what property of steroid hormones allows them to cross the phospholipid bilayer?steroid hormones can act in very small concentrations and very few molecules of steroids need to cross the lipid bilayer.steroid hormones act on the same cells in which they are produced and, therefore, are within the cell they are acting upon.steroid hormones act on cells close to where they were produced and very few molecules are required to travel such a short distance to cross the lipid bilayer.steroid hormones are lipid soluble and easily cross the phospholipid bilayer.
Answers
Property of steroid hormones allows them to cross the phospholipid bilayer: Steroid hormones are lipid soluble and easily cross the phospholipid bilayer.
The main property of steroid hormones that allows them to cross the phospholipid bilayer is their lipid solubility. Steroid hormones are synthesized from cholesterol and possess a structure that is predominantly hydrophobic or lipid-like. This characteristic enables them to dissolve in the nonpolar lipid environment of the phospholipid bilayer.
The phospholipid bilayer is composed of two layers of phospholipid molecules, which have a hydrophilic (water-loving) head and a hydrophobic (water-repelling) tail. Due to the lipid solubility of steroid hormones, they can easily pass through the hydrophobic region of the bilayer, which consists of fatty acid tails. This allows them to traverse the cell membrane and enter the cell.
Once inside the cell, steroid hormones can interact with specific receptors located in the cytoplasm or nucleus, where they exert their effects on gene expression and cellular processes.
In summary, the lipid solubility of steroid hormones allows them to diffuse through the hydrophobic core of the phospholipid bilayer, facilitating their entry into cells and enabling them to exert their physiological actions.
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Complete question:
what property of steroid hormones allows them to cross the phospholipid bilayer?
steroid hormones can act in very small concentrations and very few molecules of steroids need to cross the lipid bilayer.
steroid hormones act on the same cells in which they are produced and, therefore, are within the cell they are acting upon.
steroid hormones act on cells close to where they were produced and very few molecules are required to travel such a short distance to cross the lipid bilayer.
steroid hormones are lipid soluble and easily cross the phospholipid bilayer.
Related Questions
HELPPPPP
What are the 3 ways we can describe a habitat?
3 SENTENCESSSSS
Answers
2) Use of Pesticide. Increases mercury among fish species.
3) Unsustainable fishing practice. The use of fishing techniques like dredging and trawling reduces fish stock and damage marine habitats on the sea floor.
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One difference between RNA processing of bacteria versus eukaryotes is that in _____ cells, mRNA transcripts undergo RNA processing or modification that is needed for proper translations.
Answers
One difference between RNA processing of bacteria versus eukaryotes is that in eukaryotic cells, mRNA transcripts undergo RNA processing or modification that is needed for proper translations.
In bacteria, transcription and translation occur simultaneously in the cytoplasm, and the mRNA transcript is immediately available for translation. In contrast, in eukaryotic cells, transcription occurs in the nucleus, and the mRNA transcript must undergo several RNA processing steps before it can be transported to the cytoplasm for translation. These RNA processing steps include capping, splicing, and polyadenylation.
During capping, a modified guanine nucleotide is added to the 5' end of the mRNA transcript to protect it from degradation and to help it bind to ribosomes for translation. Splicing involves the removal of introns, non-coding regions of the mRNA transcript, and the splicing together of exons, the coding regions of the mRNA transcript.
Polyadenylation involves the addition of a string of adenine nucleotides to the 3' end of the mRNA transcript to signal the end of the transcript and to aid in its stability and translation. Overall, RNA processing is a critical step in gene expression in eukaryotic cells, and it allows for greater regulation and diversity in the types of proteins that can be produced.
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adjacent neurons are separated by the: please choose the correct answer from the following choices, and then select the submit answer button. answer choices synaptic gap. myelin sheath. dendrite. axon.
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The synaptic gap separates adjacent neurons.
What are neurons and what do neurons perform?Neurons are the primary functional components of the nervous system, and they generate electrical signals called action potentials, which allow them to quickly convey information over large distances. Although glia primarily support the neurons, they are nonetheless crucial for the proper operation of the nervous system.
What makes neurons so important?Information is transported throughout the human body by neurons. They assist in coordinating all of the vital operations of life by using electrical and chemical signals.
What three types of neurons are there?However, we may say that there are three different types of neurons in the spinal cord, sensory, motor, and interneurons.
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helppp plzzzz
what is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure?
A. as air pressure in an area decreases, the density of the gas particles in the area increases and decreases in an alternating pattern.
B. as air pressure in an area decreases the density of the gas particles in the area increase.
C. as air pressure in an area decreases, the density of the gas particles in that area remains constant.
D. as air pressure in an area decreases the density of the gas particles in that area decrease.
Answers
Answer:
As air pressure in an area increases, the density of the gas particles in that area increases.
Explanation:
Which law is represented by the statement below? For every action there is an equal and opposite reaction
Answers
Every action has a corresponding and opposing response, according to Newton's third law of motion. The law specifies that
"When one body exerts a force on the other body, the first body experiences a force that is equal in magnitude and acting in the opposite direction of the force that is exerted."
Nature exhibits a wide range of action-reaction pairs. These are a handful that we've listed:
A prime example of an action-reaction pair is the bird's flight. Air is forced downward by the bird's wings. The air is propelled upward by the air.A swimmer pushes against the water, which pushes back against the swimmer.Rock climbers use their vertical rope to pull themselves upward.Learn more about Newton here:
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a researcher wanted to create a loss of function mutation for studying type i diabetes in a model animal. what mutation might mimic the effects of type i diabetes?
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A loss-of-function mutation is a genetic mutation that makes a gene product less effective or entirely ineffective. In order to analyze the pathological mechanisms underlying type 1 diabetes, scientists have attempted to develop disease models utilizing mutant mice that harbor spontaneous and targeted gene mutations.
A loss-of-function mutation is a genetic mutation that makes a gene product less effective or entirely ineffective. In order to analyze the pathological mechanisms underlying type 1 diabetes, scientists have attempted to develop disease models utilizing mutant mice that harbor spontaneous and targeted gene mutations. The best mutant mice are those that exhibit diabetes, and these mice have been critical to gaining a better understanding of the molecular mechanisms underlying the disease.
To mimic the effects of type 1 diabetes, researchers would likely create a loss-of-function mutation in a gene that is critical for insulin synthesis or insulin release. Insulin is a hormone that regulates blood sugar levels, and people with type 1 diabetes have insufficient insulin production due to the destruction of the insulin-producing beta cells of the pancreas. Mutations in genes such as insulin, glucagon, and somatostatin, which are critical for the regulation of blood sugar, are frequently used to generate diabetic mouse models.
In summary, a loss-of-function mutation in a gene critical for insulin synthesis or insulin release would likely mimic the effects of type 1 diabetes. The exact gene and the nature of the mutation will vary based on the particular research objectives.
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Which of the following are examples of
geographic barriers? Choose two.
Body of water
small stream
Mountain
dirt road
ouTube
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Answer: Mountain, small stream
Explanation:
Bellwork 09/30: One thing Wednesday: What is
the name of 1 players position in football.
Answers
Please help! best answer gets brainliest.
Answers
Simple diffusion: are used for transporting small and uncharged molecule (e.g lipids or water) pass through the lipid bilayer of the cells membrane OR using the protein channel to transport specific ions through.
Facilitated diffusion: using protein carrier to transport the ions down the gradient without using ATP
Active transport: using protein carrier to transportation molecules across the plasma membrane against the gradient by using of ATP
A heterozygous brown hair person is crossed with a homozygous blonde hair person. What are the genotypes and phenotypes of the offspring?
Answers
the most important contribution to the stability of a protein's conformation appears to be the: group of answer choices .Aentropy increase from the decrease in ordered water molecules forming a solvent shell around itBmaximum entropy increase from ionic interactions between the ionized amino acids in a proteinCsum of free energies of formation of many weak interactions between its polar amino acids and surrounding water moleculesDsum of free energies the hundreds of amino acids in a protein
Answers
The total of the free energy of numerous weak interactions between a protein's polar amino acids and surrounding water molecules appears to be the most essential contribution to the stability of its shape.
These interactions, known as hydrophobic and hydrophilic contacts, contribute to maintain a protein's three-dimensional structure, and their strength affects the protein's conformational stability. The hydrophobic effect, which occurs as a result of water molecules being ordered around non-polar groups of a protein, can also contribute to the stability of a protein's shape. However, the total of the weak interactions between polar groups in a protein and the surrounding water molecules plays the most important function in protein conformation stabilization.
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1. Which type of management
approach requires scientists to monitor current practices to adjust them?
a. Maximum Sustainable Yield
b. Ecosystem-Based Management
C. Adaptive Management
d. Resource Management
Answers
The type of management approach that requires scientists to monitor current practices to adjust them is c. Adaptive Management.
Adaptive Management is an approach that focuses on learning from the outcomes of implemented management practices and making adjustments based on new information and feedback. It involves monitoring the results of management actions, collecting data, analyzing the data, and using the findings to inform future decision-making.
By actively monitoring and evaluating the effectiveness of current practices, scientists can identify any shortcomings or unintended consequences and make necessary adjustments to improve management strategies. This iterative process allows for adaptive and flexible management approaches that can better respond to changing conditions and uncertainties in the environment.
Therefore, adaptive management is the type of approach that requires ongoing monitoring and adjustment of current practices based on scientific findings.
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the term, hyperosmotic describes: [select all the correct answers] group of answer choices a solution inside the cell that has lower solute concentration than the fluid outside the cell. a solution inside the cell that has higher solute concentration than the fluid outside the cell. an extracellular solution that has lower solute concentration than the fluid inside the cell. an extracellular solution that has higher solute concentration than the fluid inside the cell. a solution inside the cell has the same solute concentration as the solution outside the cell.
Answers
The term, hyperosmotic describes: An extracellular solution that has higher solute concentration than the fluid inside the cell; a solution inside the cell that has lower solute concentration than the fluid outside the cell.
Hyperosmotic Solution- A bigger difference between solutes and solutions across a membrane is referred to as being hyperosmotic, as well as solutions with higher osmotic pressure. In other contexts, the term "hyperosmotic" refers to a solution that contains more solutes (or solution constituents) than a comparable solution.
Solute Concentration- Solute concentration is defined as the total amount of solutes and particles dissolved in a solution. The ability of a solute to dissolve in a solvent is referred to as solubility.
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Fully explain how multiple hormones are used to control the rate at which glucose is consumed during cellular respiration.
Answers
Insulin and glucagon are two hormones secreted by the pancreas involved in glucose metabolism.
insulin is secreted by the beta cells of the islets of Langerhans and contributes to lowering blood sugar levels. In this case, insulin causes the body's cells to absorb blood glucose in order to reduce it.
while glucagon is secreted by the alpha cells of the islets of Langerhans and contributes to the increase in blood glucose concentration. In this case, glucagon stimulates the liver to release glucose into the bloodstream.
since insulin is secreted when there is a lot of glucose in the blood and glucagon when there is little sugar in the blood, these two mechanisms are opposite and regulate each other, to achieve homeostasis or balance in the organism.
The second heart sound is heard during which phase of the cardiac cycle?.
Answers
We have that the second heart sound is heard when the semilunar valves opens.
Cardiac CycleThe cardiac cycle is simply defined as the complete process of the human heart from the beginning of one heartbeat to the beginning of the next.
Generally, the second heart sound is associated with the opening of the semilunar valves.
Therefore, when the semilunar valves opens.
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1) What is the function of a protein? A) provides a quick supply of energy, main source of energy B) dissolves and carries nutrients, removes waste, and regulates body temperature C) builds new tissues antibodies, enzymes, hormones, and other compounds: repairs damage D) facilitate use of other nutrients involved in regulating growth and manufacturing hormones
Answers
(c) building new tissues antibodies, enzymes, hormones, and other compounds is the function of a protein.
what is enzymes?Proteins called enzymes serve as biological catalysts by quickening chemical reactions. Substrates are the molecules that enzymes can interact with, and the enzyme changes the substrates into other molecules known as products.
what are tissues ?A collection of cells with similar structures and functions is referred to as a tissue. The intercellular matrix, a nonliving substance, fills the spaces between the cells. There might be a lot of this in some tissues and not much in others.
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I need help on it please
Answers
Answer:
1. Solar energy
2.carbon dioxide and water
3. carbohydrates
4.In the leaves
Why might the expression of a transgene be especially abnormal in vertebrates with larger average size of genes and amount of heterochromatin in their genomes?
Answers
Answer:
position effect
Explanation:
Position effect refers to the consequences on the expression of a gene/transgene when it is inserted into a new genomic location, thereby explaining how transgene's behavior is affected by its genomic location. The differences in expression of the inserted gene/transgene are generally due to its proximity to regulatory sequences (e.g., enhancers). Species with larger genomes have many genes as well as long intergenic regions where heterochromatin may spread stochastically (randomly) in order to switch on/off the gene expression, thereby resulting in unstable phenotypes.
many of the symptoms of vitamin a deficiency, such as blindness and an increase in respiratory infections, are related to the role of vitamin a in: controlling osteoclast and osteoblast activity. synthesis of visual pigments. maintaining the epithelial cells. synthesis of hormones.
Answers
Many of the symptoms of vitamin A deficiency, such as blindness and an increase in respiratory infections, are related to the role of vitamin A in maintaining the epithelial cells. The epithelial cells are the cells that line the surface of the skin, the respiratory tract, and other organs. These cells play a critical role in protecting the body from infection and disease
Vitamin A is an important nutrient that is necessary for healthy skin, vision, and immune function. This vitamin can be obtained from a variety of foods, including liver, milk, eggs, and carrots. Vitamin A is necessary for the production of retinal, a molecule that is required for vision in low light conditions. Many of the symptoms of vitamin A deficiency, such as blindness and an increase in respiratory infections, are related to the role of vitamin A in maintaining the epithelial cells.
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A polar bear runs at a speed of 11 m/s and has a mass of 380.2 kg. How much Kinetic energy does the bear have? *
Answers
K.E = 1/2 mv2
= 1/2 380.2×11
= 1/2×4182.2
=2091.1 J
A species of moth has a 2 varieties of wing color: brown and white. As winter approaches, the trees where the moths live loose their leaves. The moth's predators are birds who hunt for the moths as they rest on the dark tree bark. Every moth lays 100 eggs, but only about 10 from each egg cluster live to adulthood. What are the variations in this population?
Answers
Answer:
In this case, the population of moths you're referring to has a number of variations. Here they are:
1. Wing Color Variation: The moths have two phenotypic variations for wing color, brown and white. This is a clear physical trait that can change based on the genetic makeup of the moth.
2. Survival Variation: Out of every 100 eggs laid, only about 10 moths survive to adulthood. This could imply a variation in the fitness or adaptability of the offspring, where only the most fit or adaptable (in terms of avoiding predators, finding food, or handling environmental conditions, for example) survive.
3. Seasonal Environment Variation: The environment where the moths live changes with the seasons. In winter, the trees lose their leaves, which may affect the camouflage ability of the moths depending on their wing color. This is a temporal variation in the environment, which can potentially influence the survival rates of the different moth variations.
4. Predation Variation: The predators of the moths are birds, which hunt for the moths as they rest on the dark tree bark. The level of predation can vary based on factors like the bird population size, hunting efficiency, and the visibility of the moths.
Each of these variations plays a role in the survival and reproduction of the moths and could lead to evolutionary changes in the population over time, especially if certain traits (like wing color) increase the moths' survival and reproductive success.
What is the main difference between viruses and bacteria
Answers
Answer:
I think its the second one
Explanation:
Please help.
1. Cross a normal male with a female that is a carrier for color-blindness. What is the probability they will have a child that is color blind?
2. What is the punnett square ?
1)
2)
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If their first child is girl it's a carrier and if their first child is boy it's a colour blind
How many of the habitable planets are less than 4 times the radius of Earth?
Answers
A coat color gene in cattle shows incomplete dominance. Utilize the allele (R) for red coat and (W) for white coat. In cattle, the phenotype for incomplete dominance can be brown.
⮞ Complete a Punnett square, mating a red animal and a white animal, and list the phenotypic ratio.
⮞ Complete a second Punnett square with an offspring, and mate it to a red animal. List the phenotypic ratio of the second mating.
Answers
There is a 25% chance for solid white coats.
To check the chances of a solid white coat offspring being formed, lets make a punnet square.
The gametes of the parents will be W and R v/s W and R.
W R
W WW WR
R WR RR
A punnet square is a diagram which is made to test the outcomes of a cross.
As the following punnet square shows:
There is 25% chance for solid white coat offspring to be formed (WW).
There is a 50% chance for the offspring to be roan (WR).
There is a 25% chance for the offspring to have solid red coats (RR).
What is punnet square?The Punnett square has been defined as the square diagram that is used to predict the genotypes of a particular cross or breeding experiment.
A gene region where there are two identical alleles present. Two alleles with the same variation or two alleles that are normal can both be present in a homozygous genotype.
Therefore, The gametes of the parents will be W and R v/s W and R.
W R
W WW WR
R WR RR
A punnet square is a diagram which is made to test the outcomes of a cross.
As the following punnet square shows:
There is 25% chance for solid white coat offspring to be formed (WW).
There is a 50% chance for the offspring to be roan (WR).
There is a 25% chance for the offspring to have solid red coats (RR).
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Which of the following is the most complete and accurate
description of mutation?
A
Three adjacent nitrogen bases of mRNA that code for an
amino acid.
B
The process of matching anticodon sequences in tRNA to
mRNA codons.
С
A spontaneous change in DNA that may lead to cellular
malfunction.
D
A biomolecule composed of amino acids connected by
peptide bonds.
Answers
Answer: the answer is C
Explanation: mutation is a change in dna that results in overall structure changes to organisms
A spontaneous change in DNA that may lead to cellular malfunction is the most complete and accurate description of mutation.
In genetics, a spontaneous and unpredictable variation in the sequence of genes that make up the DNA of a living being that introduces specific changes is called a mutation.
This alteration, which can be hereditary, implies a modification of its characteristics.
These types of changes occur spontaneously and naturally, product of errors in the replication of the genome during the phases of cell replication.
From a mutation, the living being can develop different diseases, manifest changes in its organism or hereditary defects.
Despite of this, mutations are key to sustaining high genetic variability, promoting adaptation and evolution (even creating new species in the long run).
Therefore, we can conclude that a spontaneous change in DNA that may lead to cellular malfunction is the most complete and accurate description of mutation.
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question is in the picture help me plsss
Answers
Answer:
B) 1 and 3
Explanation:
Answer:
B. 1 &3
Explanation:
The bat and human arms/wings both have bones and phalangies (fingers)
which of the following is true about systems? a. a natural system can reach its ecological tipping point if it gets caught in a negative feedback loop. b. positive feedbacks work to maintain stability in systems.
Answers
Both statements are partially true, but they reflect different aspects of feedback loops in systems.
A. A natural system can reach its ecological tipping point if it gets caught in a negative feedback loop.
This statement is true. In a negative feedback loop, a change in one direction triggers a response that counteracts the initial change and works to restore the system to its original state. However, if the negative feedback loop becomes too strong, it can push the system past a critical point or "tipping point," causing a sudden and drastic shift in the system's behavior.
B. Positive feedbacks work to maintain stability in systems.
This statement is false. Positive feedback loops, unlike negative feedback loops, work to amplify changes in a system, rather than counteract them. Positive feedbacks can cause rapid acceleration of a process and can push a system past a tipping point, leading to instability rather than stability.
In summary, negative feedback loops work to maintain stability in systems by countering changes and restoring the system to its original state, while positive feedback loops can cause instability by amplifying changes and pushing the system past a critical point.
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What is one thing in life that you cannot beat nba
Please help
LeBron, Dwyane Wade, and others said the answer to this but I don't know so please help fast
Answers
One thing in life that you cannot beat is Father Time.
LeBron James and Dwyane Wade, two former NBA players, have both stated that Father Time is the one opponent that cannot be defeated. This is in reference to the inevitability of aging and the effects it has on one's physical abilities.
No matter how talented or successful a person may be, eventually they will reach a point where age catches up to them and their performance begins to decline. This is true not only in sports but in all aspects of life. No matter how much we may strive for success and achievement, time is a constant and unstoppable force that ultimately affects us all.
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A deletion in an operon removes the transcriptional terminator. How will that affect the transcript that is produced from the operon? The transcript will be produced and normal in length The transcript will be produced but shorter than normal The transcript will be produced but longer than normal The transcript will produced but will contain a deletion The transcript will not be produced
Answers
When the transcriptional terminator is removed from an operon, the transcript produced from the operon will be shorter than normal or may not be produced at all.
A transcriptional terminator is a section of DNA that marks the end of a gene and causes the RNA polymerase to stop transcribing. The RNA molecule formed after the terminator sequence is known as a transcript, which can be further processed and translated into a protein.
In the context of an operon, a deletion refers to a mutation that removes one or more nucleotides from the DNA sequence. If a deletion occurs within an operon and removes the transcriptional terminator sequence, it can lead to the production of a longer transcript than normal during transcription. This occurs because without the terminator, the transcription process continues beyond its usual endpoint.
The consequence of this deletion is that the transcript produced from the operon will be longer than normal. The extended transcript contains extra genetic information that the cell may not require, and its translation into a protein could potentially have harmful effects. Therefore, the correct answer is option B and D.
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