Practice Questions

TLS Online TPP Program

#Question id: 4658

Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same function. Which information would best help distinguish between an explanation based on homology versus one based on convergent evolution?

#Unit 11. Evolution and Behavior

The two species live at great distance from each other.
The two species share many proteins in common, and the nucleotide sequences that code for these proteins are almost identical.
The sizes of the structures in adult members of both species are similar in size.
Both species are well adapted to their particular environments.

More Questions

TLS Online TPP Program

#Question id: 4423

#Unit 1. Molecules and their Interaction Relevant to Biology

Each repeat unit within the nuclear ribosomal gene cluster of eukaryotes (rDNA) contains

TLS Online TPP Program

#Question id: 1263

#Unit 4. Cell Communication and Cell Signaling

The major classes of CAMs include

a. cadherins. b. fibronectin. c. Ig-superfamily CAMs. d. P-selectins.

TLS Online TPP Program

#Question id: 1571

#Unit 4. Cell Communication and Cell Signaling

Double-stranded RNA (dsRNA) recognize by

TLS Online TPP Program

#Question id: 943

#Unit 1. Molecules and their Interaction Relevant to Biology

An amino acid formed by transamination of a citric acid cycle intermediate is ________.

TLS Online TPP Program

#Question id: 26509

#Unit 3. Fundamental Processes

How many introns are their in pre-tRNA transcript