COPY: Stem Cells Quiz

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Where are adult stem cells primarily found?

Lungs and liver

Brain and spinal cord

Heart and kidneys

Bone marrow and gonads (correct)

What distinguishes stem cells from progenitor cells?

Progenitor cells can proliferate indefinitely, while stem cells cannot

Stem cells are usually committed to differentiating into one cell type, while progenitor cells are pluripotent

Stem cells can divide indefinitely, while progenitor cells cannot (correct)

Progenitor cells can differentiate into various cell types, while stem cells cannot

What is the developmental stage when roughly 50–150 cells make up the inner cell mass in mammals?

Blastocyst stage (correct)

Fetal stage

Gastrulation stage

Embryonic stage

What do embryonic stem cells become when isolated and cultured in vitro?

Kept in the stem-cell stage Signup and view all the answers

What do adult stem cells differentiate into?

A few cell types or one type of cell Signup and view all the answers

What are the main functions of a stem in a vascular plant?

Support, transport of fluids, storage of nutrients, production of new living tissue Signup and view all the answers

What is the main purpose of the nodes on a stem?

Points of attachment for leaves and can hold one or more leaves Signup and view all the answers

What is the term used to describe fresh plant growth including both stems and other structures like leaves or flowers?

Shoots Signup and view all the answers

Where are stems usually located in most plants?

Above the soil surface Signup and view all the answers

What is the normal lifespan of plant cells in stems?

One to three years Signup and view all the answers

COPY: Stem Cells Quiz

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Questions and Answers

Where are adult stem cells primarily found?

What distinguishes stem cells from progenitor cells?

What is the developmental stage when roughly 50–150 cells make up the inner cell mass in mammals?

What do embryonic stem cells become when isolated and cultured in vitro?

What do adult stem cells differentiate into?

What are the main functions of a stem in a vascular plant?

What is the main purpose of the nodes on a stem?

What is the term used to describe fresh plant growth including both stems and other structures like leaves or flowers?

Where are stems usually located in most plants?

What is the normal lifespan of plant cells in stems?

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