Three estrogens are present in the plasma of the human female:

1. β-estradiol

2. Estrone

3. Estriol

TLS Online TPP Program

#Id: 8987

#Unit 11. Evolution and Behavior

Allele frequency when genotype frequency is given

TLS Online TPP Program

#Id: 5804

#Unit 7. System Physiology – Animal

Hypothyroidism Autoimmune thyroiditis TSH deficiency

I- deficiency

TLS Online TPP Program

#Id: 6343

#Unit 8. Inheritance Biology

X-Linked Color Blindness in Humans 

The human eye perceives color through light-sensing cone cells that line the retina.  Each cone cell contains one of three pigments capable of absorbing light of a particular wavelength: one absorbs blue light, a second absorbs red light, and a third absorbs green light.

TLS Online TPP Program

#Id: 1765

#Unit 4. Cell Communication and Cell Signaling

The possibility of damage from self-reactive lymphocytes is further limited by the life span of activated lymphocytes, which is regulated by programs that induce cell death (apoptosis).

TLS Online TPP Program

#Id: 4840

#Unit 13. Methods in Biology

A type II error appears when the null hypothesis is false but mistakenly fails to be refused.