Answer:
Membrane-bound organelles
Explanation:
Differential:
- Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.
Similar:
- Both cells need nutrients, there are eukaryotic and prokaryotic organisms of algae.
- Both eukaryotic and prokaryotic cells have a plasma membrane.
- Both eukaryotic and prokaryotic cells desire nutrients.
Mars mass is 6.4169 x 1023kg . That is slightly more than 10% of the Earth 's mass .Mars is a tiny world in every way when compared to Earth . In our solar system ,Mars is the second smallest planet by mass. Only
Mercury is smaller .While Mars is a tiny planet , it is the most explored outside
Answer: Hypothalamus
The brain coordinates the physical changes that occur during puberty and the hypothalamus plays an especially important role in this process.
Explanation:
Since the hypothalamus controls the secretion of hormones from the pituitary gland, and the pituitary gland, also known as master gland, controls the activities of all other glands like the following:
- gonads (ovaries and testes), responsible for producing many of the sex hormones and hence, development of sexual characterictics
- thyroid, responsible for producing thyroxine, responsible for body metabolism and development.
Thus, hypothalamus plays important role in puberty
It is called THERAPEUTIC INDEX. Therapeutic index is the comparison of the amount of a particular drug that causes the desired therapeutic effects and the amount that causes toxicity. The index can be low or high. A drug with a low therapeutic index will require only a small increase in dose to produce toxic effects in users.