Some complex viruses have icosahedral symmetry in the head region and helical symmetry in the tail. Overall, these viruses are said to have ________ symmetry.

A. radial
B. binal
C. complex
D. bilateral


Answer: B

Biology & Microbiology

You might also like to view...

Most fossil fuels mined from the sea are mined in coastal areas that make up part of the continental shelf. Very little exploration for fossil fuels is done in the deep sea. What are some reasons for this?

What will be an ideal response?

Biology & Microbiology

The parasite that causes African sleeping sickness is transmitted through the bite of a mosquito

Indicate whether the statement is true or false.

Biology & Microbiology

The atomic number is determined by the number of ____

a. protons b. neutrons c. electrons d. protons plus neutrons e. protons plus electrons

Biology & Microbiology

Which of the following is not true of measles?

A. It causes cell membranes to fuse to form syncytia. B. It is a single-stranded nonenveloped RNA virus. C. Its causative agent is a member of the Morbillivirus genus. D. It is transmitted by respiratory droplets. E. It is in the Paramyxovirus family.

Biology & Microbiology