What is cellular metabolism?
Your Answer:
Cellular metabolism
is a set of biochemical processes that occur within living cells to
maintain life, involving energy production, growth, and the synthesis of esse
ntial molecules.
Metabolism is a controlled set of biochemical reactions that occur in living
organisms in order to maintain life.
Question 2
What is the primary function of enzymes, and how are they regulated?
Your Answer:
Enzymes facilitate biochemical reactions with an enzyme being a protein
that speed up chemical reactions
Enzymes speed up chemical reactions. Most notably, the enzyme is not
consumed during the reaction and can be used repeatedly by the cell.
Enzymes can also be regulated by a cofactor such that in the absence of the
proper cofactor, enzymes are inactive while in its presence enzymes are
active.
Question 3
What is the difference between catabolism and anabolism?
Your Answer:
Catabolism breaks down large molecules into smaller molecules
Anabolism creates larger complexes from smaller molecules
Catabolism is the process of breaking down larger molecules into useful
energy sources whereas anabolism is the building up or biosynthesis of
, macromolecules from smaller molecular units into larger complexes, most
often associated with cellular growth and repair.
Question 4
pts
ATP has the energy to , while ADP has the capacity to energy.
Answer 1:
Donate
Answer 2:
Accept
Question 5
Chemotrophs can be subdivided into what two additional subgroups?
Your Answer:
Organotrophs
Lithotrophs
Chemotrophs, which acquire energy from preformed chemicals found in the
environment, can be divided into either organotrophs (removing electrons
from organic molecules such as glucose) or lithotrophs, which remove
electrons from inorganic molecules.
Question 6
Chemotrophs utilize which form of phosphorylation?
Your Answer:
Oxidative phosphorylation
Chemotrophs use oxidative phosphorylation (may also accept substrate level
phosphorylation). Oxidative phosphorylation utilizes the energy released by
the chemical oxidation of nutrients to reform ATP.