Osteoporosis refers to an ailment characterized by reduced bone mass and loss of bony tissue that may lead to weak and fragile bones. In an experiment, Dr. Travis tested the influences of the consumption of calcium on osteoporosis, the condition that results in enhanced chances of bone fractures.
In the given experiment, the amount of calcium is the independent variable, and the risk of bone fractures could get changed with the amount of calcium consumption.
Answer:
A major change to the Linnaean system was the addition of a new taxon called the domain.
Explanation:
Answer:
Nucleus
Explanation:
Nucleus controls cells' activities by controlling the synthesis of proteins.
Golgi apparatus involves in the secretion and intracellular transport of a cell.
Ribosome helps the synthesis of proteins only.
Mitochondrion involves in respiration, generating energy for the cell.
Answer:
The correct answer is : B. Carbon dioxide gas is produced as a by-product of alcohol fermentation but not lactic acid fermentation.
Explanation:
In t5he lactic fermentation, the end product is lactic acid whereas in Alcohol fermentation produces by-product carbon dioxide gas which makes it more suitable for baking.
Alcohol fermentation takes place the bread is made as gas is what puts tiny air bubbles within the dough of the bread and makes bread lighter consistency we are used to. Yeast helps in producing carbon dioxide by alcohol fermentation.