Question

Morphogens are a. molecules that disrupt normal development. b. molecules that convey positional information and promote changes in development. c. mutagenic agents that cause apoptosis. d. receptors that allow cells to adhere to the extracellular matrix. e. both a and c.

Name: Problem 4, Chapter 19: Biology
Uploaded: 2021-06-15T17:25:53-08:00
Duration: 1 min 15 s
Channel: Christina Sorrentino
Description: Morphogens are a. molecules that disrupt normal development. b. molecules that convey positional information and promote changes in development. c. mutagenic agents that cause apoptosis. d. receptors that allow cells to adhere to the extracellular matrix. e. both a and c.

   Morphogens are
a. molecules that disrupt normal development.
b. molecules that convey positional information and promote changes in development.
c. mutagenic agents that cause apoptosis.
d. receptors that allow cells to adhere to the extracellular matrix.
e. both a and c.

Biology

Eric P. Widmaier;… 4th Edition

Chapter 19, Problem 4

Instant Answer

Solved by Expert Christina Sorrentino

06/15/2021

Step 1

Morphogens are a type of molecule in embryonic development that stimulate cell differentiation and development. They diffuse forming a concentration gradient and have different effects on the cells of the developing embryo depending on their concentration. Show more…

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Morphogens are a. molecules that disrupt normal development. b. molecules that convey positional information and promote changes in development. c. mutagenic agents that cause apoptosis. d. receptors that allow cells to adhere to the extracellular matrix. e. both a and c.

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Key Concepts

Morphogens

Morphogens are secreted signaling molecules that form gradients across developing tissues. They play a crucial role in developmental biology by providing positional information—cells interpret their local morphogen concentration to determine their developmental fate. This mechanism is fundamental for the spatial organization of cells and proper tissue formation.

Positional Information

Positional information refers to the cues that guide cells on where they are within a developing embryo. It is often supplied by morphogens, whose graded distribution imparts distinct developmental instructions based on concentration, thereby orchestrating cell differentiation and tissue patterning.

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