Packet 1: Bonus 9
During development, these cells are nurtured by Sertoli cells in the seminiferous tubules. For 10 points each:
[10e] Name these flagellated male gametes, millions of which are produced by the testes on a daily basis.
ANSWER: sperm [accept spermatocytes or spermatozoa]
[10h] Mature sperm are stored in the epididymis and released through muscle contractions in this passageway into the urethra. Cystic fibrosis often causes a congenital absence of this passageway.
ANSWER: vas deferens [or ductus deferens; prompt on sperm duct]
[10m] Unlike eggs, sperm do not typically contain DNA from these organelles. A namesake “Eve” defined using this organelle’s genome is the most recent maternal common ancestor of all living humans.
ANSWER: mitochondria [or mitochondrion; accept mitochondrial Eve]
<Biology — June Yin> | SHOW-ME Four Packet 1
| Heard | PPB | E % | M % | H % |
|---|---|---|---|---|
| 23 | 24.78 | 100% | 87% | 61% |
Conversion
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total | Parts |
|---|---|---|---|---|---|---|
| Detroit Catholic Central A | New Boston Huron | 10 | 10 | 10 | 30 | EHM |
| Detroit Catholic Central C | Troy A | 10 | 0 | 10 | 20 | EM |
| Detroit Country Day A | White Cloud A | 10 | 0 | 0 | 10 | E |
| Detroit Country Day B | Detroit Catholic Central B | 10 | 0 | 0 | 10 | E |
| Hillsdale Academy A | DeWitt B | 10 | 0 | 10 | 20 | EM |
| Hillsdale Academy D | Coldwater | 10 | 0 | 10 | 20 | EM |
| Okemos A | Taylor | 10 | 0 | 10 | 20 | EM |
| Okemos B | Hillsdale Academy B | 10 | 10 | 10 | 30 | EHM |
| Rockford A | New Buffalo B | 10 | 10 | 10 | 30 | EHM |
| Traverse City Central A | Holt | 10 | 10 | 10 | 30 | EHM |
| Traverse City Central B | Rockford B | 10 | 10 | 0 | 20 | EH |
| Utica Academy | White Cloud B | 10 | 10 | 10 | 30 | EHM |
| Williamston | DeWitt A | 10 | 0 | 10 | 20 | EM |
Summary
| Tournament | Edition | Match | Heard | PPB | E % | M % | H % |
|---|---|---|---|---|---|---|---|
| Rube Goldberg XIX | 11/20/2025 | ✓ | 13 | 22.31 | 100% | 77% | 46% |
| SHOW-ME Four Nationwide HS | 11/20/2025 | ✓ | 5 | 30.00 | 100% | 100% | 100% |
| SPOOKY IX | 11/20/2025 | ✓ | 5 | 26.00 | 100% | 100% | 60% |