Crossing over occurs at the four-strand stage when two homologous chromosomes, each consisting of a pair of sister chromatids, are paired. Each crossover involves just two of the four strands and generates two recombinant strands.
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The answer is glucose and oxygen.
Answer:
Carbohydrates are important macromolecules that consist of carbon, hydrogen, and oxygen. They are organic compounds organized in the form of aldehydes or ketones with multiple hydroxyl groups coming off the carbon chain.
Explanation:
The could have snuck away on a ship, as they are very sneaky
11. C
12. A
13. B
16 and 17. Dont know sorry
