Answer respiration system
Explanation:
cause
Calculate the pI of Histidine (pKa’s = 2.3, 6.04, 9.33)
6.11
7.68
3.08
2.35
4.07
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.
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
Answer:
Myanmar, the US, and Libera don't use the metric system :)
Explanation:
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.
Answer:
B) scientific knowledge can evolve
Explanation:
I took the USA Test prep
Answer:
B
Explanation:
I got it right!
What age does a tree obtain its bark
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
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.
For more such answers on photosynthesis
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How is the transmission across the synapse controlled?
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.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?
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 need radiant energy and which of the following resources for photosynthesis
.glucose and water
.oxygen and water
.carbon dioxide and water
.oxygen and glucose
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
Do you think that this type of genetic engineering should be pursued? Explain your answer
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...?
An element has an atomic mass number of 16 and an atomic number of 7. The element has _ protons and _ neutrons
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)
A controlled experiment is one in which
number 4
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
Scientists began more intensive study of real plants and animals during the Renaissance
O True False
Answer:
true
Explanation:
Differentiate the differences of livestock and poultry animals?
Name the different divisions of animals according to their habitats
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
The DNA sequence of a gene for a protein:______.a. mutates at a high rate.b. is a polymer of four ribonucleotides.c. ultimately determines the amino acid sequence of a protein.d. is a non‑linear code.
Answer:
The correct answer is : Option C. ultimately determines the amino acid sequence of a protein
Explanation:
DNA sequence is destined to make a specific amino acid chain of a particular protein through the process of transcription and translation. These two process together known as the protein synthesis.
DNA sequence makes the mRNA sequence and this mRNA sequence with tRNA and ribsomes are used to form the sequence of the amino acid chain of a protein during protein synthesis.
Thus, the correct answer is option C.
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.
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.
To learn more about constructive forces, refer to the link below:
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Something that transmits some, but not all, of the light that hits is called:
A. Opaque
B. Translucent
C. Transparent
which carbohydrate can be used by the body as an immediate source of protein?
Answer:
Glucose is the bodies primary form of fuel
Explanation:
What is the independent variable?
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
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
What are some other potential sources for starch degrading bacteria?
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
What is the function of the structure identified by the red arrow? A) Mobility B) Protection C) Reproduction D) DNA Transfer
Answer:
a. mobility
Explanation:
Eventually the weight will stop moving. Why? Where does the energy go?
Answer:
the energy is lost due to friction or air resistance or any opposing or resisting forcw for that matter
Answer:
There are many reason why something will stop moving. For example, if you throw a ball up into the air it reaches a max where it stops due to both gravity pulling it down and the air resistance that the ball is experiencing.
Another example is if a car is driving on a flat road and the driver takes the foot off the gas the car will come to a stop after some time due to the friction that is being caused by the road. The energy from the tire would get consumed as friction occures between the road and tire where the enegery would be transferred to the road.
The substances that are present after any chemical reaction are called
Answer:
Products
Explanation:
Answer:
Products
Explanation:
Any1 up for a meet #E-mates
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
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
Two important polysaccharides made up of glucose monomers are _______ and _______.
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.
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
Answer:
Oxygen and chemical energy
Explanation:
In the thylakoids of the chloroplast6CO2 + 6H2O (In the presence of light) → C6H12O6 (Sugars) + 6O2.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
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.