Animal Development - Biology The Unity Diversity | Biology+

Course

Introductory Biology

Study Pack

Set 1: Invitation to Biology

Set 2: Life's Chemical Bases

Set 3: Molecules of Life

Set 4: Cell Structure

Set 5: Ground Rules of Metabolism

Set 6: Where it Starts—Photosynthesis

Set 7: How Cells Release Chemical Energy

Set 8: DNA Structure and Function

Set 9: From DNA to Protein

Set 10: Control of Gene Expression

Set 11: How Cells Reproduce

Set 12: Meiosis and Sexual Reproduction

Set 13: Observing Patterns in Inherited Traits

Set 14: Chromosomes and Human Inheritance

Set 15: Studying and Manipulating Genomes

Set 16: Evidence of Evolution

Set 17: Processes of Evolution

Set 18: Organizing Information about Species

Set 19: Life's Origin and Early Evolution

Set 20: Viruses, Bacteria, and Archaea

Set 21: Protists: The Simplest Eukaryotes

Set 22: The Land Plants

Set 24: Animal Evolution: The Invertebrates

Set 25: Animal Evolution: The Chordates

Set 26: Human Evolution

Set 27: Plant Tissues

Set 28: Plant Nutrition and Transport

Set 29: Life Cycles of Flowering Plants

Set 30: Communication Strategies in Plants

Set 31: Animal Tissues and Organ Systems

Set 32: Neural Control

Set 33: Sensory Perception

Set 34: Endocrine Control

Set 35: Structural Support and Movement

Set 36: Circulation

Set 37: Immunity

Set 38: Respiration

Set 39: Digestion and Nutrition

Set 40: Maintaining the Internal Environment

Set 41: Animal Reproductive System

Set 42: Animal Development

Set 43: Animal Behavior

Set 44: Population Ecology

Set 45: Community Ecology

Set 46: Ecosystems

Set 47: The Biosphere

Set 48: Human Impacts on the Biosphere

Set 42 Animal Development

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Set 42 Animal Development

(Multiple Choice)

Free

Four of the following are characteristic of morphogens.Which one is the exception?

A) They are long-range signals in pattern formation.
B) They are encoded by master genes.
C) They affect gene splicing.
D) Their concentration decreases with distance from source.
E) They affect development.

Answer

(Multiple Choice)

Free

Which embryonic tissue is incorrectly associated with its derivative?

A) Skin; ectoderm
B) Nervous system; ectoderm
C) Liver; endoderm
D) Circulatory system; mesoderm
E) Brain; mesoderm

Answer

(Multiple Choice)

Free

The zygote goes through ____ to become a(n)____.

A) cleavage; blastula
B) cleavage; gastrula
C) zygote formation; embryo
D) cleavage; egg
E) fertilization; blastula

Answer