The active transport pump used to move sodium ions across the membranes of gill cells in a freshwater fish has each of the following characteristics EXCEPT:
answer choices
It uses osmosis to carry sodium ions into the cells.
It requires energy.
It has a specific binding site for ATP.
It has a specific binding site for sodium ions.
Answers
Option A, Each of the above features may be found in a freshwater fish's active transport pump, except the fact that it brings dissolved salts into the cells via osmosis.
Fish that spend the most or all of their life in bodies of water with a salinity of less than one percent are referred to as freshwater fish.
Cell transport is the passage of ions, macromolecules, or other substances into or out of a live organism's cell through the cell membrane.
There are essentially two (2) primary forms of cell transport, which include:
Chemicals can be moved through a cell membrane passively while their concentration is regulated.
Active transport is the movement of compounds across the cell membrane against a gradient of concentration and in the presence of oxygen from a location of lower concentration to a region of higher concentration.
A protein pump uses adenosine triphosphate (ATP) as energy during active transport to transfer molecules against a gradient of concentration from one area of lower concentration to another.
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Related Questions
Suppose you want to investigate whether the type of music
students listen to while studying can affect their test
scores.
Which statement represents a valid hypothesis about music and studying?
OA. If you listen to calming music while you study, then you are more
likely to feel calm during the test.
B. Does the type of music played while studying affect test
performance?
C. Students who listen to music with faster beats while studying
perform better on tests.
D. Most people prefer pop or jazz music when studying for a test.
Answers
Answer: C because it is a testable hypothesis. For instance you could only listen to one genre for a term and another for the next term and then compare your scores.
Explanation: A is incorrect because you can not test a feeling like how calm you are.
The Galapagos Islands were formed from underwater volcanic activity. The islands initially were barren, supporting no life, and then they went through a series of colonization stages. The equilibrium model of island biogeography states that the species composition on an island will constitute a balance between the immigration and extinction rates. Based on the equilibrium model of island biogeography, indicate if the following statements concerning succession on the islands are predicted to be true or false.
a. Species arriving later might outcompete earlier arriving species, driving them to extinction.
b. The number of species on an island decreases as a function of the distance from the source-pool (in this case, mainland South America).
c. The number of immigrants will increase the closer the island is to the source.
d. The rate of extinction will be lower on smaller islands due to small population sizes and less competition.
Answers
Answer:
a. Species arriving later might outcompete earlier arriving species, driving them to extinction. (True)
b. The number of species on an island decreases as a function of the distance from the source-pool (in this case, mainland South America). (True)
c. The number of immigrants will increase the closer the island is to the source. (True)
d. The rate of extinction will be lower on smaller islands due to small population sizes and less competition. (False)
Explanation:
The equilibrium model of island biogeography, from the question, states that the species composition on an island will constitute a balance between the immigration and extinction rates.
The succession on the island would be how the species composition on an island develops gradually with time.
So, species arriving later might outcompete earlier arriving species. As the Islands continue to develop, major players like the primary producers and other factors that aid ecological development would support the growth of species that would previously have struggled to live on the island.
The number of species on an island can also be determined by the distance from the source-pool (in this case, mainland South America).
The more the island gets food from a near source, the more the influx of those organisms to the island.
So many factors contribute to extinction, some include, natural disasters, evolutionary changes, loss of habitat. Small population sizes and less competition do not mean a lower rate of extinction.
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The author of the passage would most likely agrees that
Answers
Answer:
The answer is D
Explanation:
it is the only one that makes sense
Watch the virtual lab demonstrating DNA extraction. In this experiment how do the lysis solution in the salt solution vary by function?  Watch the virtual lab demonstrating DNA extraction.
Answers
Answer:
Explanation:DNA extraction is isolation of DNA from the cell
First of all lysis solution is a buffer solution that serves the purpose of breaking those open cells in the experiment of DNA extraction .
Lysis solution is mainly buffer and ionic salts,they create isolated environment for the components of the cell.
The lysis solution contain more than one salt.This salt develops ionic strength in the solution.
How do birds and dogs both use DNA as instructions for building their bodies
even though they are very different organisms?
O A. Their DNA has the same nucleotide bases, but in different
patterns.
B. Their DNA has different types of nucleotide bases.
C. Their DNA has different lengths.
D. Their DNA is made of different types of molecules.
Answers
Answer:
DNA is language of life, which uses only four letters (=nitrogenous bases). In this language only three-letter words are allowed (=codons)
Which of the following is an example of qualitative data?
fifteen ducks
twelve degrees Celsius
brown seeds
three miles of road
Answers
Answer: Brown seeds
Explanation:
Qualititative is a description of an observation while quantitative uses numbers
Answer:
3 miles of road i think i may be wrong.
Explanation:
Describe the three patterns of communication
Answers
The three patterns of communication include:
Verbal CommunicationThe most evident kind of communication would appear to be verbal communication. It makes use of spoken language, either in-person or over the phone. Although most encounters need verbal communication, there are other nonverbal indicators that can add to the meaning of the words themselves. A more sophisticated message is conveyed when spoken language is combined with nonverbal communication.Non-verbal CommunicationThe use of body language might reveal some information about a speaker's word choice. It can reflect sarcasm, complacency, dishonesty, or sincerity. Body language, including the speaker's posture, hand gesture, facial expressions, and even look, is a common way to communicate these things. A untidy speaker with wrinkled clothes and slouching posture, for example, might convey a lack of assurance or knowledge. Visual Communication Signs, maps, and drawings, as well as color and graphic design, are all examples of visual forms of communication. These frequently support verbal communication and aid in proving a point. Visual aids can aid in the presentation of the message by helping the speaker remember key points, providing the audience with something to look at, and more.Learn more about communication here:
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Laaj made a Venn diagram to compare and contrast the two stages of cellular respiration.
Which belongs in the area marked X?
(A) Energy is released.
(B) Oxygen is used up.
(C) Glucose is broken down.
(D) Carbon dioxide is used up.
Answers
The area marked X on Laaj's Venn diagram indicates that (C), Glucose is broken down.
What is the process of cellular respiration?
The first stage of cellular respiration is glycolysis. It takes place in the cytoplasm of the cell and involves the breakdown of glucose into two pyruvate molecules, producing a small amount of ATP and NADH.
Cellular respiration is the process by which cells convert nutrients into energy in the form of ATP (adenosine triphosphate). The process occurs in three main stages: glycolysis, the Krebs cycle, and the electron transport chain.
Overall, cellular respiration allows cells to convert the energy stored in nutrients into a form that can be used to fuel the cell's activities.
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What was the climate like prior to the extinction ?
Answers
Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
A ____ is the part where most plants make their own food.
Answers
Answer:
A __leaves__ is the part where most plants make their own food.
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A cellular process is shown in three steps
Answers
Answer:
The cell cycle is composed of interphase (G₁, S, and G₂ phases), followed by the mitotic phase (mitosis and cytokinesis), and G₀ phase.
Explanation:
Source: Khanacademy
Brainliest, Please!What is the function of ATP in this image? •It releases the potassium ions from the protein•It allows Sodium to be moved into the cell•It allows the protein to revert to its original shape•It changes the shape of the protein
Answers
Sodium ions bind to the pump and a phosphate group from ATP attaches to the pump, causing it to change its shape. In this new shape, the pump releases the three sodium ions and now binds two potassium ions. Once the potassium ions are bound to the pump, the phosphate group detaches. This in turn causes the pump to release the two potassium ions into the cytoplasm.
The ATP here changes the shape of the protein.
How does a culture help in an experiment
Answers
Answer: one way I think it helps is, that the culture helps bring creativity into the environment
Explanation:
Which two Kingdoms are nearly the same, except for where they can survive?
A. Plantae and Fungi
B. Protista and Plantae
C. Eubacteria and Archaebacteria
D. Protista and Archaebacteria
Answers
Eubacteria and Archaebacteria are the two Kingdoms are nearly the same. The correct option is C.
What are eubacteria?Eubacteria are prokaryotic microbes that consist of a single cell that lacks a nucleus and contains DNA in the form of a single circular chromosome.
Eubacteria are gram-negative or gram-positive bacteria with economic, agricultural, and medical significance. E. coli, Lactobacilli, and Azospirillum are among them.
Archaebacteria are referred to as ancient bacteria, whilst the eubacteria are referred to as true bacteria.
Archaebacteria, unlike eubacteria, can survive in harsh environments.
The resemblances are that archaea and eubacteria are both prokaryotes, which are single-celled organisms without a nucleus or organelles.
Thus, the correct option is C.
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What's the correct term for the descriptions
Creates proteins:
Packages proteins:
Moves proteins to the correct regions of the cell:
Fortifies the cell shape:
Mostly made of water:
Microtubule, Cytosol, Golgi Apparatus, Rough Endoplasmic Reticulum, Lysosome, Ribosome
Answers
Creates proteins: Ribosome
Packages proteins: Golgi Apparatus
Moves proteins to the correct regions of the cell: Microtubule
Fortifies the cell shape: Cytoskeleton
Mostly made of water: Cytosol
Ribosomes are organelles that are responsible for creating proteins by assembling amino acids based on the information provided by messenger RNA (mRNA). They can be found in both prokaryotic and eukaryotic cells. The Golgi Apparatus is a stacked organelle that modifies, sorts, and packages proteins into vesicles for transport to their final destinations within the cell or for secretion outside the cell.
Microtubules are part of the cytoskeleton, which is a network of protein fibers that provide structural support and shape to the cell. Microtubules are responsible for moving proteins and other cellular components to the correct regions of the cell, and they also play a role in cell division. The cytoskeleton is the network of protein fibers that provide structural support and shape to the cell. It is responsible for fortifying the cell shape and helping the cell maintain its structural integrity.
The cytosol is the liquid portion of the cytoplasm, which is the gel-like substance that fills the cell. It is mostly made of water and contains various dissolved ions, molecules, and proteins that are essential for cellular processes.
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Why does blood appear to be red?
Answers
Answer: Hemoglobin
Explanation:
A man and woman have a son who is color blind, a recessive sex-linked trait carried on the X chromosome, but neither parent is color blind. The woman is now pregnant with their second child. Which of the following statements is true about the second child? A daughter will be color blind because the father is a carrier of the recessive allele. A son will be color blind because the mother is a carrier of the recessive allele. A daughter will not be color blind because the father is not a carrier of the recessive allele. A son will be color blind because the father’s mother must have been a carrier for recessive allele.
Answers
Answer:
A daughter will not be color blind because the father is not a carrier of the recessive allele
A man and woman have a son who is color blind, a recessive sex-linked trait
carried on the X chromosome, but neither parent is color blind therefore the
daughter will not be color blind because the father is not a carrier of the
recessive allele
Color blindness trait is sex-linked because the trait is carried on the
chromosomes. The female have XX chromosomes while the male have XY
chromosomes. The color blind trait in the son(XY) is as a result of the
woman donating the X chromosomes which is defective and the Y
chromosome came from the man which has no issues.
in this scenario, half of their male children will have normal vision while the
other half will be color blind. The father's X chromosome is normal and all the
girls(XX) will have normal vision but will have the color blind trait in their
chromosomes because the XX chromosome are donated from both the man
and woman.
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How does artificial selection differ from natural selection? Select all that apply.
A. During artificial selection, the mating pairs are selected by humans, not the organisms.
B. The outcomes of artificial selection are predictable.
C. Artificial selection requires variety in a population.
D. Artificial selection does not help a population adapt to its environment.
Answers
Answer: A
Explanation:
Artificial selection is the process by which humans choose individual organisms with certain phenotypic trait values for breeding.
Your friend claims that an energy pyramid may not have the same shape as a pyramid of numbers for the same ecosystem, as shown in the diagrams.
Energy Pyramid
Pyramid of Numbers
Trophic 3
level
2
Trophic 3
level
2
Joules (J)
Number of individuals
Which statement accurately uses the diagrams to support this claim?
• A. A few large producers can support a very large primary consumer population, as shown in the pyramid of numbers.
B. Occasionally, primary consumers are able to carry out photosynthesis, as shown in the pyramid of numbers.
c. A large number of producers can support the same number of primary consumers, as shown in the energy pyramid.
D. Higher trophic levels always contain fewer individuals, as shown in both the energy pyramid and the pyramid of numbers.
Answers
The correct statement that accurately uses the diagrams to support the claim that an energy pyramid may not have the same shape as a pyramid of numbers for the same ecosystem is: Higher trophic levels always contain fewer individuals, as shown in both the energy pyramid and the pyramid of numbers.
The correct answer is option D.
Both the energy pyramid and the pyramid of numbers illustrate the relationship between trophic levels in an ecosystem. The energy pyramid represents the flow of energy through different trophic levels, with each level consuming a portion of the energy from the level below. As energy is transferred, some energy is lost as heat, resulting in a decrease in available energy at higher trophic levels. This reduction in energy availability limits the number of organisms that can be supported at each level, leading to a decrease in the number of individuals as we move up the pyramid.
Similarly, the pyramid of numbers represents the number of individuals at each trophic level in the ecosystem. It typically follows a similar pattern to the energy pyramid, with a larger number of individuals at lower trophic levels and a decreasing number of individuals at higher trophic levels. This is because energy transfer is not 100% efficient, and as energy flows through the food chain, it supports a smaller number of organisms at each successive level.
The statement in option D accurately highlights the consistent pattern observed in both the energy pyramid and the pyramid of numbers, where higher trophic levels contain fewer individuals. This supports the claim that the shape of an energy pyramid may not necessarily match the shape of a pyramid of numbers, as the number of individuals in each trophic level is influenced by factors other than energy availability, such as predator-prey interactions and reproductive rates.
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Compare and contrast trends in participation in sport and active leisure
Answers
The active leisure industry is a group of activities, events, and activities that combine fitness and outdoor activities. These activities are usually non-structured, non-competitive, and promote an active, healthy lifestyle.
Adult sports and activities include walking, fitness or gym, running or athletics, swimming, cycling, bushwalking, football or soccer, and yoga.
In today’s world, Physical Activity (PA) is no longer just a personal and individual choice; it is a social and political necessity. Its importance is recognized by public health authorities and governments around the world, which has led to an increase in PA activity (mainly due to the growing awareness of the negative health impacts of a lack of physical activity).
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Which is a type of red blood cell disorder?
anemia
platelet disorder
blood clots
high blood pressure
Answers
Answer:
anemia
Explanation:
red cell membrane disorders (e.g. hereditary spherocytosis) hemoglobinopathies (e.g. sickle cell disease and thalassemia) hemolytic anemia. nutritional anemias (e.g. iron deficiency anemia, and folate deficiency)
Where are the oldest fossils located and why?
Answers
Answer:
Western Australia
Explanation:
Microscopic fossils discovered in a nearly 3.5 billion-year-old piece of rock in Western Australia.The oldest fossils ever found and indeed the earliest direct evidence of life on Earth
8. X= 36 x 12 of 18
9. X = (25 x 3) = 15
10. X = 12 x 14 of 16
Answers
Explanation:
8: X. =. 36x12x18=7776
9:. X. =. 25x3=15
X. =. 75=15
X. =. 5
10:. X. =. 12x14x16=2688
Which type of energy is created by splitting atoms?
A. Fusion
B. Geothermal
C. Fission
D. Tidal
Answers
Atomic fission is the process through which energy is produced. The right answer is C.
Atomic splitting produces a particular form of energy known as fission. It is a nuclear process in which a huge quantity of energy is released along with the splitting of an atom's nucleus into two or more smaller nuclei.
In fission, neutrons are used to hit heavy atomic nuclei, such as uranium-235 or plutonium-239, creating an unstable nucleus.
Then, this nucleus splits into two or more smaller nuclei, releasing more neutrons and a substantial amount of energy in the process.
Thus, the correct option is C.
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d) What happens to a microscope if place at the edge?
Answers
When the object is placed on the slide and is in focus for each objective, the space between the slide and the objective lens gets reduce, so the microscope shouldn't be set exact at the edge.
As the objective magnification increases, the working space also increases. Therefore, you need to change it to a higher power target.
Change the focus knob to increase the stage as you look at the objective lens and stage from the side. Without permitting the objective to make contact with the coverslip, increase it as high as it can go. The sample's focus or the condenser and light intensity might need to be arranged.
Thus the accurate way to focus is that adjustments need to be made effectively and smoothly
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what type of thermal energy is steam
Answers
Answer:
effect on?? not 100% sure
Explanation:
Steam is a capacious reservoir for thermal energy because of water's high heat of vaporization.
please help ASAP i’ll give brain
Answers
Answer:
27. f 28. d 29. b 30. a 31. g 32. h
Explanation:
PLEASE HELP I HAVE A PICTURE
Answers
Answer:
RISES ABOVE
Explanation:
When an oceanic plate converges with a continental plate, the oceanic crust will always subduct under the continental crust; this is because oceanic crust is naturally denser. Convergent boundaries are commonly associated with larger earthquakes and higher volcanic activity.
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write a short essay (not more than 5 sentence ) on how you think life began on earth
Answers
Answer:
The earliest known life-forms are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 Gya (billion years ago), relatively soon after the oceans formed 4.41 Gya, and not long after the formation of the Earth 4.54 Gya.
Explanation:
Carbonic anhydrase is a protein present in red blood cells. It catalyzes a reaction to convert carbon dioxide into carbonic acid and bicarbonate ions so that CO2 waste may be more easily removed from the body.
What role does this protein play in the body?
Answers
Carbon dioxide is converted to carbonic acid and bicarbonate ions with the help of the enzyme carbonic anhydrase found in red blood cells. The same enzyme aids in converting the bicarbonate ions back to carbon dioxide when red blood cells go to the lungs, where they are exhaled.
What is the action of carbonic anhydrase?In humans, the primary function of carbonic anhydrase is to catalyze the transformation of carbon dioxide into carbonic acid and back again. However, it can also aid in the blood's transportation of CO2, which benefits breathing. Even the stomach's production of hydrochloric acid can use it.
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