In the cell cycle, the G1 phase represents ____
a. the stage of DNA synthesis
b. splitting of the chromosomes into chromatids
c. a period of growth
d. the stage of actual cell division
e. the stage just prior to meiosis
c
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A technique called the ____________________ has revolutionized molecular biology because it is not as labor intensive or time consuming as DNA cloning techniques
Fill in the blank(s) with correct word
You are a botanist who is immersed in your attempt to increase a certain property in your plant of study. To that end, you induce a mutation that doubles the amount of vascular cambium (a type of meristem) in your plant. Assuming this brings the desired effect, what exactly was the property that you sought to increase?
A. Production of new growth at the tip of stems. B. Production of secondary xylem and phloem. C. Production of only xylem to make wood. D. Production of bark only. E. Production of new leaves.
Sometimes the most abundant color form of an animal is preyed upon more extensively than less common forms. This
illustrates the phenomenon of ____ selection.
a. stabilizing b. directional c. disruptive d. frequency-dependent e. artificial
Thylakoids are structures associated with the ____________ of chloroplasts
a. pigments b. stroma c. grana d. cristae