Answer: B. speed of the reaction
Explanation:Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
Answer:
A Dominance hierarchy: a form of animal social structure in which a linear ranking exists, with each animal dominant over those below it and submissive to those above it in the hierarchy.
B) Both parents are heterozygous. It is clear that Black fur is a dominant trait, so a white mouse is the result of two submissive traits clicking together.
Penicillin is an antibiotic produced by a fungus.
Explanation:
The only true statement from the given options is that penicillin is an antibiotic produced by a fungus. It is used to treat a wide range of microbial infection.
- Penicillin was discovered by Alexander Fleming in 1928
- Penicilium is a fungi mold grown by fermentation.
- The antibiotics restrict the activities of enzymes by inhibiting them.
- Antibiotics are not usually effective against virus
- Antimicrobial chemicals are usually toxic to humans.
- Antibiotic resistance is a serious problem in the health industry.
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Independent, dependent, and controlled variables.
