The name of the process by which the roots of the maize plant absorb mineral salts from the soil is: diffusion.
Roots are the bottom-most part of the plant that are present inside the soil. Their function is to absorb water and minerals from the soil and provide it to the whole plant. These are the also the organs of anchorage that help the whole plant to stand erect and upright.
Diffusion is the process by which the materials travel from one region to another without the use of energy. The direction of transport is from the region of high concentration of molecule to the region of low concentration.
The given question is incomplete, the complete question is:
Lance set up an experiment to investigate how the root of maize plants absorb mineral salts from the soil and he discovered the following points: If the roots were given a poison the prevented respiration, the plant did not absorb any minerals: If the roots Were in waterlogged soil and, therefore lacked oxygen, the plants did not absorb any minerals.
What name is given to the process by which Lance's maize plants absorb the mineral salts from the soil?
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Which are examples of a chemical change occurring? (Select all that apply.)
frying an egg
cutting butter
toasting bread
melting chocolate
Answer:
Frying an egg
Cutting butter
Explanation:
Frying an egg is changing the liquids and forming them into a harder substance. Cutting butter is breaking apart the particles that keep it together. Those are examples of chemical change.
an mrna molecule with the sequence 5'-ccg-acg-3'is being read by a ribosome. during translation which of the following trna anticodons will be the first to productively bind with this mrna?
The anticodon loop of the initial trna, which will complete this mrna, is 3' GGC 5.A transfer RNA triplet of nucleotide bases and a complementary codon in messenger RNA connect to each other to identify the amino acid supplied during protein synthesis at a ribosome.
An amino acid is coded for by a codon, which is a triplet of three nucleotides that can be found on mRNA. An anticodon, which is a three-nucleotide sequence on tRNA, joins with the same sequence on mRNA to form a bondTo determine the whole anti-codon sequence necessary to match a certain strand of mRNA, or to match the complementary nucleotides in the mRNA sequence, each tRNA has a trio of bases known as an anti-codon.Proline-stop Threonine’s codon will be produced by the mRNA sequence 5-CCG-ACG-3’.The genetic code Is understood to be a system of base sequences that designate the amino acids needed for protein production during translation.The code Is made up of codons, each of which specifies an individual amino acid and has a triplet of bases.There are 64 codon sequences, of which 61 define amino acids and 3 specify the point at which translation should stop.
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What part of the brain is most important for yenay to recognize and name the new food?.
Answer: anterior temporal lobes
Explanation: The anterior temporal lobes are on part of the human brain that helps recall names of things
the bones function as levers in coordination with what other body system? question 1 options: cardiovascular muscular integumentary digestive
The bones function as lever in coordination with muscular body system.
Bones are the type of tissues that provide the body its actual shape and structural framework. They are hard and calcareous on the outside but have a soft inner spot. The bones are comprised of calcium and phosphorus minerals. There are a total of 206 bones inside an adult human.
The muscular system of the body is comprised of the muscle tissues. There are three categories of muscles: skeletal, smooth and cardiac. The smooth and cardiac muscles can maintain their own movement but skeletal muscles are attached with the bones to facilitate their movement.
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What type of organism did skou use to study the sodium potassium pump because they had large nerve fibers?.
Skou proposed in the late 1950s that an enzyme is responsible for the transport of molecules across a cell's membrane. His research on the membranes of crab nerve cells led to the discovery of Na+-K+ ATPase.
What are Sodium and Potassium?
Electrolytes like potassium and sodium help your body function normally by maintaining fluid and blood volume. Consuming too little potassium and too much sodium, on the other hand, can raise your blood pressure.
The terms "salt" and "sodium" are frequently used interchangeably, but they do not mean the same thing. Salt (also known by its chemical name, "sodium chloride") is a natural crystal-like compound. Sodium is a mineral that is found in salt as one of the chemical elements.
The majority of the potassium we consume comes from vegetables, fruits, seafood, and dairy products. The majority of the sodium we consume, on the other hand, is added to packaged and restaurant foods.
If you have high blood pressure, increasing your potassium intake can help lower it. Increasing potassium intake can lower your risk of heart disease and stroke by lowering blood pressure. Consuming too much sodium, on the other hand, can raise your blood pressure.
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during rna processing, what happens to a mrna that makes it easier for ribosomes to attach to the 5' end
Exons of the mRNA are removed during RNA processing, which makes it easier for the ribosome to connect to the 5' end.
In some genes, non-coding DNA sequences are found between the DNA segments that code for proteins. Pre-introns mRNA's are cut out during RNA splicing to provide the complete set of instructions for the protein.
The removal of specific sequences known as intervening sequences, or introns, or they're "splicing out" is one of the processes in this processing, known as RNA splicing. Thus, the remaining sequences, known as exons, are joined through splicing to form the final mRNA.
The complete gene, including exons and introns, is transcribed into a pre-mRNA during transcription. Introns are cut out and exons are combined to create a continuous coding region during the RNA splicing process.
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In selecting recombinant bacteria, cells are chosen that are resistant to a specific antibiotic. How are the bacteria made resistant?.
In selecting recombinant bacteria, cells are chosen that are resistant to a specific antibiotic, The antibiotic resistance gene is encoded on the donor insert.
What is antibiotic?Antibiotics refer to a class of antibacterial substances that act against bacteria.This is the main type of antibacterial agent used to fight bacteria. These drugs usually inhibit the formation of the bacterial cell wall or its cellular contents. Bacteriostatic agents prevent the growth of bacteria. Antibiotics are drugs that fight infections in humans and animals caused by bacteria by either killing them or making it difficult for them to grow and multiply. Vancomycin 3.0 is one of the most powerful antibiotics ever developed. Used to treat conditions such as meningitis, endocarditis, joint infections, bloodstream infections, and skin infections caused by methicillin-resistant Staphylococcus aureus.To learn more about antibiotic from the given link :
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how many different genotypes are shown in the 16 squares of the grid? genotypes: what is the genotypic ratio underlying the 9:3:3:1 phenotypic ratio?
The genotypic ratio underlying the 9:3:3:1 phenotypic ratio is 1:2:1:2:4:2:1:2:1.
The genetic make-up of an organism is referred to as its genotype, and it reflects each of the alleles, or gene variants, that the organism carries.
A mating experiment between two organisms that are equally hybrid for two traits is referred to as a dihybrid cross. When an organism is heterozygous, it means that there are two distinct alleles present at a specific genetic location or site. When Gregor Mendel saw pea plants that were either yellow or green, spherical or wrinkled, he came up with the concept of a dihybrid cross.
In a dihybrid cross, the genotypic ratio is 1:2:2:4:1:2:1:2:1 for the F2 generation. A 9:3:3:1 phenotypic ratio would then result.
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What percentage of the food products currently on u. S. Supermarket shelves contains some form of genetically modified food or ingredients?.
The percentage of processed foods in grocery stores that include at least some genetically modified ingredients ranges from 60 to 70 percent.
How much food has undergone genetic modification?In the US, more than 95% of livestock and dairy cows consume GMO crops. Independent research demonstrates that the safety and health of animals are not affected differently by GMO- and non-GMO-foods. The animal that consumes the GMO food does not get any of the DNA from it.
What proportion of supermarket foods have at least one genetically modified component?At least one ingredient in processed foods sold in American grocery stores is genetically modified.
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orientation tuning curves show the response pattern of neurons to stimuli (e.g. bars of light). what recording methodology was used to create these curves?
Single cell recordings methodology used for orientation tuning curves show the response pattern of neurons to stimuli.
Single-cell recording is a method for tracking changes in current or voltage within a single neuron. It is still conceivable to register a neuron in a living animal, despite the fact that this is a traditional in vitro procedure. Since many years ago, single-cell electrophysiology in vivo has been used. Kuffler initially applied it to the sensory systems (1953). This makes it possible to ascertain the types of stimuli that a given cell reacts to. You might try your hand at an experiment using this graphic, evaluating the response of one eye cell, a ganglion cell.
Hence, Single cell recordings is primary option for tuning curves
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What is the purpose of embedding the electron transport chain in the membrane of a cell?.
The purpose of embedding the electron transport chain in the cell membrane is to store excess of hydrogen ions (protons) to fuel ATP synthase.
What is electron transport chain?The electron transport chain is said to be a series of four protein complexes that combine redox reactions to produce an electrochemical gradient that leads to the formation of ATP in a complete system called oxidative phosphorylation. Both cellular respiration and photosynthesis occur in mitochondria.
The primary goal of the electron transport chain is to accumulate an excess of hydrogen ions (protons) in the intermembrane space in order to create a gradient in their concentration in comparison to the matrix of the mitochondria. ATP synthase will be fueled by this. We can also say the electron transport chain is embedded in the inner membrane of the mitochondria during aerobic respiration. An electrochemical gradient is produced in the mitochondrial intermembrane gap as a result of the energy lost as they move from one carrier to another. This gradient is used by ATP synthase to produce stored energy (ATP).
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Please select the word from the list that best fits the definition
Situation in which the mother and father share authority.
Answer:
Egalitarian
Explanation:
Egalitarian is when both mother and father share authority.
Answer:
D
Explanation:
when a speckled nuclear antibody (ana) pattern is observed, what follow-up test for antibodies related to systemic lupus erythematosus (sle) is not beneficial?
The follow-up test related to systemic lupus erythematosus (SLE) which is not beneficial when a speckled antinuclear antibody (ANA) pattern is observed is: Testing for antibodies to U1RNP+ and dcSSc.
SLE is an autoimmune disease where the immune cells of the immune system attacks a person's self cells or tissues. This disease affects the joints, skin, kidneys, blood cells, brain, heart and lungs. The symptoms may be varying from person to person but the general symptoms are: fatigue, joint pain, rash and fever.
ANA is the antinuclear antibody. These are prevalent in the body when there is an indication of some autoimmune disease. These antibodies guide the immune cells to attack the self-cells.
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If a spindle fiber fails to attach to one sister chromatid during m phase and the cell continue through mitosis, what will be true about the genetic information in the daughter cells and why will this be true?.
The genetic information will not be identical because sister chromatids will not separate during anaphase.
The chromatids need to pass on a copy of their genetic information to one another. Sister chromatids are physically held together by a bond, in a protein complex consisting of four core subunits.
The two sister chromatids are joined at a slender region of the chromosome called the centromere. During cell division, spindle fibers attach to the centromere and pull these sister chromatids to opposite sides of the cell. After this process, the cell divides in two, resulting in daughter cells with identical DNA.
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which of the following are true statements? multiple select question. endocrine glands secrete hormones into the blood. ducts transport hormones from the endocrine glands to the blood. endocrine glands must be close to the target cells on which they exert effects. a target cell has receptors for specific hormones.
The correct option is Endocrine glands must be close to the target cells on which they exert effects.
What are endocrine glands?
Endocrine glands are also known as the ductless glands because of the fact that their secretions are released directly into the blood, not to any tubes or ducts. The endocrine system is a messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In vertebrates, the hypothalamus is the neural control center for all endocrine systems. Local chemical messengers, not generally considered part of the endocrine system, include autocrines, which act on the cells that secrete them, and paracrines, which act on a different cell type nearby. The endocrine glands belong to the body's control system. The hormones which they produce help to regulate the functions of cells and tissues throughout the body.
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Which was Venter’s contribution to science? discovered the existence of single-celled organisms invented the light microscope discovered the structure of DNA invented a synthetic cell
The Venter’s contribution to science is invented a synthetic cell. Option D.
They destroyed the DNA in those cells and replaced it with computer-designed, lab-synthesized DNA. It was the first organism with a fully synthetic genome in the history of life on Earth. Scientists at the University of Cambridge have created the first organism with fully synthetic DNA. This is E. coli, a radically redesigned soil and stomach bacterium.
Two of Ebright's contributions to the scientific community were building a device that showed that the spots on the wings of monarch butterflies produced the hormones necessary for butterfly growth. His other important contribution was the study of how cells read DNA. First discovered by Robert Hooke in 1665, this cell has a rich and interesting history that ultimately gave way to many of today's scientific advances.
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What process immediately
and typically follows
telophase and completes the
cell cycle?
A. cytokinesis
B. omegaphase
C. resting phase
When telophase is complete, cytokinesis (the division of cytoplasm) occurs at the metaphase checkpoint. The two daughter cells will then be moved into the G-0 or G1 phases.
What happens after telophase right away?Cytokinesis and Telophase
Telophase is followed by cytokinesis, or the division of the cytoplasm into two daughter cells. This procedure results in the production of daughter cells, which are genetically identical to the parent cells.
The telophase is what stage?During telophase, the chromosomes begin to decondense, the spindle disintegrates, and the nuclear membranes and nucleoli reorganize. Each of the two daughter cells produced by the mother cell's cytoplasm division has the same number and kind of chromosomes.
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When a cell prepares to divide, the chromosomes become more tightly compacted. This process decreases the apparent length of the chromosomes and increases their.
When a cell prepares to divide, the chromosomes become more tightly compacted. This process decreases the apparent length of the chromosomes and increases their diameter.
When a cell gets ready to divide, it must duplicate each chromosome. Sister chromatids are the name given to chromosomes that have two copies. The sister chromatids are joined together by cohesion-containing proteins and are similar to one another. At the centromere, a section of the DNA that is crucial for their separation during later stages of cell division, the bond between sister chromatids is strongest. The sister chromatids are still regarded as one chromosome as long as they are joined at the centromere. The moment they are separated during cell division, though, each chromosome is regarded as a separate one. The cell cycle is an organised sequence of cell growth and division events that results in the creation of two new daughter cells. In order to form two identical (clone) cells, cells go through a sequence of carefully controlled and regulated steps of growth, DNA replication, and division. Interphase and the mitotic phase are the two main stages of the cell cycle.
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What three tests must you pass in order to be eligible for your probationary license?.
Knowledge, vision, and road test are the three tests must you pass in order to be eligible for your probationary license.
What is license?A license is a formal permission or authorization to do, use, or possess something. Licenses are granted by one party to another party as part of the agreement between the parties.In the case of a government-issued license, the license is obtained upon application.License means permission to do something, especially a formal authorization from a government or other agency.The term often refers to proof of this authorization. Cards or Certificates. License agreements generate income called royalties. It does this by allowing another company to use material that is copyrighted or patented by one company. Examples of things that can be licensed include songs, sports team logos, intellectual property, software, and technology.To learn more about license from the given link :
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which is not a characteristic of proteins? a. can self-replicate b. can act as a hormone c. acts in cell membrane trafficking d. can bind foreign materials
The characteristics which do not belong to proteins is option A: can self-replicate.
DNA is the only molecule capable of self-replication. It is a nucleotide and not a protein. Characteristics other than option A are all those of proteins. Proteins act as a hormone, for eg Insulin. They can act in cell membranes trafficking. For example, SNARE proteins. They can also bind foreign materials, as antibodies.
The body uses the large, complex molecules known as proteins for a number of essential processes. They are crucial for the structure, operation, and control of the body's tissues and organs and carry out the majority of their job inside cells. Proteins are basically made up of amino acids, linked together to form long chains.
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which of the following is a medical complication normally associated with bulimia nervosa? question 9 options: shrinking of the heart osteoporosis kidney failure stress fractures lanugo
The following is a medical complication normally associated with bulimia nervosa shrinking of the heart osteoporosis kidney failure stress fractures lanugo.
Bulimia nervosa, also called bulimia, is an eating disorder. eating problems are mental fitness situations that may be probably life-threatening. when you have an ingesting disorder, you could have an obsession with meals and weight. This obsession can harm your bodily and emotional nicely-being.
Bulimia nervosa, frequently known as bulimia, is a sort of eating disorder. human beings with bulimia eat big amounts of food at one time, then attempt to dispose of the food or weight benefit by way of throwing up, taking laxatives, fasting (now not eating anything), or workout lots greater than ordinary.
Bulimia can permanently damage your stomach and intestines, causing other troubles like constipation, diarrhea, and irritable bowel syndrome. Hormonal troubles. Reproductive problems, together with abnormal durations, overlooked periods, and fertility problems are not unusual aspect outcomes if you have bulimia.
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If you change the difference in lag times of P and S waves from 00:01:50 to 00:04:00,
how does that change the distance of the earthquake to the seismic station?
The farther a seismic station is from the earthquake epicenter the greater will be the difference in time of arrival between the P and S wave.
As the P and S waves journey out from an earthquake the P waves get regularly farther ahead of the S waves. Therefore, the farther a seismic station is from the earthquake epicenter the more may be the distinction in time of arrival between the P and S wave.
The distinctive waves every travel at different speeds and therefore arrive at a seismic station at specific times. P waves tour the fastest, so they arrive first. S waves, which tour at approximately half the rate of P waves, arrive later.
P and S waves may be used to discover the epicenter of an earthquake. Since P waves are faster than S waves, the larger the appearance time distinction between the 2 waves is, the farther that location is from the epicenter.
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The highlighted structure is called ___ and it is proportionally _in human compared to the similar structure in the sheep brain.
The highlighted structure is called Olfactory bulb and it is proportionally smaller in human compared to the similar structure in the sheep brain.
The neuronal component of the vertebrate forebrain responsible for olfaction, or the sense of smell, is known as the olfactory bulb (Latin: bulbus olfactorius). It delivers olfactory data to the amygdala, orbitofrontal cortex (OFC), and hippocampus for further processing, where it plays a role in emotion, memory, and learning. The main olfactory bulb and the accessory olfactory bulb are two separate components that make up the bulb.
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derived from bone marrow: a.phagocytic b.polymorphonuclear c.thrombocytopenic d.granulocytopenic e.myeloid
Myeloid (option e) is the one that is derived from bone marrow.
Any tissue from or derived from bone marrow is referred to as myelogenous tissue. In these senses, the terms are typically used synonymously, as is the case with chronic myeloid/myelogenous leukaemia. Myeloid tissue is tissue of bone marrow, of bone marrow cell lineage, or resembling bone marrow.
Myeloid or myelogenous cells in hematopoiesis are blood cells that develop from the common myeloid progenitor, which is CMP or CFU-GEMM, or, in a more restricted definition that is also frequently used, particularly from the lineage of the myeloblast (the myelocytes, monocytes, and their daughter types). Thus, myeloid cells in the strictest sense of the word can be distinguished from lymphoid cells, or lymphocytes, which are derived from the same lymphoid progenitor cells that give rise to B cells and T cells, even though all blood cells, including lymphocytes, are typically born in the bone marrow in adults. Before they migrate to lymphatic organs like the spleen and thymus for antigen challenge training, those cells' differentiation is not finished. As a result, the term myeloid for leukocytes refers to the innate immune system, while lymphoid refers to the adaptive immune system. The term "erythroid" is frequently used to distinguish "erythrocyte-related" from both lymphoid and the sense of myeloid that refers to nonlymphocytic white blood cells.
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which of the following is incorrect about the nitrogen cycle? a. nitrate and nitrite reductases in denitrifying bacteria convert ammonia to nitrogen gas. b. diazotrophs provide the nitrogenase enzyme for nitrogen fixation. c. glutamate synthase assimilates fixed ammonia into glutamate. d. nitrifying bacteria produces nitrites and nitrates that can be absorbed by plants.
The incorrect statement about the nitrogen cycle is option A: nitrate and nitrite reductases in denitrifying bacteria convert ammonia to nitrogen gas.
The biological nitrogen fixation (BNF) is the process by which atmospheric nitrogen is changed into ammonia, and the nitrogen-fixing bacteria are known as diazotrophs. Fixation, ammonification, nitrification, and denitrification are significant nitrogen cycle processes. Ammonia is converted to nitrites and then to nitrates which are absorbed by plants with the help of their roots. Therefore, option A is incorrect.
Through bacteria that fix nitrogen from the atmosphere, nitrogen enters the living world. Soil bacteria convert this nitrogen and nitrogenous animal waste back into gaseous nitrogen, supplying the organic nitrogen required by terrestrial food webs.
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If a drug that specifically prevented the interaction of cytochrome c with other proteins was added to respiring mitochondria in a test tube, what effects would be observed?.
The cell won’t be able to completely oxidise glucose if an additive molecule that hinders the electron transport chain is applied. As a result, less oxygen is consumed.
When complex I is inhibited by antimycin A, electron transport from complexes or flavoproteins containing FADH2 to cytochromes is prevented.In this instance, the initial Complex Ill constituents are completely reduced and the subsequent constituents are oxidised. The final complex of eukaryotic oxidative phosphorylation in mitochondria is called cytochrome c oxidase. This process combines the reduction of electron carriers during metabolism with the reduction of molecular oxygen to water as well as the transfer of protons from the inner matrix of the mitochondria to the intermembrane gap.Adenosine triphosphate, an energy-carrying molecule, is present in the cells of all living things (ATP). ATP stores the chemical energy produced by the disintegration of food molecules before releasing it to drive other cellular processes.Cells often require chemical energy for three types of tasks: driving metabolic activities that wouldn’t occur naturally; transferring required materials across membranes; and doing mechanical work, like flexing muscles.
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Why is the the ability of glucose to affect transcription of the lac operon an advantage for the bacterial cell?.
Glucose is the preferred sugar for bacterial cells, Hence it is an advantage for the bacterial cell if glucose affects transcription.
The hypothesis for the Control of Gene expression in prokaryotes was given F Jacob and Monad. This hypothesis is known as the operon model. This theory was given based on a study of lac(lactose) operon in E.coli.
The operon consists of the following
(i) Operator gene
(ii) Promoter gene
(iii) Regulator gene
(iv) Structural gene
In the operon, Lactose acts as an inducer that allows RNA polymerase to perform transcription by binding with the repressor produced by the repressor gene. Glucose acts on lactose by diminishing its metabolism thereby suppressing the transcription of the lac operon. The end targets of glucose are positive regulator, complex receptor protein, and cyclic adenosine monophosphate(cAMP).Glucose eventually prevents the entry of inducer making the repressor free of inducer .
The levels of glucose increase subsequently which evidently is beneficial for the bacterial cell.
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The three-layer fibrous membranes surrounding the brain and spinal cord are collectively called the?.
The three-layer fibrous membranes surrounding brain and spinal cord are called : meninges.
What do you understand by meninges?Three layers of membranes that are known as meninges protect the brain and spinal cord. The delicate inner layer is called pia mater, middle layer is called the arachnoid which is a web-like structure filled with fluid that cushions the brain and the tough outer layer is called dura mater.
The meninges are three membranes that envelop the brain and spinal cord and separate them from walls of their skull and vertebral column.
Based on their location, meninges are called the cranial meninges which envelops the brain and spinal meninges which envelops the spinal cord.
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the production and conduction of action potentials in the heart produces a recordable tracing of the electrical activity of the heart called a(n) .
The production and conduction of action potentials in the heart produces a recordable tracing of the electrical activity of the heart called an ECG.
An electrocardiogram (ECG or EKG) measures the electrical signal coming from the heart to look for different cardiac diseases. Electrodes are positioned on the chest to capture the electrical impulses that drive heartbeat. On a connected computer monitor or printer, the signals are shown as waves.
The heart's many muscle contractions are coordinated by natural electrical impulses to maintain proper blood flow. These electrical impulses are captured by an ECG to provide information about the heart's rate, rhythm (steady or irregular), and the strength and timing of the electrical impulses as they pass through the various heart chambers.
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In animals, the inability to make the pigment melanin results in albinism, a recessive condition. Two unaffected parents, who have decided to have three children, have a first child that has albinism (genotype aa). What is the probability that the second or third children will also have albinism?.
In animals, the inability to make the pigment melanin results in albinism, a recessive condition.1/16
Melanin is a substance in your body that produces hair, eye and pores and skin pigmentation. The greater melanin you produce, the darker your eyes, hair and pores and skin will be. the amount of melanin to your body relies upon on some different factors, which includes genetics and what sort of sun publicity your ancestral populace had.
Melanin is a type of pigment that gives coloration to the hair, skin, and eyes in people and animals. similarly to supplying pigmentation for the cells, melanin also absorbs harmful UV rays and protects in opposition to cellular harm from UV mild publicity.
Melanin is a sort of pigment that offers shade to the hair, pores and skin, and eyes in humans and animals. similarly to providing pigmentation for the cells, melanin additionally absorbs dangerous UV rays and protects towards cellular damage from UV light exposure.
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