Phosphate, deoxyribose, and four nitrogenous bases- adenine, guanine, cytosine, and thymine! The “bars on the ladder” are the four nitrogenous bases. Adenine and thymine pair together always, and guanine and cytosine! Deoxyribose and phosphate makes up “the sides of the ladder”. Hope this helps!
<u>Complete Question:</u>
Which statements describe proteins? Check all that apply.
A.) Proteins are created from the code in DNA.
B.) Proteins are synthesized in the nucleus of a cell.
C.) DNA and RNA are proteins.
D.) Amino acids are the building blocks of proteins.
E.) Proteins affect the structures and functions of living things.
F.) The shape and the function of a protein are not related.
<u>Correct Option:</u>
The statements which describe proteins are as follows:
A.) Proteins are created from the code in DNA.
D.) Amino acids are the building blocks of proteins.
E.) Proteins affect the structures and functions of living things.
<u>Explanation:</u>
Transcription is the method of RNA molecule creation from DNA. The translation is the mechanism by which the protein material is produced from the RNA molecule. Originally, protein forming data is contained in the DNA in the context of nucleotide code. The mechanism of translation happens in the cytoplasm and not at the nucleus.
DNA and RNA contain nucleotides and not proteins. Proteins are the alpha amino acid polymers, which serve as the building block of the protein. An individual's phenotype relies on the composition of the protein, and protein determines the composition and phenotypic expression in living organisms. 3D structure of proteins and their work are realized with one another.
Food cooking is an example of an endothermic reaction, because removing the source of heat would cause the reactions to stop
Answer: Option D
<u>Explanation:</u>
Cooking food is an example of endothermic or the heat-absorbing reaction where heat is absorbed by the system from the surrounding. Food is cooked by absorbing heat from the surroundings. Hence the temperature of the surrounding decreases.
Now when the source of heat is removed that would cause the reactions to stop. In an endothermic reaction an external heat is required for the reaction to proceed. Hence when the heat is removed and as the product is not that stable it is liable to stop the reaction.
B. some species die out when environmental changes occur
