The green molecules are moving from an area of high concentration to an area of low concentration. When will this movement will stop?
A. When all the green molecules are on the right side.
B. When more green molecules some of the green molecules have moved.
C. When there is an equal number of green molecules on each side.
D. When all the energy is used up.
Answers
Related Questions
Fear only has negative consequences.
A. false
B. true
Answers
Answer:
A. false
Explanation:
when we fear we feel colder
Which of the following statements about comets is true?
A.
Comets have very elliptical orbits that usually take them closer to the Sun than Earth, but rarely do they get further away than Pluto.
B.
Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth.
C.
Most comets have a circular orbit that keeps them in the space between Mars and Jupiter.
D.
Comets rarely fall into an orbit around the Sun. They usually enter the inner solar system only once and then are gone forever.
Answers
C. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter
Circle the letter of each sentence that is true about the sense organs of fishes
Answers
A intestine or colon is a sensory organ made of tiny pores that can pick up on vibration and movement in the water around it. The lateral line, which is immediately below the skin, is made up of neuromasts.
What are the five senses that fish have?Like us, fish have the capacity to smell, tasting, feel, hear, for seeing. , and. Ask them to name the locations of their primary sensory organs. How many senses do the pupils believe fish possess?
What sense does a fish have?Fish have highly developed sensory organs for the most part. Almost all fish in the daytime have colour vision which is at least as excellent as that of a person (see vision in fishes). Chemoreceptors, which are the source of remarkable perceptions of taste and smell, are also present in many fish. Although having ears, some fish may not have particularly good hearing.
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Synthetic Materials
Answers questions bellow
Answers
Polymers are are long chains of molecules that are made up of repeating units called monomers.
2. The most common synthetic fibre is plastic.
3.Numerous aspects of our society face challenges as a result of the rising rate of production of plastic. It is causing problems with waste and pollution, affecting our health, and posing a threat to our oceans and wildlife.
4. Synthetic fibres are of four types, namely: Rayon, Nylon., Polyester, Acrylic.
5. Fashion uses synthetic and chemically made fibers like polyester, nylon, and acrylic, as well as semi-synthetic cellulosic fibers like viscose, rayon, modal, and lyocell.
The absolute most outstanding benefit of manufactured strands is their minimal expense contrasted with different sorts of materials.
Four uses for synthetic fibers?The aerospace, apparel, architecture and construction, automotive and transportation, chemical processing, electrical and electronic, filtration, marine, medical, and welding industries all make use of synthetic fibers and fabrics.
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what is cell biology
Answers
Answer:
Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function and behavior of cells. Cell biology encompasses both prokaryotic and eukaryotic cells and can be divided into many sub-topics which may include the study of cell metabolism, cell communication, cell cycle, biochemistry, and cell composition. The study of cells is performed using several techniques such as cell culture, various types of microscopy, and cell fractionation. These have allowed for and are currently being used for discoveries and research pertaining to how cells function, ultimately giving insight into understanding larger organisms. Knowing the components of cells and how cells work is fundamental to all biological sciences while also being essential for research in biomedical fields such as cancer, and other diseases. Research in cell biology is interconnected to other fields such as genetics, molecular genetics, biochemistry, molecular biology, medical microbiology, immunology, and cytochemistry.
Explanation:
Answer:
Cell biology is a branch of biology that studies the structure, function and behavior of cells. Cell biology encompasses both prokaryotic and eukaryotic cells and can be divided into many sub-topics which may include the study of cell metabolism, cell communication, cell cycle, biochemistry, and cell composition.
An easy way to explain diverging plates is to say
Answers
Answer:
its two plates moving away from each other because of something like an earthquake or a volcano formed so the plates moved etc
hope this helps sorry
Explanation:
A geologist concludes that a rock sample is an extrusive igneous rock. Based on this information, which statement about the rock is accurate?
o the rock cooled slowly over millions of years
o the rock formed from cooling lava
o the rock formed within Earth's crust
o the rock likely came from a pluton
Answers
The rock formed from cooling lava (option b), as extrusive igneous rocks are created when molten material solidifies on Earth's surface.
An extrusive igneous rock forms when molten material, or magma, rises to the Earth's surface and cools quickly, solidifying as lava.
This rapid cooling process results in the formation of fine-grained or glassy-textured rocks, such as basalt and obsidian. The accurate statement about the rock in question is that it formed from cooling lava.
The other options, like cooling slowly over millions of years, forming within Earth's crust, or coming from a pluton, describe intrusive igneous rocks, which form when magma cools and solidifies below the Earth's surface.
Thus, the correct choice is (b) the rock occurs from the cooling lava.
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find the LCM of two numbers if there product is 160 and hcf is 4.
Answers
Answer:
40
Explanation:
given
product of two numbers =160
hcf =4 we know that
hcf*LCM=product of the numbers
LCM*4=160
LCM=160/4
LCM=40
What foods contain saturated fats? How much of these foods should you eat? Why?
Answers
Answer:
Butter
Explanation:
contains too much saturated fats.
Consider this animal cell.
The organelles in an animal cell are labeled. Part H is the outside layer of the cell.
Answers
The peripheral layer of a creature cell is a cell film. Part H is the outside layer of the cell is called cell membrane. Consequently, choice (A) is right choice.
What is the membrane of a cell?The cell membrane, which is also known as the plasma membrane, separates the inside of a cell from the outside world. The cell membrane is made up of a lipid bilayer that is semipermeable. The flow of substances into and out of the cell is controlled by the cell membrane.
The four primary functions of the plasma membrane are isolation of the cytoplasm from the external environment, communication, control of solute exchange across the membrane, and identification. Subsequently, the organelle marked as H is choice (A) cell layer.
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Complete question:
Consider this animal cell.
The organelles in an animal cell are labeled. Part H is the outside layer of the cell. Which organelle is labeled H?
A. cell membrane
B. cell wall
C. endoplasmic reticulum
D. nucleus
The chromosome undergoes a transloation mutation during its replication. Which image best represents the translocation
Answers
The majority of the world's forests are located
A. at the equator.
B. in the temperate zones.
C. in mountains.
D. near deserts.
E. near large bodies of water.
Answers
Answer:
may be the ans is at the equator
Explanation:
because the temperature at equator is sutable to grow plant's there will be sunny and raining in equator
Rainforests, specifically tropical rainforests, provide many species of life a rich, green habitat.
Which of the following will most likely occur from the modification of natural ecosytems by
humans? 4a
increased biodiversity
O increased stability in the ecosystem
decreased biodiversity
O decreased carbon dioxide emissions
Answers
Answer:
increased stability in the ecoystem
Let:
denote actually having COVID19 antibodies (i.e. "ground truth")+
denote notactually having COVID19 antibodies (i.e. "ground truth")~+
denote testing + for COVID19 antibodiesT+
For the Rapid COVID19 test:
= 0.96P(T+|+)
P ) = 0.06(T+|~+
a:Suppose ) = 0.01, what is (2 points)P(+P(+|T+)?
b:Suppose instead that = 0.1, what then is ? (2 points)P(+)P(+|T+)
c:Why does change so much between a) and b)? (2 points)P(+|T+)
Answers
In part a, the probability of actually having COVID19 antibodies, P(+), is very low (i.e. 0.01). Thus, even with a high conditional probability of testing positive given that one has the antibodies (i.e. P(T+|+) = 0.96), the probability of testing positive overall (i.e. P(+|T+)) is still relatively low.
However, in part b, the probability of actually having COVID19 antibodies, P(+), is much higher (i.e. 0.1). This means that even though the conditional probability of testing positive given that one has the antibodies (i.e. P(T+|+) = 0.96) is the same as before
the probability of testing positive overall (i.e. P(+|T+)) is much higher because there are more people who actually have the antibodies. Therefore, the change in P(+|T+) between a) and b) is due to the change in the prior probability P(+), which affects the denominator of the formula for P(+|T+).
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The biceps femoris, semitendinosus, and semimembranosus at the back of the thigh make up the: A. gluteal muscles. B. sternocleidomastoid. C. latissimus dorsi. D. hamstring group.
Answers
The biceps femoris, semitendinosus, and semimembranosus at the back of the thigh make up the D. Hamstring group.
The biceps femoris, semitendinosus, and semimembranosus muscles are part of the hamstring group located at the posterior (back) side of the thigh. Together, they form a distinct muscle group known as the hamstrings. These muscles are named based on their characteristics and attachments.
The biceps femoris muscle is the most lateral muscle of the hamstring group. It consists of a long head and a short head, which originate from different locations on the hip bone. The semitendinosus muscle lies in the middle, while the semimembranosus muscle is the most medial muscle of the group. Both the semitendinosus and semimembranosus muscles originate from the ischial tuberosity, a bony prominence in the pelvis.
The hamstrings have important functions in movement and stability. They are primarily responsible for flexing the knee joint, which involves bending the leg at the knee. During activities such as walking, running, or kicking, the hamstrings contract to bring the lower leg closer to the buttocks. This action is essential for propelling the body forward and generating force.
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Contrary to the structures of the hindbrain and the midbrain, most structures of the forebrain are?
Answers
Contrary to the structures of the hindbrain and the midbrain, most of the structures of the forebrain are duplicated in both brain hemispheres (i.e., the right brain hemisphere and left brain hemisphere).
What are the right brain hemisphere and left brain hemisphere?The right brain hemisphere and left brain hemisphere are two structures that divide the cerebrum (i.e., the brain) into two major parts, which control the sensory and motor functions of the individual.
The right brain hemisphere controls functions of the left part of the human body, while the left brain hemisphere controls functions of the right part of the human body.
In conclusion, contrary to the structures of the hindbrain and the midbrain, most of the structures of the forebrain are duplicated in both brain hemispheres (i.e., the right brain hemisphere and left brain hemisphere).
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does the pituitary gland have an effector? If so what is it?
Answers
Answer:
The pituitary hormones instruct a peripheral organ to secrete effector hormones with widespread effects on many tissues.
Explanation:
The Mohorovicic discontinuity is the __________.
A) division between the lithosphere and asthenosphere
B) boundary between solid and molten rock
C) transition from granitic to basaltic crust
D) boundary between outer core and inner core
E) boundary where crust gives way to mantle
Answers
The line between the crust and mantle is known as the Mohorovicic Discontinuity, abbreviated Moho. This barrier is situated at a depth of the Earth's surface of about 2891 kilometres.
The boundary between both the crust and the mantle is currently known as the Mohorovii discontinuity, sometimes referred to as the Moho. It is a distinct leap in seismic wave velocity. As you are surely aware, the earth's surface and mantle are separated by the Mohorovicic Discontinuity. It would be constructed of many elements, including oxygen, iron, sodium, silicon, & aluminium. Rocks that make it up the Earth's crust & mantle would contain these elements.
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many mutations in the bithorax gene are known. each mutation has a different effect on development of the reduced wing-like t3 appendage, the haltere. none of these mutations occurs in the coding sequence of bithorax, instead, where are these mutations and how do they effect development?
Answers
The mutations in the bithorax gene that affect the development of the reduced wing-like t3 appendage, known as the haltere, occur in regulatory regions or control elements of the gene rather than in the coding sequence itself.
These mutations alter the expression and regulation of the bithorax gene, leading to changes in its activity during development.
The bithorax gene is a homeotic gene that controls the formation of body segments and appendages in fruit flies. It contains regulatory regions called enhancers that determine where and when the gene is expressed.
Mutations in these enhancer regions can disrupt the normal pattern of bithorax expression, resulting in abnormal development of the haltere.
For example, some mutations may cause the enhancers to be non-functional, leading to a loss or reduction in bithorax expression in the developing haltere. This can result in a complete or partial transformation of the haltere into a wing-like structure.
Other mutations may alter the timing or spatial pattern of bithorax expression, leading to changes in the size, shape, or identity of the haltere.
These mutations can affect the interactions between the bithorax gene and other genes involved in appendage development, causing developmental abnormalities.
Overall, the mutations in the regulatory regions of the bithorax gene disrupt the normal control of gene expression, leading to diverse effects on the development of the haltere in fruit flies.
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Which of the following best describes three of the known cause of foodborne illness?
Answers
The following which best describes the three known cause of foodborne illness include the following:
Poor handwashing.Food contaminationLack of temperature control.What is Food borne illness?This is referred to a type of illness which is caused when food substances are consumed as a result of their contamination by different microbes such as bacteria etc.
Poor hand washing causes this type of illness because the germs in the hands come in contact with the food thereby resulting in it being eaten and then causing problems in the body.
Another cause of foodborne illness is lack of temperature control due to the fact that some food favor the growth of microbes when they aren't stored under the right temperature. This is the reason why refrigerators are used to store food so as to inhibit the growth of bacteria and prevent it from spoiling.
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Back in the lab, the samples from all five
sites were analyzed. For a chemical
analysis, they measured the B.O.D, or
biochemical oxygen demand. This
measures the amount of oxygen consumed
by bacteria and other microorganisms while
they decompose organic matter. When
leaves or trees fall into the water, microbes
will consume them. These organisms need
oxygen during this process, like all living
things.
Alice also measured dissolved oxygen, or DO. This is
simply a measure of the amount of oxygen in the water
available for microorganisms and fish. Oxygen enters
water systems from the atmosphere, but also from
photosynthetic organisms, like plants and algae.
Waterfalls can also help add air by circulating water, a
process known as aeration.
Alice also measured the amount of phosphate and nitrogen
was in the water sample. Both of these elements are used
in fertilizer to stimulate plant growth. These elements can
cause algae blooms, and at high levels, they can be toxic
to living organisms. Both are measured in PPM, or parts
per million. Even small amounts of phosphates and
nitrogen can change the composition of a water
ecosystem.
The sample was filtered to collect suspended solids. The
Total Suspended Solids, or TSS, reflects particles in the
water that float or are "suspended" in the water. TSS
usually indicates substances like sand, algae, sediment or
plastic particles. TSS can also affect the turbidity of the
water, or how transparent the water is. High TSS levels
will make the water less transparent, because it indicates
substances floating within it.
Her final test measured fecal coliform bacteria. These
are specific bacteria that livin in the intestines of animals
and enter the stream from animal waste. The presence of
these bacteria indicate contamination from animals or even
human sources where water treatment is not present.
High levels of fecal coliform can make the water dangerous
to drink or even swim in.
5. Based on Alice's initial observations, would
you expect site A to have a high level of
dissolved oxygen? Why or why not?
6. How will a fallen (and decomposing) tree
increase the BOD of the area?
7. View the map of the river and focus on the
water collection sites (A - E). Which area will
have the highest levels of phosphates and
nitrogen? Explain your choice.
8. What observation did Alice make that would
indicate her site had a low number of TSS?
9. Why would humans be concerned about
fecal coliform bacteria?
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10. High levels of nitrates and phosphates
might increase algae growth. How would
algae growth affect each of the following?
DO
BOD
Turbidity
Answers
It is difficult to make a prediction about the level of dissolved oxygen at Site A without more information.
5. since site A located near the headwaters of the river, it may be more likely to have a higher level of dissolved oxygen than downstream sites because it has not yet been impacted by human activities that could deplete oxygen levels.
6. A fallen and decomposing tree would increase the BOD of the area because microbes will consume the organic matter from the tree, which will require oxygen. As a result, the amount of oxygen available for other aquatic organisms will decrease, potentially leading to a decrease in dissolved oxygen levels.
7. Site E, which is located near a farm and a golf course, may have the highest levels of phosphates and nitrogen. This is because both elements are used in fertilizers to stimulate plant growth, and the runoff from the farm and golf course could carry excess nutrients into the water.
8. Alice's observation that her site had a low number of TSS could be indicated by the water being more transparent. This is because TSS reflects particles that are suspended in the water, and fewer particles would result in clearer water.
9. Humans are concerned about fecal coliform bacteria because they can indicate the presence of harmful pathogens that can cause illness if the water is consumed or if people come into contact with it through swimming or other activities.
10. Algae growth would increase DO because algae produce oxygen during photosynthesis. However, it would decrease BOD because algae consume organic matter, reducing the amount of oxygen required by microbes. Algae growth could also increase turbidity if it becomes too dense and makes the water murky
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Leeches often attached to the tongue of a crocodile and consume the crocodiles blood as food the Egyptian Plover is a bird that flies into the mouth of the crocodile and eats the leeches the crocodile do not harm the plovers the relationship between a crocodile and the leech is an example of _________?
Answers
Answer: mutualism
Explanation:
According to the information given in the question, the relationship between a crocodile and a leech is an example of Commensalism.
What do you mean by Species interaction?Species interaction may be defined as a type of biological phenomenon through which the population of one species interacts with populations of other species that live in the same locality. There are various types of species interaction that can commonly be found in the nature and ecosystem.
According to the context of this question, the individuals of leeches attached to the tongue of a crocodile consume the crocodile's blood as food. In this way, the population of leeches gets benefits from the crocodile by taking their blood as a source of food and energy.
The Egyptian Plover is a bird that flies into the mouth of the crocodile and eats the leeches the crocodile does not harm the plovers. In this way, crocodiles do not get any harm or benefit from the population of leeches. So, this type of + and 0 interaction is known as Commensalism.
Therefore, the relationship between a crocodile and a leech is an example of Commensalism.
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Aseptic technique means that that you perform the preparation of media or the transfer of living microbesa. Trueb. False
Answers
The given statement that "Aseptic technique means that that you perform the preparation of media or the transfer of living microbes" is false as aseptic technique basically preparing media or transferring microbes without any contamination.
Aseptic techniques are basically those techniques which happen to involve the preparation of media or transferring of microbes but under very controlled settings to avoid any contamination.
Some of the aseptic technique are cleaning as well as disinfecting the lab surfaces prior to use, limiting the time period that cultures or the media are uncapped and left exposed to the air, keeping the petri dishes covered whenever it is possible etc.
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Marine iguanas feed on seaweed. Seaweed contains starch Starch is digested by enzymes in the digestive system. Explain why the shape of an enzyme is important for digestion.
Answers
Answer: The enzyme is a catalyst that speed up the rate of the reaction.
Explanation:
The enzyme can be defined as the protein that is involved in the catalytic activity of the reaction. The shape of the enzyme is important as it determines to which substrate it binds to. The enzyme is specific to the substrate and binds to a specific kind of substrate. During the digestion process the enzyme binds to the specific substrate like protein, carbohydrates, fats, and other biomolecules present in the food to simplify the digestion process. Starch is digested into maltose by the enzyme salivary amylase in the mouth.
help-- multiple choice!
Biogenic sediment is made of at least 30 percent...
acidic chemicals
alkaline properties
limestone or other rock
skeletal remains
Answers
Answer:
The answer is the last one, skeletal remains
Answer: Skeletal remains
Choose...
is the gradual change in living things over long periods
Extinction
Migration
evolution
Answers
Facilitated diffusion requires
enzymes.
carrier proteins.
lipid carriers.
carbohydrate carriers.
lipid or carbohydrate carriers.
Answers
Facilitated diffusion requires carrier proteins. The membrane transport proteins known as carriers and channels fall into two categories.
What is carrier proteins ?In contrast to channel proteins, another type of membrane transport protein, which is less selective in transporting molecules, a carrier protein is a type of protein that moves a particular substance through intracellular compartments, into the extracellular fluid, or across cells.It is similar to an enzyme-substrate reaction in how a carrier protein moves a solute molecule across the lipid bilayer, and in many respects, carriers work like enzymes. However, unlike regular enzyme-substrate reactions, the carrier protein does not covalently modify the transported solute before delivering it to the other side of the membrane.There are one or more distinct binding sites for a solute in each type of carrier protein. By undergoing reversible conformational changes that alternately expose the solute-binding site on each side of the membrane, it moves the solute across the lipid bilayer.To learn more about carrier proteins refer :
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check all of the possible ways an eukaryotic cell can move using different cytoskeletal filaments.
Answers
Eukaryotic cells can move in various ways using different cytoskeletal filaments that are amoeboid movement, using cilia and flagella
The three main cytoskeletal filaments are actin filaments, microtubules, and intermediate filaments. Actin filaments are involved in cell movement through a process known as amoeboid movement. This involves the extension of pseudopodia which are filled with actin filaments that push the cell forward. Microtubules are involved in the formation of cilia and flagella, which are used for locomotion.
The movement of cilia and flagella is achieved by the sliding of microtubules against each other, powered by ATP. Intermediate filaments, on the other hand, provide mechanical stability to the cell and are involved in cell adhesion and migration. They do not directly participate in cell movement, but instead provide a strong framework for the cell to move upon. Therefore, eukaryotic cells can move using different cytoskeletal filaments depending on the type of movement required, with actin filaments and microtubules being the main players in cell locomotion.
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according to kinetic molecular theory, gas particles: select the correct answer below: exert attractive forces amongst one another exert repulsive forces amongst one another exert both attractive and repulsive forces amongst one another none of the above
Answers
None of the above. There is no force of attraction between gas particles and between the particles and the container walls. Interactions with the package's walls and gas particle collisions are both completely elastic.
Because the observed connections between a gas's pressure, volume, and temperature are typically not perfect, the gas laws do not adequately account for these interactions. In this section, the reasons for these aberrations from the conduct of an inert gas are considered.
Gas molecules behave almost exactly like ideal gas particles at relatively low pressures because they are (on average) so widely apart and have virtually no attraction for one another. However, the force of attraction is also no longer negligible at higher pressures. This force marginally reduces the pressure (assuming the volume is constant) or decreases the volume by drawing the molecules closer together (at constant pressure). Due to the molecules' lower KE in comparison to the attractive forces, which makes them less able to overcome these forces after interacting with one another, this change is more pronounced at low temperatures.
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Biology
What are four nitrogenous bases of DNA
Answers
Answer: Adenine: 6–Amino purine.
Guanine: 2-Amino-6-oxypurine.
Cytosine: 4-Amino-2-oxypyrimidine.
Thymine: 2,4-Dioxy-5-methyl pyrimidine.
Explanation: