cell in seminiferous tubules that assists developing sperm and makes inhibin

plasma without the coagulation factors

small, flat bone shaped like a sesame seed; develops inside tendons

leaf without a petiole that is attached directly to the plant stem

midpoint or target point in homeostasis

stalk that supports the capsule in mosses

chitinous projection from the cuticle

any gene on a sex chromosome

phenotypic difference between a population's males and females

mixing of genetic material from two individuals to produce genetically unique offspring

describes a characteristic on a phylogenetic tree that all organisms on the tree share

describes a characteristic on a phylogenetic tree that only a certain clade of organisms share

(AGGAGG); initiates prokaryotic translation by interacting with rRNA molecules comprising the 30S ribosome

aboveground portion of the plant; consists of nonreproductive plant parts, such as leaves and stems, and reproductive parts, such as flowers and fruits

bone that has the same width and length, giving it a cube-like shape