Examlex
The rete testis refers to a group of highly branched blood vessels that serve the interior of the testes.
Protein-First Hypothesis
In chemical evolution, the proposal that protein originated before other macromolecules and made possible the formation of protocells.
RNA World
A hypothetical early stage in the evolution of life, where RNA served as both genetic information and as a catalyst for chemical reactions.
Enzymes
Biological catalysts that speed up chemical reactions in living organisms without being consumed in the process.
Spontaneous Generation
Spontaneous Generation is the disproved theory that living organisms could arise from nonliving matter, a belief held before the advent of modern biology.
Q13: Testosterone promotes bone growth and closure of
Q30: The perineum in the male extends from
Q33: Tubal ligation can be used to improve
Q48: Angiotensin I is converted to angiotensin II
Q54: Which of the following sites of fluid
Q68: Organs can be classified as essential or
Q101: What substances or processes in the body
Q163: In light-skinned women, the areola and nipple
Q176: The endometrium of the uterus increases in
Q190: Which of the following is (are) classified