Additionally, G protein mutations can result in either a loss or gain of function by inhibiting or stimulating signal transduction, which, in turn, results in the clinical phenotypes of an excess or a deficiency of hormones.
What renders the G protein's alpha subunit inactive?The alpha subunit switches its GDP for a GTP when the neurotransmitter dopamine activates the receptor. The G protein subsequently breaks down. The beta and gamma subunits are left behind when the alpha subunit, which is carrying GTP, moves away.
The state of the receptor is altered when a ligand known as an agonist stimulates it. In order to activate G alpha, GTP must be exchanged for the bound GDP after G alpha separates from the receptor and G beta-gamma. The next step for G alpha is to activate more cell molecules.
GPCR mutations can result in hereditary and acquired conditions such retinitis pigmentosa (RP), hypo- and hyperthyroidism.
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a group of tis-
sues working
together
Answer: An organ
Explanation: Tissue is muscle matter made up of cells. Tissues working together for a single function is called an organ. organs working together make up an organ system, such as your cardiovascular system, or digestive system.
A solution that has a higher concentration inside the cell than outside and allows water to move into the cell is best described as a _____ solution.
A solution that has a higher concentration inside the cell than outside and allows water to move into the cell is best described as a hypertonic solution.
What occurs when the amount of water within the cell is higher than the amount outside the cell?Water cannot enter or leave a cell if the % concentration within and outside is the same. Water will flow into a cell if the fluid within has a higher percent concentration than the fluid outside.
In comparison to blood, hypotonic contains a lower concentration of fluid, carbohydrates, and salt. Blood is not hypertonic, which contains a greater quantity of liquids, carbohydrates, and salt. Similar amounts of fluid, sugar, and salt are present in isotonic solution as in blood.
Most frequently, isotonic solutions are used as a relaxing wash to remove extra mucus, dust, and allergens from the sinuses on a regular basis to maintain clean, healthy sinuses.
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How are peptide bonds formed between amino acids in the elongation process of the translation of mRNA?
Answer:
Dehydration synthesis
Explanation:
Dehydration synthesis is the process of bringing molecules together with water being a "waste" product of the reaction.
When amino acids(AA) bond to form peptide bonds, they use this dehydration synthesis to create peptide bonds.
describe the organelles and structures a protein that is destined to leave the cell would interact with on its journey from synthesis to exile from the cell of its birth.
Rough endoplasmic reticulum, Golgi apparatus, cell membrane are structures that a protein that is destined to leave the cell would interact with on its journey from synthesis to exile from the cell of his birth.
The ribosomes, which are the molecules in charge of producing proteins, are what give the rough endoplasmic reticulum its name. A specific RNA fragment may instruct a ribosome to move to the rough endoplasmic reticulum and embed itself if it comes across there. The protein produced from this region will wind up inside the rough endoplasmic reticulum, where it will fold and be marked for transport to the Golgi apparatus through the process of glycosylation, which involves the addition of a tag molecule (often a carbohydrate).
Near the nucleus, the rough endoplasmic reticulum, which is continuous with the nuclear membrane, resembles a network of canals. Rough endoplasmic reticulum-produced proteins are either meant to form a membrane or to be released from the cell membrane. It would be much more difficult to discern between proteins that should exit the cell and proteins that should remain if there were no rough endoplasmic reticulum. As a result, the rough endoplasmic reticulum promotes cell specialization and increases organism complexity.
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Draw a diagram showing the differences and definitions of a cell, tissue, organ, and organ system
Cells make up tissues, tissues make up organs, and organs make up organ systems.
The body has organizational levels that build upon each other. Cells form tissues form organs and organs form organ systems. The function of an organ system depends on the integrated activity of that organ. For example, the organs of the digestive system work together to process food.
A collection of cells is defined as a tissue and multiple tissues work together to form an organ. The heart is used as an example of an organ composed of muscle and valve tissue. A tissue is a collection of cells that perform the same function and an organ is a collection of tissues. An organ system consists of a group of organs that have the same purpose and function. Tissue types include epithelium connective nerve, and muscle.
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What is the main difference between passive
transport and active transport of materials across a
cell membrane?
Answer: The main difference is whether the transportation requires energy or not.
Explanation: Active transport most of the time requires energy, passive transport does not.
Sarah and Jane were playing basketball. They collided and fell. Sarah’s knee was lightly bruised. Jane’s elbow was scratched, causing a little blood to ooze out. After a few days, Jane observed pus formation around the scratch on her elbow, while Sarah’s knee was fine. The pus formation on Jane’s elbow is a result of {blank}. The receptors on the {blank} sensed the pain that Jane experienced.
{blank#1}
an inflammatory response due to the entry of an antigen.
the secretion of sebum due to the skin getting scratched.
the action of hormones on the site of wound.
{blank#2}
epidermis
dermis
hypodermis
The pus formation on Jane’s elbow is a result of an inflammatory response due to the entry of an antigen. The receptors on the dermis sensed the pain that Jane experienced.
What is Dermis?This is refereed to as the middle layer of the skin which comprises of receptors and also helps to protect the body from foreign bodies and other forms of pathogens.
Pus generated from injuries are as a result of an acute inflammatory response and the pain sensation derived is as a result of the receptors found in the dermis thereby making them the correct set of choices.
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place the following events in the correct order in which they occur in the cam pathway, beginning at the top with the entry of carbon dioxide into the leaf.
The correct order in which they occur in the CAM pathway begins at the top with the entry of carbon dioxide into the leaf: Carbon dioxide diffuses into the leaf when stomata are open at night, Carbon dioxide is stored as a four-carbon molecule in vacuoles within mesophyll cells, The stored four-carbon molecule is moved from vacuoles to chloroplasts of mesophyll cells and carbon dioxide is released, Carbon dioxide enters the Calvin cycle when the stomata are closed during the day.
As an adaptation to arid environments, some plants developed a carbon fixation mechanism known as crassulacean acid metabolism, or CAM photosynthesis, which enables a plant to photosynthesize during the day but only exchange gases at night. Plants have modified their CAM pathway to undertake photosynthesis in stressful situations.
Photorespiration is decreased via the CAM pathway. To minimize water loss during the day, CAM plants have open stomata at night, where they absorb carbon dioxide. Stomata open during the night in this channel, allowing CO2 to permeate into the leaf where it combines with PEP to produce malate. Then, until daylight, this acid is kept in huge central vacuoles.
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Why is the huronian supergroup rock formation particularly interesting to scientist
Answer:
The Huronian Supergroup is particularly exciting and interesting because, by chance, these rocks were laid down at a period when the atmosphere underwent a transition from containing no free oxygen to containing at least some free oxygen."
Explanation:
Which of the following would be used to test for acidity in a soil sample?
O pH test
O Sieve shaker
O Florescence diacetate test
OX-ray diffraction
The pH test would be used to test for acidity in a soil sample (option A).
What is pH?pH is the notation that expresses the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid and higher values more alkaline.
Acidity of a solution refers to the state of being an acid. Using the pH scale, an acidic solution or substance will have a pH between 0 - 6.9.
pH is equal to −log {C}, where c is the hydrogen ion concentration.
Therefore, the pH test can be used to evaluate whether a soil sample is acidic.
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Answer:
The pH test would be used to test for acidity in a soil sample (option A).
Explanation:
What is pH?pH is the notation that expresses the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid and higher values more alkaline. Acidity of a solution refers to the state of being an acid. Using the pH scale, an acidic solution or substance will have a pH between 0 - 6.9. pH is equal to −log {C}, where c is the hydrogen ion concentration. Therefore, the pH test can be used to evaluate whether a soil sample is acidic.
Do bumblebees have babies , divide, or uses it’s seeds ?
Answer:
Bumblebees give birth
Explanation:
bumblebees do not reproduce asexually nor do they have seeds.
Prokaryotic cells ________. (Choose all that apply.)
Group of answer choices
are always unicellular.
make up animals and humans.
are less complex.
are very large.
have many unique organelles.
do not have a nucleus.
Answer: C and F
Explanation:
In multicellular organisms, cells that do a specific job are often grouped together into masses or layers that are more complex systems. What are these more complex systems called? O A. Tissues B. Organelles O C. Body systems OD. Organs
In multicellular organisms, cells that do a specific job are often grouped together into masses or layers that are more complex systems called Tissues
Between cells and organs, there is a level of order called tissues. Similar cells work together to create tissues that have a specific purpose. Multiple tissues combine to form organs, which in turn create an organ system. Animal and human tissues are almost same.The connective, neural, muscular, and epithelial tissues are the four fundamental tissues of animals. Every component of the embryo undergoes differentiation to become distinct tissues and carry out various tasks. For instance, the embryo's ectoderm and endoderm grow into epithelial tissues.The body's interior organs are covered in epithelial tissues as a kind of protection.To know more about Tissues visit : https://brainly.com/question/967104
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Answer: its A
Explanation: trust
The most desirable adaptations are structural adaptations those that give an organism a survival advantage behavioral adaptations physiological adaptations
Structural adaptations are modifications made to an organism's structure to help it better adapt to its surroundings.
What is structural adaptation?
Structural adaptations are unique characteristics that may include unique body parts like skin, colour, and shape. These modifications aid organisms in surviving in their native environment.
These structural alterations have an impact on an animal on numerous levels, and because they are highly apparent adaptations, one can completely recognise them with the unaided eye.
As an illustration, consider how desert plants have adapted to the harsh environment of the desert, where there is a scarcity of water and high temperatures. Because there is less water available in the desert, plants known as succulents have adapted by storing water inside of themselves.
How does adaptation work?
The term "adaptation" refers to a change in an organism's structure and function as a result of a natural process that makes the organism more suited to endure and proliferate in a given environment.
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Given equal probabilities of the birth of a xy or xx, what is the probability that a group of four siblings includes all xy? all xx? all xy or all xx?.
The probability that a group of four siblings includes all XY is 1/16 (6.5%), while the probability all XX offspring is 1/16 (6.5%).
What are chromosomes?
Chromosome are long DNA molecule with part or all of the genetic material of an organism. Females inherit two X chromosomes from both parents, while males inherit one X chromosome and one Y chromosome from both parents.
The probability of inheriting two X chromosomes (females) is 1/2 (50%), while the probability of inheriting one X chromosome and one Y chromosome (males) is also 1/2.
Having the above fact in mind,
The probability that a group of four siblings includes all XY is:
1/2 x 1/2 x 1/2 x 1/2 = 1/16
The probability that a group of four siblings includes all XX is:
1/2 x 1/2 x 1/2 x 1/2 = 1/16
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In your own words, what drives the formation of tropical storms?
A source of warm, humid air that comes from tropical oceans, when the average sea surface temperature is higher than 26 °C.
What are the factor favors the tropical storms?As different breezes come together close to the ocean's surface, air rises and storm clouds are formed.
There must be warm ocean water and wet, humid air in the area for one to form.
Humid air is discharged from the atmosphere and turns into storm clouds when it flows upward in a zone of low pressure over warm ocean water. In a storm, the air rotates as it rises.
Therefore, warm ocean water and wet, humid air in the area for one to form tropical storms.
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humans are best represented by a survivorship curve. humans are best represented by a survivorship curve. type ii type i type iv type iii
Humans are best represented by a Type I survivorship curve.
The survivorship curve is the representation of an individual who can survive up to a certain age. These individuals belong to different species. There are a total of three curves.
Type I include large mammals having long lives and a low death rate. Type II includes birds, mice, etc. They have a constant survivorship rate throughout their life. Type III has the lowest survival rate and highest death rate.
Humans are represented by the type I survivorship curve because their survival rate is very high until they reach old age.
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Which of the following is a Quantitative Statement? A. The roses are beautiful this time of year. B. The bushes have grown 13cm in the past week. C. The red flowers are always larger than the purple ones. D. It can hurt if you get pr1cked by a thorn.
of the three 'bypass' reactions that allow gluconeogenesis to produce glucose from pyruvate, two of these reactions are also points of reciprocal regulation, and one is not - which reaction is not a point of reciprocal regulation?
There are three bypass reactions in gluconeogenesis, out of them the one reaction which does not show reciprocal regulation is Pyruvate carboxylase and PEP carboxykinase bypass pyruvate kinase reaction.
The three bypass reactions where the energy transfer of ATP→ADP takes place are:
Glucose-6- phosphate bypasses the hexokinase step which is a reciprocal step Fructose 1,6 bisphosphate bypasses the phosphofructokinase step, this step is also a reciprocal regulating step. Pyruvate carboxylase and PEP carboxykinase bypass pyruvate kinase step is not a reciprocally regulated step, this reaction is the last step of gluconeogenesis leading to the formation of 2 molecules of pyruvate.Learn more about Gluconeogenesis here https://brainly.com/question/28190068?source=archive
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Please please answer the question in the photo! (will mark Brainliest if correct)
Answer: Option (D)
Explanation: The function of the proximal tubule is essentially reabsorption of filtrate in accordance with the needs of homeostasis (equilibrium), whereas the distal part of the nephron and collecting duct are mainly concerned with the detailed regulation of water, electrolyte, and hydrogen-ion balance.
Which of the following could result in the extinction of a species?
harsh restrictions on poachers
increase in the habitat size of a species
adding a new species to the habitat
decrease tourism in protected areas
Answer: C. adding a new species to the habitat
Explanation: TRUST ME!!! Answer is correct on Edge!!! :)
Adding a new species to the habitat results in the extinction of a species. Therefore, the correct statement is option C.
What is the cause of the extinction of a species?Introducing a new species result in competition for resources, habitat, predation, etc. that have negative impacts on native species. Adding a new species will compete with the native species for resources which can cause their decline and eventual extinction.
Introducing a new species can disrupt the existing balance of the ecosystem which leads to competition for resources and habitat, which put pressure on native species and it becomes difficult for them to survive and reproduce.
The introduced species do not have any natural predators in the new environment which lead to overpopulation and competition for resources. This declines the native species' population size and leads to their extinction. Therefore, the impacts of introducing new species to an ecosystem should be considered before the introduction.
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Help me with this pls, is for today!!!
On each line, write the term from the word bank that correctly completes each sentence. Some terms may be used more than one.
Binomial Nomenclature - Cladogram - Dichotomous Key - Domains - Genus - Kingdoms - Scientific Name - Species - Systematics.
1- Based on similar structures, Linnaeus classified all organism into two ____
2- As more discoveries were made, Whittaker proposed classifying organism into five ___
3- The current system of classifying organisms uses molecular analysis and is called___
4- The current systems classifies organisms into three____ and six____
5- Scientists still use Linnaeus’s naming system called ____ to give each species a name
6- Ursus arctos is the ______ for a brown bear
7- Ursus is the brown bear’s ____
8- The word arctos is the brown bear’s ______ name
9- A ____ is a series of questions that helps you identify an unknown organism
10- A branched diagram called a ____ can help you understand the relationships among organisms
Answer:
1. kingdoms
2.kingdoms
3. taxonomic nomenclature
4. three domains 6 kingdoms
5. taxonomy
6. scientific name
7. genus
8. species
9.
You are snorkeling off the coast of florida, and you come across a large calcified structure covered by small cnidarian polyps. To which group do these organisms belong?.
You are snorkeling off the coast of Florida, and you come across a large calcified structure covered by small cnidarian polyps. These organisms belong to Class Anthozoa.
Polyps and medusae are the two main body shapes found in cnidarians. In order to function as a mouth and anus, polyps have a body stalk with a tubular shape, a single aperture, and several tentacles that surround it. For feeding into the filter, polyps point up. Cnidocytes are present on the tentacles (stinging cells).
The polyp's mouth allows it to take in food and release waste, and it is only open at one end. The mouth is surrounded by a ring of tentacles that help with food capture, waste expulsion, and debris removal. Sea anemones, stony corals, and soft corals are all members of the marine invertebrate Class Anthozoa. Anthozoan adults are virtually universally anchored to the seafloor, but their larvae can move around as plankton.
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this condition is a disturbance of water metabolism resulting in extreme thirst and excessive secretion of dilute urine. one cause is an injury to the pituitary gland resulting from head trauma. what is the best form of treatment?
Diabetes Insipidus is a condition that causes disturbance of water metabolism resulting in extreme thirst and excessive secretion of dilute urine. one cause is an injury to the pituitary gland resulting from head trauma.
Treatment options depend on the type of diabetes insipidus you have.
An uncommon illness called diabetes insipidus disrupts the fluid balance in the body. You create a lot of urine as a result of this imbalance. Even if you have anything to drink, it also makes you really thirsty. If you have diabetes insipidus, your body struggles to maintain correct fluid balance. When the body's fluid levels are not adequately balanced, diabetes insipidus develops.
The types of diabetes insipidus that you have will determine your treatment options.
The first-line treatment for central diabetic insipidus is desmopressin. It is a drug that functions similarly to an antidiuretic hormone.Nephrogenic diabetes insipidus treatment is more difficult and occasionally requires a combination of methods. Medication that lowers the volume of urine your kidneys produce is frequently used to treat it by medical professionals.Dipsogenic diabetic insipidus is currently not effectively treated, according to research. Treatment may be focused on the underlying illness that caused it, such as a mental health disorder.To know more about Diabetes Insipidus, refer to this link:
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phenylketonuria (pku) is a disease in humans that results from the abnormal metabolism of the amino acid phenylalanine. if untreated, it can lead to severe brain damage in infants. two normal parents have a child who has pku. what can you determine about the inheritance of the pku allele from this information? question 10 options: it is pleiotropic. it is dominant. it is epistatic. it is recessive.
Phenylketonuria (PKU) is a disorder in human beings that outcomes from the atypical metabolism of the amino acid phenylalanine. inside the blood. the recessive allele has an autosomal recessive sickness, you inherit changed genes (mutations), one from each determined.
Phenylketonuria (fen-ul-key-toe-NU-ree-uh), additionally called PKU, is an extraordinary inherited disease that reasons an amino acid referred to as phenylalanine to accumulate inside the body. PKU is due to an exchange inside the phenylalanine hydroxylase (PAH) gene. This gene facilitates create the enzyme wanted to break down phenylalanine.
PKU is due to mutations inside the gene that facilitates making an enzyme referred to as phenylalanine hydroxylase (stated fen-l-AL-uh-neen hazy-DROK-such-leys), or PAH. This enzyme is wanted to convert the amino acid phenylalanine into different substances the body desires. meals that incorporate massive amounts of the ought to be removed from a low food plan. these meals are high protein ingredients, such as milk, dairy products, meat, fish, chicken, eggs, beans, and nuts. those meals cause high blood ranges for human beings with PKU.
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True or false? auxin is asymmetrically distributed in shoots because the auxin on the side of the plant facing the source of light is destroyed.
The given statement is false. Auxin is a plant growth hormone that the plant can make chemically or organically.
What is Auxin?Auxin is a plant growth hormone that the plant can make chemically or organically. The natural hormone is denoted by the letter IAA, which stands for indoleacetic acid, in biological synthesis. Auxins are a group of plant hormones that resemble morphogens in some ways. Auxins are crucial for the development of the plant body and play a crucial role in the coordination of numerous developmental and behavioral processes throughout the plant life cycle. In order to control cell division, elongation and differentiation, embryonic development, root and stem tropisms, apical dominance, and the transition to blooming, auxin is a crucial regulator of plant growth and development.
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tooth decay is caused by bacteria, such as s. mutans, that can attach to the surface of a tooth. how are these bacteria able to attach to the surface and cause infection? what is the role of sugar in this process?
The main dietary component in the growth of dental decay caries is free sugars. When oral bacteria break down glucose to create acid, which demineralizes the hard structures of the teeth, dental caries is created (enamel and dentine).
As part of its metabolism, the anaerobic bacteria S. mutans is known to create lactic acid. Second, S. mutans can adhere to tooth surfaces when there is sucrose present because it produces glucans, a polymer that helps to attach the bacteria to the tooth. Dental decay is caused by acids produced by bacteria that digest sucrose and other dietary carbohydrates, which dissolve tooth mineral, chiefly hydroxyapatite, Ca10 (P04)6(0H)2. These microorganisms are found in dental decay plaque, a buildup of bacteria on the tooth's surface.
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which statement is an example of a chemical change? group of answer choices a plant converts carbon dioxide into carbohydrates. a tree is cut down in the forest. water evaporates from a lake. ice cubes are formed in the freezer. confetti is cut from pieces of paper.
An instance of a chemical change: d. A plant converts carbon dioxide into carbohydrates.
Chemical change arises when a substance combines with every other to form a new substance, known as chemical synthesis or, as an alternative, chemical decomposition into extra distinctive substances. those tactics are called chemical reactions and, in widespread, are not reversible except by using similar chemical reactions.
The five conditions of chemical exchange: are coloration exchange, formation of a precipitate, formation of a fuel, smell trade, and temperature trade. A chemical exchange happens when one chemical substance is transformed into one or more one-of-a-kind materials, such as when iron will become rust. Chemical adjustments occur through the method of chemical reactions, and the ensuing materials have different residences because their atoms and molecules are organized otherwise.
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after
and
Phospholipid is the first major component of plasma
membrane.
a) Lipids; carbohydrates
b) Proteins; carbohydrates
c) DNA; carbohydrates
d) Salt; sugar
I would really help you but i'm not sure about the answer.
Answer:
b) Protein; carbohydrates
In order to show that dna in cell extracts is responsible for genetic transformation in streptococcus pneumoniae, important corroborating evidence should indicate that _______ also destroy transforming activity.
The DNA in cell extract is responsible for genetic transformation in streptococcus pneumoniae , important evidence should indicate that RNA, polysacchride destroy transforming activity.
What is DNA and what was the transforming principle being talked about here?DNA is the genetic unit of whole genetic complement of the human body.The transforming principle here in the question is talking about is the transforming principle transferred to the mice and the mice died.The transforming principle transferred is DNA that inhibits the transformation of S strain to R strain.And due to the inhibition of this transformation the mice died due to S strain which had a polysacchride coat .Hence the DNA cell extract is responsible for the genetic transformation.To know more about DNA visit:
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