Inhaled oxygen enters the lungs and reaches the alveoli. ... Oxygen passes quickly through this air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled.
Answer:
D) can reveal alterations in chromosome number.
Explanation:
The karyotype is used to look for abnormal numbers or structures of chromosomes.
Karyotypes are prepared using standardized staining procedures that reveal characteristic structural features for each chromosome.
Answer, D. The Miller-Urey experiment provided the first evidence that organic molecules needed for life could be formed from inorganic components.
The spelling
Explanation:
Similarities are they can still produce flowers or fruits and differences are old plants may be weak and shorter life span...