What are derived units?
Answer:
A derived unit is a unit that results from a mathematical combination of SI base units. Calculations involving derived units follow the same principles as other unit conversion calculations.
Explanation:
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Describe the functions of the brain and the spinal cord. how are these functions similar? how are these functions dissimilar?
Brain- The brain is a sophisticated organ that manages every bodily function as well as cognition, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger.
Spinal Cord- It connects our brain to our lower back. Our spinal cord carries nerve signals from our brain to our body and vice versa. These nerve signals help you feel sensations and move our body.
Similarity
The meninges protect and cushion the spinal cord, much like they do the brain. Most of the nerves in the body are connected to the brain through spinal nerves. The eyes, ears, and other components of the head are connected to the brain via various nerves.
Dissimilarity
The majority of bodily functions are managed by the brain, which is situated inside the skull. The spinal cord is a tube-shaped organ that extends from the base of the brain to the base of the spine. The nerves that make up the spinal cord transmit data from the brain to the rest of the body.
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For an individual to have the behavioral expression of the disorder pku, the individual must inherit a recessive combination of alleles and __________.
For an individual to have the behavioral expression of the disorder pku, the individual must inherit a recessive combination of alleles and be exposed to phenylalanine in the diet.
What is pku?
A rare genetic condition known as phenylketonuria, or PKU, causes the body to accumulate phenylalanine, an amino acid. The phenylalanine hydroxylase (PAH) gene is altered in PKU. The enzyme required to degrade phenylalanine is produced in part because to this gene.
When a person with PKU consumes protein-containing foods or aspartame, an artificial sweetener, a dangerous buildup of phenylalanine can occur because this person lacks the enzyme required to break down phenylalanine. This may ultimately result in severe health issues.
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51. how do the differences in amino acid sequences lead to different protein functions?
Different amino acid produce different proteins based on the bonds formed between them .
How does the sequence of amino acids affect the functions of protein ?Organic substances known as amino acids have both amino and carboxylic acid functional groups. Although there are hundreds of different amino acids in nature, proteins, which are made up of alpha-amino acids, are by far the most common. In the genetic code, only 22 alpha amino acids are present.
The sequence of amino acid of a protein determines protein shape , since the chemical properties of each amino acids are forces that gives rise to intermolecular interaction to begin to create secondary structure .
Amino acids are monomers of protein. So , different amino acids produce different proteins based on the bonds formed between them.
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The chief inhibitory neurotransmitter in the brain is ____, and the chief excitatory neurotransmitter is ____.
The chief inhibitory neurotransmitter in the brain is GABA and the chief excitatory neurotransmitter is Glutamate.
Gamma-aminobutyric acid (GABA) is an amino acid that serves as the central nervous system's main inhibitory neurotransmitter (CNS). By preventing nerve transmission, it works to lower neuronal excitability. When GABA attaches to the GABA receptor protein in your brain, it exerts a relaxing effect. Anxiety, worry, and fear can all be relieved with the use of this. The most prevalent excitatory neurotransmitter in the brain and central nervous system is glutamate. You require it to maintain optimal brain function. Glutamate has a significant impact on how learning and memory are shaped. Glutamate must be present at the proper concentrations, locations, and times.
The main distinction between glutamate and GABA is that L-glutamic acid decarboxylase produces GABA from glutamate.
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The process by which axons are covered and insulated with a layer of fat cells increasing the speed at which information travels throughout the nervous system is called?
the introduction of fingerlings into the pond is called
A stocking
B clearing
C inoculation
D fertilisation
Answer:
Stocking
Explanation:
Climate mitigation involves both reducing emissions sources and increasing emissions sinks. True or false?.
True: Climate mitigation involves both reducing emissions sources and increasing emissions sinks.
Climate change is one of the worst issues we are facing globally. Climate mitigation is one of the most effective measures to control this change. It involves reducing emission sources and increasing emission sinks so as to improve the situation. Climate change refers to the long-term changes in temperature and weather patterns. Although it may occur naturally, but is most probably caused by humans today. The emission of greenhouse gases is the primary source contributing to climate change, especially global warming. One of the most common greenhouse gas is Carbon dioxide which is released due to the emission of fuels, vehicles, reduced trees, etc.
We can control climate change by having two approaches: climate mitigation and adaptation. Reducing the emission of greenhouse gases in the atmosphere is referred to as climate mitigation. Adaptation refers to adapting to the climate change already persistent.
Climate mitigation involves reducing the release of heat-trapping greenhouse gases in the atmosphere, either by reducing the use of their sources like burning fossil fuels or by increasing the emission sinks that store these gases, such as rivers, forests, etc.
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1._____is the amounts of material an object has with gram as the basic unit 2.weighing is more accurate than _____ 3.in measuring dry ingredients,it should level with the______
4.leaved-off with____when filling dry ingredients is a measuring cup
5.in measuring liquid,place glass or plastic cup on a_____surface
Answer:
the mass of an object is the amount of material it contains.
Weighing is more accurate than volumn measurement.
in measuring dry ingredients,it should level with th back of a knife.
4
5
An endocrinologist is teaching about aldosterone secretion. Which information should the endocrinologist include?
An endocrinologist is teaching about aldosterone secretion should include the renin-angiotension system in his topic.
What is renin-angiotension system?Blood volume and systemic vascular resistance are both significantly regulated by the renin-angiotensin-aldosterone system (RAAS). The RAAS is in charge of more chronic changes, whereas the baroreceptor reflex reacts in the immediate term to lowered arterial pressure. Renin, angiotensin II, and aldosterone make up its three main constituents. In reaction to lowered renal blood pressure, lowered salt transport to the distal convoluted tubule, and/or beta-agonism, these three raise arterial pressure. These systems allow the body to raise blood pressure over an extended period of time.Learn more about the renin-angiotension system with the help of the given link:
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what are the two ways in which plants use the glucose they produce during photosynthesis?
When planning discharge teaching for a client who had coronary artery bypass graft (cabg) surgery using a vein graft, which information will the nurse include?
The teaching the nurse should include while planning the discharge of a patient who had coronary artery bypass graft (CABG) surgery using a vein graft is that: the patient avoids lifting heavy objects beyond 2 kg approximately and should report to the doctor when any redness or swelling is observed at the incision site.
CABG surgery is performed to treat the patients suffering from coronary artery disease (CAD). CAD is the narrowing of the artery due to some depositions. One possible treatment includes the replacement of the blocked artery portion with a healthy one. Now non-invasive techniques to treat the disease have been discovered.
Vein graft is a the portion of a vein that is cut and removed from one part of the body and placed and attached to another part of the body.
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In addition to transporting oxygen from the lungs to the tissues, hemoglobin is also involved in transporting carbon dioxide from the tissues to the lungs. how is this accomplished?
The correct option is (C) Carbon dioxide reacts with an amino group to stabilize the deoxyhemoglobin state.
In addition to transporting oxygen from the lungs to the tissues, hemoglobin is also involved in transporting carbon dioxide from the tissues to the lungs where, Carbon dioxide reacts with an amino group to stabilize the deoxyhemoglobin state.
How does hemoglobin contribute to the movement of carbon dioxide from the tissues to the lungs?The transport of carbon dioxide in the blood is influenced by a number of factors. First, blood contains more carbon dioxide soluble molecules than oxygen. The plasma contains 5–7% of the total dissolved carbon dioxide. Second, carbon dioxide can enter red blood cells and bind to hemoglobin or it can bind to plasma proteins. In this form, 10% of the carbon dioxide gets transported. A substance known as carbaminohemoglobin is created when carbon dioxide binds to hemoglobin. Hemoglobin and carbon dioxide can bind to one other again. As a result, when it gets to the lungs, the carbon dioxide can separate from the hemoglobin without restriction and leave the body.Third, the bicarbonate buffer system is responsible for transporting 85% of the carbon dioxide molecules.Learn more about the CO₂ transfer with the help of the given link:
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I understand that the question you are looking for is "In addition to transporting oxygen from the lungs to the tissues, hemoglobin is also involved in transporting carbon dioxide from the tissues to the lungs. How is this accomplished?
A. Carbon dioxide competes for the oxygen-binding site on the heme.
B. Carbon dioxide competes for the 2,3-BPG-binding site.
C. Carbon dioxide reacts with an amino group to stabilize the deoxyhemoglobin state.
D. Carbon dioxide binds to the carboxyl terminus of hemoglobin."
ASAP PLEASE HELP ASAP
1.Alex poured some pond water into three beakers. She then put waterweed into each
beaker. She put the beakers in different places.
i) In which beaker did the waterweed grow best? Give the correct letter.
________
ii) The waterweed in the box changed from dark green to pale yellow. Why did this happen?
2.In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason
for this.
3.In another experiment, Alex put similar pieces of waterweed into two more beakers of pond water. She added fertiliser to one of them. She kept them both by a window.
i) Alex added fertiliser to beaker E. Suggest the results of this experiment.
ii) What do fertilisers contain to help plants grow? Tick the correct box.
1. (i)The waterweed grew best in the beaker A which is placed in normal daylight.
1. (ii) The color of waterweed placed in the box changed from dark green to pale yellow as the entry of light was stopped which negatively affected the ability of the waterweed to photosynthesize.
2. The school pond having excess water lilies exhibited the growth of not many plants since the large leaves covering the pond surface prevented the penetration of light into the pond.
3. (i) The beaker E in which Alex added fertilizer showed better results in terms of plant growth as compared to the other without fertilizer.
3. (ii) √ Minerals
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Energy requiring metabolic pathways that yield complex molecules from simpler precursors are:________
Energy requiring metabolic pathways that yield complex molecules from simpler precursors are anabolic.
Metabolic pathways are those that take place inside an organism's body to regulate the proper functioning of the body The metabolic pathway comprises of two components: anabolism and catabolism.
Anabolism involves the formation of larger molecules from the smaller ones. For example: formation of glycogen from glucose is anabolism. Catabolism is the process of breakdown of larger substances into smaller ones. The example of catabolism is the breakdown of proteins into amino acids during digestion. All the reactions that take place inside an organism's body are part of its metabolism.
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___ is drug use that is not common within a social group and that is disapproved of by the majority. multiple choice question. deviant drug use drug abuse drug misuse recreational drug use
Deviant drug use is not common within a social group and that is disapproved of by the majority.
What is a deviant usage of drugs?If substance abuse is characterized as an illness or a crime, the loss of control linked to addiction is regarded as aberrant behavior that deviates from accepted social norms. Drugs that have been labeled addictive also have the ability to make users fearful as a preventative measure. There has been an attachment made between heredity and the idea of deviation, which appears to be more remote from a biological reason. Deviance was often believed to have genetic roots in the nineteenth century. Whether a person chooses to accept or reject the label, society and that person work together to create deviation.Learn more about the deviant drug with the help of the given link:
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Hypodermoclysis is used to treat:_________
a. increased acetone level
b. circulatory failure
c. serum alkalosis
d. mild to moderate dehydration
The correct option is (d) mild to moderate dehydration.
Hypodermoclysis is used to treat mild to moderate dehydration.
What is Hypodermoclysis?A simple procedure for injecting fluid into subcutaneous tissue is called hypodermoclysis. Subcutaneous fluid administration is technically simpler than intravenous fluid administration. It prevents the requirement for venous access in individuals who frequently have very weak veins at the end of life. Normal saline is the preferable solution, although it is also possible to utilize other solutions such 50% normal saline, glucose and saline, or 5% glucose. If necessary, potassium chloride can be added to the solution bag. Additionally, hyaluronidase can be administered to improve fluid absorption.
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A mutation occurred in the gene that encodes the enzyme sucrase, resulting in a single amino acid substitution in the active site of the enzyme. A polar amino acid was changed to a nonpolar amino acid. What is a likely result of this mutation?.
Answer:
A mutation occurred in the gene that encodes the enzyme sucrase, resulting in a single amino acid substitution in the active site of the enzyme. A polar amino acid was changed to a nonpolar amino acid. The result of this mutation sucrase will not be ale to bind in the active site.
Explanation:
A digestive enzyme known as sucrase catalyzes the breakdown of sucrose into its component sugars, both glucose plus fructose. One kind, sucrase-isomaltase, which is secreted at the brush boundary of the small intestine. A condition known as congenital sucrase-isomaltase insufficiency impairs a person's capacity to digest particular sugars. The carbohydrates sucrose and maltose could not be broken down by those who have this disease.
Which foods include sucrose?
Vegetables and fruits contain sucrose, which is extracted from the sugarcane and used in food manufacturing and cooking. Sugar cane , grapes, oranges, beets, as well as other vegetables and foods all usually have the same amount of sucrose as the sugar inside the sugar bowl. Components for other sugars.
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Each individual cell in an excel worksheet area is identified by a letter and number combination, such as a2, known as the?
Cell reference or cell address refers to a combination of column specified by alphabets A-Z and rows specified by numbers that can be used to locate an exact cell in a spreadsheet.
This cell address makes operation on the worksheet easier eliminating the stress of manually locating cells whenever you are working. For example, in the summation of two numbers in different cells, the cell address for the two numbers can be entered in any desired cells with the operator symbol included. Hence, it’s common to see A1, B2, and C3, on the excel worksheet. In fact, the excel worksheet was built on the basis of cell referencing.
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Which type of fracture involves a break through only part of the cross-section of the bone?
A type of fracture that involves a break through only part of the cross-section of the bone is called an incomplete fracture.
A fracture is an incomplete or complete break in the continuity of the bone structure. When a bone is subjected to great stress, more than it can absorb, it breaks, resulting in a fracture.
When only part of the bone gets cracked or broken it is called an incomplete fracture. Other types of fractures include:
Complete fracture: this is a breakthrough the whole cross-section of the bone. Closed fracture: in this type of fracture does not result in a tearing or opening of the skin.Open fracture: this occurs when a fracture results in the opening or breaking of the skin.Learn more about fractures here:
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Which factor influences both chemical weathering and mechanical weathering?
Options:
A: Wind
B: Iron
C: tectonic plates
D: Plants
Answer:
the answer is D.
Explanation:
The reason plants can influence both chemical weathering and mechanical weathering is because their roots grow into rocks and crack them. but It can inhibit erosion of the soil thanks to the roots.
15. Jessie is concerned about how tired his classmates seem. He created
a drink that he thinks will boost their energy. He recruits 100 classmates
with a history of tiredness. He has 50 of them drink his new special energy
drink. The other 50 drink a beverage that looks like the special energy
drink, but is just water and food coloring. Both groups were told that they
were getting the special drink that would boost energy. After 2 hours, 30
classmates in the first group reported having more energy and 8
classmates in the second group reported having more energy. What is the
independent variable?
Answer: type of drink
Explanation:
If a uranium atom undergoes both alpha and gamma decay, what happens to it? the nucleus loses neutrons. the nucleus loses positrons. the nucleus loses protons. the nucleus loses energy. the nucleus loses electrons.
The correct answers are:
The nucleus loses neutronsThe nucleus loses protonsThe nucleus loses energyWhat is alpha decay?A nuclear process known as "alpha decay" releases a particle made up of two protons and two neutrons when an unstable nucleus transforms to another element. The helium nucleus that is being ejected is known as an alpha particle. Positive charge and a sizable mass characterize alpha particles.What is gamma decay?Gamma decay is a form of radioactivity where some unstable atomic nuclei release extra energy through an electromagnetic mechanism that occurs naturally. Gamma rays—photons or electromagnetic energy packets with an incredibly tiny wavelength—are emitted in the most prevalent type of gamma decay, referred to as gamma emission.To learn more about radioactive decay visit:
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The correct answers are:
The nucleus loses neutrons
The nucleus loses protons
The nucleus loses energy
What is alpha decay?
A nuclear process known as "alpha decay" releases a particle made up of two protons and two neutrons when an unstable nucleus transforms to another element.
The helium nucleus that is being ejected is known as an alpha particle.
Positive charge and a sizable mass characterize alpha particles.
What is gamma decay?
Gamma decay is a form of radioactivity where some unstable atomic nuclei release extra energy through an electromagnetic mechanism that occurs naturally.
Gamma rays—photons or electromagnetic energy packets with an incredibly tiny wavelength—are emitted in the most prevalent type of gamma decay, referred to as gamma emission.
Which is the most significant agent formed in the phagolysosome for the elimination of microorganisms?
Hypochlorite ions is the most significant agent formed in the phagolysosome for the elimination of microorganisms.
What is phagolysosome ?A phagolysosome, also known as an endolysosome, is a cytoplasmic entity that is created when a phagosome and a lysosome combine during phagocytosis. For germs and pathogens to be destroyed intracellularly, phagolysosome formation is required.
What is the difference between phagosome and a phagolysosome?Phagolysosomes are cytoplasmic bodies created when a phagosome and a lysosome combine, which is the main distinction between them and phagosomes. A phagocytic cell forms a vesicle called a phagosome around the objects it ingests during phagocytosis.
What do the phagosome and phagolysosome consist of ?A phagolysosome is created when phagosomes and lysosomes combine and possesses a number of antibacterial qualities. Reactive oxygen and nitrogen species (ROS and RNS) as well as hydrolytic enzymes are found in the phagolysosome.
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When the membrane is at the potassium equilibrium potential, in which direction (in or out) is there a net movement of potassium ions?
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Endocrine system: the endocrine system is made up of the cells, tissues, and organs that secrete hormones into body fluids such as the blood stream. what is its function?
Function: -
The advancement of the central nervous system, the growth and operation of the reproductive organs, and also the metabolism and blood sugar level, are all regulated by the endocrine system, which is made up of all the various hormones produced by the body from conception and via adulthood and into old age.
Metabolism- The alterations in an organism's or a cell's chemistry. These modifications generate the ingredients and energy that cells and organisms require to develop, procreate, and maintain health. Anabolism and catabolism are components of metabolism.
Hormones- Chemicals called hormones function in the body as messenger molecules. They are created in one area of the body and then go to other areas where they assist regulate how cells and organs function.
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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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The scar tissue generated in the brain by _______ cells acts to impede the regrowth of nerve cells.
Answer:
astrocytes
Explanation:
astrocytes
4. A student is excitedly telling their friend their
plans for the weekend, and is not listening to the
teacher's lab instructions. During the lab, the
student mixes two of the wrong chemicals
together and an uncontrolled chemical reaction
occurs.
Precautions:
Response:
Answer:
Response: Tell the teacher. Precaution: Always listen to all the instructions before engaging in any activities.
Precautions for Conducting Chemical Experiments: Active Listening: Always pay close attention to the teacher's instructions and lab guidelines. Ignoring instructions can lead to accidents or mistakes.
Read and Understand: Prior to starting any experiment, thoroughly read and understand the lab procedure, including the chemicals being used and any potential hazards.
Proper Attire: Wear appropriate lab attire, including a lab coat, safety goggles, and gloves to protect yourself from potential chemical splashes.
Chemical Compatibility: Familiarize yourself with the chemicals you're using and their potential reactions. Only mix chemicals that are approved and indicated for the experiment.
Labeling: Ensure all chemicals are properly labeled with their names and concentrations. Never use unlabeled or improperly labeled containers.
Workspace Setup: Keep your workspace organized and uncluttered. This minimizes the risk of accidental spills or cross-contamination.
No Distractions: Avoid distractions such as talking to friends during the experiment. Focus on the task at hand to prevent errors.
Small Quantities: When mixing chemicals, use small quantities as instructed in the procedure. This reduces the potential impact of any unexpected reactions.
Test Tubes and Containers: Use appropriate glassware and containers for chemical mixing. Avoid using incorrect or damaged equipment.
Fume Hood: If applicable, conduct experiments in a fume hood to prevent the inhalation of potentially harmful fumes.
Emergency Equipment: Familiarize yourself with the location and proper use of emergency equipment, such as eyewash stations, safety showers, and fire extinguishers.
Disposal: Follow proper disposal procedures for chemicals and waste materials. Never pour chemicals down the sink without proper guidance.
Know What to Do: In case of an accident or unexpected reaction, know the appropriate steps to take. Alert the teacher or lab supervisor immediately.
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How does the structure of the plasma membrane depend on the amphiphilic (means both hydrophobic and hydrophilic) nature of phospholipids?
The amphiphilic molecules arrange themselves into a bilayer, with their hydrophilic phosphate-containing heads facing the water on each side of the membrane and their hydrophobic tails directed towards the center, avoiding water.
A phospholipid is a lipid composed of two fatty acid tails, glycerol and a phosphate-linked head group. Biological membranes typically have two phospholipid layers with their tails pointing inward, a configuration known as a phospholipid bilayer.
The primary material of the plasma membrane is composed of phospholipids arranged in a bilayer. They are amphipathic, which means they have both hydrophobic and hydrophilic regions, making them ideal for this role.
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