Students in Dr. Branch's physics class were calculating the average time required for one complete period of a pendulum bob.
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Q: 5: Which of the following best describes anabolic reactions?
Answer:
Energy-storing reactions which link simple molecules together to make complex ones
Explanation:
Anabolism or anabolic reactions comprise the process during which simpler molecules are joined or linked to form complex compounds. These reaction require the input of energy but ultimately that energy is stored in complex molecules for later use.
Organisms employ the reactions which absorb the energy in several reactions. and this absorbed energy is then stored for later use to perform various activities of the body.
For example: Photosynthesis is the common example during which energy from the sun is used to create sugar based molecules like sucrose and glucose. The formation of glucose is an anabolic process because it makes complex compound from simple compounds and stores energy in them which is later used to by plants to perform daily activities and work.
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Q: 18: What are the folds of the inner membrane of mitochondria?
Answer:
Cristae
Explanation:
Cristea are the fodings present in inner mitochondrial membrane . The reason why there are called cristae came from Latin word crest that means wrinkled or irregular shape in a way that increases the surface area of the object.
If we look at cristea in mitochondria , its purpose is same, to provide a huge amount of surface area for the diverse types of reactions of cellular respiration that takes place in the inner mitochondrial membrane.
These folds not only enhance surface area but also support aerobic cellular respiration in a number of ways. there are large amount of proteins studded in cristaea like cytochromes and ATP synthases that make sure an efficient execution of the process of cellular respiration.
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Q 13: Which statement correctly describe one similarity between cellular respiration and photosynthesis?
Answer:
Cellular respiration and photosynthesis both have water and carbon dioxide in the reactions
Explanation:
If we talk about the processes of photosynthesis and Cellular respiration both are almost exact opposite in nature. The products of cellular respiration are the reactants of photosynthesis and vice versa.
The sunlight in mandatory for the execution of photosynthesis however, cellular respiration depends on the supply of glucose and ultimate three phases (glycolysis, kreb cycle and electron transport chain) to transform the glucose in the usable energy reservoir ATP.
But still, when we look at the equations of cellular respiration and photosynthesis, we see something is common. And what is that common thing is, Cellular respiration and photosynthesis both have water and carbon dioxide in the reactions . (please see attached figure).
In cellular respiration, water and carbon dioxide are the products along with energy, while in photosynthesis water and carbon dioxide are the reactants.
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