5 Written Questions
5 Matching Questions
- a Errors in normal signal transduction may alter cellular response.
- b Interactions of subcellular structures, including a repertory of eukaryotic organelles possessing specialized functions, provide essential cellular functions and activities.
- c Cells communicate with each other through direct contact with other cells or from a distance via chemical signaling.
- d Timing and coordination of several events are necessary for the normal development of an organism, and these events require regulation by multiple mechanisms.
- e DNA, and in some cases RNA, is the primary source of heritable information.
5 Multiple Choice Questions
- Global distribution of ecosystems changes substantially over time.
- Mendelian genetics provides a basic understanding of the underlying causes of the pattern traits from parent to offspring.
- Organisms constantly respond to changes in their external environments.
- Growth and dynamic homeostasis is maintained by the constant movement of molecules across membranes.
- A variety of intercellular and intracellular signal transmissions mediate gene expression.
5 True/False Questions
4.A.4. → The subcomponents of a biological polymer and their sequence determine the properties of that polymer.
2.A.3. → Organisms must exchange matter with the environment to grow, reproduce, and maintain organization.
3.C.1 → Changes in genotype can result in changes in phenotype.
2.B.3. → Eukaryotic cells maintain internal membranes that partition the cell into specialized regions.
2.C.1. → Positive feedback mechanisms amplify responses and processes in biological organisms.