The bacteria demonstrates the eight characteristics of life as follows:
reproduction - bacteria reproduce by binary fissionheredity - the bacteria tranfers its genetic informatio to its daughter cellscellular organization - the cell of bacteria is aorgaized to perform several functionsgrowth and development - the bacteria grows and dividesresponse to stimuli - the bacteria responds to cahnges in its environment by for example growing in favorable conditions adaptation through evolution - the bacteria adapts to its envrionment by for example modifying ts DNAhomeostasis - the bacteria mantains a foatly constant internal environmentmetabolism - the bacteria metabolizes nutrients in its enviromjet.What are the eight characteristics of life?The characteristics of life are those characteristics possessed by organisms that make them live.
The eight characteristics of life are as follows:
reproductionhereditycellular organizationgrowth and developmentresponse to stimuliadaptation through evolutionhomeostasis, and metabolism.Organisms that possess these characteristics are able to continue living as their environment changes.
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Calculate the relative formula
mass of HNO3
63 units.
Relative formulae mass is the average mass of one molecule of an element to 1/12 of mass of a carbon 12 atom.
HNO3 is the formula for Nitric Acid. It comprises of one atom of H, one of n, 3 atoms of oxygen.
molar mass of one H hydrogen atom = 1
molar mass of one N nitrogen atom =14
molar mass of one O oxygen atom =16
molar mass of one molecule of HNO3 = 1+ 14+ 3(16) = 63
Hence the formulae mass of HNO3 is 63 units.
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molecular mass of HNO3
= mass of H atom + mass of nitrogen atom + 3 x mass of oxygen atom
=1+14+48=63u
What is known as HNO3?
Nitric acid (HNO3) is an industrial chemical used to make fertilisers and explosives. It is a colourless, fuming, and extremely corrosive liquid with freezing and boiling points of 42 and 83 degrees Celsius, respectively.
Image representing what "hno3" means
The uses of HNO3 are powerful oxidising agent is HNO3. It can be produced by ammonia being catalytically oxidised. It is a typical laboratory reagent and a crucial chemical in the production of fertilisers and explosives. Nitric acid has a PH of roughly 3.01.
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expressions equivalent to a3b3
Simplify using exponent rule with same base an . am=an+m:a3 - 3 b3 + 1Calculate the sum or differen.
Which of the following is not part of the cell theory?
A. All cells come from other cells.
B. All cells are eukaryotic.
C. All living things are made of one or more cells.
D. Cells are the basic unit of living things.
Answer:
B. All cells of eukaryotic.
Explanation:
Eukaryotic means: An organism with more than 1 cell.
A cell is cannot have multiple cells within it, and if you read the cell theory it doesn´t mention B.
where is resin infiltration most successfully used? group of answer choices in pits and fissures in early cavitation on interproximal surfaces on smooth surface white spots
Answer:
D) On smooth surface white spots
Explanation:
your welcome!
Where does the air go when the lungs blow up?
hunting was an important cultural behavior marking a significant step for a human ancestor. which ancestral species does the fossil record indicate was the earliest habitual hunter?
The ancestral species that fossil record indicate was the earliest habitual hunter is Homo erectus.
When did Homo erectus appear in the fossil record?Fossils from Southeast Asia show that H. erectus populations is one that has survived until close to the end of the Pleistocene, after making its first appearance in the fossil record from places in the region of Lake Turkana Basin, Kenya, circa about two million years ago.
Homo erectus, which is said to have a comparatively extended legs as well as shorter arms, is said to be the oldest species that is ever known to have a body that resembles a person.
Note that It is one that is often standing straight. Scientists have determined that H. pylori that lived in the Turkana Boy skeleton, a remarkably complete skeleton. Therefore, habitual hunters are know to be evidence of Homo erectus.
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For the following questions, create a Punnett square. Be sure to show the genotypes, phenotypes, and percentages for each cross.
Put the genotypes you are crossing in the light gray columns, and the expected crosses in the boxes.
In guinea pigs, black fur in dominant over white fur. Cross two heterozygous black guinea pigs. (4 pts)
Genotype: Phenotype
From the Punnett square, the genotype of the offspring produced is:
1 h0moxygous Black,BB; 2 two heterozygous black = Bb, Bb; and 1 h0moxygous white, bb; guinea pigsThe phenotype of the offspring will be:
Three Black fur guinea pigs and one White fur guinea pig.What are phenotypes and genotypes?Genotypes are the sum total of all the genes that code for a particular trait present in an organism.
The genotype is the sum of all the alleles for a gene in an organism.
Phenotype refers to the physical features of an organism as a result of the genotype of that organism.
Considering the cross between two heterozygous black guinea pigs:
black fur is dominant over white fur in guinea pigs
Let the allele for black fur be B and the allele for white fur be b
The genotype of the heterozygous black guinea pigs = Bb
The cross between the parents is as follows:
Bb * Bb
Using a Punnett square, the genotype of the offspring produced will be:
BB, Bb, Bb, bb
The phenotype of the offspring will be in the ratio 3 Blacks to 1 White guinea pig
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When a tadpole changes into a Frog what Characteristic of life is that?
Answer:
Metamporhisis!
b) The diagram below shows part of the inner surface of this organ.
i) Name the structures labelled X on the diagram.
Explanation:
where is that diagram labeled x
what accounts for the different final locations of the different size dna fragments? that is, why do different sized dna fragments end at different locations on the electrophoresis instrument?
The indicate alkanes in terms of e/z stereoisomer configuration is classified.
What is stereoisomer classification?
Stereoisomer are the molecule that have the same molecular formula and sequence of bonded atoms.
It have chemical bond but they have different spital arrangments. Stereoisomer have two types
Configurational and conformational.
Sol-
stereoisomer of alkanes A is Z higher priority in each carbon oriented.
Thus the stereochemisty of alkanes C can be classified as Z.
And the stereochemisty of alkanes D is classified as non of either as per the question.
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The various placements or locations are explained by the weight and size of the DNA fragment.
What is DNA?Deoxyribonucleic acid (DNA) is a polymer made of two polynucleotide chains that coil around one another to form a double helix and which contains the genetic material necessary for the growth, development, and reproduction of every known type of organism as well as numerous viruses. The two types of nucleic acids are DNA and RNA. One of the four major types of macromolecules that are necessary for all known forms of life is nucleic acids, along with proteins, lipids, and complex carbohydrates (polysaccharides).
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which type of cell junction would you expect to find anchoring the cells of the epidermis to each other. this type of junction gives the skin its ability to endure stretching and other mechanical stresses without tearing.
Desosomes are the cell junctions that we can expect to find anchoring the cells of the epidermis to each other.
In the field of anatomy, desosomes can be described as a type of cell-cell junction that is formed in between the epidermis of cells. These types of junctions are a strong place of adhesion between two cells.
Apart from linking cell to cell, they are also involved in the formation of junctions with the filament cytoskeleton and hence in this way provide mechanical stresses. The cells can stretch wothout tearing as a result of the formation of junctions by the desosomes.
Desosomes are most commonly present in the epithelium so that abrasions can be reduced.
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Cual es la funcion principal de la meiosis?
Answer:
La meiosis es el proceso en el que las células se dividen por la mitad para reproducirse y crear células hermanas. Cada una de las células hermanas obtiene una parte de los cromosomas de la célula madre para reproducirse en el futuro.
During which stage of aerobic cellular respiration is the most ATP synthesized?
Answer:
ets(electron transport system)
What part in the cell cycle results in identical daughter cells
Suppose we set up a flask that included water, bromothymol blue, CO2, and a plant. in the light, we would predict it would change from green to blue. what if we added a goldfish to the flask? predict what color the water would be after 24 hours and explain your reasoning.
After 24 hrs, the color of the water will be yellow due to the production of carbon dioxide by the fish which dissolves in the water making it acidic and turning the bromothymol blue indicator yellow.
What are indicators?Indicators are substances that change color as the ph of the medium in which they are present changes.
Indicators are usually organic dyes.
Indicators are important tools in chemistry and chemical industries as they help to monitor changes in reaction media.
They are also important in monitoring biochemical reactions occurring in living organisms.
Bromothymol blue is an indicator that is used to detect the acidity or basicity of solutions.
The color changes in the bromothymol blue are as follows:
in acids - bromothymol blue turns yellowIn bases - bromothymol blue turns blue.In neutral solutions: bromothymol blue is GreenPlants remove carbon dioxide and produce oxygen during photosynthesis. Animals such as fish on the hand produce carbon dioxide which is an acidic oxide. Therefore, the water will become acidic after 24 hrs that the goldfish was added and the will turn yellow.
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A line of mutated yeast cells, called wee mutants, has no mitochondria. Their name comes from the fact that these cells are very small compared to other yeast cells. Which energy-harvesting processes can wee mutants perform?.
Answer:
glycolysis and fermentation
Explanation:
Hope this helps.
the shapes of some proteins are dependent on the electrical potential in the surrounding area. predict what might happen to a such a protein if it was near one of the gated protein channels as it opened.
They will change shape in response to binding of their target molecule.
Channel opening is triggered by a specific stimulus such as the voltage or pH difference across the cell membrane. These channel are selective in the type of ions that can pass through its pore. When ion channels are in their open state, they conduct electrical current by allowing specific types of ions to pass through them.
Carrier proteins are proteins that bind to molecules or ions on one side of the membrane and release them on the other. Channel proteins create holes/pores that penetrate the membrane, enabling target molecules or ions to flow through via diffusion without interfering with one another.
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sort the parts of a nucleic acid according to whether each occurs exclusively in dna, exclusively in rna, or in both types of nucleic acid. view available hint(s)
DNA : thymine, guanine
RNA : uracil, ribose
Both : cytosine, phosphate, adenine, guanine
RNA :All living cells contain ribonucleic acid (abbreviated RNA), a nucleic acid with properties similar to those of DNA. However, RNA is typically single-stranded, unlike DNA. Instead of the deoxyribose present in DNA, the backbone of an RNA molecule is made up of alternating phosphate groups and the sugar ribose.
Types of RNAMessenger RNA (mRNA) A polypeptide results from the translation of mRNA.Transfer RNA (tRNA) has an anticodon on one end and can bind an amino acid to the other.Ribosomal RNA (rRNA) The amino acids that the mRNA codes for can bond more easily thanks to ribosomal RNA (rRNA).Micron RNA (miRNA)To know more about phosphate :
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Design a Model
Part A Think of another common object around your house or school that you could use to model a cell. Describe the object. Based on its characteristics, does the object best model an animal cell, a plant cell, or a bacteria cell?
Part B Describe two advantages and two limitations of the model you selected.
The cell is the smallest unit of an organism. Recall that the cell is composed is a self sustaining unit. This implies that the cell has many components that is able to provide for the needs of the cell. The cell is thus depicted as quite a self sufficient unit in itself.
Having said this, the object that is around my school that could be used to model a cell is the motor vehicle. The motor vehicle looks more like the plant cell because of the presence of the body and the windscreen that provides support for the car and protects it from external pressure. The energy for the car to function is provided by the engine of the car were combustion occurs. This is similar to what happens in the mitochondria of the plant cell.
This model can be used to show the various parts of the cell and it also shows the cell as a compete unit. However it falls short in the sense that a car is a nonliving thing and is incapable of cooperating with other units.
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A typical criticism of highly specialized jobs is that the employees may become bored. Which concern should you warn ancestry’s managers about in the case of its staff of genealogists?.
Ancestry's manager should be warned about the perceived monotony of its staff of genealogists.
Perceived monotony is a major workplace issue because it reduces productivity, raises the likelihood of accidents, and saps motivation.
Work monotony is when you do the same physical or mental tasks over and over again until they become tedious, tiresome, and less interesting or boring. A person may perform a monotonous job without even thinking about how they are doing it because it follows the same pattern every day.
Being creative is one of the best ways to break free of monotony. Even though you're doing the same thing, changing the way you do it can bring in new ideas. Also by increasing the autonomy of the employees, their jobs can be made more fulfilling as they will have more control over the outcome of their jobs responsibilities
Criticism refers to an expression of dissatisfaction. When criticism is constructive, it can make an individual aware of holes in their understanding and provide clear paths for progress. According to research, providing feedback and constructive criticism during the learning process has a significant impact.
A typical criticism of highly specialized jobs is that the employees may become bored. which concern should you warn ancestry managers about in the case of its staff of genealogists
a. job satisfaction
b. lack of self-efficacy in job completion
c. perceived monotony
d. emotional attachment to families being researched
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an______ is all the organisum of the same ____ that live in the same area at the same time.
A population is a group of organisms of the same species that live in the same area at the same time.
What is population?A population in an ecosystem is defined as the group of organisms that makes up a particular species which are found living in a particular area and at a particular time.
Some scientists known as the population ecologists study the following features of the population such as:
Size: This deals with the number if organisms found in a particular area.Density: This deals with the number of individuals divided by the size of the area.Structure of the population.Learn more about population here:
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In the excretory system , a waste substance called ______ is filtered out of the blood.
kidneys - renal - urea - urine - water
Answer:
urea
ignore this line
the are the regions of the auditory pathway of the human brain in which information from both ears is first integrated. group of answer choices
The superior olivary nuclei are the regions of the auditory pathway of the human brain in which information from both ears is first integrated.
The superior olivary nuclei can be described as a region that helps in multiple ways for hearing of sound. One of the main functions of the superior olivary nuclei is to locate from where a certain sound is being produced in the ear.
The superior olivary nuclei are also involved in the integration of sound information from both ears. Sound lateralization is an important function the superior olivary nuclei.
The superior olivary nuclei are present not only in humans but also in other mammals, reptiles and amphibians.
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How does a cell in a cow use food to move and function?
Answer: Matter movement
Explanation: Large organic molecules or polymers, carbohydrates, fats/lipids, proteins enter into the cow and move through.
Help please will give brainliest to whoever answers this.
Answer:
(1) 0 N. (2) 4 N down. (3) 5 N left. (4) 4 N right. (5) 0 N.
ExplanationExplanationExplanation:
i need the answer to this question so i can pass my class with a 70
Answer:
The cell membrane has become completely permeable.
Explanation:
When substances go in and out of cell the cell is permeable.
There are three ways the movement in and out of cell happens:
Osmosis: particles move from high water potential to low water potential. Diffusion: particles move from high concentration area to low concentration area. Active transport: particles move from low concentration area to high concentration area.The cell situation could be a hypotonic and hypertonic situation when too much water has moved in the cell causing swollen cells.
why is it difficult to study these four systems individually?
It is difficult to study the atmosphere, biosphere, hydrosphere, lithosphere and biosphere differently because they are all intricately interconnected.
What is the earth?The earth is composed of different systems. Let us note that there is always a cycling of matter in the earth. This is as a result of the movement of particles such as water and the exchange of gases. There are four distinct spheres that make up the earth and they are;
Atmosphere: This is the thin layer of gases that lie above the earth. This is the layer that holds all the gases that we can see, the exchange of gases do occur in the atmosphere.
Biosphere: This is the aspect that comprises all the living things that could be found on the earth. They are important in the flow of energy in nature via feeding relation ships.
Hydrosphere: This has to do with the water that is used by living things. Water is found in the non living environment but is very important to the survival of the biosphere.
Lithosphere: This is the solid part of the earth. It is the outermost crust on which plants grow.
It is difficult to study all these systems individually because they are quite interconnected.
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Missing parts;
in creating a model of our living planet, scientists need to consider four major earth systems. briefly describe these four systems, and then explain why it is difficult to study these systems individually.
what is the purpose of salt in making ice cream in simple words?
Answer:
Salt makes ice colder, so it freezes the cream quicker which allows for the icecream to be created faster.
Explanation:
Salt lowers ice's freezing point, therefore, making it colder. Because of this it also makes water freezing harder-hence why we put it on the roads in the winter.
The amount of cellular respiration in an ecosystem depends on the number of organisms in the ecosystem. True or false
True, the amount of cellular respiration in an ecosystem depends on the number of organisms in the ecosystem.
Cellular Respiration- The process by which sugar is broken down by the presence of oxygen inside the mitochondria in organisms (plants and animals) to release energy in the shape of ATP is known as cellular respiration. Water and carbon dioxide are waste products of this process.
ATP- A vital "energy molecule" present in all living things is adenosine 5′-triphosphate, also known as ATP and typically written without the 5′-. In particular, it's a coenzyme that transfers energy to cells via releasing the phosphate groups when it interacts with enzymes like ATP triphosphatase.
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how does the cytoplasm of an egg cell adapted to its function