Chromatin contains DNA, Histones, Nonhistone Proteins and RNA. RNA polymerase is a prominent nonhistone protein

TLS Online TPP Program

#Id: 4691

#Unit 11. Evolution and Behavior

Some cells carry a cheater mutation that makes spores but that avoids contributing to the stalk.

TLS Online TPP Program

#Id: 1928

#Unit 4. Cell Communication and Cell Signaling

Alternative pathway

TLS Online TPP Program

#Id: 7598

#Unit 5. Developmental Biology

The mouse zona pellucida is made of three major glycoproteins—ZP1, ZP2, and ZP3

TLS Online TPP Program

#Id: 9048

#Unit 4. Cell Communication and Cell Signaling

All G protein–coupled receptors contain seven transmembrane α-helical regions (H1–H7). In many GPCRs a short α helix H8 lies parallel to the membrane surface, and a covalently bound palmitic acid group

TLS Online TPP Program

#Id: 7806

#Unit 10. Ecological Principles

TEMPORAL ENVIRONMENTAL VARIATION describes how environmental conditions change over time.