The way that does not successfully classify protists is their size. Thus, the correct option is C.
<h3>What are Protists?</h3>
Protists may be defined as one of the diverse taxonomic groups and particularly a kingdom of eukaryotic organisms that are unicellular and sometimes colonial or less often multicellular and that generally include the protozoans, most algae, and often some fungi.
On the basis of the way that Protists reproduce, they can be subdivided into three types: Sexually reproducing protists, asexually reproducing protists, and conjugation-based.
On the basis of how protists get energy and food, they are again subdivided into three categories.
- Animal-like protists: Heterotrophs that have the ability to move.
- Plant-like protists: Autotrophs that have the ability of photosynthesis.
- Fungi-like protists: Heterotrophs have cells with cell walls.
On the basis of the way that they move, they are subdivided into two types: Motile protists and non-motile protists. They generally move with the help of cilia, flagella, and pseudopodia.
Therefore, the size is not one of the following ways that protists are grouped. Thus, the correct option for this question is C.
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Answer: 21850.42mmHg or 28.78atm
Explanation: From the equation of the reaction, 2 moles of sodium reacts with 2 moles of water to produce 2 moles of NaoH and 1 mole of hydrogen gas at s.t.p.
molar volume of gas at s.t.p. = 22.4dm^3,
standard temperature = 0°C or 273K,
standard pressure = 760mmHg or 1atm,
molar mass of Na = 23g;
volume of the container= 20L or 20dm^3
From the equation, 2 moles or 46g of Na produces i mole or 22.4 dm^3 of hydrogen.
Therefore, 1kg or 1000g of Na will produce 22.4 * 1000/(46)= 486dm^3 of hydrogen.
To find the pressure of the gas produced, the formula P1V1/T1 = P2V2/T2
P1= 760mmHg, T1= 273K, V1 (initial volume of gas)= 486dm^3, T2=50.0°C or 50+273K= 323K, V2( final volume of gas= volume of vessel)=20dm^3 P2=?
P1= P1V1*T2/(V2T1)= 760mmHg * 323/(273)= 21850.42mmHg or 1atm*21850.42/760= 28.78atm
In living things, there are 6 common elements that can be found: carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus. Among these, the major ones are carbon, hydrogen, oxygen and nitrogen.
The most important of all that characterizes organic matter from the rest, is the presence of carbon. Carbon is a versatile element because it can bond to itself to an unlimited length. Because of this, it makes itself as host to other functionalities like hydroxide, amines and many more. The combination of a length of carbon chains with other of these major elements make up the basic compounds that our body needs. Compounds like carbohydrates, lipids, hormones, proteins and even our DNA and RNA strands are made up of these major elements.
Answer:
The correct option is B. Jean Charcot was the French neuroscientist that helped legitimatize the practice of hypnosis.
Explanation:
Hypnosis can be described as a state in which a person is numb or kind of asleep but is strongly focused to respond to questions being asked by the psychologist. This technique is used by psychologists for the treatment of psychological disorders. Hypnosis has also been known to serve as a therapy for pain management.
Jean Charcot was a French scientist that made up his name by identifying a number of neurological disorders. He is also known to legitimatize the practice of hypnosis for psychological purposes.
They are called sacromeres.
