
QCAA-Biology all topics
Flashcard
•
Biology
•
12th Grade
•
Hard
Tanya Murray
FREE Resource
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50 questions
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1.
FLASHCARD QUESTION
Front
What is the structure of DNA?
Back
Double-stranded molecule
2.
FLASHCARD QUESTION
Front
Which enzyme is involved in the unwinding of the double helix during DNA replication?
Back
Helicase
3.
FLASHCARD QUESTION
Front
What type of bonds exist between DNA strands?
Back
Weak, base-specific hydrogen bonds
4.
FLASHCARD QUESTION
Front
What is the role of homologous chromosomes during meiosis?
Back
They are involved in the process of crossing over and recombination
5.
FLASHCARD QUESTION
Front
What is the difference between spermatogenesis and oogenesis?
Back
Spermatogenesis produces haploid cells, and oogenesis produces haploid cells
6.
FLASHCARD QUESTION
Front
What is the significance of independent assortment and random fertilization?
Back
They increase genetic variation in the genotype of offspring
7.
FLASHCARD QUESTION
Front
What are the two types of DNA mentioned in the learning material?
Back
Coding and noncoding DNA
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