When a eukaryotic cell is not undergoing mitosis, the DNA and its associated proteins appear as a visible thread-like mass called the
A. nucleolus.
B. chromatin.
C. nucleoplasm.
D. nuclear envelope.
E. nucleosome.
Answer: B
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A flower's _____ has one or more ovaries in which eggs develop, fertilization occurs, and seeds mature
a. pollen sac c. receptacle b. carpel d. sepal
The ____ belongs to the same protostome clade as mollusks and annelids.
A. Cnidaria B. Platyhelminthes C. Crustacea D. Arthropoda E. Nematoda
Which statement is CORRECT concerning animal viruses?
a. Enveloped viruses are surrounded by a lipid and carbohydrate coat, which is made from the host cell's mitochondria. b. The genome of animal viruses is always single-stranded. c. Capsid proteins are produced in the nucleus. d. Retroviruses use an enzyme called reverse transcriptase, which synthesizes DNA by copying RNA.
A(n) (catalyst/enzyme) is any molecule that speeds up a chemical reaction
What will be an ideal response?