Pre-AP Bio Final
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36 terms
Terms | Definitions |
|---|---|
 Active Transport | Movement of molecules across a membrane requiring energy to be extended by the cell |
| Cell Membrane | Barrier for the cell. It specializes in letting certain molecules in and out of the cell. It also keeps other materials from every getting in. |
| Cell Wall | Protects the cell from external elements. Gives it definite shape and form. Allows certain substances in or out. |
| Codominance | The heterozygous of this type of inheritance will show both traits |
| Cytoskeleton | A network of fibers that adds support to the cell and give it size and shape. |
| DNA | This contains the genetic information of the cell |
| Dominant | Trait that shows the phenotype if one or two alleles are present |
| Endoplasmic Reticulum | This organelle transfers molecules from one part of the cell to another part. |
| Eukaryotic cells | Cells with a nucleus |
| False | 23: T OR F? There are 46 chromosomes in each human cell after meiosis is complete |
| False | centromere: T OR F? The CENTRIOLE is what holds the sister chromatids together |
| False | Interpahse: T OR F? Cells spend most of their time in this METAPHASE |
| False | Interphase: T OR F? Cells become diploid during PROPHASE II |
| False | Metaphase II: T OR F? Crossing over occurs during ANAPHASE II |
| False | similiar: T OR F? The purpose of mitosis is to create two genetically DIFFERENT cells. |
| Genotype | Letters that represent the alleles present |
| Golgi Apparatus | This receives molecules from different parts of the cell. It will then package them up and send them to new locations in and out of the cell. |
| Heterozygous | Having different alleles for a trait |
| Homozygous | Having the same alleles for a trait |
| Lysosome | This is the organelle that disposes of waste or invaders |
| Mitochondria | This is the organelle that converts energy from food into energy that is unusual within the cell. It is the energy making factory in the cell. |
| Nucleus | The control center of the cell |
| Passive Transport | Diffusion across a membrane requiring only the random motion of molecules with no energy by the cell |
| Phenotype | Physical traits |
| Prokaryotic cells | Cells with no nucleus |
| Recessive | Needs two alleles in order to show the phenotype |
| Ribosome | This is the place that assembles proteins in the cell |
| Three | Number of phenotypes present in co-dominant and intermediate inheritance |
| True | T OR F? Homologous chromosomes are genetically IDENTICAL. |
| True | T OR F? Sister chromatids are genetically identical |
| True | T OR F? Cells are haploid throughout mitosis |
| True | T OR F? The purpose of meiosis is to create genetically different cells to be used for REPRODUCTION |
| Vacuole | The is a storage area for the cell, which usually stores food, water, wastes, and other materials |
| X Chromosome | Most sex-linked traits are found on this chromosome |
| Mendel | This scientist is considered the father of genetics |
| 3 | Number of phenotypes present in codominant and intermediate inheritance |
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