X-Linked Recessive Trait

a. Usually more males than females are affected.

b. Affected sons are usually born to unaffected mothers; thus, the trait skips generations.

c. Approximately half of a carrier (heterozygous) mother’s sons are affected.

d. Never passed from father to son.

e. All daughters of affected fathers are carriers.

TLS Online TPP Program

#Id: 3264

#Unit 3. Fundamental Processes

The oxoG adduct is highly mutagenic because it can base-pair with adenine as well as with cytosine. If it base-pairs with adenine during replication, it gives rise to a G:C to T:A transversion, which is one of the most common mutations found inhuman cancers.

TLS Online TPP Program

#Id: 5427

#Unit 7. System Physiology – Animal

In multiple sclerosis, a crippling autoimmune disease, patchy destruction of myelin occurs in the CNS

TLS Online TPP Program

#Id: 3351

#Unit 6. System Physiology – Plant

The streaming of protons through the F_o pore causes the cylinder of c subunits and the attached ϒ subunit to rotate about the long axis of ϒ, passes through the center of the α₃β₃ spheroid

TLS Online TPP Program

#Id: 8473

#Unit 1. Molecules and their Interaction Relevant to Biology

Beta sheets usually have their B strands either parallel or antiparallel

TLS Online TPP Program

#Id: 5956

#Unit 10. Ecological Principles

Production efficiency It is defined as the percentage of energy assimilated by an organism that becomes incorporated into new biomass.