What is a mutation in DNA?
Biology Flashcard

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A mutation is a change in the DNA sequence that can lead to variations in traits.
2.
FLASHCARD QUESTION
Front
What is the role of DNA in living organisms?
Back
DNA contains the genetic instructions for the development, functioning, growth, and reproduction of all known organisms.
3.
FLASHCARD QUESTION
Front
What is organic evolution?
Back
Organic evolution refers to the process by which species change over time through genetic variation and natural selection.
4.
FLASHCARD QUESTION
Front
What evidence supports the theory of evolution?
Back
Similarities in DNA, protein structures, and anatomical features among different species provide evidence for evolution.
5.
FLASHCARD QUESTION
Front
What is the significance of ribosomes in cells?
Back
Ribosomes are the cellular structures responsible for protein synthesis.
6.
FLASHCARD QUESTION
Front
What are the four types of nucleotide bases in DNA?
Back
The four types of nucleotide bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).
7.
FLASHCARD QUESTION
Front
What is the difference between DNA and RNA?
Back
DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil instead of thymine.
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