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TLS Online TPP Program

#Question id: 9263

These data would support which of the following conclusions?

#Unit 9. Diversity of Life Forms
  1. Eukaryotes share a more recent common ancestor with bacteria than with archaea.
  2. Bacteria are the only one of the three groups that lacks a nucleus.
  3. Archaea are more similar to bacteria than to eukaryotes.
  4. Eukaryotes are more similar to archaea than to bacteria.
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TLS Online TPP Program

#Question id: 31110

#Unit 2. Cellular Organization

To nucleate the assembly of unbranched actin filaments, Arp2/3 requires:
a) PIP2
b) NPF
c) Cdc42
d) Act A
TLS Online TPP Program

#Question id: 23254

#Unit 13. Methods in Biology

FISH or GISH is used to _____ and ______ the presence or absence of specific DNA sequences on chromosomes.
TLS Online TPP Program

#Question id: 10880

#Unit 10. Ecological Principles

Which marine zone would have the lowest rates of primary productivity (photosynthesis)?
TLS Online TPP Program

#Question id: 33526

#Unit 2. Cellular Organization

The number of protein-coding genes is less than the number of potential polypeptides that can result in several polypeptides from the same gene because of mechanisms 
A. alternative splicing
B. alternate promoter selection, 
C. alternate poly(A) site selection
D. Number of Introns in the gene
TLS Online TPP Program

#Question id: 2572

#Unit 2. Cellular Organization

If animals had alternation of generations like plants, ________.