The wobble effect is supported by tRNA molecules because anticodons can contain unusual nitrogenous bases.
This allows for a level of flexibility in the base pairing between the codon on the mRNA and the anticodon on the tRNA. Additionally, the stem loop structure is maintained by double stranded RNA and the EPA sites are structurally distinct, but neither of these factors directly support the wobble effect.
Charging of the tRNA is fallible, meaning that errors can occur during the process of adding an amino acid to the tRNA, but this is not directly related to the wobble effect. This allows for a more flexible pairing between the codon on the mRNA and the anticodon on the tRNA, accommodating for some degree of mismatch at the third position of the codon.
This flexibility contributes to the wobble effect, which enables a single tRNA molecule to recognize more than one codon. Hence, The wobble effect is supported by tRNA molecules because anticodons can contain unusual nitrogenous bases.
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Bacteria, pollen, and transplanted tissue are examples of:_______
Bacteria, pollen, and transplanted tissue are examples of Foreign antigens.
The source of foreign antigens is external to the body. Examples include components of or compounds created by viruses, microorganisms (such as bacteria and protozoa), substances in snake venom, specific proteins in meals, pollens and serum and red blood cell components from other people.T cells only identify foreign antigens that are present on the surfaces of the body's own cells, as opposed to immunoglobulins, which interact with infections and their harmful products in the extracellular spaces of the body. These antigens may come from pathogens that proliferate inside of cells, such as viruses or intracellular bacteria, or they may come from pathogens or their byproducts that cells have ingested through the process of endocytosis.
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In the following scenario, which question should Marie consider to determine if this career is right for her?
Marie is finishing a degree in animal science and is considering a career as an animal breeder.
What is the role of selective breeding in agriculture?
What degree is most useful for animal breeders?
Does she enjoy working in a hands-on position?
Does she prefer working in a laboratory or office?
If Marie is finishing a degree in animal science and is considering a career as an animal breeder, then she should consider what degree is most useful for animal breeders.
What is selective breeding?Selective breeding is a technique aimed at crossing animals or plants in order to select offspring having better traits/features in the next generations.
Selective breeding is based on the process of genetic selection due to the heritability of phenotypic traits (in this case, in animals).
In conclusion, if Marie is finishing a degree in animal science and is considering a career as an animal breeder, then she should consider what degree is most useful for animal breeders.
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We used the enzyme, taq polymerase, which is derived from the thermus aquaticus bacterium, in our pcr procedure. Why is this enzyme important for efficiency in pcr?.
The enzyme Taq polymerase is required in the PCR process because it is the main enzyme that synthesizes the new DNA strands complementary to the template strand and without the activity of this enzyme the PCR will be useless and it cannot make the copy of the given strand in any way. Thus, this enzyme is very much necessary for the efficient working of the PCR.
Polymerase Chain Reaction is a very efficient technique that can able to detect and copy even a small amount of DNA by performing a set of reactions at different temperatures.
The PCR process begins with the denaturing of the template strand at 95°C, followed by annealing in which the appropriate primers bind to the single strands of DNA at 50-56°C, followed by extension at 72°C in which the thermostable Taq polymerase synthesizes the strand complementary to the template DNA.
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Does a person in need of an organ transplant have a moral right to obtain that transplant, supposing the availability of the needed organ?.
Pleas help me.... I'm about to fail my class. I will mark brainliest!!!!
You are a doctor who examines the x-ray of a broken bone, which is healing. What should you look for to indicate that the break is almost completely healed? (2 points)
Procallus
Hematoma
Compact bone
Spongy bone
I know it's either compact bone or spongy bone, but can someone who took the test confirm which one it is!
Describe one feature shared by all ape bodies (other than lack of a tail) that represents an adaptation to suspensory locomotion.
Other than lack of a tail, all ape bodies have long curved fingers which represent adaptation to suspensory locomotion.
Suspensory locomotion is type of a feeding behavior or an arboreal locomotion which involves the suspension or the hanging of the body of an organism from a tree. Apes developed some adaptations which help them in this type of locomotion. These adaptations include a lack of tail, a vertical posture, conical rib cage, a mobile lumber vertebrae, wrist rotation, scapulae on their back, grasping limbs with shortened thumbs and long curved fingers.
All these adaptations help the ape to climb and suspend themselves from the branches of the trees and also helps them achieve a swinging motion.
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What is the approximate diameter of one cell
The approximate diameter of one cell is 0.01 – 0.10 mm.
What is cell size?Cell size is defined as the variable that is used to show how big or small is the cell of an organism.
The cell is defined as the structural and functional unit of a living organism.
The most animal and plant cells are 0.01 – 0.10 mm in size when viewed under the microscope.
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In negative control of transcription by the lac operon, how does the presence of an inducer affect transcription?.
In case, if the inducer of lac operon [allolactose] is present in the medium during negative control, then it can bind to the repressor and decrease the binding affinity of the repressor with the operator due to which the level of transcription increases.
Operon can be understood as an arrangement having multiple genes, all of which are being regulated under the same promoter. ex- Lac operon
Lac Operon is a set of three genes z, y & a which are regulated under the same promoter which regulates the amount of lactose production in the cell.
Under negative control, glucose is present and lactose is absent due to which no CAP [catabolite repressor protein] binding occurs, the repressor remains active and thus binds to the operator region of operon hindering the transcription process.
But, when the inducer will be present then it will manipulate the action of the repressor due to which the level of transcription increases.
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Suppose a reptile damages one of its kidneys, and the kidney is not able to function.
The levels of which material within the reptile’s body would most likely be affected?
carbon dioxide
nutrients
water
oxygen
REPTILES ARE METANEPHRIC KIDNEY
The correct option is (B) nutrient for the given question.
Reptiles are described as tetrapod vertebrate animals where they do perform excretion through small kidneys. Due to the lack of Loop of Henle in reptiles thus they aren't able to produce adequate urine that is excreted in concentrated form in solids.
A damaged kidney usually will have decreased perfusion resulting in activation of the RAAS Mechanism triggering an elevation of blood volume to an extent. Due to long-standing kidney diseases, there will be an accumulation of nutrients circulating within the bloodstream at higher levels such as (Creatinine, etc.) due to renal damage.
Hence with a damaged kidney filtration & excretion of the body contents are decreased.
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Memory cells do not require b cell receptors.
a. True
b. False
Memory cells do not require b cell receptors. This statement is False.
Memory B cells may recognize an antigen and produce a particular antibody response because they have B cell receptors (BCRs) on their cell membrane that are identical to those on their parent cells.A B-lymphocyte subtype known as a memory B cell (MBC) is a component of the adaptive immune system. Within the germinal centers of the secondary lymphoid organs, these cells grow. Memory B cells can remain dormant in the blood stream for years at a time. Their purpose is to memorize the properties of the antigen that initially activated their parent B cell, so that when the memory B cell comes into contact with that antigen in the future.It will cause an expedited and potent secondary immune response. B cell receptors are found on memory B cells (BCRs)learn more about Memory cells here: https://brainly.com/question/15196473
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Which body system coordinates activities of body parts by releasing hormones into the blood?
Endocrine system which coordinates activities of body parts by releasing hormones into the blood.It is made up of all the body's different hormones, and also regulates body.
In our body hormones released by the glands in our endocrine system control nearly all the processes in your body.And these chemicals helps in coordinating body's function like- metabolism to growth and development, emotions, sexual function. Endocrine system includes mainly 3 types of hormones- adrenal, hypothalamus, ovaries.
Many glands together made endocrine system. The hypothalamus, pituitary gland and pineal gland in our brain. The thyroid and parathyroids are present in our neck.The thymus is between your lunds, the adrenals are on top of your kidneys, and behind the pancreas.
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You are a doctor who examines the x-ray of a broken bone, which is healing. What should you look for to indicate that the break is almost completely healed? (2 points)
Procallus
Hematoma
Compact bone
Spongy bone
I know it's either compact bone or spongy bone, but can someone who took the test confirm which one it is!
One should look for the Compact bone to indicate that the break is almost completely healed.
Where is compact bone in the body?Compact bone is known to be a form of a thick, strong bone that is made up of the two types of bone tissue.
It act in the capacity of providing support and protection and as such, One should look for the Compact bone to indicate that the break is almost completely healed.
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Why did alexander fleming suspect he could get penicillin from a species of mold?
a. Wounds with superficial mold on the bandages were not becoming septic.
b. Bacteria on culture plates were unable to grow near mold contamination.
c. Soldiers eating moldy bread were not suffering from wound infections.
d. Patients infected with a fungus like, athlete's foot, were less likely to have bacterial infections.
e. Soldiers drinking fermented alcohol were less likely to have bacterial infections.
Answer:
b
Explanation:
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Protein catabolism is increased in conditions such as?
Answer:
Starvation
Explanation:
Hormones like Insulin, which are anabolic are low during starvation. While Glucagon and epinephrine are high which promote catabolism.
The portion of the large intestine found between the transverse and sigmoid colon on the left side of the abdominal cavity is the colon.
Descending colon is found between the transverse and sigmoid colon on the left side of the abdominal cavity.
What are the components of large intestine?The cecum, colon, rectum, and anus are the components of the large intestine. Mesenteries are tissue folds that hold the colon and rectum in the belly.
Caecum: The colon and ileum (the last part of the small intestine) are connected by a pouch-like channel called the cecum.
Colon: The longest part of the large intestine is the colon. There are 4 sections in the colon-
Ascending colon: The colon begins with the ascending colon. It is located on the abdomen's right side. It continues upward until it reaches the hepatic flexure, a bend in the colon.Transverse colon: Following the ascending colon and hepatic flexure is the transverse colon. The upper portion of the abdomen is where it is located. The splenic flexure, a bend in the colon, marks its conclusion.Descending colon: The transverse colon and splenic flexure are followed by the descending colon. The abdomen's left side is where it is located.Sigmoid colon: The colon's final section, the sigmoid colon, joins to the rectum.Rectum: The lower portion of the large intestine that joins the sigmoid colon is known as the rectum. Its length is roughly 15 cm (6 in). It takes waste from the colon and keeps it there until the anus allows it to leave the body.
Anus: The aperture at the bottom end of the rectum known as the anus is where feces exits the body.
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In photosynthesis, the light reactions ________ while the calvin cycle ________
In photosynthesis, the light reactions captures solar energy while the calvin cycle converts the captured energy into chemical energy
What is photosynthesis?Photosynthesis can be defined as the process whereby green plants manufacture their food from carbon dioxide, water and chlorophyll using the energy gotten from sunlight
So therefore, in photosynthesis, the light reactions captures solar energy while the calvin cycle converts the captured energy into chemical energy
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If a cat normally has 38 chromosomes in its somatic (body) cells, how many chromosomes will be in its gametes? a. 76 b. none of these c. 19 d. 38
Each gamete has half the number of chromosomes of the somatic cell. Hence, cats' gametes will have 19 chromosomes. Option C.
What are the type of cells in the organism?The types of cells in the organism are somatic and germ cells.
Both the somatic and germ cells go through mitosis producing two daughter cells with the same genetic dotation.
Somatic cells are any cell in the body except sperm and egg cells. They are diploid, meaning they contain two chromosome sets, each one inherited from each parent.
Germ cells are diploid reproductive cells. They suffer mitosis to form more sexual cells, and a few suffer meiosis to produce haploid gametes. Each germ cell produces 4 haploid gametes.
Each gamete has half the number of chromosomes of the somatic cell. Hence, cats' gametes will have 19 chromosomes. Option C.
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Answer: 19
Explanation: half of 38
________ is a postexercise snack that has been shows to increase muscle glycogen stores and protein synthesis. a. Cheese b. Almonds c. Chocolate milk d. Bananas e. Whole-grain tortillas
The correct answer is Option c (Chocolate milk).
What is a good post-workout snack?When you work out, your muscles use their glycogen energy stores. Some of the muscle proteins also get damaged, especially during strength workouts. Therefore, after workout it is important to consume protein in combination with moderate carbohydrate.A diet rich in carbohydrates increases endurance performance because of the extra store of carbohydrates in the muscles and liver, called glycogen.Chocolate milk has everything you need after a workout—carbs, protein, fluids and electrolytes. Low-fat chocolate milk contains a combination of carbohydrates and protein which is just right for refueling weary muscles.Cottage cheese is an excellent source of both whey protein and casein protein which replenish muscles.Almonds provide protein, fiber and healthy fats.Bananas reduce inflammation and replenish muscle glycogen stores, ultimately promoting quicker recovery.Whole-grain tortillas provide fiber and protein.Learn more about post-exercise snacks here:
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Selective toxicity, or the ability to affect certain proteins or enzyme systems in the infecting organism, is a much sought-after quality of an anti-infective agent. How many anti-infective agents have this quality
Selective toxicity is a trait which is present in almost all anti-infective agents. This trait allows anti-infective agents to affect and target particular enzymes and proteins in antigens.
Selective toxicity is a trait which is responsible for effecting certain proteins, enzymes or structures in infectious agents like bacteria, fungi and viruses. Without this trait the anti-infectious agents or drugs would have a toxic affect that would be exerted on not only antigens but also on normal, unharmed cells in the body of the host organism. Selective toxicity is displayed by most antibiotics, where these drugs affect the bacterial cell wall and its components. This is also displayed by antiviral drugs. these antiviral drugs affect the spike proteins or capsid proteins on the virus. Antivirals can also be selectively toxic towards receptors that are the point of attachment towards viruses.
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Streptomycin is an antibiotic that interferes with the function of the 30s subunit of the prokaryotic ribosome. what is the consequence of treating a bacteria with streptomycin?
Streptomycin is an antibiotic that used for treat batcerial infection includes - tuberculosis, Mycobacteriujm, Avium complex, Endocarditis, Brucellosis, plague, tularemia , etc.
Streptomycin is an antibiotic that belongs to a class of drug which is known as amino glycogen antibiotics. It affects kidney toxicity and ear toxicity. It used as a standard antibiotic cocktail when it combine with penicillin.
Streptomycin has two action mechanism .Its binds adjacent to 30s decoding site .16S rRNA and S12 protein within the bacterial 30S ribosomal subunit. Streptomycin only inhibits its growth of bacteria when it including prokaryotic ribosomes to mRNA.
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Tissues damaged by myocardial infarction are replaced by fibrous connective tissue. Tissues damaged by myocardial infarction are replaced by fibrous connective tissue. True False
The given statement tissues damaged by myocardial infarction are replaced by fibrous connective tissues holds True
What is Myocardial Infarction?Myocardial infarction (MI), also referred to as a "heart attack," is brought on by a partial or total cessation of blood flow to the myocardium.
Myocardium is the name given to the muscles of the heart.
Infarction is formed when the tissue gets damaged due to insufficient blood supply. It is usually termed as the dead tissue with necrotic changes.
As the necrotic tissue heals it gets replaced by the fibrous connective tissue leading to scar tissue formation and reducing the contractility of the heart.
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Neurons of the supra-optic and paraventricular nuclei of the hypothalamus manufacture:_____.
A. FSH and PRL.B. TSH and FSH.C. ADH and OXT.D. GHIH and GHRH.E. CRF and GnRH.
Neurons of the supra-optic and paraventricular nuclei of the hypothalamus manufacture antidiuretic hormone (ADH) and oxytocin and is denoted as option C.
What is Hypothalamus?This structure in the brain manages the hormones thereby serving as the control coordinating center.
The paraventricular nuclei of the hypothalamus is adjacent to the third ventricle and produces ADH and OXT.
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Genetic engineering: Has been employed mostly with mice, because their genetic makeup is well known Involves direct manipulation of an organism's genes or their effects
All of the above.
Genetic engineering: Has been employed mostly with mice, because their genetic makeup is well known and Involves direct manipulation of an organism's genes or their effects.
What is genetic engineering used for?Genetic engineering, often known as genetic alteration, is a technique that modifies an organism's DNA using technology developed in labs. This could entail altering a single base pair (A-T or C-G), erasing a section of DNA, or incorporating new DNA.
Scientists can transfer desirable genes from one plant or animal to another via genetic engineering. Likewise, genes can be transferred from an animal to a plant or the opposite. GMOs, or genetically modified organisms, are another term for this.
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A properly maintained and certified Biological Safety Cabinet should be used for all open work with infectious materials in a research laboratory.
The major reason the biosafety cabinets are closed cabinets is that they are made to defend against germs.
When should biological safety cabinets be used?
As it filters both the inflow and exhaust air, a biological safety cabinet (BSC) is a fundamental engineering control used to safeguard employees from biohazardous or infectious agents and to help maintain quality control of the substance being worked with.
When working with biological agents that offer a minimum danger or harm to laboratory staff and the environment, biosafety level 1 is used. Without the use of proper containment tools, work with these kinds of agents is often done in open laboratory cabinets. The BSC's stainless steel inside can reflect potentially dangerous lighting out through the cabinet's opening. Never turn on the UV lamp while a worker is inside the cabinet.
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Which proteins bind to nuclear localization signals on newly synthesized proteins?
Nuclear import receptors (karyopherin) proteins bind to nuclear localization signals on newly synthesized proteins.
DNA is contained by the nuclear envelope, which also establishes the nuclear compartment. Nuclear pore complexes can pass across the two concentric membranes that make up this envelope. Despite being one continuous membrane, the inner and outer nuclear membranes still have different protein compositions.A subfamily of transport receptors known as karyopherins collectively mediates nuclear transport of proteins and RNA through the nuclear pore complex. Karyopherins recognize certain nuclear localization or nuclear export signals to attach to their payloads. Transient interactions between the karyopherins and the nuclear pore complex enhance transport via the complex.learn more about Nuclear import receptors here: https://brainly.com/question/14611798
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To absorb large particles, cells engulf them within their plasma membrane in a process called?
Answer: endocytosis
Explanation:
This forms a vacuole out of its membrane looking almost like a bubble that encloses the large particles.
A person cannot drink too much water; the kidneys and sweat glands make water excretion quick and efficient, protecting the body from overhydration.
Answer: false, hypernaltemia
Explanation:
It has been conjectured by the U.S. Census Bureau that "approximately 60% of foreign-born people who live in the U.S. are not naturalized citizens". In a national random sample of 70 foreign-born people who live in the U.S., on average, how many people would you expect to get that are not naturalized citizens. Select the best answer below.
The correct answer to this question is 42 people
There are only two conceivable outcomes for every foreign national residing in the United States. They are either citizens by naturalization or they are not. Separate from other foreign nationals residing in the country is the likelihood that a foreign national will not become a citizen. Therefore, to address this problem, we employ the binomial probability distribution.
How to use the Binomial Probability?Probability that exactly x will succeed after n iterations with p probability.
The binomial distribution's anticipated value is:
[tex]E(X)=np[/tex]
Approximately 60% of foreign-born residents of the United States are not citizens by naturalization.
It follows that
[tex]p=0.6[/tex]
70 Americans with foreign ancestry
[tex]n=70[/tex]
How many persons who are not naturalized citizens would you anticipate receiving?
[tex]E(X)=np=70*0.6=42[/tex]
The right response is thus:
42 people
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Why is the selective permeability of the plasma membrane essential for normal cell function?.
The selective permeability of the membrane is essential for the normal functioning of the cell because it maintains the internal order and functioning of the cell. Water, ions, glucose, and carbon dioxide may need to be imported or exported from the cell depending on its metabolic activity.
Along with this, the entry and exit of signaling molecules in the cell are also needed to be regulated. The presence of a selectively permeable membrane allows the cell to exercise control over the quantum, timing, and rate of movement of these molecules.
Plasma Membrane: It is a membrane that encloses all the constituents of the cell and separates them from the exterior environment. It is mainly made up of lipids and proteins.
Selective permeability of plasma membrane: The plasma membrane is selectively permeable in nature that is it allows entry and exit of only selected molecules in and out of the cell according to the requirements.
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The nurse is required to wear a gown, gloves, goggles, and mask as personal protective equipment (PPE) when caring for an assigned patient. Which of the following would the nurse put on first
Gown
The nurse would put on the gown first when utilizing personal protective equipment (PPE). The nurse would then put on the mask, goggles, and gloves.
What is the sequence followed while wearing a personal protective equipment (PPE)?STEP 1: GOWN
Cover the entire body, from the neck to the knees, the wrists to the end, and the back. Fasten around the waist and neck.STEP 2: SHOE COVERS
Layer shoes with shoe covers on top.STEP 3: GLOVES
Apply the first set of gloves and inspect them for tears. Thumb hole made in lab coat Thumb through opening in lab coat after pulling it over the hand Put on a second set of gloves (extend to cover wrist)STEP 4: MASK OR RESPIRATOR
As you cup the respirator in your hands, place the nosepiece there.With the nosepiece up, place the respirator under your chin. Pull the top strap over your head, putting it at the back of your head.Pull the bottom strap so that it is around your neck and just behind your ears.Mold the nose using two hands.Put both hands over the mask and take a forceful breath out.If air leaks, adjust the mask.STEP 5: GOGGLES OR FACE SHIELD
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