4022370
Description
Flashcards by Holly Bamford, updated more than 1 year ago
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Created by Holly Bamford
over 9 years ago
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| Question | Answer |
| What makes up a nucleus? | Nuclear pores Nuclear envelope Chromatin Nucleolus Nucleoplasm |
| What are nuclear pores? | holes in the nuclear envelope that allow exchange between the nucleus and cytoplasm |
| What is the nuclear envelope? | the double membrane surrounding the nucleus |
| What are chromatin? | loose form of DNA when the cell is not dividing |
| What is the nucleolus? | A small spherical and dense body within the nucleoplasm produces rRNA used to make ribosomes |
| What is the nuclearplasm? | The jelly like material making up most of the nucleus |
| What is the function of mitochondria? | To perform cellular respiration |
| What is the matrix in the mitochondria? | the interior solution containing enzymes of respiration |
| What is the cristae in the mitochondria? | The highly folded inner membrane -has a large surface area |
| What are the function of ribosomes? | To make proteins |
| What is the function of rough ER? | Protein synthesis and transport |
| What is the function of smooth ER? | Lipid, steroid and carbohydrate synthesis storage and transport |
| What is the function of he Golgi apparatus? | to collect and modify compounds and transport them to were they need to go |
| What are lyosomes and what are there function? | Vesicles which contain digestive enzymes and are used to destroy old or surplus organelles |
| What are vacuoles? | Membrane-bound sacs containing water or a dilute solution of salts and other solutes |
| What is the structure of chloroplasts? | Chloroplast contain folds in the thylakoid membrane which are folded into thylakoid disks which are stacked into piles called granan. These contain chlorophyll and are the site of photosynthesis and ATP synthesis |
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