Merge & Center
To combine two or more separate cells, Excel includes a special button named "Merge & Center."
What is Merge and Center in Excel ?Excel Merge and Center - When using the merge cell function in database programming, multiple neighbouring cells can be combined into a single, larger cell.
By selecting "Merge Cells" and selecting "All Cells," the operation is complete. Centering the text signifies that it is possible to do so.When merging two or more cells, select the desired cells and simultaneously press the following keys: ALT + M + H.Learn more about Merge and Center here:
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Which component of the electrocardiogram represents the duration of ventricular contraction?
QRS complex refers to the combination of the Q, R, and S waves, and indicates ventricular depolarization and contraction (ventricular systole).
Ventricular rate can be calculated by determining the time interval between QRS complexes. The duration of the QRS complex is normally 0.06 to 0.10 seconds. This relatively short duration indicates that ventricular depolarization normally occurs very rapidly.
P QRS and T waves in electrocardiogram signifies the P wave in an ECG complex indicates atrial depolarization. The QRS is responsible for ventricular depolarization and the T wave is ventricular repolarization.
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What is one benefit if using SI units
ANSWER: the comparison of data all over the world can be done quickly
Infections with legionella pneumophila are usually transmitted via aerosols from contaminated air conditioning systems, showers, and humidifiers. group of answer choices true false
It is absolutely true that infections with legionella pneumophila are usually transmitted via aerosols from contaminated air conditioning systems, showers, and humidifiers.
What are infectious organisms?These are organisms which causes diseases to plants and animals.
Infectious organisms are also called pathogens or pathogenic organisms
Some groups of infectious organisms are as follows:
Bacteria: A single celled organisms with cell walls but no nucleus or organelles.Fungi: An eukaryotic organism typically having chitin cell walls but no chlorophyll or plastids. Fungi may be unicellular or multicellular.Virus: A submicroscopic, non-cellular structure consisting of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and often causes disease in the host organism.So therefore, it is absolutely true that infections with legionella pneumophila are usually transmitted via aerosols from contaminated air conditioning systems, showers, and humidifiers.
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A researcher has sequenced a gene that is present in two alleles. She has a mixture of both alleles and clones them into e. Coli using plasmids that contain the lacz gene. She is interested in one particular allele that is indicated in a disease. Using media containing x-gal, how can she select those colonies that have her allele of interest?.
She will need to sequence the plasmids of the white colonies before she can determine which allele it carries.
What are plasmids?A plasmid is a single-celled, circular, double-stranded DNA molecule that differs from chromosomal DNA.Plasmids are naturally prevalent in bacterial and eukaryotic cells. Plasmid genes usually provide bacteria with genetic benefits such as antibiotic resistance.RNA plasmids are uncommon, and the vast majority of them are unknown.Examples include plants, fungi, and even animals. Some strains of the yeast Saccharomyces cerevisiae contain linear RNA plasmids.Similar RNA plasmids have been identified in the mitochondria of different varieties of maize plants.Read more about plasmids here:
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The surgical removal of the membrane that lines the interior of a joint is known as a?
The surgical removal of the membrane that lines the interior of a joint is known as Joint Synovectomy.
The surgical removal of the synovial membrane, the tissue that lines the joint capsule, is known as a joint synovectomy.
The body's synovium surrounds the joints and creates synovial fluid to lubricate the joint and promote easy mobility.
The joint disease causes the synovium to inflame (synovitis) and overproduce synovial fluid, which contains an enzyme that can eat away at the cartilage on the joint surface, causing bone-on-bone on bone joint discomfort.
When you have a painful, disabling joint issue that does not improve with non-surgical treatments including rest, drugs (NSAIDs) or corticosteroid injections, and physical therapy, your surgeon will typically advise joint synovectomy.
Hence, the surgical removal of the membrane that lines the interior of a joint is known as Joint Synovectomy.
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__medium distinguishes different types of microorganisms based on an observable change in the colonies or in the medium.
A differential medium is a type of media that distinguishes different types of microorganisms based on an observable change in the media.
What is a differential medium?A differential medium is any medium for bacterial growth that contains selective agents used to discriminate between different microorganisms present in such medium.
A differential medium can be, for example, a blood agar medium that has bovine blood cells which is selective to Streptococcus bacteria.
In conclusion, a differential medium is a type of media that distinguishes different types of microorganisms based on an observable change in the media.
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X-gal is included in the growth medium on which cells transformed with bacterial plasmids are grown. The reason x-gal is included is to _______.
X-gal is included in the growth medium on which cells transformed with bacterial plasmids are grown. The reason x-gal is included is to identify bacteria that contain a recombinant plasmid.
What are cells?Cells are the basic building blocks of all living things. The human body is comprised of trillions of cells. They deliver structure for the body, take in nutrients from food, convert those nutrients into significance, and carry out technical functions.Cells are of two types: eukaryotic, which include a nucleus, and prokaryotic cells, which do not have a nucleus, but a nucleoid province is still present. Prokaryotes are single-celled organisms, while eukaryotes may be either single-celled or multicellular.They deliver structure for the body, take in nutrients from food, convert those nutrients into significance, and carry out technical functions. Cells also include the body's genetic material and can make duplicates of themselves. Cells have multiple parts, each with a separate function.To learn more about cells, refer to:
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Which electrical signal can allow for rapid long-distance communication within the nervous system?
Answer:
Which electrical signal can allow for rapid long-distance communication within the nervous system?
nerve action potential
What is the reason cyanobacteria and bacteria do not reproduce by mitosis?
a. they are not organisms.
b. they do not contain cells.
c. they only contain one chromosome.
d. they have more than one chromosome.
Cyanobacteria and bacteria do not reproduce by mitosis because they only contain one chromosome.
Why is mitosis not possible in cyanobacteria and bacteria?Mitosis involves the equational division of vegetative cells.
During mitosis, sister chromatids separate and migrate to the opposite poles with the same cytoplasm. The cytoplasm eventually divides by cytokinesis to produce two independent daughter cells that are not only genetically similar to each other, but also to their parent.
Cyanobacteria and bacteria have just a single chromosome in their genome. Thus, it is impossible for this chromosome to separate, migrate to the opposite poles. and produce 2 daughter cells.
Both organisms are living and reproduce by other means such as binary fission, conjugation, etc.
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Blood typing is based on the presence of proteins known as __________ on the outer surface of the red blood cell plasma membrane
Blood typing is based on the presence of proteins known as antigens/antibodies on the outer surface of the red blood cell plasma membrane.
You can determine what type of blood you have by blood typing. Blood typing ensures that you can safely give blood and receive blood transfusions. Additionally, it checks to see if the Rh factor, which is found on the surface of red blood cells, is present.The four primary blood types are:
Type A Type B Type ABType OBlood group A – has A antigens on the red blood cells with anti-B antibodies in the plasma
Blood group B – has B antigens with anti-A antibodies in the plasma
Blood group O – has no antigens, but both anti-A and anti-B antibodies in the plasma
Blood group AB – has both A and B antigens, but no antibodies
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In a _____ mutation, the change occurs during the dna replication that precedes meiosis.
In a germline mutation, the change occurs during the dna replication that precedes meiosis.
A gene change in a body's reproductive cell (egg or sperm) that becomes integrated into the DNA of every cell in the body of the offspring. Germline mutations are passed on from parents to offspring. Germline mutations are the cause of many diseases like, cystic fibrosis and cancer (eg, breast and ovarian cancer, melanoma). Cystic fibrosis is a hereditary genetic disorder that results in a thick, sticky buildup of mucus in the lungs, pancreas and other organs.
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The wings of a bat and an insect are __________ structures, meaning that they evolved from very different original structures-they are not descended from a common ancestor with wings.
The wings of bats and insects are analogous structures.
what is the analogous structure
analogous structure indicates structurally they are different but functionally they are the same.
In the case of bats and insects, the wing's structure originated from different structural origins, but they perform common functions like flying. means they are structurally different but functionally the same. that is called an analogous organ.
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The non-oxidative stage of the pentose phosphate pathway produces substances that are intermediates of?
The non-oxidative stage of the pentose phosphate pathway produces substances that are intermediates of glycolysis.
What is glycolysis?Glycolysis is the method of dividing glucose to produce energy. It generates two pyruvate particles, ATP, NADH, and water.
The process occurs in a cell's cytoplasm and therefore does not entail oxygen. It can be found in aerobic and anaerobic organisms.
Since it is utilized by nearly all organisms on Earth, it was most likely one of the first metabolic pathways to evolve.
The non-oxidative phase of the pentose phosphate pathway generates glycolysis adducts.
Thus, the answer is glycolysis.
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The rounded superior portion of the uterus that lies between the uterine tubes is called the?
The rounded top portion of the uterus that is situated in-between the uterine tubes is known as the fundus.
A brief explanation of the uterus:
The uterus is the most important hormonally sensitive organ of the female reproductive system in humans and most other animals. The upper region of the uterus, which is above where the fallopian tubes are, is referred to as the "fundus." The region between the corpus and the cervix is known as the isthmus, and it is narrow and situated near the intersection of the internal os of the cervix and the uterine artery.
What does uterine fundus actually mean?
a hollow sphere's area that is opposite or farthest from the organ's opening. Depending on the organ, the fundus might be located at either the top or bottom of a site. The fundus of a uterus, for instance, refers to the upper part of the uterus that lies opposite the cervix.
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The pronunciation of the anatomic structure that conducts impulses to and from the brain and initiates reflex action to sensory information is:_________
The pronunciation of the anatomic structure that conducts impulses to and from the brain and initiates reflex action to sensory information is the spinal cord.
The spinal cord is a lengthy band of tissue that resembles a tube. It ties your brain and lowers it back together. Your spinal cord relays nerve messages back and forth from your brain to your body. You can experience feelings and move your body thanks to these nerve transmissions. The protection of the spinal cord, nerve roots, and many internal organs are the spine's three primary tasks. To keep your body upright, give it balance and structural support. Enable fluid movement. The spinal cord is surrounded by cerebrospinal fluid (CSF), which is additionally protected by three layers known as the meninges (dura, arachnoid, and pia mater). The spinal column, which consists of 33 bones known as vertebrae, houses the spinal cord.Learn more about the spinal cord here brainly.com/question/16014308
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According to the bell-magendie law, ______________________ exit from the ventral horns of the spinal cord, and sensory information enters the __________________________
According to the bell magendie law, " the ventral spinal roots transmit motor impulses and the posterior roots sensory impulses,which establish a major landmark in the history of neuroscience."
The nature and physiology of the phenomena were described independently by sir charles bell , he is British anatomical scientist and french physiologist francois magendie after that Johannes peter muller confirmed it.
The ventral roots preganglionic sympathetic fibers of the atomic nervous system exit the spiral cord with ventral roots T1 through L2. It consist predominately of efferent somatic motor fibers. There are also 31 pairs of spinal nerves and roots. Eight pairs of cervical nerves exit the cervical cord at each vertebral level.
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Enteric bacteria most useful in the routine monitoring of microbial pollution are gram-negative rods called?
E-coli bacteria which most useful in the routine monitoring of microbial pollution are gram negative rods and this is common indicator organism of water contamination.
It is important to identify enteric bacteria which is one of the major causes of diarrhea disease is bacteria and that detection of pathogenic bacteria is a global key to the prevention and identification of food borne diseases and enteric infections like diarrhea.
The extent of water contamination can be measured using these indicator organisms. This fecal coli-form group has been used as the most common indicator of general wastewater contamination because they are abundant and easy to identify.
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If two organisms were locked in an antagonistic coevolutionary relationship, which one would win?
If two organisms were locked in an antagonistic co-evolutionary relationship the one who's generation time is shorter. It is the relation between males and females where sexual morphology changes over the time to counteract the opposite sex traits to achieve the maximum reproductive success.
Co-evolution does not necessarily require the presence of antagonism. The characteristics within group of unrelated species may converge to allow individual species to exploit valuable resources or increase protection.
Co-evolution is a reciprocal evolutionary change in set of interesting populations over the time resulting from the interaction between those population.There are some examples of co-evolution such as herbivores and plants and the relation between herbivores species and the plants that they consume.
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The average cardiac output at rest is: ____.
a. 1000 ml/min
b. 2500 ml/min
c. 5000 ml/min
d. 10,000 ml/min
The correct option is (C) 5000 ml/min.
The average cardiac output at rest is 5000 ml/min.
What is cardiac output?The cardiac output is the volume of blood the heart pumps out per minute.
The cardiac output is measured by the product of Heart rate (HR) and stroke volume (SV).
It is measured in liters /min.
The number of times the heart beats per min is termed heart rate.
The volume of blood pumped out from the left ventricle of the heart at each systolic cardiac contraction is termed heart rate.
The normal cardiac output is 5L/min (72 beats per min, 70ml stroke volume).
This may vary from male to female by only 10% – 20%.
Esophageal doppler, pulse contour analysis, pulmonary artery catheter etc. can be utilized to calculate cardiac output.
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The inability of lateral inhibition to explain White's illusion suggests that some contrast effects are based in the retina. the cortex. the optic nerve. the cornea.
The inability of lateral inhibition to explain White's illusion suggests that some contrast effects are based in the cortex.
What is white's illusion?The perceptual phenomenon known as "White's illusion" occurs when two equiluminant gray patches are superimposed on a square-wave grating in black and white and appear to be of different luminosities.A test patch placed on the grating's dark stripe appears lighter than one placed on the stripe with light color.White's illusion is an optical illusion highlighting the fact that the same target luminance can elicit various perceptions of brightness in differentWhite's illusion is a brightness illusion when specific stripes of a black and white grating is partially replaced by a gray rectangle.According to Novick, the Munker-White illusion is the cause of this distorted impression. Fundamentally, Novick claimed that the illusion is effective because "our acuity for shape is better than our acuity for color, which means that we see the shapes with more detail and the colors with less detail."Learn more about White's illusion here:
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short term effect if a wild beast migration occurred in savanna grassland
The short-term effect if a migration of wild animals took place in savanna grasslands is higher mortality of adults of migrating species than of resident species.
Why do animals migrate?Several species of birds, mammals, insects and fish migrate from one place to another in search of favorable reproductive and environmental conditions.
Why do animals migrate in Africa?Almost two million animals move across the Serengeti and Mara plains in search of food and water. Facing multiple dangers such as land predators and crocodiles the wildebeest complete an 800 km round trip during the migration.
With this information, we can conclude that The Great Wildebeest Migration is the largest animal migration in the world. Every year, more than 2 million animals (wildebeest, zebra, and gazelle) migrate in a clockwise direction across the ecosystems of the Serengeti (Tanzania) and the Masai Mara (Kenya).
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Suppose you cup your hands to hold some water. This action would most likely involve?
Answer:
it involves the adduction of fingers
Coniferous forests evolved due to earth’s continents assuming their modern configuration. please select the best answer from the choices provided t f
True, Coniferous forests evolved due to earth’s continents assuming their modern configuration.
What are Conifers?
Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta, also known as Coniferophyta or Coniferae.The great majority are trees, though a few are shrubs. Examples include cedars, Douglas-firs, cypresses, firs, junipers, kauri, larches, pines, hemlocks, redwoods, spruces, and yews.The evolution of the Coniferous forests:
The earliest conifers appear in the fossil record during the Late Carboniferous (Pennsylvanian), over 300 million years ago.The most primitive conifers belong to the paraphyletic assemblage of "Wallachian conifers", which were small trees, and probably originated in dry upland habitats. The range of conifers expanded during the Early Permian (Cisuralian) to lowlands due to increasing aridity. Wallachian conifers were gradually replaced by more advanced voltzialean or "transition" conifers. Conifers were largely unaffected by the Permian–Triassic extinction event and were dominant land plants of the Mesozoic era. Modern groups of conifers emerged from the Voltziales during the Late Permian through Jurassic. Conifers underwent a major decline in the Late Cretaceous corresponding to the explosive adaptive radiation of flowering plants.To learn more about Conifers: https://brainly.com/question/831270
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If a cell is placed in an isotonic medium, there will be no net movement of water. True or false?.
It is true.
What is isotonic medium?A solution that has the same amount of salt as cells and blood. In hospitalized patients, isotonic solutions are routinely utilized as intravenous fluids. When a cell is immersed in an isotonic solution, there is no net movement of water into or out of the cell, and the volume of the cell remains constant. Isotonic solutions include 0.9% normal saline and lactated ringers. A hypertonic solution is one that has a greater solute concentration than the solution across the semi-permeable barrier.The isotonic solution allows the cells to move water and nutrients in and out of the cells. This is necessary for the blood cells to perform their function of supplying oxygen and other nutrients to other parts of the body.To learn more about isotonic solutions from the given link
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In the early embryo what signals must occur together in the splanchnic mesoderm for cardiogenic mesoderm to be specified?
In the early embryo DKK, Crescent, Cerberus, FGF8, and BMP signals must occur together in the splanchnic mesoderm for cardiogenic mesoderm to be specified.
Through BMP and FGF signalling pathways, the underlying anterior endoderm specifies the cardiogenic mesoderm layer. The two cell groups are instructed by these signals to differentiate separately as they move anteriorly toward the gut tube.
The infolding of a surface layer known as the splanchnic (or ventral) mesoderm brings the two endocardial tubes together, where they merge. Recent research reveals that endogenous Wnt inhibitors such the Sfrp and DKK proteins are crucial in controlling the differentiation of cardiomyocytes.
Therefore, In the early embryo DKK, Crescent, Cerberus, FGF8, and BMP signals must occur together in the splanchnic mesoderm for cardiogenic mesoderm to be specified.
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When stomata are open and a plant is transpiring normally, how does water move from the soil into the root xylem? select all that apply.
When stomata are open and a plant is transpiring normally, movement of water from the soil into the root xylem is brought about by:-
Pressure generated by roots which pumps water upwards in the plant. Without any additional work done on the fluid by the plant.Evaporation from the leaves in the form of transpiration.In 1895, the Irish plant physiologists H. H. Dixon and J. Joly suggested that water is pulled up the plant by tension or negative pressure from above.
As water is continually being lost from the leaves through transpiration, Dixon and Joly concluded that the loss of water in the leaves exerts a pull on the water in the xylem ducts and draws more water into the leaf.
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the graph shows how the rate of photosynthesis of a plant varies with light intensity. interpret the graph and justify statement.
The graph shows that the rate of photosynthesis increases with increased light intensity, other conditions being constant.
Photosynthesis and light intensityFrom the graph, the rate of photosynthesis increases with an increase in light intensity.
At low light intensity, the photosynthesis rate increases with an increase in the concentration of carbon dioxide and level off at some point.
With medium light intensity, the rate of photosynthesis is about twice that of low light intensity under the same concentration of carbon dioxide. It also gradually levels off when the concentration of carbon dioxide reached a particular point.
The same trend applies to high light intensity. The rate of photosynthesis increased accordingly, much more than low and medium-intensity light.
Both light and carbon dioxide concentration can limit the rate of photosynthesis. When both factors are abundant, photosynthesis can be limited by other factors such as water, nutrient, etc.
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Which of these species would be most in danger of becoming extinct if one of their food sources became unavailable?
Answer:
Due to their being no options (possibly just an incomplete question), I will just give an answer. So for panda bears, if their food sources became unavailable, they would most likely be in danger of becoming extinct.
But one thing is, pandas do have the ability to survive with bamboo.
But since bamboo comprises 99 percent of their food, although they also consume other plants and even meat, I highly doubt they could (whose make the remaining 1 percent ).
Because the gene T1R1 mutated some 4 million years ago, causing them to lose the ability to taste umami, giant pandas have come to rely significantly on bamboo (which is what makes meat tasty for omnivores and carnivores). The availability of bamboo trunks at the time coincided with their purported food source becoming increasingly limited, thus pandas became used to them and began to rely significantly on them, as they do now.
Thank you,
Eddie
n a jungle habitat, there lives a species of snake, called Species A. The carrying capacity of the jungle allows 5000 of Species A. After their habitat was destroyed, a second species of snakes, Species B, arrives in the jungle. After a few years, the population of Species A has dropped to 0, and the population of Species B has become 5000. What can you determine from this data?
A. They occupy separate niches, but are still competing for some resources.
B. They occupy completely different niches and are not competing.
C. You cannot determine anything from this data.
D. They occupy the same niche and are competing fully for all resources.
Reset Selection
Based on the carrying capacity of the habitat and the changes that occurred in number of the two snake species, correct option is They occupy the same niche and are competing fully for all resources; option D
What is carrying capacity of a habitat?The carrying capacity of a habitat is the maximum number of species the available resources in that habitat can sustain.
The data given of the species of snakes, Species A and Species B, indicate that they are both present in the habitat after a change occurs in the habitat.
Since the population of Species A became zero after Species B was introduced in the habitat, they occupy the same niche and are competing fully for all resources.
In conclusion, the competition between the species of snakes is responsible for the decline in Species A.
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In the electron transport chain, protons are pumped from where to where in the mitochondria of eukaryotic cells?
In the electron transport chain, protons are pumped from the mitochondrial matrix to the intermembrane space, and oxygen is reduced to form water.
The energy derived from the transfer of electrons through the electron transport chain is used to pump protons, as a result, an electrochemical gradient is generated, consisting of a proton gradient and a membrane potential.
The energy created by the formation of this gradient is then harnessed to form ATP as the protons travel down their gradient into the matrix through the ATP synthase channel.
The electron transport and ATP production occur simultaneously and are tightly coupled.
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