Answer: The word equation for photosynthesis is -
Carbon dioxide + Water → Glucose+ Oxygen
Photosynthesis is a process of formation of food in green plants and algae. In this process, light energy from sun is absorbed ( by chlorophyll) in the presence of carbon dioxide and water through a series of chemical reactions.
This produces chemical energy in the form of ATP and NADH. This is utilized in the formation of food, which is a carbohydrate ( glucose).
Glucose and Oxygen are produced as byproduct of the photosynthesis.
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Answer:
C.
Explanation:
The hydronium ion concentration can be found from the pH by the reverse of the mathematical operation employed to find the pH.
Answer: A
Explanation:
Proteins make up cell membranes.
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Watson and Crick's model explained mutability because bases pairs can suffer changes (mutations) during DNA replication. Moreover, this model also explained stability because DNA strands are held together by hydrogen bonds.
Deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Guanine, Cytosine and Thymine.
In Watson and Crick's model, both DNA strands are held together by hydrogen bonds between nitrogenous bases on opposite DNA strands, thereby providing stability to the DNA molecule.
In DNA, Guanine always pairs with Cytosine by three hydrogen bonds, while Adenine always pairs with Thymine by two hydrogen bonds.
Moreover, Watson and Crick suggested that mutations could occur as a consequence of a base occurring very infrequently in one of the less likely tautomeric forms during DNA replication, thereby also explaining the mutability of life.
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