Answer/Explanation:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Source:
https://www2.estrellamountain.edu/faculty/farabee/biobk/biobooktransp.html#:~:text=Water%2C%20carbon%20dioxide%2C%20and%20oxygen,to%20cross%20the%20cell%20membrane.
Hope this helps!
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis.
What is Cell membrane?
Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment.
A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane. The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions.
Therefore, Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis.
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Eukaryotes such as animal and plants cells differ from prokaryotes in that prokaryotes.
Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.
What are prokaryotes?Prokaryotes are microorganisms characterized due they do not have organelles or cell nuclei.
Conversely, eukaryotes contain their genetic material compartmentalized into a cell nucleus.
In conclusion, Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.
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A scientist notices that a lump of niobium is warm to the touch and wonders if nuclear reactions are taking place in the metal. How can she find out?.
Checking for the presence of alpha, beta, and gamma particles will determine if nuclear reactions are taking place.
What is a Nuclear reaction?This reaction occurs when two or more nuclei fuse together to form a new one and is characterized by heat also.
Its unique property is the presence of radiations which is why the presence of alpha, beta, and gamma particles should be checked.
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A scientist can find out whether a nuclear reaction is taking place or not by inspecting the presence of alpha, beta, and gamma particles.
What is Nuclear Reaction?A nuclear reaction may be defined as a strategy in which the nucleus of an atom is transformed by being shattered apart or united with the nucleus of another atom.
The complete question is as follows:
Measure the metal’s temperature.Check for the presence of alpha, beta, and gamma particles.Look for the presence of niobium compounds.Place the niobium in a pressurized container, and see if the lump becomes warmer.Therefore, the correct option for this question is B. This is because the influential existence of these particles is a characteristic indicator of radioactive decay which means unstable atoms spontaneously experience a nuclear reaction.
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These protein-based substances enhance digestion by making chemical reactions more likely to happen. group of answer choices bile emulsifiers enzymes hormones
Answer:
The answer is enzymes..
Why does a solid change to liquid when heat is added?
A. The spacing between particles decreases.
Particles lose energy.
B.
C. The spacing between particles increases.
D. The temperature decreases.
Rese
Answer:
C. The spacing between particle increases.
Explanation:
The particles are given more energy and begin to vibrate faster when a solid is heated. As the atoms vibrate faster, spacing in between particle increases.
how are fruit and vegetable made available in the off season?
Out of season fruit has either been imported from another country or grown in heated greenhouses. Either way, excess carbon emissions are created.
Mark as brainlest answer (✯ᴗ✯)Answer:
Fruit And Vegetables out of season are mostly brought from other countries in most of the places
Explanation:
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diphtheria causing agent mode of Transmission, incubation period,symptoms and preventive measures and cure
answer it faster and faster
Answer:
vf
Explanation:
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Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.
What is the causing agent?This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.
How is it transmitted?This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.
What are the symptoms?Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.
How to prevent it or treat it?Antibiotics and antitoxins are often used, but the best is to prevent it through vaccination.
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Electroporation is a technique used for __________
Electroporation is a technique used for inserting DNA into cells
What is Electroporation?Electroporation is a physical transfection method that uses an electrical pulse to create temporary pores in cell membranes through which substances like nucleic acids can pass into cells.
Electroporation is highly efficient for the introduction of foreign genes into tissue culture cells, especially mammalian cells.
Hence, electroporation is a technique used for inserting DNA into cells
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Which of the following caused the mortality rates to significantly decrease starting in the 17th century
Answer:
The significant decrease in mortality rates starting in the 17th century is due improved Hygiene, sanitation, healthcare.
Explanation:
A woman with type a blood (genotype: ao) is married to a type b person (genotype: bo). What blood types will their children have?
The blood types of the children formed from a woman with type A blood (genotype: AO) is married to a type B person (genotype: BO) is:
ABAOBOOOHow to cross parents with specific genotype?According to this question, a woman with genotype AO is crossed with a man of genotype BO.
This means the following cross will be performed:
AO × BO
The offsprings of this cross will have the following genotype:
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Heat is an example of____energy of matter, and temperature is the measure of this energy.
Internal
Potential
Latent
Kinetic
Heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).
What is Heat?Thermal energy or heat is a type of energy that comes from the motion of atoms and molecules in a substance. It increases when these particles move faster.
Geothermal energy is the heat energy in the earth while kinetic energy is the energy stored in the motion of objects. Heat energy comes from a substance whose molecules and atoms are vibrating rapidly due to the increase in temperature.
Heat energy is another name for Thermal energy or Kinetic energy which is the energy of an object in motion. Since heat energy comes from moving particles. It is a form of kinetic energy.
Thus, heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).
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Carbon dioxide released during ATP synthesis is being transported from our tissues back to the lungs, some of it is dissolved in plasma, the rest is converted and transported as other substances. Most of the carbon dioxide is converted into ______.
Answer:
HCO3
Explanation:
What is the main function of fungus’s hyphae?
Absorption of nutrients
Movement in water
Predator protection
Photosynthesis
The main function of fungus’s hyphae is the Absorption of nutrients by the fluttery filaments that make up multicellular fungi are called hyphae. As they consume resources from a food source, they release enzymes.
What are the fungal hyphae?The fluttery filaments that make up multicellular fungi are called hyphae. As they consume resources from a food source, they release enzymes. Chitin makes up the rigid cell wall of hyphae. In pursuit of more food sources, they spread out from a tip and continue to expand.
The substrate is broken down by digestive enzymes secreted by the hyphae, which makes it simpler for the fungus to absorb the nutrients it contains. The fungus has a very wide surface area compared to its volume, which indicates that it is in close contact with its surroundings.
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Answer: it’s A
Explanation: truss it is
Anxiety is __________, and therefore anxiety disorders probably exist in all human societies, though there likely are some differences in prevalence and in its expression.
Anxiety is mental diseases, and therefore anxiety disorders probably exist in all human societies, though there likely are some differences in prevalence and in its expression.
What is anxiety and symptoms?Anxiety symptoms can manifest on a physical level, such as a feeling of tightness in the chest and tremors, or on an emotional level, such as the presence of negative thoughts, worry, insecurity or fear, for example, and usually several symptoms appear at the same time.
In this case, women are twice as likely to develop anxiety as men because the cultural issue, of activities that are left to the care of the woman: care for the house, with the children, with the family, regardless of whether she works or not
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In which of the following ways did Rome limit the consuls' power?
A. Consuls held unlimited power.
B. The consuls served for only one year terms.
C. Consuls were forced to leave Rome for four years following their terms as consul.
D. Consuls were chosen by lot.
Answer:i believe the answer was D
Explanation:i think it is
Monotheism is
a religion that believes in many gods.
an agnostic position toward the existence of god.
religion that believes in the existence of one god.
a belief that god does not exist.
Hull fouling is a(n) _______ introduction of nonnative species. a. unintentional b. intentional c. unimportant d. land-based please select the best answer from the choices provided a b c d
Hull fouling is an (a). unintentional introduction of nonnative species
Meaning of Hull foulingHull fouling can be defined as an unintentional act that transport species from one place to another by water vessels.
Hull fouling also mean the attachment of species to a water vessel which leads to an unknowing transportation of such species
In conclusion, Hull fouling is an unintentional introduction of nonnative species
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Answer:
a. unintentional
Explanation:
trust nerds
A scientist discovers an unknown multicellular organism with an endoskeleton.
Which kingdom does the organism most likely belong to?
Protista
Plantae
Animalia
Archaea
The unknown multicellular organism with an endoskeleton most likely belongs to the kingdom Animalia. Thus, the correct option is C.
What is Kingdom?Kingdom may be defined as a taxonomic classification of the second-highest rank, just below the domain and above the phylum.
Endoskeleton is found in the kingdom Animalia and refers to the skeletons which are present inside the body of the organisms that provide structural support and protection and assist them in migration.
Therefore, the correct option is C.
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If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a ________ charge.
If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.
What is an Action potential?This occurs when the neuron is completely depolarizes back and the cell gets back to the resting potential.
The inside of the cell temporarily has a positive charge which is why it was chosen as the most appropriate choice.
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If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.
What is an Action potential?An action potential may be defined as a temporary alteration in the neuron's membrane potential induced by ions unexpectedly flowing in and out of the neuron.
The inside of the membrane becomes positive due to the influx of Na+ ions and efflux of K+ ions during the mechanism of electrical impulse.
Therefore, it is well described above.
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What provides the carbon atoms that are incorporated into sugar molecules in the calvin cycle?.
The answer of this query is discussed below:
What do you mean by the Calvin cycle?The Calvin cycle converts airborne carbon molecules directly into plant material. Because plants are the foundation of the energy pyramid in most ecosystems, the Calvin cycle is crucial to their survival.
The carbon atoms needed for photosynthesis to create sugars are found in carbon dioxide. RuBP is initially combined with carbon dioxide, and RuBP is then renewed to complete the Calvin cycle.
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Scientists predict that the human population will continue to increase. Which
two events are likely to occur as a result?
A. The amount of water released into streams and rivers will
increase.
B. The amount of natural space will decrease as suburban areas
increase.
C. More people will move to the cities, increasing the amount of
natural space.
D. Air pollution will increase due to increased use of fossil fuels.
Answer:
Air pollution will increase due to increased use of fossil fuels and the amount of natural space will decrease as suburban areas increase.
which of the following lacks sufficient penetrating power for bulk sterilization? a. ultraviolet (uv) radiation at 260 nm.b. x rays.c. gamma radiation.d. alpha and beta particles.
Alpha and beta particles lacks sufficient penetrating power for bulk sterilization
What is Bulk sterilization?Bulk sterilization is a means of reducing contaminants using a vessels at a very high temperature.
Among the particles we have, alpha particles is known to have a low penetrating power compared to gamma radiation. Hence we can conclude that alpha and beta particles lacks sufficient penetrating power for bulk sterilization.
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Explain why the plant with the mutated psaB gene was dying
As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.
What is psaB gene?P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1, and FX, are bound by PsaA and PsaB.
As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.
Thus, the plant with the mutated psaB gene was dying.
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what is the main use of technology
Answer:
Technology plays an important role because it helps us deal with the complexities of life. Everyone having daily use over want or need.
Things technology helps with daily. ...
Communication. Nowadays we have phones and other devices that we can use to contact loved ones or people we need help from, unlike the old days.
Education. Some students use virtual school for a more flexible schedule or just o keep learning at home without a classroom or place to be needed.
Health. For example, MRI scan, CT scan, x-ray, or ultrasound are tech used at hospitals.
Internet searches. We can go to multiple research platforms and get answers to our questions from world experience or even find out abt our history.
House assets. Things like refrigerators, microwaves, stoves, lamps, fans/AC, TVs, tech assistants (If you have) and more.
Hope this helps but there's too many things to list!
Suggest why glucose is converted to glycogen rather than kept as glucose inside the cells
Explanation:
after a main glucose and the liver and level of blood glucose rise this successful course is guilt with by the glucose lenses which is the liver Converse glucose into glycogen for storage the glucose that is not stole is used to produce energy by a process called glycolysis
a eukaryotic chromosome consists of _____
A eukaryotic chromosome consists of histones.
Properties of eukaryotic chromosomeEukaryotes posses pairs of linear of chromosomes and they are all contained in the nucleus of the cell, possessing characteristic forms.
Eukaryotic chromosomes consists of histones which are condensed and DNA surrounding nuclear proteins.
Therefore, a eukaryotic chromosome consists of histones.
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A scientist is examining a simple multicellular organism with a nucleus and specialized organelles that was found in a moist environment. What kingdom does this organism belong to?.
Answer:
Kingdom Protista
Explanation:
They have a nucleus, are multicellular, and prefer moist enviornments.
1. In cultivating wheat, early farmers selected wheat plant
a. whose seeds were easily dispersed.
b. whose stalks did not break easily in the wind.
c. that produced the fewest grains.
d. that had the largest seed pods.
Answer:B
Explanation:
How is nitrogen gas fixed biologically?
A. combustion of fossil fuels
B. decomposition of organic matter
C. respiration of living organisms
D. bacteria in plant roots and soil
Answer:
D. BACTERIA IN PLANT ROOTS AND SOIL
what is the best definition for a Liger?
Answer:
The liger is a hybrid offspring of a male lion (Panthera leo) and a female tiger (Panthera tigris).
Explanation:
A page is to a book as a ___________ is to the genome.
A page is to a book as a gene is to a genome.
What is the relation between a gene and a genome?
A gene is a fundamental unit of heredity and a DNA sequence that determines the production of a specific gene, which can be a RNA or protein.
However, the genome is the collection of or the total of all the DNA sequences in an organism.
Therefore, as a page which is a unit is to a book, so as the gene is to the genome.
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