6. a - transgenic organism is one whose genetic material has been altered by genetic engineering (i.e. man!)
9. a - biomedical research
10. b
13. b
16. d
18. b
Carbon makes four electrons available to form covalent chemical bonds, allowing carbon atoms to form multiple stable bonds with other small atoms, including hydrogen, oxygen, and nitrogen. This allows carbon atoms to form a tremendous variety of very large and complex molecules.
<span>hromoplast is the generic term but is usually used to refer only to those plastids that do not have chlorophyll.</span>
Answer:
Turner Syndrome
Explanation:
When someone only inherits only the X chromosome, their karyotype symbol for that will be XO. Symptoms of Turner Syndrome include "short height, failure of the ovaries to develop and heart defects."