Cell Signaling
What are the 3 steps in the signal transduction pathway?
What are a reception, transduction, and response
What happens during Cytokinesis?
Cytoplasm is pinched into two nearly equal parts or a cell plate forms midway between the divided nuclei.
What is the term for short distance signaling?
What is paracrine
How many rounds of cell division does Meiosis involve?
What is 2?
The type of feedback loop that pushes an organism further away from homeostasis (ex. labor)
What is positive feedback loop?
What is a signal molecule that binds to a larger molecule on the cell's surface.
What is a ligand
What stage of the cell cycle does our DNA replicate?
The term for long distance signaling
What is endocrine
In humans, how many chromosomes does each new cell end up having when meiosis is complete?
What is 23?
The type of feedback loop that brings the organism closer to homeostasis.
What is negative feedback loop?
What happens after a ligand binds to its receptor?
What is protein modification?
What are the 3 steps of interphase and 5 steps of mitosis?
What are G1, S, G2, Prophase, Prometaphase, Metaphase, Anaphase, Telophase.
The term for a cell communicating with itself
What is autocrine
Crossing-over occurs during this phase.
What is Prophase I?
What do Mitosis and Meiosis both produce?
What are daughter cells
What can happen when a signaling pathway is changed?
What is poisoning, disease, or death?
Two new nuclei form during this stage of Mitosis.
What is Telophase?
The term for cells communication through direct contact
What is direct or juxtacrine.
What is one difference in the results of the cells in Mitosis and Meiosis?
What is mitosis results in diploid cells, Meiosis results in haploid cells?
One half of a duplicated chromosome is a __________.
What is a chromatid?
What is a series of chemical reactions during cell signaling mediated by enzymes, in which each kinase in turn phosphorylates and activates another?
What is Phosphorylation Cascade
At what point in the cell cycle do the sister chromatids separate?
What is Anaphase
What are the terms for direct contact between animal and plant cells?
What is gap junction and plasmodesmata.
What cell division process is involved in asexual reproduction, and which one is involved in sexual reproduction?
What are mitosis for asexual and meiosis for sexual
When homologous chromosomes exchange genes during prophase I.
What is crossing over.