Answer:
Explanation:
DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies.
Answer:
Enzymes' shapes are important because it determines the specific substrate it will act onto.
Explanation:
The shape of the enzymes are explained by two theories, which are Lock and Key Theory and Induced Fit Theory.
<h3>Lock and Key Theory </h3>
This was first coined by <em>Emil Fischer in 1894</em>. Just like how a key has a specific keyhole, <u>enzymes' active sites are supposed to act on specific substrates to produce a catalyzed effect</u>. Incorrectly shaped keys or enzymes will not fit into a lock (substrate) not assigned for it.
<h3>
Induced Fit Theory</h3>
this theory was proposed for the substrates that do not qualify for the Lock-and-Key theory, or <u>enzymes that have more than one active sites</u>. It is said that the <u>substrate determines the final shape of the enzyme</u>, and that the<u> enzyme is somehow pliable</u>. The enzyme is then modified by the substrate to form an enzyme-substrate complex. This explains why two or more enzymes can catalyze a single substrate.
<h3>Additional notes:</h3>
For enzymes to work, they may need specific molecules.
A coenzyme may be <u>metal ions (iron, copper, magnesium)</u> or <u>organic molecules (Vitamins B2, B3, B8)</u> which attach to an enzyme to form a holoenzyme. An apoenzyme is an enzyme with only its protein part sans the cofactor.
<span>If you place a cucumber in distilled water, it would eventually wither and die, because distilled water has none of the solvents that the cucumber needs to fuel its cells.</span>
Answer:
Answer is C
Explanation:
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