Which proteins are used in active and passive transport
Answers
There are many different proteins (aquaporins, sodium potassium pump, transporters) that are involved in both active and passive transport across biological membranes.
Active transport:
The enzymes known as ATPases hydrolyze ATP to produce energy for active transport. They can be present in a variety of cell types and are responsible for moving a wide range of ions and molecules across membranes.
The plasma membrane's ion concentration gradients are maintained by the sodium-potassium pump, a kind of ATPase that is present in mammalian cells.
Ion channels are proteins that create membrane pores that permit specific ions to travel down concentration gradients.
Aquaporins are proteins that make it easier for water to passively diffuse through membranes.
Transporters, also known as carriers, are proteins that bind to particular molecules or ions and, by altering their conformation, make it easier for those particles to traverse the membrane.
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Related Questions
which one technique, discussed in class and listed below, would allow for identification and resolution/separation of proteins of identical molecular mass (kd)?
Answers
Answer: gel electrophoresis and th then western blotting
Explanation:
What are the major muscles of the thigh?
Answers
The thigh is a large, complex area of the body that contains several major muscles. These muscles are responsible for movement and stability of the hip and knee joints, and are important for activities such as walking, running, and jumping.
Quadriceps femoris: This muscle group is located on the front of the thigh and is made up of four muscles: rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius. These muscles work together to extend the knee, as well as to provide stability to the knee joint.
Hamstrings: This muscle group is located on the back of the thigh and is made up of three muscles: biceps femoris, semimembranosus, and semitendinosus. These muscles work together to flex the knee and extend the hip.
Adductor muscles: This muscle group is located on the inner thigh and is made up of several muscles such as adductor magnus, adductor longus, adductor brevis. These muscles work together to adduct the thigh (bring it towards the midline of the body)
Gluteus maximus: The gluteus maximus is the largest muscle in the body and is located in the buttocks. It is responsible for extending and rotating the hip.
Sartorius: This muscle is the longest muscle in the body and runs obliquely across the front of the thigh. It is responsible for hip flexion and knee flexion, as well as medial rotation of the thigh.
Each of these muscles plays an important role in the movement and stability of the thigh and hip, and they work together to allow us to perform a variety of activities.
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During which phase of meiosis are the chromatids first separated from each other?.
Answers
Answer:
In the anaphase II
Answer:
During which phase of meiosis are the chromatids first separated from each other? Anaphase
Explanation:
The chromosomes move away from one another to opposing poles of the spindle during meiotic or mitotic cell division.
an impulse from the brain to the knee joint will travel on ___________ neuron.
Answers
An impulse from the brain to the knee joint will travel on a motor neuron.
Motor neurons are a type of nerve cell that carry signals from the central nervous system (brain and spinal cord) to muscles, organs, and glands, allowing for movement and other bodily functions. The motor neuron responsible for transmitting the impulse to the knee joint is part of the somatic nervous system, which controls voluntary movements and reflexes.
The impulse travels down the motor neuron, triggering the release of neurotransmitters that signal the knee muscles to contract or relax, resulting in movement or stabilization of the joint. It is important to note that the speed at which the impulse travels on the motor neuron can be affected by factors such as nerve damage, disease, and injury. So therefore an impulse from the brain to the knee joint will travel on a motor neuron.
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Bacteria that are grown on media containing glucose respond by increasing the amount of lactase enzyme. this is an example of enzyme regulation by?
Answers
Enzyme regulation by inducible gene expression, where the presence of glucose activates the lactase gene, leading to increased lactase enzyme production in bacteria.
The peculiarity depicted, where microorganisms increment how much lactase compound because of the presence of glucose in the development media, is an illustration of chemical guideline by inducible quality articulation.
Inducible quality articulation alludes to the actuation or enlistment of explicit qualities because of specific ecological circumstances or signs. For this situation, the presence of glucose in the development media fills in as the inducer for the lactase quality.
At the point when glucose is free, it goes about as a sign that sets off the enactment of the qualities liable for creating lactase protein.
The administrative instrument hidden this interaction includes explicit proteins known as record factors. Without a trace of glucose, a repressor protein ties to the administrator district of the lactase quality, forestalling its demeanor.
In any case, when glucose is available, it communicates with the repressor protein, causing a conformational change that prompts its separation from the administrator.
Thus, the lactase quality is as of now not hindered, permitting the record elements to tie to the advertiser locale and start the outflow of the quality, prompting expanded creation of lactase catalyst.
By and large, this is an illustration of inducible quality articulation, where the presence of glucose goes about as an inducer, setting off the statement of the lactase quality and at last bringing about the expanded creation of lactase chemical by the microscopic organisms.
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If you had to determine if these cells were archaea or bacteria, which would be a good clue that the cells are archaea
Answers
Historically, archaea were referred to as archaebacteria and were categorized as bacteria. However, it was found that, in contrast to bacteria, archaea have a unique evolutionary history.
What are the differences between archaea and bacteria?A domain or kingdom of unicelled microbes is called the Archaea. Since these microorganisms are prokaryotes, their cells lack a cell nucleus and any other membrane-bound organelles. A significant portion of prokaryotic microorganisms are bacteria. Bacteria come in a variety of shapes, and are typically only a few micrometers long.Archaea live in extreme environments such as hot springs, gut of ruminants and humans, marshland etc. Bacteria are ubiquitous, they are found everywhere.Learn more about archaea here:
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Can someone help me
Answers
But it looks like some type of euglenoid because it has an eyespot and a flagellum which is something that most plant cells don’t have
an increase in the size and strength of muscle tissues is called _____.
Answers
The increase in the size and strength of muscle tissues is known as muscle hypertrophy.
Muscle hypertrophy is a term used to describe the growth and enlargement of muscle cells, resulting in the enlargement of muscle fibers and overall muscle size. When muscles are challenged through exercise, they respond by increasing in size and strength, a phenomenon known as muscle hypertrophy. The growth of muscle tissue results from an increase in the size and number of muscle fibers.
Muscle fibers are the individual muscle cells that make up muscles. Each fiber is comprised of several myofibrils, which are long, thin protein strands responsible for the contraction and relaxation of muscles. When muscles are challenged through exercise, the muscle fibers respond by increasing in size and number. This results in an overall increase in muscle size and strength.
In order to stimulate muscle hypertrophy, it is important to engage in regular strength training exercises. These exercises should target specific muscle groups and involve lifting weights or using resistance to challenge the muscles. Over time, the muscles will adapt to this stress by growing larger and stronger, resulting in muscle hypertrophy.
In conclusion, muscle hypertrophy is the growth and enlargement of muscle cells, resulting in an increase in muscle size and strength. It is achieved through regular strength training exercises that challenge the muscles and stimulate growth.
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Please Help Due Soon!!
Place the four images from the cell cycle in the correct chronological order.
A, D, B, C
C, D, B, A
C, B, A, D
B, C, D, A
Answers
Answer:
CBAD
Explanation:
Communication scheme
Explain the following scheme, mentioning the type of communication, cells and molecules involved, type of ligand, type of receptors, and its secretory pathway
Answers
The given image is of the synapse. Transmission of impulse from the presynaptic neuron to postsynaptic neuron.
What are receptors?Although there are several varieties of receptors and ligands, they all come in closely matched pairs, with a receptor only being able to detect one (or a small number of) specific ligands and a ligand binding to just one (or a small number of) target receptors.
When a ligand attaches to a receptor, the receptor's shape or activity is changed, allowing the receptor to transmit a signal or cause a change in the cell directly.
Although there are many different kinds of receptors, they can be categorized into two groups: cell surface receptors, which are found in the plasma membrane, and intracellular receptors, which are found inside the cell (in the cytoplasm or nucleus).
The given image is of the synapse. Transmission of impulse from the presynaptic neuron to postsynaptic neuron.
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Discussion Topic
Each substance has a unique set of properties that depends on the kinds of atoms it
has and how the atoms are connected, or bonded. Bonding is related to the electrons in
an atom, and there are different kinds of bonds. As a result, some substances can have
the same atoms but different bonds. Substances that are different but have the same
atoms are called allotropes. Allotropes have very different properties.
Diamond and graphite are well-known allotropes. Graphite is used in pencils for writing
and is sometimes called lead. Diamond is colorless and transparent, and is one of the
hardest substances known. Graphite is dark gray and soft. When we write, layers of
graphite easily transfer from the pencil to the paper. Although they're different, diamond
and graphite each only contain one kind of atom-carbon.
How do you think the bonds between carbon atoms might be different in diamond and
graphite? Use household materials to build physical models to help you develop your
ideas. Describe what you learned from your models. What other kinds of allotropes are
there? What kinds of properties and atomic bonds do they have?
8 Response(s)
Answers
Diamond and graphite are two different forms of carbon with unique properties. Diamond is very hard and transparent, while graphite is soft and dark gray, often used in pencils. Despite both being made of carbon atoms, they have different bonding arrangements.
In diamond, carbon atoms are tightly bonded in a three-dimensional structure. Each carbon atom is connected to four neighboring carbon atoms, forming a strong lattice. This arrangement gives diamond its hardness and transparency.
In graphite, carbon atoms are arranged in layers. Within each layer, the carbon atoms form hexagonal patterns and are bonded together. However, the layers are held together by weaker forces, allowing them to slide past each other easily. This is why graphite is soft and can leave marks on paper when we write.
Besides diamond and graphite, there are other types of carbon allotropes. For example, fullerenes are spherical carbon molecules with unique properties. Carbon nanotubes are cylindrical structures made of rolled-up graphene sheets. These different allotropes have their own distinct properties based on their bonding arrangements.
So, even though diamond and graphite are made of the same carbon atoms, their different bonding structures result in their contrasting properties, such as hardness, transparency, and softness. Exploring these allotropes and their atomic bonds helps us understand the relationship between the structure of substances and their properties.
The bonding structures between carbon atoms in diamond and graphite differ, resulting in varied properties. Creating physical models from everyday items can help visualize these structures. Other carbon allotropes include fullerene and graphene, each with unique bonding and properties.
Explanation:The bonds between carbon atoms in diamond and graphite differ in the way they are structured. In a diamond, each carbon atom is bonded to four other carbon atoms in a tetrahedral structure. This strong, three-dimensional network of bonds is what gives diamond its hardness. On the other hand, in graphite, each carbon atom is bonded to three others in a layered, hexagonal structure. This allows layers to slide over each other easily, making graphite soft and slippery.
For building physical models, you could use marshmallows or beads to represent carbon atoms and toothpicks or straws for bonds: arrange them in different ways for diamond and graphite. From this, you'll learn that the same atoms can form different structures with different properties based on their bonding.
Other allotropes of carbon include fullerene (spherical-shaped) and graphene (one-atom-thick layer of carbon). Fullerene has weak van der Waals forces between its molecules, and graphene has a strong, two-dimensional network of carbon atoms.
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A bird species requires abundant shoreline and a high population of insects within its habitat. You observe a population of these birds with a low density and adequate resources, but the population seems to be growing very slowly. What might be an explanation for the slow population growth?
Answers
Answer:
i am not sure of this answer because there are a lot of answers for this question but what i came up to is that there might be a large population of different predators that hunts down this bird species
Explanation that means that the more the predator feeds on this bird species ( and other species too , unless this species is the predator's main source of food) the more the population of predators increase and that means that the predators will keep feeding on this bird species until it completely wipes out this bird species or the bird species migrates to an area where there are less predators.
(hope this help + i answered according to how i understood the question)
What is the most effective way to preserve species diversity?.
Answers
Answer:
Support local farms: Regularly buying from small local farmers at stands or markets helps to keep dollars in the local economy and supports agricultural efforts to conserve biodiversity.
Plant local flowers, fruits and vegetables: By supporting local wildlife, you’re helping to preserve the biodiversity of your area and support its local ecosystem.
Respect local habitats: Plants growing in the parks and nature preserves near you often play an important role in preserving the local ecosystem.
Know the source! : Check the products you buy and the companies you support to ensure that your buying habits are not contributing to destruction of habitat elsewhere. Look for labels such as FSC or Rainforest Alliance Certified.
Explanation:
Biodiversity is more than simply the collection of plants and animals on earth; it is about local ecosystems and promoting healthy conditions for organisms to thrive. While protecting the rainforests sounds like a daunting task, there is a lot you can do to promote and preserve local biodiversity at home.
Epithelial cell must be replaced quickly in order to prevent _______________________ and ____________________ from entering. Also they prevent ___________________________ from escaping the tissues.
Answers
Answer: germs and toxins and they prevent moisture from escaping the tissues
Explanation:
How does carbon dioxide affect whales?
Answers
Whales accumulate carbon in their bodies during their long lifespans. When they die, they sink to the bottom of the ocean. Each large whale binds an average of 33 tons of carbon dioxide and removes this carbon from the atmosphere over centuries. Trees, on the other hand, only absorb up to 48 pounds of CO2 per year.
Rapid global warming has led to habitat loss for whales and dolphins, increasing competition for fewer and fewer prey species. It affects the timing and extent of migration, distribution and even fertility.
Scientists call large whales "ecosystem engineers." Research shows that whales cycle nutrients in the oceans, help produce the oxygen we breathe, and play an important role in mitigating greenhouse gases. Whales are not only amazing, they are breathtaking.
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The fruiting body found above ground in fungi is called the
A. cap.
B. hyphae.
C. mycelium.
Answers
Answer:
fruiting body is called cap
The mycelium is the fruiting body found above ground in fungi.
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.
A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
A mycelium is a network of fungal threads or hyphae. Mycelia often grow underground but can also thrive in other places such as rotting tree trunks. A single spore can develop into a mycelium. The fruiting bodies of fungi, such as mushrooms, can sprout from a mycelium.
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Question 3
When dissolved in water, many bases release which of the following particles?
Select one:
a. Htions
lil
b. H2 molecules
C. (OH) ions
DE
d. O molecules
CLE
Answers
Bases release OH- ions in solutions, whereas Acids release H+ ions in solutions
How would cactuses in their ecosystem change through the everyday act of living?
Answers
Answer:
They may change due to environmental changes. for example, if a cactus suddenly experiences a drought, it may change to become better at holding water than before. if it suddenly experiences large amounts of rainfall, it may change to release more water, etc.
Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answers
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
I'll give you a brainliest if it is correct own if you at least give a good explanation
Answers
Answer:
Point B
Explanation:
when earth is away from the sun, it is winter. A is winter, B is spring, C is summer, D is fall so the point is B
hope this helpz plz hit the crown :D
Which of the following cannot reliably prevent the impact of hurricanes on hurricane-prone places?
A)
restoring freshwater marshes
B)
allowing the growth of a natural buffer of trees
C)
completely preventing settlements in areas that seem prone to catastrophes
D)
encouraging people to avoid settling in areas known to be hazardous
E)
using satellite images to predict hurricanes
Answers
Answer:
I think the answer is d I hope this help
Answer:
A) restoring freshwater marshes
Explanation:
got it right on edg
What happens during cytokinesis with plant cells?
Answers
Answer: the conjoined two daughter cells seperate.
Explanation:
Answer: Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. During cytokinesis, the cytoplasm splits in two and the cell divides. ... In plant cells, a cell plate forms along the equator of the parent cell. Then, a new plasma membrane and cell wall form along each side of the cell plate
Explanation:
What causes a volcanic eruption?
Answers
Tara sees a commercial for a brand of pills that promise to boost energy and help people perform better in work and school. As people in the commercial talk about how much better they feel when taking the pill, Tara notices a message on the bottom of the screen that reads, "This pill is not approved by doctors and has not been tested in controlled experiments." What is the best conclusion that Tara should make about the commercial? It is making scientific claims based on subjective observations. It is making scientific claims based on opinions instead of pseudoscientific facts. It is making pseudoscientific claims based on objective observations. It is making pseudoscientific claims based on opinions instead of scientific facts.
Answers
Answer:
It is making scientific claims based on subjective observations.
Explanation:
The correct conclusion to make in this case who be that the commercial advert is making scientific claims based on subjective observations.
This is so because the drug has not been tested by subjecting its effectiveness to adequate experimental procedures with control regimes. It is being sold based on anecdotal evidence from non-randomly selected subjects and as such, the claims are subjective and totally unscientific. Hence, making scientific claims is wrong.
Answer:
A)It is making scientific claims based on subjective observations.
Explanation:
What differentiates “digital media” from traditional media? Responses Digital media is meant to be watched rather than read, such as videos. Digital media is meant to be watched rather than read, such as videos. Digital media is all about computers and other kinds of technology. Digital media is all about computers and other kinds of technology. Digital media is distributed online and through other technological devices. Digital media is distributed online and through other technological devices. People handwrite digital media by using letters and drawings. People handwrite digital media by using letters and drawings.
Answers
Digital media refers to any online platform, including email, social media, websites, and video streaming, whereas traditional media refers to sources that were around before the internet.
What diverse media formats set conventional media apart from non-traditional media?Traditional media and modern media are the two primary categories of media. Print and broadcast media, such as books and newspapers, as well as television and radio, are examples of traditional media. Digital media, like the Internet and social media, is included in new media.
Which of the two is conventional media and new media, and how would you succinctly justify your choice?By the use of new media, businesses may engage with customers who have actively sought them out. Compared to outbound marketing, inbound marketing typically attracts more open-minded customers.
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Over time, some of the decaying organic matter and sediment on the ocean floor may be converted into fossil fuels (oil and gas). How does this stored carbon get released back into the carbon cycle?
A.
as bicarbonate when it is reabsorbed
B.
as calcium carbonate when it fossilizes
C.
as carbon monoxide when it is mined
D.
as carbon dioxide when it is burned
Answers
Over time, some of the decaying organic matter and sediment on the ocean floor may be converted into fossil fuels. The stored carbon get released back into the carbon cycle is carbon dioxide when it is burned. Thus, the correct option is D.
What is Carbon cycle?The carbon cycle is the nature's way of reusing carbon compounds, which travel from the atmosphere into living organisms in the Earth and then back into the atmosphere over and over again in ecosystem. Most of the carbon is stored in the rocks and sediments, while the rest is stored deep in the ocean, atmosphere, and living organisms.
When the animals die, they decompose, and their remains become the sediments, which traps the stored carbon in layers which eventually turn into rocks or minerals. Some of this sediment might form fossil fuels, such as coal, oil, or natural gas, which then release the carbon compounds back into the atmosphere when the fuel is burned in air.
Therefore, the correct option is D.
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Please help me out and give me the answer :).
Answers
Answer:
A. less genetic variation in human
Explanation:
the species could die out due to disease and any immunity gained will die with the individual.
what amino acids would be produced from mRNA sequence CGCUAAGC?
Answers
Answer:
QUESTION? Do you want the congruent base pair or the actual proteins?
6. Which of the following is true during telophase?
a. The nuclear membrane has disappeared.
b. The cell membrane begins to form cleavage furrow at the center.
C. Two new cells are formed with the same number of chromosomes as the parent cell.
d. The centromere of each chromosome divides and pulls them by the spindle fibers toward
the end of the cell.
Answers
Explanation:
what is the name of this website or the book
Question 7 of 30
Which term describes the process by which nations become more connected
through communication, trade, and the exchange of ideas?
A. Globalization
B. Specialization
O C. Desertification
O D. Deforestation
Answers
I believe the answer is globalization ^^
Answer:
The term that will mostly describes the process which nations become More connected through communication, trade and the exchange of ideas is Globalization.