What is the structure that holds the chromatids together?
A. karyotype
B. centromere
C. chromatin
D. chromosomes
E. none of these
Answer: B
You might also like to view...
Viroids
A. are naked (lacking a protein shell) pieces of RNA. B. are naked (lacking a protein shell) pieces of DNA. C. are known to cause neurodegenerative diseases in animals. D. are composed of protein encasing DNA. E. are known to cause neurodegenerative diseases in animals AND are composed of protein encasing DNA.
Magnetoreceptors ____
a. are well characterized and understood b. are known to rely on the mineral magnetite c. have been theorized to help many types of animals navigate huge distances in their annual migrations d. have been studied only in homing pigeons e. have been studied primarily in moths
An individual muscle cell is called a _____
1.fascicle
2.muscle fiber
3.myofibril
4.sarcomere
A gill is indicated by letter
a. A. b. B. c. C. d. D. e. E.