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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The cell contains many organelles which have different functions like a tiny system
The blood is filtered at a high pressure and the kidney selectively reabsorbs any useful materials such as glucose, mineral ions and water. After it has been purified, the blood returns to the circulatory system through the renal vein. The kidneys produce urine and this helps maintain water balance.
Answer:
True
Explanation:
Truly, the typical X shaped chromosomes is the result of DNA replication. When the DNA has replicated, it then condenses and coil into the X-shaped of the chromosome. This then implies that replicated chromosomes take the X-shaped structures seen under a microscope.
When this replication occurs, the chromosome is made of two structures that are identical. They are known as the sister chromatids. These chromatids are actually joined at the centromere.
