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Study Stack #1
Midterm-Physiology
| Question | Answer |
|---|---|
| What controls and regulates the activities of the cell (e.g., growth and metabolism), carries the genes, and structures that contain the hereditary information? | nucleus |
| What can provide the site for protein synthesis? | ribosomes |
| Which organelle in the cell contains enzymes for digesting most cellular substances to their basic form, such as amino acids, fatty acids, and carbohydrates (sugars). | lysosomes |
| what is the powerhouse of the cell, organelle that is the site of ATP (energy) production | mitochondria |
| What kind of adaptive cellular mechanism causes an increase in cell number | hyperplasia |
| what kind of adaptive cellular mechanisms cause reversible replacement of one mature cell type by another, less mature cell type or a change in cell phenotype | metaplasia |
| what is considered an alteration to genetic material? | mutation |
| The composition of genes at a given locus | genotype |
| What are different forms of a gene | allele |
| DNA segments that serve as the key functional units in hereditary transmission | genes |
| Caused by the failure of cells to receive or use oxygen. Deprivation of oxygen may be partial (hypoxia) or total (anoxia) | asphyxiation |