What are three freshwater environments?
1(Rivers
2(Lakes
3(Streams
A glucogenic amino acid is an amino acid that can be converted into glucose through gluconeogenesis. This is in contrast to the ketogenic amino acids, which are converted into ketone bodies.
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There are three stages in the life cycle of a spider : - the first is embryonic stage, then the larval stage and finally nympho- imginal stage.
Answer: C. A substrate
Explanation:
A substrate is a substance on which an enzyme act. The enzyme acts on substrate X and converts it to Y.
Mars and Moon are the locations from which meteorites would come.
Option (c);
<u>EXPLANATION: </u>
- The meteorites found on Earth look like martian crystal rocks.
- These might be first ejected into space during a collision of an asteroidal object with Moon or Mars and then it got into the Earth orbit because of the force produced during the collision.
- There are around seventy meteorites recognised to have come from the planet Mars till up to the present date.
- There are three types of meteorites such as Martian meteorites and a sample of two lunar meteorites.
- To identify the origin of the meteorite, the scientist tries to identify the type of rock followed by analysing the chemical composition and then try to identify its age.
