The phase called ______ is a short period of time of growth and preparation for mitosis. During that time, the cell produces enzymes that control cell division, and also checks and repairs the newly copied DNA.
Fill in the blank(s) with the appropriate word(s).
G2
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Matt is studying how the protein transferrin enters cells. He examines cells that have taken up transferrin, and finds clathrin-coated vesicles. What mechanism was used to take transferrin into the cell?
A. Phagocytosis B. Pinocytosis C. Exocytosis D. Receptor-mediator endocytosis
Which of the following is a product of lactic acid fermentation?
a. yeast b. ATP c. alcohol d. water
Based on modern molecular phylogeny, which of the following is a derived condition within
Lophotrochozoa?
a. acoelomate species b. bilateral symmetry c. tissues d. multicellularity e. schizocoelom
In sweet peas, genes C and P are necessary for
colored flowers. In the absence of either (__ pp or cc __) or both (cc pp), the flowers are white. Give the probable genotype of a plant with colored flowers and a plant with white flowers that produced 38 plants with colored flowers and 42 plants with white flowers. What will be an ideal response?