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7th grade
DNA Study Stack
| Question | Answer |
|---|---|
| What does DNA do? | Stores and transmits genetic information to the cell |
| DNA is composed of _________ | Nucleotides |
| Nucleotides are composed of three parts: ____, _____, and _____. | 1. deoxyribose (sugar) 2. phosphate group (P) 3. nitrogen-containing base |
| The four nitrogen-containing bases for DNA are: | 1. Adenine (A) 2. Guanine (G) 3. Cytosine (C) 4. Thymine (T) |
| Adenine pairs with _________. | Thymine |
| Cytosine pairs with ___________. | Guanine |
| Who built the first DNA model? | Watson and Crick |
| ______ are the building blocks and repair parts of the cell. | Proteins |
| Ribosomes are made in the __________. | nucleolus |
| Where is the DNA in the cell? | In the nucleus |
| Females have ________ chromosomes. | XX |
| Males have _______ chromosomes. | XY |
| What is the complementary DNA strand for: A-C-T-G-C-T-A | T-G-A-C-G-A-T |
| A ___________ is any change to a gene code. | mutation |
| A __________ is the shape of a DNA strand. | double helix |
| The sides of the DNA are made of _________ and ________. | phosphate and deoxyribose |
| What are the rungs of a DNA strand made of? | bases |
| ______________ ______________ is when humans pick mates for their offspring. | selective breeding |
| When you build and design gene codes you are performing _____________________. | genetic engineering |
| Making a copy of an organism is called __________. | cloning |
Created by:
Mrs. Corey
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