The ________ are the 23rd pair of chromosomes that carry the traits that determine gender

Fill in the blank(s) with correct word


sex chromosomes

Biology & Microbiology

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What technique can be used to determine DNA-protein interactions?

A. Western blotting B. PCR C. DNAse I foot printing D. restriction enzyme analysis

Biology & Microbiology

The cause of infectious mononucleosis is

A. varicella virus. B. Staphylococcus aureus. C. Epstein-Barr virus. D. Francisella tularensis

Biology & Microbiology

Carbon, in the form of carbon dioxide (CO2), enters the atmosphere in several ways. Which of the following is NOT a process by which carbon dioxide enters the atmosphere?

A) cellular respiration of plants B) transpiration by plants C) respiration by oxygen-breathing animals D) burning of fossil fuels, such as coal and oil

Biology & Microbiology

Skeletal muscles

A) are found in and around internal organs. B) get longer when they contract. C) work in antagonistic pairs. D) push on bones to make them move.

Biology & Microbiology