Biology EOC questions 2 - Copied from another published flashcard.
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Biology
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9th Grade
•
Hard
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What is DNA?
Back
DNA (Deoxyribonucleic Acid) is the molecule that carries the genetic instructions for life. It is composed of two strands that coil around each other to form a double helix.
2.
FLASHCARD QUESTION
Front
What is the role of crossing-over in genetics?
Back
Crossing-over is a process during meiosis where homologous chromosomes exchange genetic material, leading to genetic variation in offspring.
3.
FLASHCARD QUESTION
Front
What is predation?
Back
Predation is a biological interaction where one organism (the predator) hunts and eats another organism (the prey). It can affect population dynamics.
4.
FLASHCARD QUESTION
Front
What are the phases of the cell cycle?
Back
The cell cycle consists of interphase (G1, S, G2) and mitotic phase (M), where the cell grows, replicates its DNA, and divides.
5.
FLASHCARD QUESTION
Front
What is Cytarabine and its effect on the cell cycle?
Back
Cytarabine is a chemotherapy drug that primarily affects the S phase of the cell cycle, inhibiting DNA synthesis.
6.
FLASHCARD QUESTION
Front
What is the significance of observable structures in biology?
Back
Observable structures, such as cells and tissues, provide evidence for biological functions and processes, supporting scientific conclusions.
7.
FLASHCARD QUESTION
Front
What is genetic variation?
Back
Genetic variation refers to the differences in DNA sequences among individuals, which can lead to different traits and adaptations.
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