Practice Jan 2025
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is meiosis?
Back
Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the production of gametes (sperm and eggs) with half the genetic material of the parent cell.
2.
FLASHCARD QUESTION
Front
Why is meiosis important for reproduction?
Back
Meiosis is crucial for sexual reproduction as it ensures that offspring have the correct number of chromosomes, combining genetic material from both parents.
3.
FLASHCARD QUESTION
Front
What is the role of gametes in human reproduction?
Back
Gametes are specialized reproductive cells (sperm and eggs) that carry half the genetic information needed to form a zygote.
4.
FLASHCARD QUESTION
Front
What is the function of mitochondria in cells?
Back
Mitochondria are the powerhouse of the cell, providing energy (ATP) through cellular respiration.
5.
FLASHCARD QUESTION
Front
What is the difference between mitosis and meiosis?
Back
Mitosis results in two identical daughter cells for growth and repair, while meiosis produces four genetically diverse gametes for reproduction.
6.
FLASHCARD QUESTION
Front
What is DNA and its role in cells?
Back
DNA (deoxyribonucleic acid) contains the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms.
7.
FLASHCARD QUESTION
Front
What happens to energy as it moves up an energy pyramid?
Back
As energy moves up an energy pyramid, it decreases due to energy loss as heat and the inefficiency of energy transfer between trophic levels.
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