T. B. 3B
2.3 : Carbon-Based Molecules
Carbon Atoms Have Unique Bonding Properties
Carbon atoms are the basis of most molecules that make up living things
Carbon atoms carry out most of the processes that keep organisms ali
Cells Have An Internal Structure
Eukaryotic cells are highly organized
Eukaryotic cells are surrounded by a protective membrane that receives
messages from other cells
Cytoskeleton is made of small protein subunits that
o Biology- the study of living things (organisms).
Characteristics of Life
1. Responsiveness- reacts appropriately to stimuli or changes in the environment
2. Metabolism- chemical processes/reactions in organisms cells
Is there anything we need to do?
Stance: Invertebrates should be used in research.
Invertebrate animals have been used as medicinals for 4,000 years and have served as
models for research and teaching since the late 1800s. The use of animals