The process of ____ is the flow of heat between atoms or molecules in direct contact
a. conduction
b. radiation
c. evaporation
d. convection
e. radiative cooling
ANSWER: a
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Cells that undergo amoeboid movement have an outer layer of thick, gelatinous cytoplasm called the ________ and an inner layer of more fluid cytoplasm called the ________.
A) ectoplasm; endoplasm B) lamellipodium; pseudopodium C) gelation layer; solation zone D) protoplasm; proplasm E) outer jelly; inner soup
What term describes the process of an unfertilized egg developing into a normal offspring?
a. parthenogenesis b. sexual reproduction c. budding d. fragmentation
Land plants, or embryophytes, are close relatives of __________, a kind of green algae. Fill in the blank(s) with the appropriate word(s)
Many neurotransmitter receptors are chemically activated ion channels known as:
a. ligand-gated channels. b. metabotropic channels. c. voltage-gated channels. d. G protein-coupled channels. . e. neurotransmitter-selective channels