Term
| what are the two ways in which gametes form? |
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Definition
| oogenesis and spermatogenesis |
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Term
| If animals do not practice internal fertilization, what ways do they fertilize? |
|
Definition
| externally (specifically external spawning) |
|
|
Term
| During oogenesis, what does not occur? |
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Definition
|
|
Term
| During oogenesis, at what stage is cell division arrested? |
|
Definition
| prophase I until monthly mestration |
|
|
Term
| Name different ways that animals reproduce? |
|
Definition
| hemaphroditism parthenogenesis |
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Term
| When the sperm approaches the egg, what events occur? |
|
Definition
| the egg protective layers form and acrosome function starts |
|
|
Term
| When the plasma membranes of the sperm and egg fuse, what events occur? |
|
Definition
| fast and slow blocks to polyspermy, and egg activiation (the great awakening) |
|
|
Term
| During cleavage, describe the major event that is happening? |
|
Definition
| rapid cell division of the zygote via mitosis |
|
|
Term
|
Definition
| multiple sperms enter an egg |
|
|
Term
| True or false, polyspermy occurs in animal development. |
|
Definition
| False, it is incompatible. |
|
|
Term
|
Definition
| they are cyclin-dependent kinases. They belong to a group o protein kinases that play a role in transcription and mRNA processing. |
|
|
Term
| what are some factors that block polyspermy? |
|
Definition
1)Na flushes in to change polarity
2)Ca 2+ is released which causes separation from plasma membrane
3)sperm receptors are released |
|
|
Term
| What is the "fast-block" and the "slow-block"? |
|
Definition
Fast: Na flushes in and changes polarity of cell
Slow: sperm receptors are released from plasma membrane |
|
|
Term
| What type of germ layer give rise to the gut? |
|
Definition
|
|
Term
| what type of germ layer give rise to the skin? |
|
Definition
|
|
Term
| what type of germ layer gives rise to the coelom? |
|
Definition
|
|
Term
| During what phase does the morphology of the embryo dramatically change? |
|
Definition
|
|
Term
| What follows gastrulation? |
|
Definition
|
|
Term
|
Definition
| divided cells that occur after the egg is fertilized. |
|
|
Term
| What surrounds the blastocoel during early development? |
|
Definition
|
|
Term
| In early development, the central fluid filled cavity is called: |
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Definition
|
|
Term
| Partial cleavage is referred as: |
|
Definition
|
|
Term
| total or entire cleavage is referred to as: |
|
Definition
|
|
Term
| What ends when the blastula is formed? |
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Definition
|
|
Term
| The pole with the highest concentration of yolk is referred to as the: |
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Definition
|
|
Term
| What is the opposite pole of the yolk called (the one with less concentration of yolk)? |
|
Definition
|
|
Term
| What is the result of uneven cytokinesis? |
|
Definition
|
|
Term
| What is referred to as "The Great Awakening"? |
|
Definition
| Ca +2 starts transcription of mom's mRNA |
|
|
Term
| In a sea urchin, what invaginates to form the endoderma nd the archenteron? |
|
Definition
|
|
Term
| Is there asymmetrical or symmetrical yolk distribution in amphibians? |
|
Definition
|
|
Term
| During the embryonic stages of development, what is the opening of the archenteron called? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Urinary schistomiasis causes what problems in humans? |
|
Definition
| Blood in the urine, potential bladder cancer, or kidney problems. |
|
|
Term
| Intestinal schistosomiasis causes what problems in humans? |
|
Definition
| diarrhea, fatigue, abdominal pain, blood in stool/feces, and complications in the liver and spleen. |
|
|
Term
|
Definition
| uncooked pork(pigs) or beef(cows) |
|
|
Term
|
Definition
| nematoda(roundworms), hookworms, roundworms, heartworms, and Caenorhabditis elegans(good nematode) |
|
|
Term
| What condition does the heartworm cause in dogs? |
|
Definition
|
|
Term
| What is a secondary concern of Dirofilariasis? |
|
Definition
|
|
Term
| Which of the Coelomic protostomes have no radula? |
|
Definition
|
|
Term
| How do the Bivalves feed? |
|
Definition
| water is drawn via inhalant siphon, food and oxygen taken up in the gill, then water discharged via exhalent siphon. |
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