Space suits, space capsules, space vehicles, and space enviroments.
Answer:
4
Explanation:
Amino acids are coded for by codons, which are triplets of nucleotides.
To work out how many amino acids are present, simply divide the cells into triplets.
AUG CGA UAC UGA
There are four triplet codons, so the sequence codes for four amino acids.
Answer:
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Answer:
Because pioneer species are the first to return after a disturbance, they are the first stage of succession, and their presence increases the diversity in a region.
Explanation:
Note: They are usually a hardy plant, algae or moss that can withstand a hostile environment
Answer:
Peristalsis is the involuntary movement of the muscles that move food through the digestive system.
Explanation:
- Peristalsis is a reflex response.
- It is initiated when the gut wall is stretched by the contents of the lumen.
- Peristalsis occurs in all parts of the gastrointestinal tract from esophagus to the rectum.
- It actually refers to the ringlike contraction of the circular smooth muscle that move progressively forward pushing the bolus.
- It involves coordinated contraction and relaxation above and below the food bolus so that the bolus is pushed forward instead of being pushed back.
