The DNA molecule of a eukaryotic chromosome has a single replication origin.

a. true
b. false


Answer: b. false

Biology & Microbiology

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In the capillaries of the lungs, O2 diffuses ________ and is bound to ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Reptiles can maintain their internal body temperature by  

A.  behavioral mechanisms. B.  drinking warm or cool water. C.  eating and oxidizing more food. D.  an effective insulating covering. E.  rerouting blood to distribute heat.

Biology & Microbiology

The protein molecules on the surface of the P. aeruginosa bacteria are __________

a. antibodies b. antigens c. histamines d. capsids

Biology & Microbiology

Mi mindfulness turns off the __________ and, as a result, facilitates relaxation, reduces stress hormones, and boosts the immune system.

Fill in the blank(s) with correct word

Biology & Microbiology