Prokaryotic cells do not possess DNA.
Answer the following statement true (T) or false (F)
False
All living things possess DNA as the molecule of inheritance. In eukaryotic cells, the DNA is in a separate membrane-bound compartment called the nucleus. Prokaryotes do not possess a nucleus.
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How does the phosphorylation of galactose differ from the phosphorylation of glucose, mannose, and fructose prior to catabolism?
A. Phosphorylation of galactose requires NADPH to phosphorylate galactose-1-phosphate B. Phosphorylation of galactose requires ATP to phosphorylate galactose-1-phosphate C. Phosphorylation of galactose requires PEP (phosphoenolpyruvate) to phosphorylate galactose-1-phosphate D. Phosphorylation of galactose requires UTP to phosphorylate galactose-1-phosphate E. Phosphorylation of galactose requires TTP to phosphorylate galactose-1-phosphate
Complete a sentence starting with the following pairs. For example, "Cell membranes and cell walls are both found in bacteria." Aquaporins and contractile vacuoles. Cell membranes and cell walls. Electrochemical gradient and osmosis
What will be an ideal response?
Which statement best describes a DNA mutation?
a. DNA polymerase adds an incorrect base during replication. b. DNA is damaged by UV irradiation. c. A mistake in DNA sequence is repaired during replication. d. A permanent change occurs in the nucleotide sequence of DNA. e. Proofreading during replication replaces a mismatched nucleotide.
White, narrow-tubular, highly fragrant flowers are most likely pollinated by
a. moths. b. butterflies. c. hummingbirds. d. bees. e. flies.