DNA helicase enzymes move in what direction along the DNA during DNA replication?
A. 5' to 3'
B. 3' to 5'
C. They remain stationary
A
Biology & Microbiology
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Compared to the sunflowers, birch trees are:
A. r-selected. B. K-selected. C. less competitive. D. All of the responses are correct. E. None of the responses is correct.
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Chromatin consists of ____
a. only DNA b. DNA and RNA c. RNA only d. DNA and associated proteins e. proteins only in the nucleus
Biology & Microbiology
It is thought that half or more cancers have a mutated or missing ____
a. pre-oncogenes b. haploid genes c. post-oncogenes d. p53 gene e. BRCA1 gene
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Senses whose receptors are in the skin, muscles, joints, or viscera are called _______ senses.
Fill in the blank(s) with correct word
Biology & Microbiology