In a cell that has a diploid number of 8 chromosomes, how many chromatids will be present at the beginning of mitosis?
A. 8
B. 16
C. 32
D. 4
E. 2
Answer: B
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Which list represents the hierarchy of muscle structure from the largest unit to the smallest?
a. muscle fiber ? myofibril ? sarcomere ? filaments b. myofibril ? muscle fiber ? sarcomere ? filaments c. sarcomere ? myofibril ? filaments ? muscle fiber d. muscle fiber ? sarcomere ? myofibril ? filaments e. muscle fiber ? filaments ? myofibril ? sarcomere
Compare how energy and matter flow in an ecosystem and relate this flow to the laws of thermodynamics and matter conservation
What will be an ideal response?
A buildup of H+ in the blood will lead to ____
a. alkalosis b. acidosis c. excess calcium d. excess carbon dioxide e. a higher than normal pH
The humoral immune system involves cells in the immune system.
a. true b. false