the late 1950s. This technique allows the mapping of the genes of the bacteria involved in the place where the conjugation was interrupted, within monitored and controlled time intervals. In this way, the technique allows showing the transfer mechanisms and the gene transfer itself.
In relation to the question above, we can say that the interrupted mating experiments can determine the order of the genes on the bacterial chromosome Hfr.
What is known about colony
collapse disorder?
O A. Mites are the sole cause of colony collapse disorder.
O B. Invasive species are implicated in colony collapse disorder.
O C. The factors responsible for colony collapse disorder are well known.
O D. Several factors are likely
contributing to colony collapse
disorder.
Answers
Answer:
O A. Mites are the sole cause of colony collapse disorder.
Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
Learn more about Atoms here:https://brainly.com/question/17545314
#SPJ1