____ relieves the tension on the double helix during DNA replication

Fill in the blank with the appropriate word.


Topoisomerase

Biology & Microbiology

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Lignified, tube-like structures that branch throughout the body of some plants, conducting water and solutes, are called

____.

a. vascular tissues b. apical meristems c. root systems d. rhizomes e. shoot systems

Biology & Microbiology

Which country does NOT have large deforestation issues?

a. Brazil b. Indonesia c. Colombia d. Mexico e. Australia

Biology & Microbiology

The ________ is the innermost layer of the eye that is lined with almost a quarter-billion photoreceptors

Fill in the blank(s) with correct word

Biology & Microbiology

Defending the body against bacterial infection and invasion by foreign substances is a function of

a. red blood cells b. plasma c. platelets d. white blood cells

Biology & Microbiology