1. 12 bones
2. 8 bones
3. 14 bones
4. 20 bones
8 bones
1. One ovary
2. Two ovaries
3. Three ovaries
4. Many ovaries
One ovary
1. One ovary
2. Two ovaries
3. Three ovaries
4. Many ovaries
One ovary
1. bulb
2. rhizome
3. tree
4. stem
bulb
1. leading strand
2. lagging strand
3. non sense strand
4. senseful strand
lagging strand
1. ascorbic acid
2. glutamic acid
3. aspartic acid
4. enolic acid
ascorbic acid
1. liver
2. kidney
3. bone marrow
4. lymph and lymphoid tissue
lymph and lymphoid tissue
1. metacentric
2. telocentric
3. acentric
4. polycentric
metacentric
1. Naja-naja
2. Python
3. Hydrophis
4. Bungarus
Python
1. nucleus
2. chloroplast
3. mitochondria
4. all of these
all of these