Answer:
0.00305
Explanation:
Calculate 10 to the power of −3 and get 1/1000Multiply 3.05 and 1/1000 to get 61/2000061/2^-5.5^-4 = 0.00305Hope it helps!!!
;}
Answer:
0.00305
Explanation:
Given the following question:
Since the exponent is negative, we move the decimal point to the LEFT three times.
3.05 * 10^-3
Exponent is negative:
.0.0.3.05
= 0.00305
Which means your answer is "0.00305."
Hope this helps.
Describe two effects that a change in the sequence of amino acids would have on a protein.
Intricate molecules make up proteins.
The way a protein folds up determines the distinct three-dimensional form that it has. It cannot do its task in the cell if it does not fold up into the proper shape. Amino acid linkages, which are dispersed along the protein molecule, are what give a protein its shape. The bond cannot form if the incorrect amino acid is present, preventing the protein from adopting the proper shape and performing its function. For instance, the illness sickle cell anemia is brought on by a single fatal error in the amino acid sequence of the hemoglobin molecule!
Proteins are made from chemical 'constructing blocks' called amino acids. Your body uses amino acids to construct and repair muscle mass and bones and to make hormones and enzymes.
They also can be used as an power source. you can without problems meet your day by day protein needs via following the Australian nutritional recommendations.
Proteins are big biomolecules and macromolecules that contain one or extra lengthy chains of amino acid residues.
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To help understand immunostimulant drug therapy, the client has come to the clinic for a class on thrombopoiesis. the nurse explains that the term means the formation of which types of blood cells?
Answer:
Глупый америкос , глупые вопросы задаёт , а мы русские все сами решить можем!
Explanation: Тупой америкос
The purpose of resin in pines is to ____. multiple choice question.
A. carry large volumes of water
B. withstand cold temperatures
C. protect against insects and fungi
D. provide rigid strength
The purpose of resin in pines is to protect against insects and fungi.
What is the purpose of resin in pines?Pine needle has resin that is responsible for the defense of plant body against insects and other animals. The resins may disrupt the feeding, digestion or metabolic function of the insects and animals that feed on it. Resin is a substance that can be used for a various purposes in our daily life. It is commonly used for making arts, crafts, flooring and countertops. Resin can also be used to make plastics and act as an excellent adhesive which is used to join materials to one another. Pines and many other plants that produce resin are used to protect the inner body of plant from causing disease.
So we can conclude that the purpose of resin in pines is to protect against insects and fungi.
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Two neurosurgeons were able to reduce seizure activity in epileptic patients by severing the _____.
Two neurosurgeons were able to reduce seizure activity in epileptic patients by severing the: corpus callosum
The epilepsy is a brain disease associated with neurological disorders. Patients suffering from this disease present multiple repetitive and unpredictable seizures that could cause physical damage to the patient.
The general cause of epilepsy may be due to a health condition, an injury affecting the brain, or even an unknown (idiopathic) cause. The followings are common causes of epilepsy:
Stroke or transient ischemic attack (TIA).Dementia, such as Alzheimer's diseaseTraumatic brain injuryInfections, such as brain abscess, meningitis, encephalitis, and HIV/AIDSBrain problems present at birthBrain tumorOther disease that damages or destroys brain tissueWhat is the corpus callosum?It is the part of the brain that acts like a bridge linking the two cerebral hemispheres.
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The use of mri brain scans has revealed _____ in those who suffer from schizophrenia.
The use of MRI brain scans has revealed enlarged ventricles in those who suffer from schizophrenia.
What is schizophrenia?Schizophrenia is a mental illness characterized by recurrent or ongoing psychotic episodes. Hallucinations (often voice hearing), delusions, and jumbled thinking are among the main symptoms. Other signs include indifference, a reduction in emotional expression, and social disengagement. Young adulthood is the normal time for the onset of symptoms, which frequently never go away. Observed behavior, a history that includes the person's reported experiences, and the accounts of those who are familiar with the person are used to make the diagnosis because there is no objective diagnostic test. If symptoms and functional impairment are present for six months (DSM-5) or one month, schizophrenia can be diagnosed.
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What is the function of the cytoskeleton?
It is a protein structure that helps give structure to the cell
It helps with cell reproduction
It helps with storing nutrients for the cells
All of the above
The cytoskeleton helps a cell maintain its shape and helps keep its internal continents in place and organized. It is also responsible for the locomotion of the cell.
So the simple answer to this question is: it is a protein structure that helps give structure to the cell.
Hope this helps!
The outer layer of cells that will eventually provide nutrition and support for the embryo is called the:____.
The outer layer of cells that will eventually provide nutrition and support for the embryo is called the trophoblast.
During embryonic development, the outer layer of cells that forms early on is called the trophoblast.
The trophoblast plays a crucial role in establishing the connection between the developing embryo and the mother's uterus.
One of the primary functions of the trophoblast is to facilitate implantation.
After fertilization, the fertilized egg, or zygote, undergoes multiple cell divisions, forming a hollow ball of cells known as the blastocyst. The trophoblast is the outer layer of this blastocyst.
Upon reaching the uterus, the trophoblast cells attach to the uterine lining, a process called implantation.
The trophoblast then begins to differentiate into two distinct layers: the syncytiotrophoblast and the.
Thus, the complete sentence is "The outer layer of cells that will eventually provide nutrition and support for the embryo is called the trophoblast."
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A virus is a cellular agent that possesses membrane-bound organelles. True or false
Answer:
it is false because virus destroy the cellular agent.
____is the small but influential brain structure that controls the pituitary gland and regulates hunger, thirst, sexual behavior, body temperature, and a wide variety of emotional behaviors.
Answer:
The hypothalamus is a brain structure that contains a number of small areas that perform a variety of functions, including the regulation of hunger and sexual behaviour, as well as linking the nervous system to the endocrine system via the pituitary gland.
If you made a change in the promoter sequence in the dna, what would happen at the rna level?.
The RNA polymerase could now no longer be capable of understand and bind the DNA, so no RNA could be made .then RNA polymerase and related transcription elements will now no longer understand the promoter
Promoter sequences outline the path of transcription and imply which DNA strand can be transcribed; this strand is referred to as the feel strand. Many eukaryotic genes have a conserved promoter series known as the TATA box, placed 25 to 35 base pairs upstream of the transcription begin site.
The series of bases in DNA can regulate the shape of proteins. Sections of DNA which feature as genes are transcribed into 'pre-mRNA', then edited and spliced to shape mature messenger RNA.
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for early cells the major source of carbon was and the major fuel for energy was .
For early cells the major source of carbon was CO2 and the major fuel for energy was hydrogen. A fuel cell produces electricity cleanly and efficiently by utilizing the chemical energy of hydrogen or other fuels. When hydrogen is used as a fuel, the only outputs are power, water, and heat.
Most fuel cells are powered by hydrogen, which can be delivered directly into the system or created within the system by reforming hydrogen-rich fuels like methanol, ethanol, and hydrocarbon fuels. Other carbs, lipids, and proteins may be used as an ATP source in specific cells or at specific periods.
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Many bacteria have overcome the difficulty of iron uptake by secreting low molecular weight iron-binding proteins called?
Answer:
Many bacteria have overcome the difficulty of iron uptake by secreting low-molecular, weight iron-binding proteins called Siderophores.
Explanation:
Siderophores keep a high affinity for iron chelating compounds. They are mostly secreted by microbes like bacteria, fungi, and grasses. Iron is very important for living organisms because of its involvement in many metabolic pathways. The surface iron has been oxidized by the aerobic atmosphere into an insoluble hydroxide polymer and thus the level of free oxygen gets reduced. Thus, microorganisms use such systems for the uptake of sufficient iron. The complexes of siderophores and iron are taken to the cells by the receptors. These are then encoded and in operons by five genes which are then turned off when a sufficient amount of iron is taken to the cell.
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3. What is the function of a stop codon?
tells ribosomes and tRNA to package the proteins for transport out of the cell
tells ribosomes and tRNA to return to the nucleus of the cell
tells ribosomes and tRNA molecules to attach to a strand of mRNA and begin reading and translating
Otells ribosomes and tRNA to stop reading codons and detach
The function of a stop codon is that it tells ribosomes and tRNA to stop reading codons and detach. That is option D.
What is ribosomes?Ribosomes are membrane bound cellular organelles that assists the cell in the synthesis of proteins.
The tRNA which is the transfer ribonucleic acid is located at a specific area in the ribosomes and they help in the translation of messages from the messenger Ribonucleic acid for protein synthesis.
The stop codon is a nucleotide that is located at the messenger RNA. Examples of stop codons found in the mRNA include the following:
UAG, UAA, andUGADuring the production of proteins by the ribosomes, the stop codons helps to put this process in check by using a negative feedback mechanism of action.
That is to say, the signalling of the stop codon leads to the inhibition of protein synthesis through telling the ribosomes and tRNA to stop reading codons and detach.
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Cardiac muscle contracts as a unit because the electrical activity in the heart spreads over the entire muscle due to____________.
Cardiac muscle contracts as a unit because the electrical activity in the heart spreads over the entire muscle due to gap junctions in intercalated discs.
Heart is formed by a specialized tissue called myocardium. The myocardium is responsible for pumping blood through the heart. It contracts and expands involuntarily in response to electrical impulses from the nervous system. The heart has another tissue that contains pacemaker cells. These cells are responsible for generating electrical impulses. They determine the heart rate by controlling the frequency of pumping up of blood.
The myocardium, as a whole of cardiac muscle, is held together by desmosomes. Desmosomes are another specialized structure found inside the intercalated discs.
Two cardiac muscles are connected by intercalated discs. Intercalated discs have a gap junction inside them which transfers the electrical impulse from one cardiac muscle cell to another.
Therefore, cardiac muscle contracts due to the action of gap junctions inside the intercalated discs.
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Paraneoplastic syndromes in cancer involve excessive production of substances by multiple means. a common substance found in excessive amounts resulting from cancer paraneoplastic syndromes is?
Answer:
Paraneoplastic syndromes in cancer involve excessive production of substances by multiple means. a common substance found in excessive amounts resulting from cancer paraneoplastic syndromes is calcium.
Explanation:
A frequent paraneoplastic illness called hypercalcemia or the higher level of calcium that can affect up to 10% of people who have advanced neoplasms. The much more important cause of this illness is a parathyroid hormone-related protein (PTHrP), which is a paraneoplastic protein. The abnormal synthesis of parathyroid hormone as well as parathyroid hormone frequently results in hypercalcemia, which raises the blood calcium content and causes bone breakage. a, different types of cancers are caused by paraneoplastic syndromes like breast cancer, stomach cancer, lung cancer and ovarian cancer etc. The doctor will have to perform a physical examination and request blood tests to identify paraneoplastic syndrome of something like the nervous system.
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The phenomenon where friction causes the infinitesimally thin layer of air molecules immediately adjacent to the body surface to stick to the surface is called the _____ condition.
Answer: Stored as lipids in fat tissue!
Explanation: Excess glucose is stored as lipids in your fat tissues. It can also be stored as glycogen in your muscles.
A red blood cell placed into a container of distilled water will ________ water through the process of ___________.
A red blood cell placed into a container of distilled water will gain water through the process of osmosis.
What is osmosis?Through a cell's partially permeable membrane, water molecules move through osmosis from a solution with a high concentration of water molecules to one with a lower concentration. Red blood cells that are exposed to fresh water swell, and plant root hairs that absorb water are two examples of osmosis. Soak gummy candies in water to see an uncomplicated example of osmosis. A semipermeable membrane is created by the gel in the candies.
When two solutions with different solute concentrations are separated by a semipermeable membrane, osmosis is how the solvent is transported through the membrane. The solvent is transferred from a solution with a lower concentration of solute to a solution with a higher concentration during osmosis.
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Which chemotherapeutic agents require the prescription of mesna (mesnex)?
Cytoprotective (ifosfamide) chemotherapeutic agents require the prescription of mesna (mesnex).
Cytoprotective- Describing a substance or agent that guards against predicted cell harm.
Mesna- When receiving ifosfamide, mesna is used to lower the risk of hemorrhagic cystitis, a disorder that causes bladder inflammation and may result in life-threatening bleeding (a medication used for the treatment of cancer).
Chemotherapeutic- Originally, chemotherapeutic treatments were those used to treat infectious microorganisms, but the word has now been expanded to cover anticancer medications as well. Vincristine, Paclitaxel, and Topotecan are three examples.
Microorganisms- A living thing that can only be observed under a microscope. Protozoa, algae, fungus, and bacteria are all examples of microorganisms.
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How does capillary action allow water to climb up the sides of a straw? (For biology homework, please help if you can)
What transpires inside a drinking straw that has been placed in a cup of water is an illustration of capillary action.
The water will rise inside the straw a little bit higher than the rest of the water because the force of adhesion holding the water together and to the straw is a little stronger than gravity.
The adhesion of water molecules to other molecules, or the attraction between them, is also connected to these cohesive forces. This may be seen when a straw is placed in a glass of water and water "climbs" up the straw. You'll see that the water seems to be higher on the straw's sides than in the center.When we suck from a straw, a low-pressure area is generated inside our lungs by increasing the capacity of our lungs. As a result, the liquid rises inside the straw as a result of the atmospheric pressure forcing it into our mouth from the outside.Learn more about capillary action here:
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What are four possible reasons a cell might not be able to create and deliver all the protein it needs
Mutations are changes in the DNA sequence that can cause alteration in signaling pathways, transcription, translation, and epigenetics is a reason that a cell might not be able to create and deliver all the protein it needs.
Mutation can change the instructions of a gene to not make protein at all. It can also cause a protein to malfunction.
It can change the transcription of a nucleotide sequence from DNA to mRNA.
A lack of amino acids can also be a major reason that a cell might not be able to create and deliver the protein.
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Define domestic and compare the domestic water usage among the world average, the low income and high income countries
China's population uses, 1370 trillion liters of water annually, according to data. It now ranks among the nations with the highest global water use.
What is domestic water usage?Domestic water use in homes encompasses both indoor and outdoor activities such as drinking, cooking, cleaning, bathing, washing clothes and dishes, flushing toilets, watering gardens and lawns, and maintaining swimming pools.
9,087 billion cubic meters of water are used globally each year. The biggest annual totals were consumed by China, India, and the U.S., totaling 1,207 billion, 1,182 billion, and 1,053 billion cubic meters, respectively. Brazil came in second with 482 billion.
Therefore, large amount of domestic water usage among the world.
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When hypothesizing a possible phylogeny in order to classify taxa, scientists incorporate systematics to?
When hypothesizing a possible phylogeny in order to classify taxa, scientists incorporate systematics to provide primarily morphological information. Professionals frequently express hypotheses in if/then statements, e.g., if someone consumes a lot of sugar, then they will get cavities in their teeth.
These claims list particular variables and make predictions about the outcomes. In this instance, the sugar content is the variable, and cavities are the outcome. A hypothesis is a theory put up to explain a phenomenon. A hypothesis must be testable according to the scientific method for it to be considered a scientific hypothesis. Scientific phylogeny are typically based on prior observations.
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Brain cells that respond to actions performed by someone else by mimicking the action are called?
Brain cells that respond to actions performed by someone else by mimicking the action are called Mirror Neurons.
Mirror Neurons- A type of neuron called a mirror neuron changes its activity when a person performs a certain motor movement and when they see someone else perform the same or a similar task.
Motor Movement- Motor skills include things like extending, bending, catching, and throwing.
Brain cells- The brain's functional tissue is made up of brain cells. The stroma, which contains blood vessels, is the structural or connective portion of the remaining brain tissue. Neurons, also known as nerve cells, and glial cells, sometimes known as neuroglia, are the two primary cell types in the brain.
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Why do humans , bees , and flowers need glucose and not rocks ?
Which membrane transport mechanism requires the greatest amount of energy? active transport facilitated diffusion simple diffusion passive transport
Active transport is the membrane transport mechanism that requires the greatest amount of energy.
Active transport is the movement of molecules against the concentration gradient across a cell membrane from a location of lower concentration to a region of greater concentration. Cellular energy is needed for active transport in order to achieve this movement. Because it enables the cell to move chemicals against the concentration gradient, active transport is significant. Even though a substance's concentration is higher inside a cell than it is outside, cells can still take it in.
Exocytosis and endocytosis, two membrane transport processes that require energy expenditure, are both included in active transport. Simple diffusion, passive transport, and facilitated diffusion are all metabolically inert processes.
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Proteins that affect the structure of dna bound to histones without altering histone chemical structure are called:_______
Proteins that affect the structure of dna bound to histones without altering histone chemical structure are called Non-histone protein.
The proteins that remain after the histones have been taken out are known as non-histone proteins. A large group of heterogeneous proteins referred to as non-histone proteins organise and compress the chromosome into higher order structures.
They play a crucial role in regulating processes such nuclear transport, steroid hormone activity, nucleosome remodelling, DNA replication, RNA synthesis and processing, and the transition between interphase and mitosis.
Scaffold proteins, DNA polymerase, Heterochromatin Protein 1, and Polycomb are examples of typical non-histone proteins. This classification area also includes a large number of other structural, regulatory, and motor proteins. Non-histone proteins can be acidic. Other than histones, many proteins have the ability to bind to DNA and change the shape of the chromatin by means of epigenetic processes.
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A __________ is defined as the living and nonliving elements in the area around an organism.
The elements around an organism, both living and nonliving, are referred to as a ______.
What is organism?
A unique creature, plant, or single-celled organism which is living.
Habitat or ecosystem is defined as the living and nonliving elements in the area around an organism.
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Evolutionary psychologists suggest that human behavioral similarities arise from our shared?
Evolutionary psychology makes the strongest case for the idea that our shared genome explains the biological and behavioural similarities between humans.
What fundamental principle underpins evolutionary psychology?Evolutionary psychologists contend that certain issues experienced by early humans drove the development of the human brain.Evolutionary psychology's central tenet is that by considering the environment in which early humans evolved, it is possible to better understand how modern humans behave.What exactly is a genome?The total collection of DNA instructions present in a cell makes up the genome. The human genome is made up of 23 pairs of chromosomes that are found in the cell's nucleus and one tiny chromosome that is found in the mitochondria. Everything a person needs to grow and operate is encoded in their genome.learn more about Evolutionary psychology here
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What is the sequence of events that occur in order for the posterior lobe of the pituitary gland to release hormones into the blood?
Your body's sophisticated control and coordination center is located in your hypothalamus, a structure deep inside your brain. Its major job is to maintain homeostasis, a constant state of equilibrium in your body. It carries out its function through controlling hormones or by directly affecting your autonomic nervous system.
What are the endocrine cells?The gut's endocrine cells are a significant source of the hormones that regulate metabolism, digestion, and appetite. They are mostly found in two places: islets in the pancreas and sporadic clusters in the mucosal epithelium of the gut.
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Imagine that, of three species, it is known that species 1 and 3 were separated 10 million years ago, based on geologic measurements. Genetic analysis at a neutral locus indicates that these species differ by 100 substitutions. If there are 10 substitutions separating species 1 and 2, approximately how long ago did these species diverge?.
Answer: 1 million years ago