A virus consists of a DNA or RNA core surrounded by a(n) envelope
____________________ Indicate whether the statement is true or false.
F, capsid
You might also like to view...
The pre-natal period begins with the ____
a. zygote b. blastocyst c. embryo d. fetus e. infant
Probiotics
What will be an ideal response?
Refer to Figure 50-2. The function of the structure labeled 3 is:
a. to secrete an alkaline fluid that neutralizes the acids of the vagina. b. to produce a nutritive fluid for the sperm. c. to provide a place for maturation and storage of sperm. d. to secrete mucus that lubricates the penis. e. None of these.
What is the best explanation for the observation that eukaryotes that seem superficially simple can have much larger genomes (in terms of mass or number of base pairs) than organisms that have complex anatomy, structure, or behavior?
A. Animals with simple body plans are adapted for rapid DNA replication. B. Some organisms have a tremendous amount of noncoding DNA, like repetitive sequences. C. Alternative splicing and overlapping genes are rampant among eukaryotes. D. Simpler organisms require more chemical defenses against enemies. E. DNA in the mitochondria and chloroplasts are not counted in these measurements of genome size.