Answers
Answer:
HOPE THAT WILL HELP YOU
Answer:
Explanation:
Carbon is a chemical element. It is a non - metal and is solid at room temperature. It exists in many forms like graphite, diamond and graphene. It's symbol is C. It's atomic number is 6. It makes up 0.025 % of the earth's crust. It has 6 protons, neutrons and electrons. Its valency is 4.
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Related Questions
How would you describe a bottle that contains 0.95 moles of hydrogen peroxide per liter of solution?
Answers
Answer:
A bottle that contains 0.95 moles of hydrogen peroxide per liter of solution contains 32.31 g of hydrogen peroxide per liter of the solution.
Explanation:
First, recall that:
Molarity of a substance = no of moles of the substance/volume of the solution in liters.
In this case, the number of moles of hydrogen peroxide is 0.95 mole while the volume of the solution is one liter. Thus;
Molarity of hydrogen peroxide = 0.95/1 = 0.95 M.
Also recall that:
no of moles of a substance = mass of the substance/molar mass of the substance.
Thus;
mass of substance = no of moles x molar mass.
In this case, the no of moles of hydrogen peroxide is 0.95 while the molar mass is 34.01 g/mol. Hence;
mass of hydrogen peroxide = 0.95 x 34.01 = 32.31 g
Hence, a bottle that contains 0.95 moles of hydrogen peroxide per liter of solution contains 32.31 g of hydrogen peroxide per liter of the solution. The solution also has a hydrogen peroxide molarity of 0.95 M.
The amount of hydrogen peroxide in the solution can be expressed in grams per Litre as 32.31 gram of hydrogen peroxide per Litre of the solution.
The amount of mole of hydrogen peroxide in the solution = 0.95 moles
The Molar mass of hydrogen peroxide = 34.0147 g/mol
The mass of hydrogen in the solution can be calculated thus :
Number of moles of hydrogen peroxide × Molar mass of hydrogen peroxide Mass of hydrogen = 0.95 mol × 34.0147 g/mol = 32.314 gTherefore, the bottle contains 31.314 g of hydrogen peroxide per Litre of the solution.
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How is the transmission across the synapse controlled?
Answers
Answer:
Synapse are the transmitted by neurotransmitters from the axon terminal of the cell.
Explanation:
Synapse are the biological junctions neurons can be sent to the cell such as the muscle or glands and allow to form the nervous system.
Synapse they allow that nervous system to the control and connect body of the system they crucial biological computations.Synapse cleared the form one of the several potential and specific transporters on the terminate of neurotransmitter.Synapse was the introduced by the Sir Charles Scott in the 1897, synapse are the electrical and immunological.Synapse are the mostly refer to the chemical synapse, they are functional connections neurons and the cells.Synapse are generally to small by using the light microscope as the points to cell and their elements.Synapse pass that information to the direct cell and they structure and function, synapse region may be found the cell body.Synapse are the described as symmetric or asymmetric to the electron microscope,rounded to the cell and density.Synapse that contains neurotransmitters in small bound as a number with other supporting structures.Do you think that this type of genetic engineering should be pursued? Explain your answer
Answers
Answer:
yes
Explanation:
I think as people, we have to look at everything twice and consider the bad and the good to reqlly get the best result.
Based on the prefix the word biohazard means...?
Answers
Bio means of life or a living thing
Hazard means danger or risk
What is the independent variable?
Answers
Answer:
It is a variable that stands alone and isn't changed by the other variables.
Explanation:
For example; someone's age might be an independent variable. Other factors such as ( what the eat, where they go) aren't going to change a person's age.
What is the significance of the earliest work on cells
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Answer:
A) The discovery by hooke of cells laid the groundwork for modern understanding.The correct answer as to the significance of the earliest work on cells is that the discovery by Hooke of cells laid the groundwork for modern understanding.
Hooke was actually the first person to coin the word 'cell' after discovering compartment-like structure looking through the cork sectioning under a magnifying glass. Hooke's discovery paved way for further research by other scientists in the area of cell and this led to the formation of the modern cell theory.More on the cell theory can be found here: https://brainly.com/question/5597701
Which of the following ECG components represents a lack of electrical activity? A. T-wave B. Q-T interval C. P-R interval D. Isoelectric line
Answers
Answer:
The correct answer is : D. isoelectric line.
Explanation:
ECG interpretation requires the analysis of various waves and curves and their characteristic. There are different type of waves and curves that can be found and analyzed in ECG such as P- wave, T wave, PR interval and others.
All these curves and interval shows electrical activities generating by the repolarization and depolarization of atria and ventricles of heart.
Base line or isoelectric line shows a flat line which have no electric activity as there is no negative or positive charge to create deflection.
Thus, the correct answer is : D. isoelectric line.
Name the different divisions of animals according to their habitats
Answers
Explanation:
Terrestial Animals - Animals which can only live on Land.Examples:- BEAR- CAT- DOG- DEER
Aquatic Animals - Animals which can only live on Water.
Examples:- FISH- OCTOPUSES- LOBSTERS- SEAHORSE
Amphibians - Animals which can live both on land and on water.
Examples:- FROGS- TOADS- SALAMANDERS
Arboreal Animals - Animals which live primarily on trees.Examples:- SQUIRREL- RODENTS- CHAMELEON
How useful is the cell type in classifying organisms?
Answers
Answer:
without cell type u cannot classifiy organisms
The cell type is extremely useful in the classification of organisms. This is because the cell type distinguishes the structural morphology and functional property of an organism with respect to its phenotypical features.
What is Cell type?Cell type may be defined as a group of cells that possess a common transcriptomic signature and low variation in other phenotypes. Cell types are utilized in order to identify cells on the basis of their morphological or phenotypical features.
It is only the cell types that enable people to understand and estimate how a complex organism evolved from a simpler organism. It also allows us to understand and study on the basis of their features, similarities, dissimilarities, etc. among diverse organisms.
Cell types also provide us with a brief evolutionary history of the organisms and the other organisms that are closely associated with them.
Therefore, the cell type is extremely useful in the classification of organisms.
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What is the function of the structure identified by the red arrow? A) Mobility B) Protection C) Reproduction D) DNA Transfer
Answers
Answer:
a. mobility
Explanation:
Something that transmits some, but not all, of the light that hits is called:
A. Opaque
B. Translucent
C. Transparent
Answers
B. Translucent
Scientists began more intensive study of real plants and animals during the Renaissance
O True False
Answers
Answer:
true
Explanation:
A controlled experiment is one in which
number 4
Answers
Answer: there are at least two groups, one of which does not receive the experimental treatment
Explanation:
A controlled experiment is where the variables are controlled do the scientist has a comparison of the control group to the experimental one
Any1 up for a meet #E-mates
Answers
Many properties of living things involve the transfer and transformation of
energy and matter. For example, plant chloroplasts convert energy from sunlight
to which of the following forms of energy or matter? (From Topic: 1.1 The study
of life reveals unifying themes)
the energy of
motion
kinetic energy
carbon dioxide
and water
oxygen
chemical
energy
Answers
Answer:
Oxygen and chemical energy
Explanation:
In the thylakoids of the chloroplast6CO2 + 6H2O (In the presence of light) → C6H12O6 (Sugars) + 6O2.which carbohydrate can be used by the body as an immediate source of protein?
Answers
Answer:
Glucose is the bodies primary form of fuel
Explanation:
The substances that are present after any chemical reaction are called
Answers
Answer:
Products
Explanation:
Answer:
Products
Explanation:
Calculate the pI of Histidine (pKa’s = 2.3, 6.04, 9.33)
6.11
7.68
3.08
2.35
4.07
Answers
Answer:
The correct answer is 7.68
Explanation:
Isoelectric point (pI) is the pH at which the amino acid has net a charge of zero. We have to choose the two values of pKa at which the neutral form of the amino acid is predominant. Histidine (Hys) is a basic amino acid. From pKa's data, we deduce:
pKa1 = 2.3 (corresponds to α- carboxyl group)
pKa2= 6.04 (corresponds to R group)
pKa3= 9.33 (corresponds to α- amino group)
Since it is a basic amino acid, the neutral form will exist between the higher pKa's values. Thus, the pI will be in a pH value between 6.3 and 9.33.
So, we have to calculate the average of pKa2 and pKa3:
pI= (pKa2+pKa3)/2= (6.04+9.33)/2= 7.68
Therefore, the pI of Hys is 7.68.
The human genome contains approximately 10 6 copies of an Alu sequence, one of the best-studied classes of short interspersed elements (SINEs), per haploid genome. Individual Alu units share a 282-nucleotide consensus sequence followed by a 3'-adenine-rich tail region (Schmid, 1998). Given that there are approximately 3×109 base pairs per human haploid genome, about how many base pairs are spaced between each Alu sequence?
Answers
Answer:
3000
Explanation:
- Human haploid genome >>> 3 x 10⁹ base pairs >>> 3,000,000,000 base pairs
- Human haploid genome >>> 10⁶ copies >>> 1,000,000 Alu Transposable Elements
- Space between each Alu Transposable Element (TE) >>>
3,000,000,000 base pairs / 1,000,000 Alu elements = 3,000 base pairs
Alu elements are highly repetitive DNA sequences that account for approximately 20% of the human genome. These sequences (Alu) are considered to be non-autonomous Transposable Elements (TEs) capable of transposing within the genome via an RNA intermediary.
Plants make their own food. The chemical reaction for this process is shown
in the equation below.
CO2 + H2O + energy → C6H12O6 + O2
What are the products in this chemical reaction?
O A. CH1206 + energy
O B. H2O + energy
O c. C&H 206 + O2
O D. CO2 + H20
Answers
The products in the chemical reaction for photosynthesis are [tex]C_{6} H_{12}O_{6}[/tex](glucose) and [tex]O_2[/tex] (oxygen). The correct answer is C.
During photosynthesis, plants use carbon dioxide ([tex]CO_2[/tex]), water ([tex]H_2O[/tex]), and energy from sunlight to produce glucose ([tex]C_{6}H_{12}O_{6[/tex]) and oxygen ([tex]O_2[/tex]).
The equation represents the process of photosynthesis, where carbon dioxide and water are combined in the presence of sunlight to create glucose and release oxygen as a byproduct.
The glucose produced serves as the main energy source for plants, which can be used for growth, maintenance, and other metabolic processes.
Oxygen is released into the atmosphere as a waste product of photosynthesis and is essential for the survival of many organisms, including humans, as it is required for cellular respiration.
Therefore, the correct products of the chemical reaction in the equation are [tex]C_{6} H_{12}O_{6}[/tex] (glucose) and [tex]O_2[/tex] (oxygen). The correct answer is C.
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Which of the following nations below could be "Identified" as a nation that has not implemented the metric system? (Click all that apply) Group of answer choices Russia China Liberia United States Myanmar
Answers
Answer:
Myanmar, the US, and Libera don't use the metric system :)
Explanation:
Streptomycin is an effective antibiotic because _____________.
a) it inhibits protein synthesis in prokaryotes
b) it does not affect eukaryotes
c) both
d) neither
Answers
Answer: Option C.
Both
Explanation:
Streptomycin is an antibiotics produced from bacteria and fungi and it is used to treat bacteria infections (prokaryotic ) such as tuberculosis, mycobacterium infection e.t.c.
It's inhibit protein function in prokaryotes because it's affects the function and performance of 70 s RIBOSOMES which is an organelles for protein production.
Streptomycin does not affect eukaryotes because it does not bind to the RIBOSOMES of eukaryotic cells which in turn does not affect protein production.
PLEASE HELP I WILL GIVE YOU BRAINLIEST ANSWER The Phlogiston theory in the 17th century attempted to explain burning. The theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. After objects burned, the objects were dephlogistonated and were then in their true form. The Phlogiston theory was accepted until the 18th century, when Lavosier proved that combustion requires a gas that has mass. Phlogiston is evidence that A) scientific knowledge is exact. B) scientific knowledge can evolve. C) scientific knowledge is 100% proven. D) scientific knowledge does not evolve.
Answers
Answer:
B) scientific knowledge can evolve
Explanation:
I took the USA Test prep
Answer:
B
Explanation:
I got it right!
Differentiate the differences of livestock and poultry animals?
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what is the average time for the toy to move 1.0m. on dirt? A) 20.2 s, B) 24.2 s, C) 28.1 s, D) 60.7 s. " Need help asap please and thank you. Only correct answers. I tried and got it wrong. The correct answer is 20.2 s
Answers
The correct answer is A. 20.2 s
Explanation:
The table shows there were three trials to measure how much time a toy car needs to move 1 meter on different surfaces. Now, to find the average time on a surface simply add the results of the three trials and divide this by number 3 (number of trials). The process to know the average time on dirt is shown below:
20 + 19.2 + 21.5 = 60.7 - Results of each of the trials
60.7 ÷ 3 = 20.2 s - Divide the total by the number of trials
This means the average time for the toy to move on dirt was 20.2s
Plants need radiant energy and which of the following resources for photosynthesis
.glucose and water
.oxygen and water
.carbon dioxide and water
.oxygen and glucose
Answers
Answer:
carbon dioxide and water
Explanation:
plants make use of CO2 and H2O
Answer: carbon dioxide and water
Explanation: I had the same question once
Two important polysaccharides made up of glucose monomers are _______ and _______.
Answers
Answer: cellulose and starch
Explanation:
polysaccharides are large molecule that are made up of many monosaccharides this include simple sugars, like glucose. Small mononers are usually binded by enzymes to create a polysaccharide. Examples of polysaccharides are Starch, glycogen, cellulose.
Plants synthesize glucose a type of sugar and it excess is stored as starch. Starch is therefore the stored form of sugars in plants and it consist of glucose monomers that are joined by α1-4 or 1-6 glycosidic bonds.
Cellulose is found in the cell walls of plant and its provides support . It is abundant natural biopolymer.
What are some other potential sources for starch degrading bacteria?
Answers
Answer:
Starch degrading enzymes like amylolytic enzymes are generally significant in the industries to deal with biotechnology, with immense applications in food, textiles, fermentation, and paper. Bacteria produce amylase chemicals including utilizing Bacillus sp., a naturally found polymer, for example, starch, proteins, gelatin
starch degrading microbes in pure culture from soil utilizing a starch loaded agar medium, The two bacterial strains Bacillus amyloliquefaciens and Bacillus licheniformis and cow manure are some of example
An element has an atomic mass number of 16 and an atomic number of 7. The element has _ protons and _ neutrons
Answers
Answer:
7 protons and 9 neautrons
Explanation:
neautrons = atomic mass - atomic number
16-7= 9
protons= number of electrons= number of protons (this can be seen in the atomic number)
Which statements describe constructive forces? Check all that apply. A volcano erupts. A river deposits gravel at a bend. Tree roots crack a boulder. A glacier carves rocks as it moves. Wind throws sand against a statue. Plate movement creates mountains.
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Answer: a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains
Explanation:
A statement describe constructive forces is a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains.
What is constructive force?Constructive force is defined as a method of raising or constructing the Earth's surface features. The planet undergoes constructive processes when events take place that improve or transform it. The procedure by which sand is dumped upon a river bank by the flowing water is an illustration of a constructive process. The river bank is raised as a result of this construction.
Mountains and land are formed throughout time by volcanic activity. inside a volcano, heated, molten rock. On the surface of the Earth, lava flows from the volcano. Igneous rock is created as it cools. The deformation of the crust, volcanic eruptions, and sediment deposition are three of the primary constructive factors. Crustal deformation is the alteration or deformation of the shape of the land. The shifting of the Earth's plates is one of the key causes.
Thus, a statement describe constructive forces is a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains.
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