Answer:
-Physical properties possessed by all stars:
- They are made of gases such as hydrogen and helium.
- They shine very brightly due to interaction of hydrogen and helium at appropriate pressure and temperature.
- They contain iron in their cores which monitors the fusion reaction.
- They make energy through fusion between the gases present in the stars which are hydrogen and helium.
- They are not spherical in shape hence this physical property is false in terms physical properties of the stars.
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Explanation:
Answer:
The DNA in prokaryotes is contained in a central area of the cell called the nucleoid, which is not surrounded by a nuclear membrane. Many prokaryotes also carry small, circular DNA molecules called plasmids, which are distinct from the chromosomal DNA and can provide genetic advantages in specific environments.
Explanation:
Answer:
Termites have cellulose-digesting protists in their guts.
Explanation:
Termites are able to access nutrients contained in cellulose due to their mutualistic association with some cellulose-digesting protists such as <em>Trichonympha</em> and M<em>ixotricha</em>. The protists produce cellulase in addition to other glycolytic enzymes that work together to convert cellulose to malate.
The malate produced is further metabolized to produce
, hydrogen, acetate and energy in the form of ATP.
The protists get sheltered in the termite's gut in return.
Answer:The secretion of aldosterone is directly stimulated by adrenoglomerulotropin.
Explanation:
Aldosterone plays an important role in the regulation of systemic blood pressure through the absorption of sodium and water. The lipid factor(adrenoglomerulotropin) which is obtained from pineal extracts selectively stimulates secretion of aldosterone.