Cell Cycle
The phase that cells spend 90% of their lifetime in.
What is interphase?
Three stages of cell to cell signaling?
What is reception, transduction, and response?
Mechanisms the body uses to maintain homeostasis, which can be negative or positive.
What are feedback loops?
Bacteria have this many pieces of DNA.
What is one circular piece?
Name of the person whose cells became the famous "HeLa Cells"
Who is Henrietta Lacks?
Phase characterized by the division of the cytoplasm.
What is cytokinesis?
This process involved the addition of a phosphate group to a protein that changes its shape and activity.
What is phosphorylation?
Contractions during childbirth is an example of what type of feedback loop?
What is a positive feedback loop?
True or false: Humans have more bacterial cells than human cells.
Name of the hospital that Henrietta Lacks went to to treat her cervical cancer.
What is John Hopkins?
Diploid and haploid cells differ in this way.
What is how many sets of chromosomes they have?
This initiates cell signaling.
What is an interaction between a ligand and a receptor?
Cancer occurs in the body when the body can not control this.
What is regulating cell growth?
Specific type of bacterial communication we talked about with the bacteria Vibrio harveyi.
What is Quroum sensing?
This was the overall objective Dr. Gey was looking for when taking Henrietta's Cells.
What is to establish an immortal cell line?
Phase characterized by sister chromatids separating and moving to opposite ends of the cell.
What is anaphase?
Type of communication where signaling molecules called hormones produce a response in target cells that may be far from the signaling cell.
What is long distance signaling?
Cells must do this to maintain homeostasis in multicellular organisms.
What is communicate?
Bacteria's ability to produce light in the presence of other bacteria is called this.
What is bioluminescence?
Metastasis is a term used to describe this.
What is the spread of cancer cells?
The process where the nucleus divides, resulting in two identical diploid daughter cells.
What is mitosis?
Mast cells release histamine that signals for an inflammatory response in nearby cells is a type of what signaling?
A variable that will cause a response in the body.
What is stimulus?
The reason bacteria wait to initiate their bioluminescence until their numbers are high.
Name one way HeLa cells have contributed to science.
1) Aided in the discovery of the polio vaccine
2) Used to develop treatments for Parkinson’s, HIV, influenza, other cancers, and hemophilia
3) Understand the effects of space travel on the human body