In cactus plants, the__________ is the main organ of photosynthesis
a. leaf
b. spine
c. stem
d. flower
e. fruit
C
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The part of the spirochete that houses the cytoplasm and the nucleoid of spirochetes is called the ________ cylinder.
A. cytoplasmic B. ectoplasmic C. mesoplasmic D. protoplasmic
The three types of horizontal gene flow that occur in bacteria are __________, __________, and __________. Fill in the blank(s) with the appropriate word(s)
Fill in the blank(s) with the appropriate word(s).
What are the characteristics of the most highly expressed genes in the ocean? How abundant are they in microbial genomes (across all microbes) and what sorts of metabolic processes are they involved in?
What will be an ideal response?
Which of the following best describes why ice was used during this experiment?
a. To increase the activity of the enzyme b. To retard the breakdown of the catalase c. To purge the solution of excess air trapped during blending d. To slow the catalase molecules to increase the probability of contact with the hydrogen peroxide molecules e. To increase the size of the active site on the enzyme