Unit 1 Quiz 2 Flashcards
What does the kineticore do?
Is attached to actin so that the actin can pull it to another cell
What is interface?
Resting period
Histones are in the nucleus
Actin is at the surface
What is Proface?
Step 1 of Mitosis
When ready to duplicate, two bundles of motor proteins form, chromosomes are made, actin highways are formed at centroles
What is Metaphase?
Step 2 of Mitosis
Actin connects to kineticore to prepare to seperate
What is Anaphase?
Step 3 of Mitosis
Actin pulls the copied chromosomes to their respectible sides
What is Telophase?
Step 4 of Mitosis
The cells split
What are the stinging cells of jellyfish?
Cnydocytes
What is the classification for jellyfish?
Scyphoza
What is the classification for comb jellies?
Ctenophora
What is the classification for sea sponges?
Porifera
What is the classifications for jellyfish/polyps?
Cnydarians
What animal has never been seen in nature?
Placoza
What animal was the first to show nerves?
Cnidaria
What do nerves help move?
Muscles
Besides stinging, what other ways do Ctenophores catch their prey?
Sticky tenticles
What two classifications have true tissues?
Cnidarian
Ctenophore
What is it called when a sperm meets an egg?
cygo
When cells keep multiplying, what is it called when they make a hollow sphere?
Blastula
What type of symmetry does a Cnidarian have?
Radial
What type of symmetry does a Porifera (sea sponge) have?
Does not have symmetry
What is a ganglia?
where many cells diverge
What classification has ganglias?
Ctenaphores
What book is Mr. Ford reading?
Shock Therapy
What is the colonial hypothesis?
Cells that can live by itself, but wants to live in a colony
They become interdependent on each otehr
What is the Syncytial Hypotesis?
2 nuclei are in one cell, so they have to turn off their genes in order to cooperate
What is collogen?
Used to fill the cell
Most used substance in a cell
What is the inside of a cell called?
endoderm
What is the outside of a cell called?
exoderm
What does a porifera need to become a cell?
spicules to use sand and salt water
What increases in a porifera cell?
surface area to filter more food
What is found in the skeleton of all sponges?
Spongin and collagen
What is the most useful body type in sponges?
Leucon
How do sponges eat?
filter feeding