Chromatin is
A. immature nucleoplasm.
B. a cytoplasmic organelle.
C. the arrangement of proteins.
D. uncoiled DNA of a chromosome.
D. uncoiled DNA of a chromosome.
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Answer the following questions true (T) or false (F)
1. Dikaryotic cells of a fungus contain diploid nuclei. 2. Spores are reproductive cells of a fungus. 3. Nearly all fungi reproduce using mushrooms as their reproductive structure.
Consider this summarized chemical reaction for aerobic cellular respiration: C6H12O6 + 6 O2 + 38 ADP + 38 PO32- ? 6 CO2 + 6 H2O + 38 ATP What would be different in a summarized chemical reaction for anaerobic cellular respiration?
A) The oxygen would be replaced by a different inorganic compound. B) The numbers of ADP, PO32-, and ATP used / generated would be different and the oxygen would be replaced by a different inorganic compound and the water would be replaced by a different reduced product. C) The water would be replaced by a different reduced product. D) The numbers of ADP, PO32-, and ATP used / generated would be different. E) The oxygen would be replaced by a different inorganic compound and the water would be replaced by a different reduced product.
Which of the following molecules is made up of codons?
a. mRNA b. DNA c. tRNA d. ribosome
According to cell theory, ____
a. all organisms are multicellular b. all cells come from preexisting cells c. DNA is the structural and functional unit of life d. all cells are approximately the same size e. proteins are the genetic material of cells