16761433
Description
Flashcards by Kimia mansouri, updated more than 1 year ago
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Created by Kimia mansouri
almost 6 years ago
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| Question | Answer |
| Name the three major functions of DNA | 1. DNA controls cellular activities including reproduction 2. DNA makes copies of itself to pass on other cells, replication. 3. DNA undergoes Mutations |
| Each Nucleotide is composed of: | 1. A Pentose (5 Carbon) sugar 2. A Phosphate group 3. Nitrogenous Bases |
| Classify bases into two types and describe them. | 1. Purines: Have a double ring structure 2. Pyrimidines: Have a single ring structure |
| Name the Purine bases |
Adenine
&
Guanine
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| Name the Pyrimidine bases. |
Thymine
Cytosine
Uracil
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Mobile upload (image/jpeg)
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| What are Genes? | Genes are units of inheritance that can control particular characteristics of an organisms. Genes are segments of DNA found on Chromosomes. |
| What are the functions of genes? | 1. Genes control cellular chemical reactions by directing the formation of enzymes 2. Genes always occur in pairs. Half of each person’s genes come from the mother and the other half from the father |
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