Describe what occurs during prophase of mitosis.
What will be an ideal response?
Chromosomes condense, the nuclear envelope breaks down, centrioles move toward the poles, and kinetochore fibers extend outward from the chromosomes.
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A tRNA that has an amino acid attached is called _____
A. an rRNA B. a degenerate tRNA C. a coding tRNA D. a charged tRNA E. None of the answers are correct
Receptors for polar molecules are found ____ while receptors for nonpolar molecules are located
____.
a. on the cell surface; within the cell b. within the cell; on the cell surface c. on the cell surface; on the nuclear membrane d. on the nuclear membrane; on the cell surface e. on the cell surface; within the membrane interior
A strain of a cereal grain can be either dark tan, medium-dark tan, medium tan, light tan, or cream colored. When a dark tan and a cream plant are crossed, all F1 are medium tan
The F2 are distributed in a ratio of 1:4:6:4:1 from darkest to lightest. How many genes are involved in this coloration?
The genetic code is said to be degenerate. What does that mean?
What will be an ideal response?