Testudines is the order that includes all of the shelled reptiles, such as turtles. The dorsal shell is called the carapace. What is the ventral shell of a turtle called?
a. plastron
b. scutes
c. belly shell
d. gastroplatus
a. plastron
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In what general way are regulons regulated?
A) Regulons can be under both positive or negative control. B) Regulons are under negative control exclusively. C) Regulons are under positive control exclusively. D) Global regulation of regulons depends on the regulatory guidance of RNA polymerase II. E) Regulons are regulated by feedback translation loops.
The term polymorphism refers to the phenomenon that a trait displays variation within a population. Which of the following is an example of polymorphic trait in a population?
A. The A, B, O blood types found in humans. B. The loss of hair in elderly animals that are malnourished. C. The pink or white flowers of the four o'clock flower, both pink and white individuals are prevalent. D. Both the A,B,O blood types in humans and the pink and white flowers of the four o'clocks. E. Both the A,B,O blood types in humans and the loss of hair in elderly animals that are malnourished.
During anaphase, homologous chromosomes separate.
a. true b. false
Destruction of all microbial life
A. Sterilization B. Disinfection C. Decontamination D. Antisepsis