The cellular machinery that replicates DNA inserts an incorrect base
a. roughly once in every 10 million bases
b. roughly once in every million bases
c. most of the time
d. about half the time
Ans: a. roughly once in every 10 million bases
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All tissues and organs of an adult animal arise from
three primary tissue layers, or germ layers that form in early embryos: __________, __________, and __________ into blood. Fill in the blank(s) with the appropriate word(s).
Despite the fact that skin-to-skin contact is important in establishing bonding between babies and their caregivers, that same contact can also expose them to pathogens. You have been asked to teach a short class for child care workers to help them identify highly contagious diseases that can cause outbreaks in their environment. Which two of these conditions are most common and most infectious in babies?
A. Impetigo and ringworm B. Ringworm and hand, foot, and mouth disease C. Impetigo and cellulitis D. Conjunctivitis and rubella E. Impetigo and conjunctivitis
Unlike Mitosis, Meiosis produces daughter cells could be genetically different from each other. Which mechanism(s) are responsible for this outcome?
A. DNA Recombination B. Chromatid Separation C. Independent Assortment D. Both A and B E. Both B and C F. Both A and C
What evidence do you have that your transfers were successful?
What will be an ideal response?