What phase of the bacterial growth curve represents best, fastest growth
What will be an ideal response?
exponential (log) phase
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Which of the following is NOT a common step in creating a genomic library?
A) Fragment DNA into small segments. B) Hybridize DNA sequences to form inserts of a target size range. C) Ligate DNA into vectors. D) Transform the vectors into a host.
If Charles wanted to know which fertilizer will make his tomatoes grow best, what would Charles want his independent variable to be for his experiment?
a. Charles should change the time of day he measures his tomatoes. b. Charles should change the amount of water he gives his tomatoes. c. Charles should change the type of fertilizer he gives his tomatoes. d. Charles should change when he harvests the tomatoes.
Which of the following is false concerning the atom
in the figure? a. The number of protons and the number of electrons are equal. b. It has an atomic mass of 4. c. Electrons are moving around the nucleus. d. It has an atomic number of 2. e. The number of electrons exceeds the number of protons.
Darwin was the first person to draw an evolutionary tree, a diagram that represents
A) records of breeding in domesticated animals. B) records of lineages in humans (also known as a family tree). C) evidence-based hypotheses regarding our understanding of patterns of evolutionary descent. D) groupings of organisms based on overall similarity.