Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the cell cycle? | The main series of events that takes place that results in DNA replication.
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| What are the two main stages of the cell cycle. Describe each! | 1. Interphase - cell grows + replicates DNA
2. Mitotic phase - cell divides + transfers DNA to daughter cell
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| Interphase is split into 3 parts name each and describe what happens during each phase. |
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| 1. G1- duplicates organelles and centrosomes
2. S Phase - DNA replication
3. G2- finish duplication
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| The mitotic phase is split into 5 phases list the 5 phases. | 1.prophase
2. Metaphase
3. Anaphase
4. Telephase
5. Cytokenesis
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| Describe prophase | Chromatin turns into chromosomes.
Nuclear membrane disappears.
Centrioles desperate and spindle fibers are formed.
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| Describe metaphase. | Chromosomes line up at the middle
Chromosomes are attached to spindle fibers.
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| Describe anaphase. | The sister chromatids(chromosome= 2 sister chromatids) are pulled to opposite sides of the cell.
Each separated part is now called a daughter chromosome.
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| Describe telephase. | Nuclear membrane reforms around daughter chromosomes.
Daughter chromosomes uncoil to reform chromatin.
The cell begins to divide.
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| Describe cytokinesis. | The cell finally divides into two separate cells.
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| What information does a chromatid contain? | DNA
Chromosomes
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| How many chromatids are found in a single chromosome? | 2 sister chromatids
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| What part of the cell allows the cell to maintain homeostasis? | The cell membrane.
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| Which type of transport requires energy? | Active transport
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| Which type of cell transport doesn't require energy? | Passive
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| What does it mean to move down a concentration gradient? | Moving a molecule from high to low concentration. (Diffusion)
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| What is osmosis? | Diffusion of water due to differences in concentration. **Ratio of particles:water is made equal**
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| Explain the direction of water flow if a red blood cell were placed in the following solution: HYPERtonic solution | Concentrated-Liquid goes out of the cell because the solution is a higher concentration outside the cell.
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| Explain the direction of water flow if a red blood cell were placed in the following solution: HYPOtonic solution | The cell soaks up the liquid solution because it's a lower concentration outside the cell.
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| Explain the direction of water flow if a red blood cell were placed in the following solution: Isotonic solution | Concentration is = inside + outside of the cell.
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| Which solution is best for the cell? | Isotonic solution
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| Which solution results in water LEAVING the cell? | Hypertonic
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| Which solution results in water ENTERING the cell? | HYPOtonic
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| What are the two requires for active transport? | Proteins
Energy
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| What are the two types of vesicle transport? | Exocytosis- exits cell
Endocytosis- enters cell
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| Which type of cessicle transport is used for molecules exiting the cell? | Exocytosis
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| What is one example of active transport? | Electron transport chain
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| What are the two types of endocytosis? | Pinocytosis
Phagocytosis
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| During active transport, molecules move _______ the concentration gradient twoard the are of ____ concentration. This is the ______ of diffusion. | Against, high, opposite
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| Can molecules positively or negatively charged freely pass through the cell? | NO!!!!
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| Cenrisome = ______ | Centriole
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