Practice Questions

TLS Online TPP Program

#Question id: 5000

The existence of evolutionary trends, such as increasing body sizes among horse species, is evidence that

#Unit 11. Evolution and Behavior

a larger volume-to-surface area ratio is beneficial to all mammals.
an unseen guiding force is at work.
evolution always tends toward increased complexity or increased size.
in particular environments, similar adaptations can be beneficial in more than one species.

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TLS Online TPP Program

#Question id: 33899

#Unit 2. Cellular Organization

A. In E.coli, a natural closed DNA that is negatively supercoiled.

B. The intercalation of ethidium bromide first removes the negative supercoils and then introduces positive supercoils.

TLS Online TPP Program

#Question id: 8905

#Unit 9. Diversity of Life Forms

Terry saved some of the tooth-like objects within the hagfishʹs round mouth to analyze their composition in his mentorʹs biochemistry research lab. Terry will find that they are composed of the same protein found in reptilian

TLS Online TPP Program

#Question id: 4074

#Unit 3. Fundamental Processes

The promoter sequences of RNA polymerase III-transcribed genes are located

TLS Online TPP Program

#Question id: 23092

#Unit 12. Applied Biology

During which stage of wastewater treatment are methanogenic microbes most important?

TLS Online TPP Program

#Question id: 29073

#Unit 10. Ecological Principles

Given below is an ecological pyramid, which of the following statements about these pyramid is correct: