Is This Simple Diffusion (A) Active Transport (B) Simple Osmosis (C) Or Facilitated Diffusion (D)
Answers
Related Questions
Which career field would best suit Cam's interests in the following scenario?
Cam is looking into college science programs. He loved taking microbiology in high school and would like to study
genetics
O molecular biology
O animal biology
O cytology
O zoology
Answers
A, molecular biology
Microbiology includes the study of molecules therefore I believe the answer is molecular biology
et All of the items listed below would be limiting factors for a bluebird population except one. Which item would NOT be a limiting factor for a population of bluebirds? O A. the number of predators in the area O B. the number of available nesting sites O C. the type of soil in the region O D. the amount of available food
Answers
Answer:
C. The type of soil in the region.
Explanation:
All the other answers would directly impact the survival of the bird. Type of soil wouldn't matter to them unless you were talking about plant population.
Answer:
C
Explanation:
A, B, and D are all ways that the population can be limited. The number of predators in the area affects how many of the bluebirds will be eaten/ killed. The number of nesting sites affects how many bluebirds have the proper environment to reproduce safely, and this creates compitition between the birds, and only those that get adequate food can survive. that leaves us with C: the type of soil.
Use the Figure below of part of the integumentary system to answer questions 7 and 8.
7. In what layer of the skin would you find this tissue?
8. Name the substance that is found in the uppermost layer of this tissue.
Answers
Answer:
lympathic tissue is the answer of 7
for animals such as humans, where do the organic molecules required for building cellular material and tissues come from? group of answer choices sunlight food water absorption
Answers
For animals, including humans, the organic molecules necessary for building cellular material and tissues come from food that is consumed. When humans eat food, our digestive system breaks it down into its constituent molecules, such as carbohydrates, lipids, and proteins.
The molecules then move into the bloodstream, where they are transported to the cells that require them for growth and repair of tissues and cellular structures. In addition to food, water also plays an important role in the body's chemical reactions and cellular processes. Water helps to transport molecules throughout the body and is also involved in chemical reactions that break down complex molecules into simpler ones that the body can use. Sunlight is important for the production of vitamin D, which is necessary for bone health, but it is not a direct source of organic molecules for building cellular material and tissues.
Absorption is a process by which molecules move from one location to another, but it is not a source of organic molecules for building cellular material and tissues. In summary, food is the primary source of organic molecules for building cellular material and tissues in animals, including humans.
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A single-celled organism can be classified as a prokaryotic cell based on the absence of-
A.a cell membrane.
B.ribosomes.
C.chromosomes.
D. a nucleus.
Answers
Answer:
D. nucleus
Explanation:
Hope this helps!
4. Which foods would have the following nutrient test results?
Sudan Red test
O A. beef, peanut butter, tuna
OB. apple juice, honey, orange juice
O C. candy, table sugar, cola
O D. pasta, bread, crackers
5. Which of the following would test positive in the Biuret test, and negative in the Sudan Red test?
Answers
Answer:
4.) B. Apple juice, Honey, and Orange juice
Explanation: Hope this helps a lot,
what is not true about a nerve impulse? choose one: a. it is another term for an action potential. b. it can travel long distances without weakening. c. it is electrical excitation of the plasma membrane that is propagated rapidly along the membrane and sustained by automatic renewal along the way. d. it can travel at speeds of 100 meters per second. e. it depends entirely on the action of ligand-gated ion channels.
Answers
A nerve impulse is not dependent entirely on the action of ligand-gated ion channels. This statement is false. The nerve impulse, also known as an action potential, is a rapid and transient change in the membrane potential of a nerve cell that allows the nerve cell to communicate with other nerve cells, muscle cells, and glands.
A nerve impulse is not another term for an action potential. An action potential is a type of nerve impulse that travels down the axon of a neuron. A nerve impulse can travel long distances without weakening because of the automatic renewal that occurs along the way.
This is due to the presence of voltage-gated ion channels in the axon membrane.
The electrical excitation of the plasma membrane is propagated rapidly along the membrane and sustained by automatic renewal along the way.
The nerve impulse can travel at speeds of up to 100 meters per second in some nerve cells, but this is not always the case.
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Help me pls question Is on the pic
Answers
Answer:
A: 3, 2, 1, 4
Explanation:
what level of ecology includes physical and chemical factors such as land and water? group of answer choices
Answers
The study of ecology involves the relationship between living organisms and their environment, which can be studied at various levels. This includes different levels of study of ecology, which may include individuals, populations, communities, and ecosystems.
The level of ecology that includes physical and chemical factors such as land and water is the ecosystem level. An ecosystem is a community of living organisms interacting with each other and their non-living environment such as air, water, and soil.
The ecosystem level is the most inclusive and broadest of all the ecological levels of organization, as it considers the entire biotic and abiotic system. The physical and chemical factors of an ecosystem such as land and water play a significant role in determining which organisms can live there.
The physical factors, such as temperature and water availability, determine what types of organisms can survive and thrive. The chemical factors, such as nutrient availability, pH, and salinity, can also limit the types of organisms that can survive in the ecosystem.
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Hi. Help needed .
I'm stuck on this question ;
Give at least five examples of the following ;
1.Permeable membranes
2.Impermeable membranes
3. Semipermeable or selectively permeable
Answers
Answer:
Permeable membranes allow anything to pass through.
Impermeable membranes have a poor permeable rate or nothing can pass through.
Semipermeable membranes select or allow only certain substances to pass through.
Explanation:
Permeable Membranes:
Window screen - can pass water and air through 100%Mesh - can pass water and air through 100%Impermeable Membranes:
Clay - permeability rate is extremely low, and water cannot pass throughZiplock bag - nothing can come in or outSemipermeable Membranes:
Plant and Animal cell membranes (lipid bilayer) - only certain substances can pass through, like soluble vitaminsCell Organelle Membranes - only certain substances can pass through the mitochondria, for example1. The test results below indicate the presence of which nutrient?
Carbohydrate test
Protein test
Lipids test
Benedict test
Lugol test
Biuret test
Sudan Red test
Test
Test
Test
Test
O A. monosaccharide
B. polysaccharide
O C. protein
O D. lipid
Answers
The result of the test represents the presence of the polysaccharide nutrient.
Result of the test:All tested assays represent the negative result except the Lugol test since there is no change in the color in the Biuret and Sudan red that recommended that this should not be lipid or protein in the samples. Also, there is no decrement in the sugar i.e. presented in the sample since benefit test should be turned out negative and the lugol test should be come positive.
Therefore, option b is correct.
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what do you use to mesure liqued volume
Answers
graduated cylinder or a buret can be used to measure the volume of liquids.
Other common Measuring InstrumentsSpeedometers, measuring tape, thermometers, compasses, digital angle gauges, levels, laser levels, micrometers, measuring squares, odometers, pressure gauges, protractors, rulers, angle locators, bubble inclinometers, and calipers are examples of common measuring tools.
The three measurements are:
length, width, and heightThe above enables us to convey the volume
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a facet such as the superior and inferior articulating facets of the vertebra is described as
Answers
A facet is a small, flat surface on a bone or a tooth that serves as a point of attachment or articulation for muscles, ligaments, and other bones. The superior and inferior articulating facets of the vertebrae are examples of facets that aid in the articulation of two adjacent vertebrae in the spinal column.
These facets have a concave shape on one vertebra and a convex shape on the adjacent vertebra to allow for flexibility and movement of the spine. The superior facet of one vertebra articulates with the inferior facet of the vertebra above it, while the inferior facet of one vertebra articulates with the superior facet of the vertebra below it.
The superior and inferior facets of the vertebrae are important for the proper functioning of the spinal column, as they allow for the complex movements of the spine, such as bending, twisting, and rotation.
Furthermore, the superior and inferior facets of the vertebrae work in tandem with other structures, such as the intervertebral discs, to provide support and cushioning for the spine, protecting it from injury and degeneration.
In summary, the superior and inferior articulating facets of the vertebrae are examples of facets that help facilitate the articulation of adjacent vertebrae in the spinal column. They play a crucial role in the flexibility and movement of the spine, and work in concert with other structures to provide support and cushioning to the spine.
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in an artificial lipid bilayer, how far can a phospholipid potentially diffuse in one second? choose one: 20 nanometers (the width of a typical ribosome) 2 microns (the length of a large bacterial cell) 2 nanometers (the width of a dna double helix) 2 meters (the length of some of the longest nerve cells in the body) 200 microns (halfway across a typical amoeba)
Answers
In an artificial lipid bilayer, how far can a phospholipid potentially diffuse in one second In an artificial lipid bilayer, a phospholipid can diffuse up to 20 nanometers in one second. What is a Lipid Bilayer The lipid bilayer is a thin biological membrane that is composed of two layers of lipid molecules that are arranged in such a way that their hydrophobic tails are facing each other, while their hydrophilic heads face outward towards the cytosol.
The lipid bilayer provides a barrier to the movement of ions and molecules across the membrane. How far can a phospholipid potentially diffuse in one second Phospholipids are a type of lipid that is an essential component of the lipid bilayer. Phospholipids have a hydrophilic head that is attracted to water and a hydrophobic tail that is repelled by water.
They can diffuse in the lipid bilayer because of this unique structure. The phospholipids diffuse laterally in the membrane. This movement is called lateral diffusion.
The distance a phospholipid can potentially diffuse in one second depends on a variety of factors such as temperature, the viscosity of the lipid bilayer, and the size of the phospholipid.
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Each sentence below select the name of the specialized cells being described
Answers
Answer:
1. Neurons
2. White blood cells
3. Epithelial cells
4. Red blood cells
5. Muscle cells
Explanation:
if female reproductive success and male survivorship are the only things affecting fitness, how many components of fitness are there in this example? (use an integer for your answer)
Answers
In the example where female reproductive success and male survivorship are the only things affecting fitness, there are two components of fitness. Fitness in this scenario refers to the ability of an organism to survive and reproduce successfully.
The two components of fitness in this example are female reproductive success and male survivorship. Female reproductive success refers to the number of offspring produced by female individuals while male survivorship refers to the ability of male individuals to survive to the age of reproduction and produce offspring.The two components of fitness work together to ensure the successful reproduction and survival of the species. If the female individuals produce a large number of offspring but the male individuals are not able to survive and produce offspring, the fitness of the species will decrease.
In conclusion, the two components of fitness in this example are female reproductive success and male survivorship.
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you found an organism that is: unicellular, contains dna as its nucleic acid, and has a cell wall made of peptidoglycan. do you know what group your organism belongs to given these characteristics?
Answers
The organism you found that is unicellular, contains DNA as its nucleic acid, and has a cell wall made of peptidoglycan belongs to the group of Bacteria.What are bacteria? Bacteria are a single-celled type of microorganism that are distributed all over the world.
They are classified as Prokaryotes since they lack a membrane-bound nucleus and membrane-bound organelles. They are classified into five groups based on their shapes:
cocci (spherical), bacilli (rod-shaped), spirochetes (spiral-shaped), vibrios (comma-shaped), and filamentous bacteria (thread-shaped).Bacteria can be both beneficial and harmful. Bacteria play an essential role in our ecosystem, they are involved in the nitrogen cycle and play an essential role in the food chain.
Bacteria are ubiquitous, and they are found almost everywhere, even in extreme conditions such as acidic hot springs and icy polar waters.
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How do you explain how to come up with a hypothesis in one to two sentences?
Answers
Answer:
spend some time doing background research. Once you have completed a literature review, start thinking about potential questions you still have.
Explanation:
Answer: A hypothesis is an educated guess and is a minimum of two sentences. Do not use the words “I think”. The hypothesis can be written using the “If . . . then . . .” format. ... Include a second sentence using background information to support your hypothesis.
Which two planets lack moons?
Answers
Answer:
Venus and Mercury
Explanation:
because duh we have a moon, and we are very jealous because mars has two, but we are even more jealous at the gas giants, which have from ? moons, which is Saturn, because each ring asteroid is a moon, to 14, which is Neptune.
which stars spend the least time in the main sequence stage?
Answers
Answer:
Type B stars
Explanation:
type B stars are the hottest, so they would burn up more quickly, spending the least amount of time on the main sequence.
Stars which spend the least time in the main sequence stage are type-B sequence stars.
What are type-B sequence stars?A B-type main-sequence star is a main-sequence star of spectral type B and luminosity class V. These stars have from 2 to 16 times the mass of the Sun and surface temperatures between 10,000 and 30,000 K. B-type stars are extremely luminous and blue.
Moreover, the Type B personality is characterized by a set of certain traits. People with this personality tend to be more laid-back and flexible.
Hence, Type B stars are the hottest, so they would burn up more quickly, spending the least amount of time on the main sequence.
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When a dead plant dies the matter that made up its body goes into the soil which of the following might next happen to the dead plant
A. It could make uo the cell wall of bateria
B. It could make up the eidermis of a worm
C. It could make up the stalk of a mushroom
D. All of the above
Answers
Answer:
D.All of the above
..........
Answer:
D.All of the above
Explanation:
is the following statement true or false? if carl shapiro had proceeded into asystole after the ventricular fibrillation, continuing to defibrillate would have been the appropriate intervention.
Answers
The statement, "if Carl Shapiro had proceeded into asystole after the ventricular fibrillation, continuing to defibrillate would have been the appropriate intervention" is false. After a ventricular fibrillation, asystole is the most common rhythm of cardiac arrest.
Asystole is when there is no electrical activity in the heart and the heart stops beating. In this situation, defibrillation is not effective. As a result, continuing to defibrillate would not be an appropriate intervention in this case.Carl Shapiro was one of the individuals who suffered from sudden cardiac arrest, which occurs when the heart stops beating unexpectedly. To deal with cardiac arrest, a series of procedures known as the Cardiac Chain of Survival are used.
These include early recognition and access to emergency care, cardiopulmonary resuscitation (CPR), defibrillation, advanced life support, and post-cardiac arrest care.The Cardiac Chain of Survival provides a series of measures that, when implemented in sequence, have the greatest potential to improve patient outcomes. Defibrillation, the third step in the Cardiac Chain of Survival, is the delivery of an electrical shock to the heart to restore a normal heartbeat. However, in asystole, defibrillation does not work.
Instead, in the absence of circulation, the primary goal is to establish a perfusing rhythm through the use of cardiopulmonary resuscitation (CPR) and advanced life support (ALS). Therefore, the statement is false since defibrillation is not appropriate for a patient in asystole.
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how much energy in ev does this single photon of green light (525 nm) deliver to the receptor cells in the eye's retina?
Answers
The amount of energy in electron-volts that a single photon of green light with a wavelength of 525 nm delivers to the receptor cells in the eye's retina can be calculated using the following formula:
Substituting the given values into the formula, we have:
[tex]E = (6.626 x 10^-34 J s x 2.998 x 10^8 m/s) / (525 x 10^-9 m[/tex])
Converting joules to electron-volts (1 eV = 1.6 x 10^-19 J), we get:
[tex]E = [(6.626 x 10^-34 J s x 2.998 x 10^8 m/s) / (525 x 10^-9 m)] / (1.6 x 10^-19 J/eV)E = 2.36 eV[/tex]
Therefore, a single photon of green light with a wavelength of 525 nm delivers approximately 2.36 electron-volts of energy to the receptor cells in the eye's retina.
The explanation above is approximately 100 words.
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How does one-called organism grow ?
Answers
Answer: Growing is capable to a certain living organism. Growth means getting larger in size, and for multi-cellular organisms this is done by making more cells. Plants have special tissues called meristems where growth occurs. Single celled organisms increase their numbers by dividing and making more cells like themselves.
Explanation:
The most common type of rock by volume in Earth’s crust is
______________:
A. Metamorphic rock
B. Sedimentary rock
C. Divergent rock
D. Igneous rock
E. Convergent rock
Answers
The correct answer is D. Igneous rock.
Igneous rocks are the most common type of rock by volume in Earth's crust. They are formed through the solidification and crystallization of molten magma or lava. Igneous rocks can be classified into two main categories: intrusive igneous rocks and extrusive igneous rocks.
Intrusive igneous rocks form beneath the Earth's surface when molten magma cools and solidifies slowly. Examples of intrusive igneous rocks include granite and diorite. These rocks make up a significant portion of the Earth's crust.
Extrusive igneous rocks, on the other hand, form on the Earth's surface when lava erupts from volcanoes and rapidly cools and solidifies. Examples of extrusive igneous rocks include basalt and rhyolite. While these rocks may cover extensive areas on the Earth's surface, they are less voluminous compared to the intrusive igneous rocks that form beneath the surface.
Metamorphic rocks (A) are formed when existing rocks undergo changes due to high heat, pressure, or chemical processes. Sedimentary rocks (B) are formed from the accumulation and compaction of sediments over time. Divergent rock (C) and convergent rock (E) are not recognized geological terms.
Therefore, the most common type of rock by volume in Earth's crust is igneous rock (D).
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15. Sarah is a biologist who is studying a species of crab. In the wild, crabs with larger
pincers will have greater reproductive success than those with smaller pincers. To
investigate this further, she placed 50 crabs with small pincers and 50 crabs with large
pincers together in an isolated area that closely resembled their natural environment.
She observed several generations of the crabs over the next ten years. If her
experimental setup replicates the natural selection process in the wild, which result is
most likely to be observed?
A.the crabs born with small claws would develop larger claws and pass this trait to their offspring
B.The percentage of crab as with large claws would increase.
C.The percentage of crabs with small claws would increase.
D.the DNA in crabs with small claws would mutate in order to produce larger claws.
Answers
The correct answer is B. The percentage of crabs with large claws would increase.
Explanation:
Crabs with large claws have more chances to survive and reproduce; this biological advantage will make most of these crabs to successfully reproduce through generations and pass this feature to their offspring. On the opposite, crabs with smaller pincers do not have this reproductive or survival advantage, this implies many crabs with small pincers will not survive a long time or will not reproduce, and therefore this trait will not past to their offspring. Moreover, this situation will cause after many generations the large claws trait prevails, while the small claws trait decreases because crabs with larger claws are more suitable. According to this, it is expected the percentage of crabs with large claws would increase.
Why does a layer of ice form on the surface of a pond during freezing weather?
Answers
Answer:
Water freezes from the top down—which allows ice to float—because of a strange quirk in how water's density behaves at falling temperatures. ... At 4 °C water is still in its liquid form. In lakes and rivers, this water will cool at the surface, grow denser, and descend.
Explanation:
Answer:
Colder than 4° Celsius (39° Fahrenheit), water begins expanding and becomes less dense as it gets colder. As a result, close to freezing, colder water floats to the top and the warmer water sinks to the bottom. ... Ice is less dense than water because of the way it forms a hexagonal crystalline structure.
Explanation:
Hope that helps!
Embryology is the study of the development of an
the mother's uterus.
which is a fertilized egg attached to the wall of
Answers
Answer:
Embryo
Explanation:
It's in the name
Answer:
embryo
Explanation:
Which is an example of homeostasis? *
A snake's blood is the same temperature in hot weather and in cold weather.
A turtle sits in the sun on warm days and in the shade in cool days.
O A polar bear catches its prey with its front paws.
A human sweats in hot weather and shivers in cold weather.
Answers
Answer:
A
Explanation:
Homeostasis is the maintaining of internal conditions. Answer A is correct because it is maintaining internal conditions which is the blood temperature.
Which is required for sexual reproduction?
mitosis
binary fission
diploid cell production
meiosis
Answers
Answer:
diploid cell production
Explanation:
in humans
