Alternative or different forms of the same gene are called _____
a. homozygous
b. chromatids
c. alleles
d. homologous
e. karyotypes
ANSWER: c
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A eukaryote cell has all these features except
a. membrane-bound organelles. b. it lacks a nucleus. c. cytosol. d. it is often associated with other cells to form a multi-cellular organism. e. numerous chromosomes.
The two tendons of the biceps attach to ___
a. the clavicle b. the scapula c. the humerus d. the radius e. more than one of these bones
Measure of the average kinetic energy of all the particles in an object
What will be an ideal response?
The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the phase of the cell cycle where the blue arrow is pointing?
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A. At this point in the cycle the cell is determining if environmental conditions are favorable for growth and proliferation. B. At this point in the cell cycle, DNA has already been replicated and divided into two daughter nuclei. C. At this point in the cell cycle, chromosomes have properly aligned on the metaphase plate and are beginning to separate. D. At this point in the cycle the cell is continuing to grow and make abundant tubulin proteins. E. At this point in the cell cycle, the cell has determined that the DNA is intact, that environmental conditions are favorable, and it is preparing for DNA replication.