Your customer has informed you of a project change they want to implement. Since this change will have a profound impact on the project, approval may need to come from the project manager.
A project manager is a person that organizes, plans, directs, and executes projects while considering the restraints such as schedules and budgets. They are in charge of people that are involved in the project, both employees and customers. These responsibilities make them accountable for accomplishing the project objectives on behalf of the client.
In the case of the question above, the customer (client) wants to implement a project change. Since that change will have a considerable impact on the project, the project manager must first approve it before it's implemented.
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briefly describe how one neuron transmits an impulse to another neuron using the following terms correctly to describe the process of neural transmission: axon, action potential, terminal branches of axon, neurotransmitter, synapse, receptor site, dendrite.
Dendrites or the cell body of the neuron receive signals. A neuron's terminal branches are stimulated by an action potential to release neurotransmitters into the synapses, where they bind with receptors on the dendrites of the following neuron.
Why does impulse mean?An impulse is a sudden drive or desire; examples include the want to order pizza or an electrical impulse. You are acting on an impulse if you respond to a sudden notion or feeling. The term "impulse" is used in classical mechanics to describe the integral of a force, F, throughout the time period over which it acts, t. Since force is a vector quantity, so is impulse. When an object receives an impulse, its linear momentum also shifts along an identical vector in the opposite direction.
What are 3 examples of impulse?• The most famous and frequently mentioned example is a cricket batsman hitting the ball.
• Bicycle kickstarting.
• Similar to the first, while playing Carroms, the striker briefly strikes the coin before it is sent flying into the pocket.
• When you strike a gong with a stick, it resounds loudly.
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A DNA segment has base order AGC TTA TCG. Which copy exhibits a frameshift mutation through deletion?(1 point)
-AGC TCG
-AGC TTA TAG
-TTA TCG
-AGC TTT CG
The copy that exhibits a frameshift mutation through deletion is d) AGC TTT CG.
In the field of science, a frameshift mutation can be described as a type of DNA error in which the nucleotides are not added in multiples of three such that the entire reading frame of the DNA segment is changed.
A frameshift mutation occurs either due to the insertion or deletion of a nucleotide that causes an error in the reading frame.
In the question above, as the DNA segment is AGC TTA TCG, a frameshift mutation will mean an insertion or deletion that will hinder the multiple of three configurations. In option AGC TTT CG, The reading frame is changed as a nucleotide Adenine has been deleted due to which the next triple sequence is also changed. Hence, it is a frameshift mutation as a result of deletion.
The question will correctly be written as:
A DNA segment has base order AGC TTA TCG. Which copy exhibits a frameshift mutation through deletion?(1 point)
a) AGC TCG
b) AGC TTA TAG
c) TTA TCG
d) AGC TTT CG
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which of the following is/are caused by pseudomonas aeruginosa? to be marked correct, you'll need to select all true statements, as there may be more than one correct answer.
Pseudomonas aeruginos can result in bloodstream infections, pneumonia, ear infections, wound infections, and urinary tract infections. those who already have illnesses including cancer, HIV, diabetes, or cystic fibrosis.
Pseudomonas aeruginosa: What causes it?Phyton aeruginosa. serious nosocomial (hospital acquired) infections are caused by it. in those with impaired immune systems. causes a wide variety of infections. Some isolates are resistant to all antibiotics or all but one, and they are frequently resistant to numerous drugs.
What causes pseudomonas? What is pseudomonas?A widespread form of bacteria called pseudomonas is typically found in soil and water. In people with healthy lungs, it hardly ever results in issues. Due to its resistance to widely used antibiotics like penicillin, doxycycline, and erythromycin, pseudomonas can be challenging to treat.
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Consider this animal cell. Which organelles are labeled g? centrioles lysosomes ribosomes mitochondria.
Animal cells are eukaryotic cells that do not have a cell wall. In labeled animal cell diagrams, G is mitochondria. So variant d is correct.
The image with the missing annotations is attached below.
What is mitochondria? Mitochondria are the major organelles of animal and plant cells, have membranes and are responsible for producing the energy needed to power cellular functions.
Biochemical reactions and processes take place in mitochondria. Mitochondria produce energy in the form of ATP and are tiny finger-like structures in the cytoplasm of cells.
Therefore, the marked organelle is option d. Mitochondria.
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Answer: D)mitochondria
Explanation: i just completed this and got 100%....Hope this helps and ty to the person above!
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Think about the many recent advances in science you’ve learned about, particularly those that have occurred in the last 25 years or so. Explain how the scientific research that led to these discoveries has characterized medical care in the 21st century and, in turn, how this has changed society and the environment.
Basic research led to the discovery of biological phenomena that enable the development of new technologies in medicine such as the CRISPR Cas9 genome editing system.
What is the CRISPR Cas9 genome editing system?The CRISPR Cas9 genome editing system is a tool used in genetic engineering that holds promise in medicine. This tool (CRISPR Cas9 genome editing system) can be used to edit genes in diseases and thus correct genetic mutation in the target organs and or tissue.
The CRISPR Cas9 genome editing system is based on the discovery of the defense system of bacteria which is a key point in basic research (bacteria include in their genome fragments of viral genomes to fight against them).
Therefore, with this data, we can see that the CRISPR Cas9 genome editing system and other technologies are based on discoveries in basic research.
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Differential gene expression is the result of different cells containing different ______.
Differential gene expression is the result of different cells containing different sets of genes. This is a key factor in understanding how the body works.
Each cell in the body contains the same basic genetic code, but this code can be expressed differently in different cells.The expression of different genes in different cells is determined by their specific environment. Cells in different parts of the body are exposed to different signals from the environment, such as hormones and nutrients. These signals can cause certain genes to be expressed, while other genes remain dormant. This is why different cells in the body have different sets of genes expressed.
Differential gene expression is important for many reasons. One reason is that it helps to explain how different tissues in the body are specialized for different functions. For example, the cells in a muscle have different genes expressed than the cells in a liver. This allows the cells in the muscle to respond to signals from the environment differently than the cells in the liver.
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There are many type of microcope available for cientific reearch. The choice of microcope varie depending on a number of factor, including cot and pecimen ize. For thi aignment, you will analyze the level of organization in an organim (plant or animal) of interet to you. Then, you will explain how each organization level might be cientifically tudied
The level of organization that is of interest to me is in the living organism of animal and it's level of organization can be studied by the use of an electron microscope.
What is a microscope?A microscope is a device that can be used to magnify a focused object of interest through the various lens that are located in strategic places in the device.
There are various types of microscope which include the following:
Simple microscope.Compound microscope.Electron microscope.Stereomicroscope.Scanning probe microscope.The level of organization in animal include the following:
cells, tissues,organs, organ systems, and the whole organism.Because cells are involved, the type of microscope that can be used to effectively study that levels of organization in animal is the electron microscope which has the ability to create a magnified image of the structures of the animal cells.
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evolution is: group of answer choices constantly occurring at the same rate in all organisms. a process that occurs as a result of differences in reproductive fitness. currently occurring only in scientific laboratories. a process that occurred only in the past.
A process that occurs as a result of differences in reproductive fitness.
Physical fitness is used to quantify reproductive success. Polygenic traits, or features influenced by various alleles of a single gene, can be affected by natural selection.
What is Reproductive fitness ?
Reproductive fitness is a measure of an individual's capacity to pass on their genes to future generations. Fitness traits, also known as life-history traits, are intricate phenotypes that are the direct focus of Darwinian selection. They include measures of fertility and mortality.
The term "reproductive fitness" refers to factors including litter size, first-mating age, litter frequency, and overall lifetime litter frequency.
The capacity of an individual to endure and procreate in its surroundings is known as reproductive fitness. Every population has evolved to be as reproductively fit as possible in a particular habitat. Additionally known as Darwinian fitness.
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lymphatic vessels (a) serve as sites for immune surveillance, (b) filter lymph, (c) transport leaked plasma proteins and fluids to the cardiovascular system, (d) are represented by vessels that resemble arteries, capillaries, and veins.
although social groups vary tremendously (e.g., families, sororities, sports teams, religious congregations), they are all alike in that .members share the same space at the same timeactions are guided by normsthey tend to be heterogeneousthey convey competitive advantage
Even while social groupings (such as family, sorority, sports teams, and religious congregations) differ greatly from one another, all of their behaviors are governed by standards.
Deindividuation & social loafing both refer to the spreading of responsibility, which is one element they have in common. The definition of a social family by social psychologists as a family of interdependent people implies that group members have an impact on one another. Social facilitation & social loafing are two instances of how the company of others affects our actions. Propinquity become used to via simple exposure. If something is similar, it will also appear similar. Reciprocal Liking: We often become used to the individuals we like and begin to know. In addition to assisting us in defining who we are, groups serve as a source for social standards that establish what is appropriate.
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For an OFF-center ganglion cell, which stimulus on the cell's receptive field would cause the highest rate of action potential firing? (In the figure, black fill indicates darkness, and white fill indicates light in the receptive field.)
Select one:
1. a
2. b
3. c
4. d
5. Both a and d would cause the same level of activation
The stimulus on the cell's receptive field would cause the highest rate of action potential firing is mentioned in Option 1.
What is an off center ganglion?Each ganglion cell's receptive field is defined by how it reacts to stimulation of a little circular region of the retina. Kuffler made a distinction between "on"-center and "off"-center ganglion cells based on these reactions. An electrical surge is produced when a patch of light is turned on in the middle of a ganglion cell's receptive field (also known as a "on response") . The spontaneous rate of firing reduces when a patch of light is put on in the centre of an off-center ganglion cell receptive field, and the cell responds by firing a burst of action potentials (referred to as a "off reaction") when the light is turned off. Approximately 80% of ganglion cells are on- and off-center.
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these two age-structure pyramids, or population profiles, compare the populations of canada and niger, a country in west africa. can you interpret these graphs to answer the following questions?
Due to their shared commitment to providing long-term care for the elderly, Canada and the Niger, a nation in west Africa, are compared in these two age-structure pyramids or population profiles.
What elements could cause population pyramids in cities within the same nation to differ?Birth and/or death rates can be impacted by changes in the economy (such as a recession or job growth), politics (such as a new law on family planning or a new tax break for dependents), conflicts (such as wars), public health trends, and natural occurrences (such as prolonged droughts or earthquakes).
What stage or phases is the population size reasonably stable?The post-industrial stage, which follows the industrial period, is characterized by a stable human population with low birth rates and low mortality rates as a result of the economic and social transformations of the earlier stages.
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The __________ system works in tandem with other body systems and maintains their health by delivering nutrients and removing wastes. It is central to the function of all other body systems.cardiorespiratory
The cardiopulmonary system works in concert with other body systems to maintain health by providing nutrients and removing waste products. It is central to the functioning of all other body systems.
What is cardiorespiratoty system and its significance?The cardiopulmonary system consists of the heart and blood vessels, which work in tandem with the lungs and respiratory system called the airways. These body systems carry oxygen to the body's muscles and organs and remove waste products, including carbon dioxide. During exercise, muscles require more oxygen to contract and produce more carbon dioxide as a waste product.Is the cardiovascular system the same as the cardiopulmonary system?It works in conjunction with the cardiovascular system (heart and blood vessels) and the respiratory system (lungs). Collectively these are called one system, the cardiopulmonary system.
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activation of b lymphocytes produces (antibody-mediated /cell-mediated/innate) immune responses.
The activation of B-lymphocytes produces antibody-mediated immune response in the body. Different classes of antibodies are produced from these cells.
What is Antibody-mediated immune response?
An antibody-mediated immune response involves the activation of B-cells and the secretion of antibodies when comes in contact with a pathogen. When these cells are exposed to the chemicals released by the activated helper T-cells, a sensitized B-cell divides, and produces daughter cells which differentiate into memory B-cells and plasma cells.
Antibodies can bind to the antigenic targets and form an antigen-antibody complex. They can also agglutinate the invading cells, forming clusters of antibodies and toxins which are relatively easy for the phagocytes to find and engulf.
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Match each event with the appropriate stage of transcription.The transcription bubble created by RNA polymerase moves along the DNA template.Once bound to the promoter, RNA polymerase begins to unwind the DNA The RNA-DNA hybrid within the transcription bubble dissociates. Reaching a terminator sequence causes formation of phosphodiester bonds to stop. The RNA polymerase holoenzyme is formed.RNA polymerase releases the DNA template. The RNA polymerase holoenzyme binds to the promoter. New nucleotides are added to the 3' end of the growing RNA transcript. RNA polymerase leaves the promoter. A process called clearance or escape.
Transcription is a process by which RNA is synthesized from DNA. It is carried out by the enzyme RNA polymerase.
The process is carried out in three steps – Initiation, Elongation and termination.
What steps are followed in Transcription?A holoenzyme is formed when one or more sigma factor proteins join to the RNA polymerase, allowing it to bind to promoter DNA.
The links between the RNA polymerase holoenzyme and the promoter are broken when the first bond is created in the new RNA molecule.
The transcription bubble formed by RNA polymerase separates the two strands of the DNA helix. This is accomplished by disrupting the hydrogen bonds that exist between complementary DNA nucleotide.
RNA polymerase joins complementary nucleotide of one DNA strand at the 3' OH with corresponding RNA nucleotide.
The RNA sugar-phosphate backbone produces an RNA strand with the help of RNA polymerase.
The untwisted RNA-DNA helix's hydrogen bonds dissolve, releasing the freshly produced RNA strand.
The transcription bubble created by RNA polymerase moves along the DNA template. – ElongationOnce bound to the promoter, begins to unwind the DNA – Initiation.The RNA-DNA hybrid within the transcription bubble dissociates – Termination.Reaching a terminator sequence causes formation of phosphodiester bonds to stop. – TerminationThe RNA polymerase holoenzyme is formed. – InitiationRNA polymerase releases the DNA template – Termination.RNA polymerase holoenzyme binds to the promoter – Initiation.New nucleotide are added to the 3’ end of the growing RNA transcript – Elongation.RNA polymerase leaves the promoter. – Elongation.A process called clearance or escape – Elongation.To know more about transcription refer to:
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What type of mutation has occurred in the following example?
A.) frameshift mutation (due to deletion)
B.) nonsense mutation
C.) silent mutation
Use the screenshot to answer.
Which letter choice is correct? A, B, or C?
The mutation that is shown in the given diagram is the silent mutation that is depicted at Option C. In the silent mutation, the single base is changed, but there is no impact on the original gene product.
What is a silent mutation?
Silent mutations are a type of mutation in which, even though a single base is altered, there is no impact on the polypeptide chain, as shown in the diagram. The mutated gene in the diagram has a single base change at 6th position, replacing C with G. After the change, the polypeptide is the same as the previous one, and this is due to the wobbling between the third codon base and the first anticodon base.
Hence, this is a silent mutation as the polypeptide is not changed.
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Pepsin is an enzyme found in the human stomach that breaks down protein. Pepsin will not break down starch.
Which statement best explains this observation?
The statement which best explains why Pepsin will not break down starch is that enzymes only work for specific substrates.
What is an Enzyme?
This is referred to as a biological catalyst which helps to speed the rate of chemical reaction in the body by lowering the activation energy needed to start it up. it is also proteinous and can be denatured by heat and other substance such as chemicals.
They are also substrate specific which means they can't act on any type of substance. For example enzyme such as amylase acts on only starch while pepsin acts on only protein.
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the diameter of a capillary is about the same size as the width of a(n) multiple choice question. erythrocyte macrophage protein leukocyte
Erythrocytes are biconcave discs with a maximum thickness of 2.5 m and an approximate diameter of 7 m. contrary to practically all other cells.
What exactly are leukocytes and macrophages?Macrophages, also known as scavenger cells, clear the body of dead and damaged cells. Leukocytes, which are the full and colourless white blood cells, are these cells. These are bigger than RBCs and are present in blood, although they are not as numerous.
What do erythrocytes and leukocytes do?The red blood cells (erythrocytes). These deliver oxygen from the lungs to the body's tissues. the white blood cells (leukocytes). These boost immunity and assist in the battle against illnesses.
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was the ph value for the urine and the saliva the same or different? why do you think this was the case?
Despite changing during the day, the pH of urine is typically more acidic than the pH of the saliva.
Why pH value of the urine and saliva is different?Saliva and urine are two very distinct body fluids. Impurities, acids, or other toxic compounds that the kidney has removed from the blood are excreted in the urine. Saliva is a blood filtrate released in the mouth with the goal of improving digestion. Since extra acids are eliminated in the urine, saliva often has a higher pH than urine.
Urine pH in the morning should be between 6.5 and 7.5.
The pH of saliva can be altered by bacteria, food particles that have been left in the mouth, and other elements. The pH of saliva in the morning should be between 7 and 7.5.
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would you expect a population in which most members survive for a long time to produce few or many offspring?
I believe that populations with high survival rates have a large number of offspring for the reasons that they have long-lived genes. they mate with each other.
What is a gene?Gene, a unit of genetic information that occupies a fixed location (locus) on a chromosome. Genes achieve their effects by controlling protein synthesis.
In eukaryotes (animals, plants, fungi, etc.) genes are contained in the cell nucleus. Mitochondria (animals) and chloroplasts (plants) also contain a small subset of genes that differ from those found in the nucleus. In prokaryotes (organisms without a distinct nucleus, such as bacteria), genes are contained in a single chromosome that floats freely within the cytoplasm of the cell. Many bacteria also contain plasmids, extrachromosomal genetic elements that contain a small number of genes.
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A cientit want to know whether a particular cell i round or rectangular how hould a cientit oberve the overall hape of the cell
A microscope is an instrument used to magnify small objects. Some microscopes can even be used to look at an object at the cellular level, allowing scientists to see the shape of a cell, its nucleus, mitochondria, and other organelles.
The discovery of the cell would not have been possible if it were not for advances in the microscope. Interested in learning more about the microscopic world, scientist Robert Hooke improved on the existing compound microscope design in 1665. The main factors that determine cell shape are the proteins of the cytoskeleton, the cell membrane in animal cells, and the cell wall. in plant cells. Other factors include Ψw, solute concentration, etc. The cytoskeleton organizes other components of the cell, maintains the cell's shape, and is responsible for locomotion of the cell itself and for the movement of the various organelles within it.
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for the following question. match the valve of the heart with its anatomical location for auscultation.
Aortic: Right sternal boundary, second intercostal gap
Pulmonic: Left sternal boundary, second intercostal gap
Tricuspid: Lower left sternal boundary, fourth-fifth intercostal space
Mitral: Fifth intercostal space left midclavicular line
What is Auscultation?
Auscultation, which derives from the Latin verb auscultate, meaning "to listen," involves listening to bodily sounds internally while typically using a stethoscope. Auscultation is a procedure used to examine the alimentary canal as well as the respiratory and circulatory systems (heart and breath sounds).
A fine stethoscope, good listening abilities, and a lot of clinical expertise are necessary for auscultation. The heart, lungs, and gastrointestinal system are the three main organs and organ systems that healthcare professionals (doctors, nurses, etc.) listen to during auscultation.
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are mutations in an oncogene loss-of-function or gain-of-function and how many copes of the gene are usually mutated?
This is called a gain-of-function mutation because the cell take on a new purpose. It is one of the defining features of cancerous tumors.
Because the cell acquires a new function, this mutation is known as a gain-of-function mutation. It's one of the characteristics that makes a tumour malignant. These variations are referred to as "dominant" variations. This means that for a proto-oncogene to develop into an oncogene and cause cancer, just one copy of the gene needs to be altered. A mutation is a change or alteration brought on by intrinsic or extrinsic events, such as a replication error or exposure to UV light, in DNA, a gene, or a chromosome.
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As light travels through the eye, it passes through several structures or chambers before reaching the retina. Which list below gives those structures in the correct order?
cornea, pupil, anterior chamber, lens, posterior segment
The following structures make up the order in which light moves through the eye: Cornea, pupil, lens, anterior chamber, posterior segment.
What is the order in which the eye's structures transmit light?The pupil is where light travels from the cornea. The amount of light that enters your eye is controlled by the iris, or colored part of your eye. Then it hits the lens from there. The clear structure in the eye that directs light rays toward the retina is this.
From first to last, how does light travel through the eye's structures?1) Breaks through the cornea, bending the light.
2) The iris's pupil allows light to flow freely.
3) Vitreous humor carries light.
4) The retina processes light rays into impulses.
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Full Question = As light travels through the eye, it passes through several structures or chambers before reaching the retina. Which list below gives those structures in the correct order?
a) cornea, pupil, anterior chamber, lens, posterior segment
b) Cornea, pupil, lens, anterior chamber, posterior segment
c) Cornea, anterior chamber, pupil, lens, posterior segment
d) Cornea, lens, pupil, anterior chamber, posterior segment
exercise, moderate alcohol, and estrogen can call increase high density lipoproteins (hdls).
Regular endurance exercise has been demonstrated to raise HDL cholesterol levels, which may help explain why physically active people have a lower risk of coronary heart disease than sedentary people.
What are the consequences of having high blood levels of HDLs?High-density lipoprotein, or HDL, cholesterol collects cholesterol in the blood and transports it back to the liver, earning it the moniker "good" cholesterol. After then, the liver removes it from the body.
Which vitamin increases HDL?An essential B vitamin called niacin has the potential to reduce triglycerides and increase levels of high-density lipoproteins (HDL), or "good" cholesterol. Niacin has been used for a very long time to decrease triglycerides and raise HDL cholesterol.
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occasional parasitism of atypical hosts by obligate myiasis-producing flies is called (fill in the blank) myiasis.
Occasional parasitism of atypical hosts by obligate myiasis-producing flies is called incidental myiasis.
What is myiasis?A fly larva (maggot) infection in human tissue is known as myiasis. Tropical and subtropical regions are where this happens. Myiasis is uncommonly contracted in the United States; instead, most cases are brought on by travel to tropical regions of Africa and South America.
What is parasitism?In a close association between species known as parasitism, one organism—the parasite—lives on or inside another—the host—doing harm to it while being physically adapted to this mode of existence. Parasites are described as "predators that consume prey in units of fewer than one" by the entomologist E. O. Wilson.
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all of the following are true of red blood cells except: they live for about 120 days their primary function is to transport o2 to tissues old red blood cells are removed by macrophages in the spleen and liver they are a spherical shape they contain hemoglobin
All of the following are true of red blood cells except that they are a spherical shape
What is an erythrocyte?The most typical produced element is the erythrocyte, also called a red blood cell (or RBC): There are millions of erythrocytes in a single drop of blood but only a few thousand leukocytes. Males and females have roughly 5.4 million and 4.8 million erythrocytes per microliter (L) of blood, respectively they are bi concave disc shaped. In actuality, erythrocytes are thought to account for around 25% of all body cells. They are quite tiny cells, as one might expect, with a mean diameter of only 7-8 micrometers (m) (Figure 1). The main jobs of erythrocytes are to transport the breathed oxygen from the lungs to the body's tissues and to collect up some of the waste carbon dioxide (approximately 24 percent).
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What base is exclusive to DNA?.
Answer: Thymine
Explanation:
52) which of these potential results of applying a metabolic poison to the rhizoids of polytrichum should interfere the least with the ability to draw valid conclusions from this experiment? a) if, upon dying, the rhizoids leak nitrogenous compounds into the soil before final nitrogen content is measured. b) if, upon dying, decomposition of the rhizoids introduces nitrogenous compounds to the soil before final nitrogen content is measured. c) if the metabolic poison is hydrogen cyanide (hcn) or sodium azide (nan3), and much of the poison remains in the soil. d) if the metabolic poison acts against the mitochondria of the rhizoid cells. e) if the metabolic poison absorbs nitrogen and strongly adheres to soil particles, acting as a sort of glue. topic: concept 29.2
if the metabolic poison acts against the mitochondria of the rhizoid cells.
Option d is correct.
Which of the following structures prevents phagocytization of bacteria?D. Cellular membrane; R. E. The capsule protects bacteria from being falsely sensitized by immune system cells of the host in any of these situations.
In what ways does the bacterial capsule inhibit phagocytosis?A bacterial cell can be shielded by capsules from white blood cells so they won't eat it and kill it (phagocytosis). Although the precise method for evading phagocytosis is unknown, it may happen because capsules increase the slickness of the bacterial surface components, which aids in the bacterium's ability to avoid being swallowed by phagocytic cells.
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new technology, including dna testing, has led to the exoneration of several people who served many years in prison before being cleared. this led to the abolition of the death penalty in several states because'
The fact that new technology has led to the exoneration of several people who served many years in prison before being cleared led to the abolition of the death penalty in several states because the revelations cast doubt on the current criminal justice system.
Exoneration is the action of officially absolving someone from blame and reversing their conviction for a crime. Generally, it occurs when new evidence comes forward to demonstrate the person's innocence.
The development of technology has led to the exoneration of many people so far. The one that has a relatively big role is DNA testing because it can determine identities with almost 100% accuracy.
The fact that many people have been falsely convicted after DNA testing technology proves their innocence makes several states abolish the death penalty.
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