Organelles
Stem Cells
Ethics
Vocabulary
Random
100
organized or specialized structures within a cell
organelle
100
What is a stem cell?
an unspecified cell that can develop into nearly any type of body cell
100
Why do some people think it's unethical to use embryonic stem cells?
Embryonic stem cells come from human embryos, which need to stop developing, or die, in order to harvest the cells.
100
What is a cell?
the smallest unit of life
100
Name three organelles.
answers may vary
200
This organelle is the cell's control center and contains DNA.
nucleus
200
How can scientists use stem cells?
Stem cells can be used in medical treatments.
200
Why do some people think it's more ethical to use stem cells found in umbilical cord blood than those found in embryos?
Every baby is born with an umbilical cord, which is usually discarded as medical waste.
200
What is an organism?
any living thing (plant, animal, bacteria)
200
About how many babies are born every year?
100 million
300
This organelle allows plants to make food using sunlight and carbon dioxide.
chloroplast
300
Name three places where scientists have found stem cells.
embryos, umbilical cord blood, and some adult tissues
300
Describe public cord blood banking.
Public cord banking is free for donors. Also, the stem cells are available to all, rather than just family members.
300
What is an embryo?
a baby in very early stages of development
300
What are the processes by which materials move in and out of a cell?
osmosis and diffusion
400
This organelle surrounds the cell, provides protection, and controls what enters and leaves.
cell membrane
400
Name three conditions mentioned in the text that could be treated using stem cells.
broken bones, spinal cord injuries, burns, brain damage, stroke, arthritis, diabetes, cancer.
400
Describe private cord blood banking.
Private cord blood banking is a service with an annual fee. Also, the stem cells are only available to, and controlled by, the owner.
400
What is a trait?
a genetic characteristic that is determined by your DNA
400
What are two organelles that a plant cell has that an animal cell does not?
cell wall, chloroplasts
500
These organelels are bubbles that store things for when needed.
vacuoles
500
Why are embryonic stem cells more useful than stem cells found in adults?
Embryonic stem cells can develop into almost any type of body cell, whereas stem cells found in adults are more limited.
500
Give one argument for private cord blood banking and one argument for public cord blood banking.
answers may vary
500
What is ethics?
the question of what is right and wrong to a certain group of people
500
How long does a human baby gestate? (live and grow inside its mom)
9 months
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