and Answers6
signal from the gonads - ANSWERS -is required to develop into a male
oxygen - ANSWERS -there was no free _____ in ancient earths atmosophere
apoptosis - ANSWERS -is programmed cell death, not cell division
plant on water has stomates on top because thats only place where gas exchange can occur -
ANSWERS -where are stomates located on water plants and why
yes - ANSWERS -is testosterone lipid soluble
testosterone - ANSWERS -readily passes through the cell membrane and binds to a receptor in
the cytoplasm. the hormone and receptor then enter the nucleus and act as a transcription
factot
voltage-gated calcium channels in the membrane open - ANSWERS -what is a direct result of
depolarizing presynaptic membrane of an axon
oxygen gas - ANSWERS -in photosynthesis, atom goes from water to
pump - ANSWERS -whenever this term is used, active transport occurs
diffusion - ANSWERS -glucose crosses membranes by
, adrenal glands - ANSWERS -release cortisol
genes - ANSWERS -all cells in your body contain the same
the speed that it is degraded - ANSWERS -the amount of protein synthesized from mRNA
depends on
since they are triploid, they cannot generate gametes because homologous pairs cannot line up
- ANSWERS -why are bananas triploid, seedless, and sterile
acrosome reaction - ANSWERS -enables the sperm to penetrate the coat of the surrounding
ovum
cortical reaction - ANSWERS -ensures that a fertilization membrane forms and prevents another
sperm from penetrating the egg
true - ANSWERS -true or false, an antigen can have multiple epitopes
barr body - ANSWERS -an inactivated x chromosome and results in females with half of their
cells having one x inactivated and the other half of their cells having the other x inactivated
hydrophillic, hydrophobic - ANSWERS -the heads of phospholipids are ____, while the tails are
quorum sensing - ANSWERS -how bacterial cells communicate with each other
autocrine signaling - ANSWERS -in animal cells, signals diffuse from one part of a cell to another
part of the same cell